evaluation of biocontrol potentlal of endophytic …
TRANSCRIPT
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EVALUATION OF BIOCONTROL POTENTlAL OF ENDOPHYTIC
SPECIES OF PENICILLIUM AGAINST ROOT ROTTING FUNGI
AND ROOT KNOT NEMATODE
FAIZAH UROOJ
(MPhilPhD)
DEPARTEMENT OF BOTANY UNIVERSITY OF KARACHI
KARACHI PAKISTAN
2018
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EVALUATION OF BIOCONTROL POTENTIAL OF ENDOPHYTIC SPECIES OF
PENICILLIUM AGAINST ROOT ROTTING FUNGI AND ROOT KNOT
NEMATODE
FAIZAH UROOJ
DEPARTEMENT OF BOTANY UNIVERSITY OF KARACHI
KARACHI PAKISTAN
2018
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EVALUATION OF BIOCONTROL POTENTAIL OF ENDOPHYTIC SPECIES OF
PENICILLIUM AGAINST ROOT ROTTING FUNGI AND ROOT KNOT
NEMATODE
A Thesis Submitted for the Partial Fulfillment of the Degree of Doctor of Philosophy in
Botany
By
FAIZAH UROOJ
DEPARTEMENT OF BOTANY UNIVERSITY OF KARACHI
KARACHI PAKISTAN
2018
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DEDICATION
Dedicated to my most respected teachers and my beloved
Parents who believe in me and brought out best in me
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LIST OF CONTENTS Page No
1 INTRODUCTION
11 Endophytic fungi
12 Endophytic Penicillium
13 Role of endophytic Penicillium in plant growth
14 Role of endophytic Penicillium as resistance inducers in plant against
biotic and abiotic stresses
15 Soil-borne diseases
16 Soil-borne root rotting fungi and nematode
17 Biological control
2 MATERIALS AND METHODS
21 Collection of sample for the isolation of endophytic Penicillium spp
from different host
22 Isolation and identification of endophytic Penicillium
23 Isolation of the root infecting fungi from soil
231 Soil dilution technique for the isolation of Fusarium spp
232 Baiting technique for the isolation of Rhizoctonia solani
233 Wet sieving and dilution technique for the isolation of
Macrophomina phaseolina
24 In vitro dual culture plate assay for determining the antifungal activity
of Penicillium species
25 Preparation of root knot nematode inoculum
26 Hatching of nematodes
27 Preparation of culture filtrates
28 In vitro antifungal activity of culture filtrates of Penicillium species
29 In vitro antibacterial activity of culture fitrates of Penicillium species
210 In vitro nematicidal activity of culture filtrates of Penicillium species
211 Fractionation of culture filtrates
212 Extraction and fractionation of mycelium of endophytic Penicillium
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213 Spectroscopy of oily fractions eluted from mycelium
212 In vitro antimicrobial activity of fractions of culture filtrates
213 Population of antagonists Colony forming unit (cfu) per ml in
suspension
214 Growth parameter
2141 Physical parameter
2142 Infection percentage of root rot fungi on roots
215 Biochemical parameter
2151 Estimation of polyphenols
2152 Estimation of antioxidant activity
216 Fruit analysis
2161 pH
2162 Moisture content
2163 Tritable acidity (TA)
2164 Total soluble solid (TSS)
2165 Firmness
2166 Total solids
2167 Protein
2168 Carbohydrate
2169 Total polyphenol and antioxidant activity
217 Experimental design
218 Analysis of data
3 EXPERIMENTAL RESULTS
31 Isolation of endophytic Penicillium
32 In vitro fungicidal activity of endophytic Penicillium
33 In vitro fungicidal activity of cell free culture filtrates of endophytic
Penicillium
34 In vitro antibacterial activity of cell free culture filtrates of endophytic
Penicillium
35 In vitro nematicidal activity of cell free culture filtrates of endophytic
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Penicillium spp
36 In-vitro antimicrobial activity of fractions of culture filtrates
361 In-vitro antifungal activity of n-hexane soluble fractions of
culture filtrates
362 In-vitro antibacterial activity of n-hexane soluble fractions of
culture filtrates
363 In-vitro antifungal activity of chloroform soluble fractions of
culture filtrates
364 In-vitro antibacterial activity of chloroform soluble fractions of
culture filtrates
365 Compounds from n-hexane fraction of mycelium of Penicillium
rugulosum
37 Screen house experiments
371 Effect of endophytic Penicillium in soil amended with neem cake
in suppressing the root diseases and growth of sunflower (2016)
372 Effect of endophytic Penicillium in soil amended with neem cake
in suppressing the root diseases and growth of Sunflower (2017)
373 Effect of endophytic Penicillium in soil amended with neem cake
in suppressing the root diseases and growth of mung bean
374 Effect of Endophytic Penicillium and Cotton cake in suppressing
the root diseases and growth of Mung Bean
375 Effect of Endophytic Penicillium in suppressing the root diseases
and growth of Mung Bean
376 Effect of endophytic Penicillium in soil amended with neem cake
in suppressing the root diseases and growth of tomato
377 Effect of endophytic Penicillium in soil amended with cotton
cake in suppressing the root diseases and growth of tomato
378 Effect of endophytic Penicillium in soil amended with neem cake
in suppressing the root diseases and growth of chickpea
379 Effect of endophytic Penicillium insoil amended with mustard
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cake in suppressing the root diseases and growth of chickpea
3710 Effect of endophytic Penicillium and fungicides in suppressing
the root diseases and growth of sunflower
3711 Effect of endophytic Penicillium as soil drench on growth of
okra plants
3712 Effect of endophytic Penicillium as soil drench on growth of
tomato plants
38 Field Experiments
381 Effect of Pseudomonas monteilii and endophytic Penicillium as
soil drench on growth of okra plants in soil under field condition
382 Effect of Pseudomonas monteilii and endophytic Penicillium as
soil drench on growth of tomato plants in soil under field condition
4 DISCUSSION
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EVALUATION OF BIOCONTROL POTENTAIL OF ENDOPHYTIC SPECIES OF
PENICILLIUM AGAINST ROOT ROTTING FUNGI AND ROOT KNOT
NEMATODE
SUMMARY
Endophytes are either bacteria or fungi that reside in the tissues of the plant without causing
any apparent symptoms Some endophytic microorganism may promote growth of plants
help in uptake of nutrients and increase the ability to bear environmental stresses like
salinity drought and reduce biotic stresses During our study plants were collected from
different localities in Karachi Pakistan like Memon Goth Kathor Gadap Gharo Malir and
University of Karachi campus from which endophytic Penicillium were isolated Out of the
eighty samples of the plant 14 isolates of endophytic Penicillium isolated (root stem and
leaves) from wild plants (Achyranthus aspera Atriplex stocksii Euphorbia hirta
Chorchorus tridens) and cultivated plant (Solanum melongena Lycopersicon esculentum
Helianthus annuus Azadirachta indica Abelmoschus esculentus Momordica charantia)
Species of Penicillium identified as P asperum P lilacinum P purpurogenum P
nigricans P rugulosum P restrictum P duclauxi P citrinum P thomii P lividum and P
javanicum Identification of selected isolates of Penicillium was also confirmed by using
molecular biology tools
Antimicrobial activity of 14 endophytic isolates of different species of Penicillium
tested against common fungi (root rotting) viz F oxysporum Fusarium solani
Macrophomina phaseolina and Rhizoctonia solani by dual culture plate assay All EP
isolates showed significant result produced by the inhibition zone Nematicidal potential of
cell free culture filtrates of endophytic Penicillium also has shown significant results After
24 hour 50nematicidal potential showed by Ppurpurogenum (EP-3) while after 48 hours
all other isolates showed 100 mortality
Culture filterates of endophytic Penicillium caused growth suppression of bacteria
Salmonella typhimurium Bacillus subtilis Escherichia coli and Staphylococcus aureus As
concentration increased biocontrol potential of culture filterates of EP increased as well
These outcomes show that endophytic Penicillium could be fullfil the need of discovering of
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new antibiotics Culture filtrates of Penicillium also showed activity of fungicidal against
root rotting fungal pathogens Fsolani Rsolani Mphaseolina Rsolani and Foxysporum
by making inhibitory zone Cuture filterates of 60 microldisc showed more effective results than
20 or 40 microldisc Fractionation of cell free culture filtrates of viable isolates of our
Penicillium (EP) was made in solvents ie chloroform and n-hexane and showed strong
antibacterial and antifungal activity against above described pathogens These results
showed that secondry metabolites having compounds with strong antimicrobial potential
Secondary metabolites producing from endophytic Penicillium spp offer an stimulating
area of investigation for the encounter of novel antimicrobial compounds Hexane fraction
of mycelium of promising isolate EP-5 showed prescence of chemicals
In current research antagonistic potential of Penicillium was assessed against
phytopathogens on sunflower (Helianthus annuus) chickpea (Cicer arietinum) tomato
(Lycopersicon escolentum) mungbean (Vigna radiata) and okra (Abelmoschus esculentus)
in field and screen house experiments Inhibitory affects on Foxysporum Rsolani Fsolani
and Mphaseolina showed by many endophytic Penicillium which causes healthy plant
growth by improving plant length fresh shoot weights in both type of experiments (Screen
house and field) In some experiment polyphenol and antioxidant activity also showed
significant result which might be due to resistance produced by endophytes Endophytic
Penicillium treated plants produced fruits which is better in quality as compared to control
Endophytic Penicillium associated with healthy plants is a source of new bioactive
metabolites which could be exploited in plant protection and also in medicine
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1 INTRODUCTION
11 Endophytic fungi
Agricultural production passes through heavy loss due to different abiotic and
biotic stresses Most of the economic areas of the world is agriculture it is the most
eager need of the decade to discover and to create the best approach for sustainable
agriculture and development in crop growth (Rai et al 2014) Endophytes are
microorganisms that live inside the plant tissues for atleast in their life cycle that produce
no visuallized symptoms to the host (Bacon and White 2000) Inside the living host plant
tissues an expensive symptomless plant-microbe association build this phenomena called as
Endophytism(Kusari and Spitteler 2012b) During this complex relationship both partners
can be represented as extremely keen mutualism individual benefits depend on both of them
But their relation might be shift toward parasitism or saprophytism or concerning further
dedicated collaboration with time (Millet et al 2010 Zuccaro et al 2011) Recent studies
proposed endophyte-host plant relations are inconstant and showe a relationship between
mutualistic to antagonistic (Saikkonen et al 1998) Mutual relationship between
photosynthetic organisms and fungi earliest and universal (Berbee 2001 Alexopoulos et
al 1996) Evidence showed the presence of microorganism inside the plant tissues from
the the time of the emergence of higher plant on the earth (Redecker et al 2000) Since
the end of 19th century the inoculum of fungi in symptomless plant has recognized
Guerin (1898) Azevedo (1998) and Endophyte word was first suggested in 1866 de
Bary (1866) Endophytes initially defined in Darnel (Lolium temulentum) Freeman
(1904) they isolated it from wide range of plants from arctic to tropics and from
cultivated to wild ecosystems (Arnold 2007) and so far atleast one endophyte have been
found in all living plants species (Dutta et al 2014)
There have been numerous revisions on the relationship of endophyte and plant
particularly for grasses for instance tall fescue where it has been revealed that
endophytic fungus Neotyphodium coenophialum produce toxins that act as defensive
agent against their predators including insects and other grazing animals (Bultman and
Murphy 2000 Bacon et al 1977) it was found that this fungus could be beneficial for
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enhancing their host tolerance against stresses of abiotic and biotic (Schardl et al 2004
Saikkonen et al1998) In between other symbiotic associations fungal endophytes are
most commonly competitive (Staniek et al 2008) Fungal endophytes are a very varied
polyphyletic group of microorganism that lives inside host stem leaves and also in roots
Endophytes fungi are present above ground parts of plant which make different from
mycorrhizal fungi but also present in roots Fungi related to rhizosphere and roots of the
plants and had positive effect on the growth of plant and recognized as PGPF (Plant
growth promoting fungi) The significant of PGPF belongs the genus Gliocladium and
Trichoderma (Altomare et al 1999) have proficient of inhabiting the plant roots (Gera Hol
and Cook 2005) Endophytes are considered as avirulent opportunistic plant symbionts
and develop systemic resistance in plants just like rhizobacteria (Harman et al 2004)
Similarly endophytic Acremonium lolii and A coenophialum exposed antibiotic formation
against a variety of fungal plant pathogens in culture (White and Cole 1985) Fungus
Muscodor produced volatile compounds which is mostly used as a fumigants in soil (Ezra et
al 2004 Mercier and Manker 2005) In our previous report endophytic Penicillium spp
isolated from Salvadora species showed noteworthy antimicrobial activity (Korejo et al
2014)
Against numerous diseases many endophytes have capability to produce different
secondry metabolites that have therapeutic effect (Kharwar et al 2011 Kusari and
spiteller 2012b)
12 Endophytic Penicillium
In recent search for agricultural and pharmaceutical industries to develop a
effective products Natural products have been recognized as a therapuetic agents and play
a important role in nature So the search is carried out for the production of novel
bioactive metabolites from organisms that reside novel biotopes Endophytic fungi
populate such a biotope (Schulz et al 2002) The genus Penicillium is a group of more
than 200 species inhabiting fibre fruits food items soil marine and various species of
plants (Korejo et al 2014 Gong et al 2012) In same way species of Penicillium
deliberated as soil inhabitant and present as a toxicant on foods materials like fibers
starchy materials and fruits but species of Penicillium have been reported in the form of
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endophytes and play significant role in plants towards tolerance of stress(Khan and Lee
2013 Waller et al 2005) Fungal endophytes is used as a ironic source of secondry
metabolites for agricultural and medicinal practices (Schulz et al 2002) and lot of exposed
(Huang et al 2008)
Endophytic Penicillium species are the producers of diverse variety of secondary
metabolites (Zhang et al 2006 Schulz and Boyle 2005) ie various penicillins PR-
toxin polyketides xanthoviridicatins E and F chrysogine Chrysogenamide A
sorrentanone xanthocillins secalonic acids sorbicillactones A B sorbivinetone
Ochratoxin A (Hoog et al 2000 Singh et al 2003 Gerhard et al 2005 Vega et al
2006 Lin et al 2008) Penicillium species are known to have antifungal algicidal and
antibiotic activities (Meng et al 2011)
13 Role of endophytic Penicillium in growth of plant
Though current studies have revealed that growth enhancement of plant might be
the reason of the production growth promoting secondary metabolites (gibberellins auxin
cytokinin) from plants due to the prescene of endophytic fungi in the rhizospheric region
(Hamayun et al 2010a) Endophyte and plant relationship have the mojor influence on
plant growth promotion (Hassan et al 2013) though endophytic fungi may be responsible
to enhance the growth of the plant in order to secrete different chemical compounds like
ammonia indole acetic acid (IAA) and phytohormone and (Bal et al 2013) Usually
indole acetic acid acts as growth promoter plants by enhancing cell division and cell
elongation and is necessary for differentiation of tissues of plant (Taghavi et al 2009)
Soil microorganisms have a potential to synthesis a wide range of indole acetic acid that
play a role in plant development (Spaepen and Vanderleyden 2011) on other hand
endophytic fungi isolated from different parts of plants which indicated high amount of
indole acetic acid as compared to those isolates isolated from root-free soil (Spaepen et al
2007) The important role of indole acetic acid in growth of the plant in addition to the
potentail of fungal endophytes to secretes indole acetic acid has increased attention due to
their effectiveness on the concentration and supply of indole acetic acid in tissues of the
plants
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Endophytic fungi have been considered as producers of phytohormones which act
as strong plant growth enhancer These outcomes proposed that endophytic fungi obtained
in the study produced bioactive metabolites which play magnificent roles in stimulating
growth of the plants (Khan et al 2015) Endophytic Penicillium species produced wide
range of Indole acetic acid and gibberellins thus increases plant growth Gong et al
(2014) reported the effect of Penicillium oxalicum on enhancement of growth of maize
plants where they observed that P oxalicum stimulate the growth of maize plants due to its
phosphate-solubilizing ability
14 Role of endophytic Penicillium as resistance inducers in plant stress
Systemic induced resistance have played a vital role in the survival of the plants to
protect themselves in response to pathogenic organisms (Lim et al 2006) It seems in
almost all plants in response pathogenic attack treated with different organic amendments
and chemicals Phytohormones are present extensively in plant parts Plants secrete an
enormous range of chemicals that are toxic to their predators Phenolic compouds are
bioactive chemicals which are common elements of fruits and vegetables act as defensive
agent against insect and grazing animal (Stevenson et al 1993) In the plants growth
phytochemical compounds which have low molecular weight such as phenolic show a
dynamic part and its production and secretion may be due to both biotic and abiotic factors
(Joachim et al 2007) Phytochemicals protect plants towards abiotic and biotic stresses
and therefore are produced against pathogens attack which are exposed to high energy
radicals like the exposure of UV radiation (Briskin 2000) Due to the significant defensive
roles phenolic phytochemicals have pervasive in most of the plants and find specific place
in most of the groups of foods Cherif et al (1991) reported that phenolic compound play
role in resistance of the plants which are accomplished by the rapid accumulation of at the
infection site resulting in the prevention of the pathogen The function of phenolic
compounds in inhibition of the pathogenic infection which act as a barriers to a
pathogens and develop resistance broadly Imporatant groups of compounds termed as
scavengers of oxygen free radical or antioxidants used to resist the phytopathogen and
protection of the oxidative stress of environment (Conceica et al 2006 Wanas 2006)
Numerous studies demonstrate that soil-borne fungal diseases controlled by antioxidants
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(Dmitriev 2003) with increasing the phytophenolic compounds which increasing plant
growth development and defense against disease Antioxidants used successfully to
control most of the diseases in plant like Fusarium wilt of chickpea plants(Nighat- Sarwar
et al 2005) in tomato (Mohamed et al 2007) pod rot and peanut root (Elwakil 2003
Mahmoud et al 2006) in pepper damping- off (Rajkumar 2008) faba bean of chocolate
spot (Hassan et al 2006) and in the lupine leaf blight and root rot (Abdel-Monaim 2008)
Antioxidants eg salicylic benzoic acids ascorbic propylgalate in cumin in the form of
seed soaking or in other way such as soil drenching showed protection of diseases
occurred by f spcumini and Fusarium oxysporum (Mostasa 2006) The mechanism of
antioxidants was described in many host-pathogen relations such as a wide range of
enzymes like polyphenol oxidase ascorbate oxidase peroxidase and catalase identified
againsts pathogen infection (Clark et al 2002) or outcomes of most of the treatments with
different antioxidants activity ( El-Khallal 2007 and Abdel-Monaim 2008)
In organic agriculture biocontrol agents have different mode of actions including
production of metabolites against pathogens mycoparasitism competing their place and
their nutrients uptake growth promotion of plants and stimulation of defense mechanim in
most of the plants (Chet et al 1997 Howell 2003) This original biological approach
encourages natural resistances of the plants which leads towards systemic resistance
(Vallad and Goodman 2004) instead of apply effects on the most of the plant pathogens
(Walters and Fountaine 2009) Metabolites produced by biocontrol agents against
pathogenic fungus are main factor to discovering them Many researchers are discovering
bioactive chemicals synthesize by microorganism that control most of the diseases of the
plants (Dowling and OrsquoGara 1994) Induction of systemic resistance through biocontrol
agents changed the certain biochemicals of plant which can consider as resistance markers
(Schonbeck et al 1981) including enzymes accumulation like peroxidase (He et al
2002) It was shown that due to systemic acquired resistance in tomato activation of the
defensive mechanism occurs by the insects (Murugan and Dhandapani 2007) viruses
most of the nematodes bacteria and endophytic fungus (Anfoka and Buchenauer 1997
Laporte et al 2007 Molinari 2008 Vasyukova et al 2007Mandal et al 2009 Hase et
al 2008 Park et al 2008) In the same way Shafique et al (2016) studied that combine
use of the oil cake and P lilacinus and PGPR enhance growth of plant that also suppress
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the infection of root rotting fungi by improving antioxidant activity and polyphenols
contents of the okra plant
Endophytic microorganisms produce secondary metabolites which are crucially
important as parasiticide insect antifeedent and pathogen inhibitors (Meng et al 2011)
Other benefits for host plant include increased resistance to heavy metals salinity and heat
stress improved drought tolerence protected from grazing animals introduced systemic
resistance to pathogens and promoted growth (Redman et al 2001 Clay and Schardl
2002 Marquez et al 2007 Tejasawi et al 2007) Hence Endophytic fungi increase the
ecological survival of plants by increasing resistance towards abiotic and biotic stress
factors (Schulz and Boyle 2005 Gonthier et al 2006) Hossain et al (2014) reported the
part of Penicillium sp in developing systematic resistance to cucumber infection of leaf
caused by anthracnose phytopathogen Colletotricum orbiculare in the cucumber
Similarly Khan et al (2015) studied the effect of P janthenalum in producing tolerance
against aluminum stress in tomato plants Penicillium endophytes are also help plants to
tolerate stress of salinity by regulating plants hormones (Khan et al 2013 Khan et al
2015) Penicillium strains are safe to environment as they reduces the level of salinity and
increase growth of the plants (Leitao and Enguita 2016)
Furthermost fungal endophyte facilitates induction of systemic acquired resistance
in most of the plants (Bailey et al 2006 Nassimi and Taheri 2017) and play a vital role in
safety and control of infection of plants Endophytic fungi play a chief part in growth
promotion of plant higher production of seed and resist plants against several abiotic
biotic stresses and infections Most of them are produce compounds against pathogenic
microbes phytohormones and different bioactive agrochemicals Eco-friendly and
economically active agricultural products are developed by many potential endophytes
(Rai et al 2014) Penicillum chrysogenum produces hypocrellins B and C which have
strong antifungal activity (Meng et al 2011)
15 Soil-borne diseases
Diseases which are caused by organisms persists in soil and debris on soil surface
are known as soil borne diseases and the organisms which causes such diseases are soil-
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borne pathogens Soil-borne pathogenic fungi reside for several years in soil in the form of
various dormant structures viz chlamydospores melanized hyphae sclerotia and oospores
and are major cause of lowering yield and quality of plant products (Baysal-Gurel et al
2012 Koike et al 2003) Whereas nematodes survive in soil as free organisms cysts or
eggs (Koike et al 2003) Soil borne pathogens infect belowground along with foliar
tissues of plants The well-known diseases produced by soil-borne fungi are the rots which
effect underground tissues of plants and vascular wilts While some soil-borne pathogens
effect the above ground tissues of plants (Koike et al 2003) Soil-borne diseases are more
harmful under poor soil conditions ie inappropriate drainage system low range of
organic matter low level of fertility poor soil structure and high compaction level of the
soil (Abawi and Widmer 2000)
16 Soil-borne root rotting fungi and nematode
Among the plant disease causing organisms nematodes which parasitized plant
resulted loss upto 100 billion US$ to the agriculture world annualy and approximately 500
million US$ is wasted on control of nematode (Saifullah et al 2007) Whereas the
infection of root rot caused by Rhizoctonia solani Macrophomina phaseolina Fusarium
species Pythium species and Phytophthora species are most common in the crop plants
producing billions $ losses every year
Infections produced by soil borne pathogens includes damping off root rots and
wilts by Fusarium Phythium and Rhizoctonia Phytophthora verticillium and nematodes
species Fusarium oxysporum and its more than 70 species are known to cause root wilt
and root rot diseases in variety of plants species including tomato plants (Kistler 1997)
Species of Cephaliophora Bipolaris Cephalosporium Corynascus Curvularia
Exerohilum Botryodiplodia Fusarium Melanospora Nigrospora Rhizoctonia
MacrophominaSclerotium and Stemphylium are also potent plant pathogens in Pakistan
(Shahzad and Ghaffar 1995) Root knot nematodes are the members of genus Meloidogyne
(Sharon et al 2001 Taylor and Sasser 1978) Globally 26 of crop losses are resulted by
pathogens (Khan et al 2009) Nematodes alone cause 5 of worlds crop losses (Sasser
and Carter 1975) Soil-borne root infecting fungi and nematodes not only produce diseases
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in plants but also decrease the biomass of plants and severely decrease the yield of crops
and sometimes even death of plant may occur
Nematodes (Meloidogyne spp) parasitized inside specialized type of feeding cells
into the plant tissues directly and remained inside the plant tissueon the otherhand
parasitic type of fungi also penetrate into the tissues of host and absorbs the nutrients Soil
and rhizosphere microorganisms are difficult to control because of tissues around them So
these endo-parasitic nematode and fungi may be able to control by endophytic
microorganisms colonizing around plant root tissue because they occupies same space and
are come in contact with each other (Hallman et al 1997) Hallman and Sikora (1994
1996) demonstrated that endophytic Fusarium oxysporum isolated from tomato roots had
determental effect on Meloidogyne incognita Colonization of tomato roots by the
endophyte resulted in 60 reduction of Mincognita infestation
Charcoal rot disease produced by Macrophomina phaseolina which is soil
inhabiting fungus having diverse type of distribution and have hazardous to the
production of the crops in most of the arid areas over 500 plant species (Ijaz et al 2012)
17 Biological control
Biological control is the management of components of ecosystem in order to
protect plants against pathogens It ensures the preservation of environment by no use of
chemicals (Barea and Jaffries 1995) Most of the fungi used as a biocontrol agents and
have long been studied and various reports are available Such as Perveen et al (1994)
reported the effectiveness of Fusarium oxysporum in order to reduce the infection of the
Macrophomina phaseolina Fusarium solani and Rhizoctonia solani Trichoderma species
have been known for so long as biological control agent of soilborne pathogens and also
act as a symbionts of the plants (Harman and Shoresh 2007) Further they suggest that F
oxysporium is a potential biocontrol agent against these pathogens in tomato and okra
Later Siddiqui and Shaukat (2003) tested Pochonia chlamydospora against Fusarium sp
Rsolani and M phaseolina and found it effective against these pathogens Siddiqui et al
(2000) and Waqas et al (2012) investigated the effects of Penicillium and Phoma
glomerata species on the cucumber in drought and saline stress and reported that these
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endophytic fungal species increases biomass and growth of economically important crops
Major application in agriculture pharmaceutical and commercial utilization of these
endophytic fungi
The current research focused on the isolation and identification of the endophytic
Penicillium species which is associated with plants which are healthy plants and
evaluation of their antagonistic potential against root rotting fungi using sunflower
munbean tomato chickpean and okra as test crops The report also describes the extraction
and characterization of some new compounds from mycelium of Pregulosum
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2 MATERIALS AND METHODS
21 Collection of plants for isolation of the endophytic Penicillium spp
Survey of various agricultural fields of Kaarchi and its suburb like Karachi
University campus Memon Goth Kathor Gadap Gharo and Malir were carried out
Healthy wild and cultivated plants alongwith roots were selected collected and were
transported to laboratory and preserved at (4oC) untill Penicillium were isolatedround
about (24) hours
22 Isolation and identification of endophytic Penicillium
1 g of th sample of the plant either stem root or leaves was separately cleaned
sanitized in 1 bleech for (3) min then with (70) alcohol for (3) min and then washed
with the help of distilled H2o Each sample was chopped in sterilized grinder with 50mL
sterilized water and dilutions of each sample were made upto 1104 and further proceed as
described by Korejo et al (2014) and fungal growth fungi were identified with reference
to Barnett and Hunter (1998) Domsch et al (1980) Dugan (2006) Raper and Thom
(1949) and Visagie et al (2014)
221 Molecular strain typing of promising isolates
The selected endophytic Penicillium isolates P rugulosum (EPAAR5) P
decumbens (EPAIR6) P nigricans (EPSLR4) P asperum (EPHAL10) and P
purpurogenum (EPEHS7) initially identified by morphological characters were further
subjected to molecular identification and strain typing bythe PCR (polymerase chain
reaction) based on molecular techniques recently described (Habiba et al 2018)
Briefly five days old strains grown (1 mL) in broth of YPD at 26degC and cells were
harvested by centrifugation (Hanil Korea) for (14000 rpm) for (10 min) at room
temperature Genomic DNA extraction kit (Norgen biotek Canada) was used for fungi as
per vender instruction while quality and purity of the genomic DNA established in
nanodrop (Nano-Drop 200 Thermo Scientific USA) In case of molecular identification t
rDNA-ITS4 ITS1-58S regions amplified with the help of the primers ITS1 (5acute-
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TCCGTAGGTGAACCTG CGG-3acute) and ITS4 (5acute-TCCTCCGCTTATTGATATGC-3acute) as
initially described Karimi et al (2015) Reactions of the PCR were performed consisting of
genomic DNA (150 ng) primer set (16 μM each) Dream Taq Master Mix (2x Thermo
Scientific USA) and nuclease free water to a final volume of 20 μL Thermal cycling
carried out in a Master cycler (ProS Eppendorf Germany) with an initial denaturation step
(4 min at 94 ordmC) followed by 40 cycles of denaturation (45 s at 94 ordmC) annealing (45 s at 55
ordmC) and extension (1 min at 72 ordmC) and a final extension at 72 ordmC for 7 min
For genetic variation between the strains Random Amplified Polymorphic DNA
(RAPD) PCR was performed with specific oligonucleotide primer M13 (5acute-GAGGGTGG
CGGTTCT-3acute) as described by Zahid et al (2017) Briefly PCR were performed in a total
volume of 20 microL comprising of genomic DNA (25 microL) primer M13 (16 microM) 2x Dream
Taq PCR mix (10 microL) with additional 1 mM MgCl2 and 10 DMSO (Sigma-Aldrich
USA) Thermal cycling was carried out in a Master cycler (ProS Eppendorf Germany) with
an initial denaturation step (5 min at 95 ordmC) followed by 35 cycles of denaturation (30 s at
90 ordmC) annealing (1min at 40 ordmC) and extension (8 min at 65 ordmC) and a final extension at 68
ordmC for 16 min
PCR products (~10 microL) were subjected to 2 agarose gel electrophoresis
containing ethidium bromide (05 μgmL) 1kb DNA ladder (Fermentas USA) was used to
calibrate the sizes
23 Isolation of the soil borne fungi
231 Soil dilution technique for the iolation of Fusarium species
Fusarium were isolated by soil dilution technique (Nash and Snyder 1962) as
described by (Urooj et al 2018) and identified by Nelson et al (1983) and Booth (1971)
12
232 Baiting technique for the isolation of (Rhizoctonia solani)
Rhizoctonia solani were isolated through baiting technique and identified
(Wilhelm 1955) as described in previous report (Urooj et al 2018)
233 Dilution and wet sieving technique for the isolation of (Macrophomina
phaseolina)
Macrophomina phaseolina were isolated by using techniques (wet sieving and
dilution plating)Sheikh and Ghaffar (1975)
24 In vitro determination of antifungal activity of Penicillium species by dual
culture plate assay
For determination of fungicidal potential of Penicillium spp four common fungi
(root rotting) viz Rhizoctonia solani F oxysporum Macrophomina phaseolina and
Fusarium solani were chosen A disc of the 5 mm of the test and fungi (root rotting) was
inoculated on the opposite side of the Petri dish of 90 mm which was poured with CDA
(Czapeks Dox Agar) pH (72) and incubated (28degC) for (5 days) Inhibition zone was
measured in mm (Korejo et al 2014) Experiment were repeated thrice and replicated four
times
25 Inoculation of the nematode (root knot)
Pure culture of the root knot nematode (Meloidogyne javanica) obtained through
egg masses attached on infected brinjal root Roots were washed under tap water was used
to washed te roots thoroughly stereomicroscope was used to collect egg masses and
transferd in cavity blocks having distilled water and left for the hatching (at room
temperature) after 48 hours juveniles were hatched and proceed for the experiment
27 Preparation of culture filtrates
Culture filtrates of test Penicillium spp were obtained by growing 5 mm disc of
culture in 100 ml of CDB (Czapekrsquos Dox broth) in (250 ml) flask After (15 days) of the
13
incubation (25-30degC) culture filtrate were collected by filteration and 1-2 drop of
chloroform were added to prevent further growth of any contaminant
28 Determination of antifungal activity of culture filtrates of Penicillium species
in vitro
Culture filtrate were loaded at concentration of 20 40 and 60 microl on thick sterile
filter paper discs and dried and placed in clock wise manner according to concentration in
the plates containing Czapekrsquos Dox Agar Disc of test fungus were inoculated in centre of
plates CDB (Czapekrsquos Dox broth) used as a control and 20 microgdisc carbendazim used as a
positive controlAt 30degC Petri dishes left for (5-7 days) and between test fungus and disc
distance was measured as a inhibition zone Qureshi (2003)
29 In vitro antibacterial activity of culture fitrates of Penicillium species
To examine the activity of secondary metabolites of Penicillium spp against
bacteria lawn of test bacterium was prepared in 90mm petri dishes containing Nutrient
Agar medium Culture filtrate of each Penicillium sp at 20 40 and 60 microldisc were loaded
on thick sterile filter paper discs and dried and placed in clock wise manner according to
concentration in the plates having bacterial lawn with nutrient Agar A disc of 5 mm of test
fungus was inoculated in the centre of the plate Discs loaded with sterile broth of
Czapekrsquos Dox served as control whereas penicillin 20microgdisc used as positive control for
the gram positive bacteria and streptomycin 20microgdisc used as a positive control for gram
negative bacteria Petri dishes were kept at 30degC for (2-3 days) The inhibition zone were
measured in mm
14
210 In vitro nematicidal activity of culture filtrate of Penicillium species
To examine the nematicidal potential of the culture filtrate 1 ml of culture filtrate
was filled in a cavity blocks containing 15 picked second stage nematode (Meloidogyne
javanica) larvae As a +ve control distilled H2O water was used 2ml The cavity blocks
were kept at room temperature 25-30C and nematode mortality was recorded after 24-48
hours under stereomicroscope
211 Fractionation of culture filtrates
Culture filtrate was extracted three times with n-hexane and chloroform by shaking
vigorously in a separating funnel The extraction volume of each solvent is approximately
half to that of the filtrate Each solvent layer was allowed to separate out and run off from
the aqueous layer The n-hexane and chloroform fractions were collected pooled
concentrated on a rotary evaporator (Eyela-NE) separately and weighed
28 Determination of antifungal activity of frcations of culture filtrates of
Penicillium species in vitro
Each fraction was re-dissolved in their respective solavent and loaded at
concentration of 20 40 and 60 microl on thick sterile filter paper discs and dried and placed in
clock wise manner according to concentration in the plates containing Czapekrsquos Dox Agar
(CDA) Disc of test fungus were inoculated in centre of plates Czapekrsquos Dox broth (CDB)
used as control and carbendazim at 20 microgdisc used as positive control Petri dishes were
left for 5-7 days at 30degC and distance between test fungus and disc was measured as
inhibition zone (Qureshi 2003)
29 In vitro antibacterial activity of the frcations of culture fitrates of the
Penicillium species
In order to examine the prescence of secondary metabolites of the species of
Penicillium against bacteria lawn of test bacterium was prepared in 90mm petri dishes
containing Nutrient Agar medium Filtrates of cell free culture of the species of Penicillium
species at 20 40 and 60 microldisc were loaded on thick sterile filter paper discs and dried
15
and placed in clock wise manner according to concentration in the plates having bacterial
lawn with nutrient Agar 5 mm disc of test fungus was inoculated in centre of plate Discs
loaded with sterile broth of Czapekrsquos Dox (CDB) used as control whereas penicillin
20microgdisc used as positive control for gram positive bacteria and streptomycin 20microgdisc
served as positive control for gram negative bacteria Petri dishes were kept at (30degC) for
(2-3) days The inhibition zone were measured in mm
212 Extraction and compounds from mycelium of endophytic Penicillium
10 gm mycelium was thoroughly washed with n-hexane solvent to remove excess
water and extraction with (200 mL) n-hexane by Soxhlet extractor for (8 h) The fractions
were evaporated at 40degC through a rotary vacuum evaporator
213 Spectroscopy of oily fractions extrcated from mycelium of Penicillium
regulosum
The oily mass extracted from mycelium and culture filtrate of endophytic fungi
were subjected to GC-MS in order to isolate volatile compound GCMS (Gas
chromatographymass spectrometer) analyzed on High Resolution Mass spectrometer Jeol
HX-110 (Japan) eqquiped with data system DA-5500 with gas chromatograph Hewlett
packard (5890)
213 Determination of colony forming unit (cfu) per ml of suspension
Colony forming unit (cfu) per ml of Penicillium suspension were determined by
dilution plate method Fungi grown on the petri plates added then multiplied by the factor
of the dilutions donated by (cfuml) of the fungi
Cfu ml = Number of colonies of bacteria on plate X Dilution factor
16
214 Growth parameters
2141 Physical growth parameter
On harvesting the experiment physical parameters of the plants which was height
weight of the shoot length and weight of the roots number and weight of fruits were
measured
2142 Percent Infection of fungi (root rot) on roots
To determe of the infection of the root rot fungi method reported by Rahman et al
(2016) was used
215 Biochemical parameters
2151 Estimation of polyphenols
Dried sample of the leaves crushed in ethanol of 96 vv At 3000rpm for 20min
mixture of the sample centrifuged Supernatants used to anlayse antioxidant Salicylic and
polyphenol activity
Folin-Ciocalteu phenol reagent used for total poly phenol content described
(Chandini et al 2008)
2152 Estimation of antioxidant activity
Free radical scavenging assay was determined by DPPH (2 2-Di-phenyl-1-
picrylhydrazyl) used for Antioxidant activity (Zubia et al 2007 Duan et al 2006)
2153 Quantification of salicylic acid (SA)
Salicylic quantification was done by using 01 percent prepared Fecl3 (Ferric Chloride)
described by Warrier et al (2013)
216 analysis of Fruits
17
2161 pH (Power of Hydrogen)
To determine the pH fresh sample of five gram fruit in (10ml) of distilled water
were centrifuged for (20 min) in (3000) rpm Supernatent collected to analyse biochemical
activitySample pH measured as described (AOAC 1990)
2162 Moisture content
To analyse moisture content Fresh fruit determine by the method AOAC (1990)
Fruit moisture content can be calculated as follows
Moisture content= Weight of fresh sample ndash Weight of dried sampletimes 100
-------------------------------------------------------
Weight of fresh sample
2163 Tritable acidity (TA)
Sample of 5-ml titrated against (01 N) NOAH solutions by adding 2-3 drops of
phenolphthalein indicator drops for the persistent of the pink coloration The tritable
acidity was calculated by AOAC (1900)
2164 Total soluble solid
A juice drop transferred on prism surface of the hand refractometer (model
ATAGO) and the brix value was recorded by adjusting the eyepiece which showed TSS in
sucrose
2165 Firmness
Tomato fruit firmness recorded by using a TA-XT (Texture Analyser) with 3mm
diameter of the flat aluminium probe
2166 Total solids
It was determined as described by (James 1995) by subtracting percentage
moisture from 100
18
Total solids () = 100 ndash moisture
2167 Protein
Content of protein measured using (Lowry et al 1951) method
2168 Carbohydrate
Method of Phenol-sulphuric acid used to determine the prescence of carbohydrate
of the fruit sample (Dubios et al 1956)
2169 Antioxidant activity and Total polyphenol
To estimate the polyphenol by Folin-Ciocalteu phenol reagent method used
described as (Chandini et al 2008) To determine the antioxidant activity of fruits
samples used by method described by (Zubia et al 2007 Duan et al 2006)
217 Experimental design
Complete randomized design or randomized complete block design used as a
ststistical tool in screen house and field conditions experiments
218 Analysis of data
(ANOVA) Analysis of variance included least significant difference (LSD) were
analyse according to experimental design described as Gomez and Gomez (1984) were
used
19
3 EXPERIMENTAL RESULTS
31 Isolation of endophytic Penicillium
Out of 80 plant samples from both wild and cultivated species (Roots stems and
leaves) 14 samples showed presence of genus Penicillium Endophytic Penicillium spp
isolated (root stem and leaves) from wild plants (Achyranthus aspera Atriplex stocksii
Euphorbia hirta Chorchorus tridens) and cultivated plant (Solanum melongena
Lycopersicon esculentum Helianthus annuus Azadirachta indica Abelmoschus
esculentus Momordica charantia) Fourteen isolates of Penicillium were isolated and
identified on the bases of their morphological feature Species of Penicillium were
identified as P lividum P lilacinum P purpurogenum P nigricans P rugulosum P
restrictum P duclauxi P asperum P thomii P citrinum and P javanicum (Table 1)
32 Molecular Identification of endophytic Penicillium
The selected endophytic Penicillium isolates P rugulosum (EPAAR5) P
decumbens (EPAIR6) P nigricans (EPSLR4) P asperum (EPHAL10) and P
purpurogenum (EPEHS7) initially identified by morphological characters were further
subjected to molecular identification and strain typing (Habiba et al 2018) PCR
amplification of DNA from endophytic Penicillium strains using a universal genus specific
primer set (ie ITS1 and ITS4) which amplified the product size ranging between 500 to 600
bp for different fungal species while 600bp specific for Penicillium spp All products thus
showing the availability and consistency in size of typical 600bp for Penicillium isolates
(Figure 1A) RAPD-PCR was also performed to established the genotypic variations and
similarities with in the genus Penicillium (Figure 1B) RAPD-PCR is universally used and
based on polymorphism of DNA at the taxonomic level clearly illustrates the discrimination
power at the specie level Moreover the dendrogram of RAPD-PCR analysis revealed the
genetic relatedness between the isolates (Figure 1C) Dendogram represents two distinct
clades in first isolate P rugulosum EPAAR5 and P purpurogenum EPEHS7 were found to
share the same clade (a) whereas P asperum EPHAL10 P nigricans EPSLR4 P
decumbens EPAIR6 and positive control exist together in the second clade (b)
20
21
22
32 In dual culture plate assay antifungal activity of endophytic Penicillium
Fungicidal potential of endophytic species of Penicillium isolates were
examined usually phytopathogens such as Rhizoctonia solani Macrophomina
phaseolina F oxysporum and Fusarium solani using dual culture plate assay The 5mm
diam agar disc of endophytic Penicillium was placed on a 90mm Petri dish poured
with (CDA) Czapekrsquos Dox Agar pH (72) On opposite side of this disc from root
rotting fungi grown in plate a 5mm disc of was cut placed and leave at 28oC and
inhibition zone measured averaged and expressed in mm
All endophytic Penicillium showed best result against common root rot fungi
Maximum inhibition zone (25mm) against Fsolani produced by Ppurpurogenum
then Pdecumbens and P nigricans inhibition zone produced against Rsolani
(Table 1) fig1-7
23
Table 1 Suppression of Macrophomina phaseolina Rhizoctonia solani Fusarium solani and F oxysporum in dual culture plate assay
by the endophytic Penicillium species isolated from different wild and cultivated plants
Fungus Penicillium spp Host name Plant
part MPhaseolina Rsolani Fsolani Foxysporum
Zone of inhibition(mm)
EPSMR1 P citrinum Solanum melongena L
(Solanaceae)
Root 4 4 20 20
EPSMS2 P lilacinum Solanum melongena L (Solanaceae) Stem 6 8 11 14
EPSML3 Ppurpurogenum Solanum melongena L (Solanaceae) leaf 6 5 25 17
EPSLR4 P nigricans Lycopersicon esculentum L
(Solanaceae)
root 5 25 16 21
EPAAR5 P rugulosum Achyranthus aspera L
(Amaranthaceae)
root 3 12 11 20
EPAIR6 P decumbens Azadirachta indica AJuss
(Meliaceae)
root 5 25 13 20
EPEHS7 P purpurogenum Euhorbia hirta L (Euphorbiaceae) stem 6 5 25 17
EPCTS8 P restrictum Chorchorus tridens L (Malvaceae) stem 2 2 5 5
EPASS9 Pduclauxi Atriplex stocksii
(Amaranthaceae)
stem 18 13 11 14
EPHAL10 Pasperum Helianthus annuus L (Asteraceae) leaf 2 2 5 5
EPAER11 P thomii Abelmoschus esculentus L
(Malvaceae)
root 5 8 5 6
EPMCL12 Plividum Momordica charantia L
(Cucurbitaceae)
leaf 18 13 11 14
EPSLR13 Pjavanicum Lycopersicon esculentum L
(Solanaceae)
root 5 24 17 22
EPAER14 Ppurpurogenum Abelmoschus esculentus L
(Malvaceae)
root 5 3 21 12
24
Fig1 Growth inhibition of Foxyspoum by the endophytic Penicillium in dual culture plate
assay
Fig2 Growth inhibition of Fsolani by the endophytic Penicillium in dual culture plate
assay
25
Fig3 Growth inhibition of Fsolani by the endophytic Penicillium in dual culture plate
assay
Fig4 Growth inhibition of F solani by the endophytic Penicillium
in dual culture plate assay
26
Fig5 Growth inhibition of Foxyspoum by the endophytic Penicillium in dual culture plate
assay
Fig6 Growth inhibition of Fsolani by the endophytic Penicillium in dual culture plate
assay
27
Fig7 Growth inhibition of Foxyspoum by the endophytic Penicillium in dual culture plate
assay
33 In vitro fungicidal potential of culture filtrates of endophytic Penicillium
Penicillium isolates were grown in Czapekrsquos Dox broth pH 72 at 25-30oC for 15
days and through filteration culture filtrate was collected in autoclaved flasks The filtrate of
culture was dropped by chloroform under sterilize conndition to kill fungal propagoles if
any To determine the antifungal activity Disc Diffusion Method was used in which cell free
culture filterates at 20microldisc 40microldisc 60microldisc and control were placed at equal distance
at diferent positions in the petri plates poured with Czapeks Dox Agar pH 72 Water
impregnated disc were used as negative control and carbendazim 20microgdisc were used as
positive control against four root rot fungi viz Rhizoctonia solani Macrophomina
phaseolina F oxysporum and Fusarium solani 5mm disc of each root rot pathogen
Fusarium solani Macrophomina phaseolina F oxysporum and Rhizoctonia solani was
inoculated in the centre of the petri plates were kept 28oC for 5 days Distance between
paper disc and fungal colonies was measured as inhibition zone which were averaged and
showed in mmThe experiment was performed twice and replicated four times
28
Culture filtrate of Penicillium initiated growth suppression of (root rotting) fungi viz R
solani M phaseolina F oxysporum and F solani in vitro M phaseolina was inhibited by
culture filtrates of Plilacinum Pnigricans and Pthomii at 60microldisc by producing
maximum zone of 20mm Plilacinum Pnigricans and Pthomii also showed zone of
inhibition of 15mm at 20microldisc and 17mm at 40microldisc R solani was inhibited by
producing zone of 14mm at 60microldisc from culture filtrates of Plilacinum Ppurpurogenum
(EPSML3) Ppurpurogenum (EPEHS7) Pasperum and Ppurpurogenum (EPAER14)
Pnigricans and Pthomii produced zone of inhibition of 17mm at 60microldisc against F
solani P decumbens P citrinum Ppurpurogenum (EPSML3) EPSLR4 Pregulosum
Ppurpurogenum (EPEHS7) Pduclauxi Pasperum Pthomii Pjavanicum and
Ppurpurogenum (EPAER14) produced zone of inhibition ranging from 12-14mm at
60microldisc(Table 2)
29
Table 2 In vitro growth inhibition of Macrophomina phaseolina Rhizoctonia solani Fusarium solani and Foxysporum by culture
filtrates of endophytic Penicillium species isolated from wild and cultivated plant species
Fungus No Penicillium spp MPhaseolina Rsolani Fsolani Foxysporum
Zone of inhibition(mm)
Control 0 0 0 0
+ve Control (Carbendazim 20microgdisc) 8 5 9 7
EPSMR1 P citrinum
20microldisc 8 8 8 10
40microldisc 8 10 10 10
60microldisc 16 12 10 12
EPSMS2 Plilacinum
20microldisc 15 10 10 5
40microldisc 17 10 12 5
60microldisc 20 14 12 8
EPSML3 Ppurpurogenum
20microldisc 12 8 10 8
40microldisc 14 8 12 8
60microldisc 14 14 14 12
EPSLR4 P nigricans
20microldisc 15 0 11 8
40microldisc 17 4 15 9
30
Fungus No Penicillium spp MPhaseolina Rsolani Fsolani Foxysporum
Zone of inhibition(mm)
60microldisc 20 8 17 12
EPAAR5 P rugulosum
20microldisc 11 6 8 9
40microldisc 16 10 8 12
60microldisc 16 12 12 12
EPAIR6 P decumbens
20microldisc 12 5 14 12
40microldisc 14 8 14 14
60microldisc 14 8 14 14
EPEHS7 Ppurpurogenum
20microldisc 12 8 10 8
40microldisc 14 8 12 8
60microldisc 14 14 14 12
EPCTS8 Prestrictum
20microldisc 8 0 8 8
40microldisc 10 5 8 9
60microldisc 11 7 12 11
EPASS9 P duclauxi
20microldisc 12 0 12 10
31
Fungus No Penicillium spp MPhaseolina Rsolani Fsolani Foxysporum
Zone of inhibition(mm)
40microldisc 16 6 14 10
60microldisc 16 8 14 12
EPHAL10 Pasperum
20microldisc 10 8 12 10
40microldisc 12 10 16 12
60microldisc 12 14 16 12
EPAER11 Pthomii
20microldisc 15 0 11 8
40microldisc 17 4 15 9
60microldisc 20 8 17 12
EPMCL12 P lividum
20microldisc 12 8 10 9
40microldisc 12 8 12 11
60microldisc 14 12 13 11
EPSLR13 P javanicum
20microldisc 10 0 8 8
40microldisc 12 5 9 8
60microldisc 14 8 10 12
EPAER14 P purpurogenum
32
Fungus No Penicillium spp MPhaseolina Rsolani Fsolani Foxysporum
Zone of inhibition(mm)
20microldisc 12 8 10 8
40microldisc 14 8 12 8
60microldisc 14 14 14 12
33
34 In vitro antibacterial potentail of culture filtrates of endophytic Penicillium
Bacterial lawn of test bacteria was prepared in 90mm Petri dished conating Nutrient
agar and loaded disc of culture filterates at 20microldisc 40microldisc 60microldisc and control were
placed at equal distance in clockwise pattern in according to concentration Water
impregnated disc were used as negative control and Streptomycin 10microgdisc applied as +ve
control for gram +ve bacteria viz Salmonella typhimurium and Escherichia coli and
Penicillin applied as +ve control for gram positive bacteria viz Bacillus subtilus and
Staphlococcus aureus Zones of inhibition produced around the discs after 2-3 days growth
were recorded averaged and showed in millimeter (mm) The performance was conducted
twice and replicated four times
Fourteen isolates of Penicillium species were tested in vitro against four bacterial
species Bacillus subtilus and Staphlococcus aureus (Gram positive) and Salmonella
typhimurium and Escherichia coli (Gram negative)Cell free filtrate of culture of the
Penicillium resulted growth suppression of four bacteria Bsubtilus Saureus S
typhimurium and E coli in vitro Penicillium rugulosum was found to inhibit by Bsubtilus
by producing maximum zone of 9mm at 20microldisc 13mm at 40microldisc and 21mm at
60microldisc P rugulosum was found to inhibit by Saureus by producing maximum zone of
24mm at 20microldisc 30mm at 40microldisc and 30mm at 60microldisc P rugulosum was found to
inhibit S typhimurium by producing maximum zone of 12mm at 20microldisc 20mm at
40microldisc and 20mm at 60microldisc P rugulosum was found to inhibit E coli by producing
maximum zone of 18mm at 20microldisc 22mm at 40microldisc and 22mm at 60microldisc Bsubtilus
was inhibited by P lividum and Plilacinum by producing 16mm and 10mm zone at 20 40
and 60microldisc respectively Saureus was inhibited by P lividum and Plilacinum by
producing zone of inhibition of 18mm at 40 and 60microldisc and 20mm at 60microldisc
respectively E coli was found to inhibit by P decumbens by producing zone of 18mm at all
concentration (Table 3 and Fig 8)
34
Table3 In vitro growth suppression of Bsubtilus Saureus S typhimurium and E coli by culture filtrates of endophytic Penicillium
species
Fungus No Penicillium sp Bsubtilus Saureus S typhimurium E coli
Zone of inhibition mm
Control 0 0 0 0
Streptomycin 20 microgdisc 15 15 15 15
EPSMR1 P citrinum
20microldisc 6 4 4 4
40 microldisc 6 8 8 6
60 microldisc 6 8 8 6
EPSMS2 Plilacinum
20microldisc 10 10 14 8
40 microldisc 10 10 16 8
60 microldisc 10 12 20 8
EPSML3 Ppurpurogenum
20microldisc 4 6 0 0
40 microldisc 6 6 0 4
60 microldisc 8 8 10 4
EPSLR4 P nigricans
20microldisc 0 0 0 0
35
Fungus No Penicillium sp Bsubtilus Saureus S typhimurium E coli
Zone of inhibition mm
40 microldisc 4 4 2 4
60 microldisc 4 8 4 4
EPAAR5 P rugulosum
20microldisc 9 24 12 18
40 microldisc 13 30 20 22
60 microldisc 21 30 20 22
EPAIR6 P decumbens
20microldisc 6 4 10 18
40 microldisc 6 6 12 18
60 microldisc 6 8 14 18
EPEHS7 Ppurpurogenum
20microldisc 0 0 0 0
40 microldisc 8 6 0 0
60 microldisc 10 8 4 4
EPCTS8 P restrictum
20microldisc 2 4 4 4
40 microldisc 8 6 4 8
60 microldisc 8 8 6 12
EPASS9 P duclauxi
36
Fungus No Penicillium sp Bsubtilus Saureus S typhimurium E coli
Zone of inhibition mm
20microldisc 0 4 0 12
40 microldisc 0 4 0 12
60 microldisc 0 6 0 16
EPHAL10 Pasperum
20microldisc 0 8 4 2
40 microldisc 4 10 4 2
60 microldisc 4 10 6 4
EPAER11 Pthomii
20microldisc 0 0 0 4
40 microldisc 0 0 0 8
60 microldisc 0 0 0 8
EPMCL12 P lividum
20microldisc 16 16 8 4
40 microldisc 16 18 12 6
60 microldisc 16 18 12 6
EPSLR13 P javanicum
20microldisc 0 0 0 14
40 microldisc 0 0 0 16
60 microldisc 0 8 0 16
37
Fungus No Penicillium sp Bsubtilus Saureus S typhimurium E coli
Zone of inhibition mm
EPAER14 P purpurogenum
20microldisc 0 0 0 0
40 microldisc 8 6 0 0
60 microldisc 10 8 4 4
38
Fig 8 Growth inhibition of Saureus by the culture filterate of endophytic Penicillium in
disc diffusion method
A=Control B=+ve control C=20microldisc D=40microldisc E=60microldisc
35 In vitro nematicidal potentail of culture filtrates of endophytic Penicillium
spp
Penicillium isolates were grown in CDB (Czapekrsquos Dox broth) pH (72) at (25-
30oC) for 15 days and filtered and culture filtrate was collected in sterile flasks for use
Suspension of 10 juveniles per ml and culture filtrate (1 ml) of Penicillium isolates
shifted in cavity blocks and placed at 26 plusmn5oC These were replicated three times and
mortality rate of juvenile was noticed subsequently 24 and 48 hours
Culture filtrates of endophytic Penicillium exhibited nematicidal effects juveniles
mortality of Meloidogyne javanica occurred at different percentages Out of 14 isolates
tested Ppurpurogenum (EPSML3) initiated 100 killing of juveniles of M javanica in
24 h While 10 isolates initiated 50 or more juveniles mortality in 48 hours (Table 4)
A
B
C
E D
39
Table4 Effect of cell free culture filtrate of endophytic Penicillium spp on juveniles mortality of Meloidogyne javanica after 24 and
48 hours
Treatments Code Juveniles Mortality
24Hours 48Hours
Control(CDA Broth) hellip 0 0
P decumbens EPAIR6 50 76
Pnigricans EPSLR4 10 33
Pregulosum EPAAR5 46 63
P citrinum EPSMR1 36 73
Plilacinum EPSMS2 36 83
Ppurpurogenum EPSML3 100 100
Pduclauxi EPASS9 10 76
Plividum EPMCL12 16 53
Ppurpurogenum EPEHS7 43 76
Prestrictum EPCTS8 76 83
Pthomii EPAER11 43 43
Ppurpurogenum EPAER14 43 76
Pjavanicum EPSLR13 10 33
Pasperum EPHAL10 30 70
40
41
36 In-vitro antimicrobial potentail of solvent fractions of culture filtrtaes of
endophytic Penicillium
In our present study filtrates of culture of each fungus extracted thrice with n-
hexane and then chloroform by shaking vigorously in a separating funnel The extraction
volume of each solvent is approximately half to that of filtrate The n-hexane and
chloroform fractions were collected pooled and finally crude extracts on a rotary vacum
evaporator (Eyela-NE) separately and weighed The dilutions of 15mgml of n-hexane and
chloroform were dissolved in their respective solvents and weighed down on senitized
discs at 20 40 and 60microldisc and dried These are used for antimicrobial test by Disc
Diffusion Method as described for cell free culture filtarates section (Hadacek and Greger
2000) Solvent of respective fractions were served as control streptomycin at 20microgdisc
was used as positive control in determining antibacterial activity against Salmonella
typhimurium Escherichia coli Bacillus subtilus Staphlococcus aureus and Pseudomonas
auroginosa Whereas in antifungal activity carbendazim at 20microgdisc used as positive
control against root rotting fungi Mphaseolina Foxysporum Fsolani and Rsolani
There were four replicates of each treatment
361 In-vitro fungicidal potentail of n-hexane fractions
P rugulosum and Ppurpurogenum (EPEHS7) produced inhibition zones of 20mm
against Mphaseolina whereas P decumbens produced maximum inhibition zones of
25mm against Foxysporum and Fsolani was also inhibited P rugulosum
Ppurpurogenum (EPEHS7) and P nigricans Highest zone of inhibition of 25mm at
60microldisc were produced by P rugulosum against Rsolani (Table 5)
42
Table5 In vitro growth inhibition of M Phaseolina R Solani F solani and F oxysporum by n-Hexane fraction of endophytic
Penicillium species
Fungus No Penicillium sp M phaseolina R solani F solani F oxysporum
Zone of inhibition mm
Control 0 0 0 0
Carbendazim 20 microgdisc 30 30 30 30
EPSLR4 P nigricans
20microldisc 0 18 8 12
40 microldisc 0 18 12 15
60 microldisc 0 18 12 15
EPAAR5 P rugulosum
20microldisc 20 22 20 15
40 microldisc 20 25 20 15
60 microldisc 20 25 20 15
EPAIR6 P decumbens
20microldisc 0 0 0 25
40 microldisc 0 0 0 25
60 microldisc 0 0 0 25
EPEHS7 Ppurpurogenum
20microldisc 20 20 20 0
43
40 microldisc 20 20 20 0
60 microldisc 20 `20 20 0
EPHAL10 Pasperum
20microldisc 0 0 0 0
40 microldisc 0 0 0 0
60 microldisc 0 0 0 0
44
362 In-vitro antibacterial potentail of n-hexane fractions of culture filtrates of
endophytic Penicillium
Pasperum and P rugulosum inhibited Bacillus subtilus by producing inhibition
zones ranging from 12-14mm respectively P rugulosum suppressed the growth of
Staphlococcus aureus by producing inhibition zone 24mm at 60microldisc while P
rugulosum also formed inhibition zones measuring 18mm against Escherichia coli whereas
the inhibition zones of 20mm against Salmonella typhimurium were produced by P
rugulosum Similarly P rugulosum inhibited Pseudomonas auroginosa with zones of
25mm (Table 6 and Fig9-12)
363 In-vitro fungicidal potentail of chloroform fractions of culture filtrates of
endophytic Penicillium
P rugulosum produced inhibition zones of 20mm 25mm 20mm and 15mm at
60microldisc against Fsolani Rsolani Mphaseolina Rsolani and Foxysporum (Table 7)
45
Table6 In vitro growth inhibition of Bsubtilus Saureus S typhimurium E coli and Pauroginosa by n-hexane fraction of
endophytic Penicillium species
Penicillium sp Bsubtilus Saureus S typhimurium E coli Pauroginosa
Zone of inhibition mm
Control 0 0 0 0 0
Streptomycin 20 microgdisc 15 15 15 15 15
EPSLR4 P nigricans
20microldisc 6 10 8 8 8
40 microldisc 9 10 8 8 9
60 microldisc 11 11 9 12 10
EPAAR5 P rugulosum
20microldisc 0 18 18 11 18
40 microldisc 0 21 18 11 22
60 microldisc 0 24 20 18 22
EPAIR6 P decumbens
20microldisc 0 8 16 0 11
40 microldisc 0 8 16 0 11
60 microldisc 0 12 16 0 11
EPEHS7 Ppurpurogenum
20microldisc 5 10 7 8 9
40 microldisc 8 10 7 8 11
46
60 microldisc 8 12 7 8 11
EPHAL10 Pasperum
20microldisc 10 8 6 10 10
40 microldisc 11 9 6 10 10
60 microldisc 12 11 9 10 12
47
Fig9 Growth inhibition of Pauroginosa by the n-hexane fraction endophytic Penicillium in
disc diffusion method
Fig10 Growth inhibition of Saureus by the n-Hexane fraction of endophytic Penicillium in
disc diffusion method
C
+ve C
20microl
60microl
40microl
+veC
20microl
40microl
60microl
C
48
Fig11 Growth inhibition of S typhimurium by the n-Hexane fraction of endophytic
Penicillium in disc diffusion method
Fig12 Growth inhibition of E coli by the n-Hexane fraction of endophytic Penicillium in
disc diffusion method
C
60microl
40microl
20microl +veC
vCCe
veve
+veC
vCCe
veve
C
60microl
20microl
40microl
49
Table7 In vitro growth suppression of M Phaseolina R Solani F solani and F oxysporum by chloroform fraction of endophytic
Penicillium species
Fungus No Penicillium sp M Phaseolina R Solani F solani F oxysporum
Zone of inhibition mm
Control 0 0 0 0
Carbendazim 20 microgdisc 30 30 30 30
EPSLR4 P nigricans
20microldisc 0 0 0 0
40 microldisc 0 0 0 0
60 microldisc 0 0 0 0
EPAAR5 P rugulosum
20microldisc 15 0 20 20
40 microldisc 15 0 20 20
60 microldisc 15 0 20 20
EPAIR6 P decumbens
20microldisc 0 0 0 0
40 microldisc 0 0 0 0
60 microldisc 0 0 0 0
EPEHS7 Ppurpurogenum
20microldisc 25 0 20 15
40 microldisc 25 0 20 15
50
60 microldisc 25 0 20 15
EPHAL10 Pasperum
20microldisc 0 0 0 0
40 microldisc 0 0 0 0
60 microldisc 0 0 0 0
364 In-vitro antibacterial potentail of chloroform fractions of culture filtrates of endophytic Penicillium
P rugulosum inhibited Bacillus subtilus Staphlococcus aureus Salmonella typhimurium and Pseudomonas auroginosa by
producing inhibition zones ranging from 21-18mm P rugulosum while P rugulosum also produced inhibition zones measuring
11mm against Escherichia coli whereas the inhibition zones of 14mm against Escherichia coli were produced by P nigricans
(Table 8 and Fig12)
51
Table8 In vitro growth inhibition of Bsubtilus Saureus S typhimurium E coli and Pauroginosa by chloroform fraction of
endophytic Penicillium species
Fungus No Penicillium sp Bsubtilus Saureus S typhimurium E coli Pauroginosa
Zone of inhibition mm
Control 0 0 0 0 0
Streptomycin 20 microgdisc 15 15 15 15 15
EPSLR4 P nigricans
20microldisc 16 16 14 14 16
40 microldisc 16 16 14 14 18
60 microldisc 18 16 16 14 20
EPAAR5 P rugulosum
20microldisc 18 18 20 11 20
40 microldisc 18 18 20 11 21
60 microldisc 18 18 20 11 21
EPAIR6 P decumbens
20microldisc 0 0 0 0 0
40 microldisc 0 0 0 0 0
60 microldisc 0 0 0 0 0
EPEHS7 Ppurpurogenum
20microldisc 0 0 14 0 0
52
40 microldisc 0 0 14 0 0
60 microldisc 0 0 14 0 0
EPHAL10 Pasperum
20microldisc 0 7 11 0 6
40 microldisc 0 7 11 0 6
60 microldisc 0 10 11 0 9
53
4
Fig13 Growth inhibition of S typhimurium by the chloroform fraction of endophytic
Penicillium in disc diffusion method
C
+ve C
20microl 40microl
60microl
54
3656 Extraction and characterization of compounds from mycelium of endophytic
Penicillium
Czapekrsquos Dox broth of Penicillium regulosum was prepared in (250 ml) conical
flask containing (100 ml) A 5mm disc of test Penicillium was cuttedinoculated and
incubated (25-30degC) and left for 15 days When fungi secreted secondry metabolites then
cell free culture filtrates were obtained by filtering The mycelium was used for the
extraction of compounds
10 gm mycelium was thoroughly washed with n-hexane solvent to remove excess
water and extracted with 200 mL n-hexane using a Soxhlet extractor for 8 h The extracts
were filtered and dried at 40degC by using a rotary vacuum evaporator The oily mass
extracted from mycelium of Penicillium regulosum was subjected to GC-MS analysis
GCMS (Gas chromatographymass spectrometer) analyzed on High Resolution Mass
spectrometer Jeol HX-110 (Japan) equipped with data system DA-5500 in combination with
gas chromatograph Hewlett packard (5890)
Total 23 different chemical compounds were obtained from mycelium fraction Volatile
compound such as normal hydrocarbon (akane and alkene) fatty acid alcohol ether
terpenoids and benzene derivatives including cyclohexane and other compounds that were
found among the volatile metabolites were identified by mass spectral data base (Table 9)
55
(1) Nanodecane
(2) Nonadecane
(3) Heptadecane
(4) Heptacosane
(5) Heptacosane
(6) Eicosane
(7) Octadecane
(replib) Nonadecane
50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 2400
50
10057
71
85
99113 127 141 155 169 183 197
(replib) Nonadecane
60 80 100 120 140 160 180 200 220 240 260 2800
50
10057
71
85
99113 127 141 155 169 183 197 268
(replib) Heptadecane
50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 240 2500
50
10057
71
85
99113 127 141 155 169 182 196 210 240
(replib) Heptacosane
60 80 100 120 140 160 180 200 220 240 260 280 300 320 3400
50
10057
71
85
99113 127 141 155 169 183 197 211 225 239 253 267 281 294 308 322 336
(replib) Heptacosane
60 80 100 120 140 160 180 200 220 240 260 280 300 3200
50
10057
71
85
99113 127 141 155 169 183 197 211 225 239 253 267 281 294 308 322
(mainlib) Eicosane
60 80 100 120 140 160 180 200 220 240 260 2800
50
10057
71
85
99113
127 141 155 169 183 197 211 225 238 252 282
(replib) Octadecane
60 80 100 120 140 160 180 200 220 240 2600
50
10057
71
85
99113 127 141 155 169 183 197 210 225 254
56
(8) Tetradecanoic acid
(9) Dodecane 2610-trimethyl-
(10) i-Propyl tetradecanoate
(11) i-Propyl 12-methyltetradecanoate
(12) Ethyl 13-methyl-tetradecanoate
(13) Widdrol hydroxyether
(mainlib) Tetradecanoic acid
50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 2400
50
100
55
60
69
73
8397 115
129
138
143157
171
185
199209
228
OH
O
(replib) Dodecane 2610-trimethyl-
60 80 100 120 140 160 180 200 220 240 2600
50
10057
71
85
97
113127
141 155 168183 197 212
(mainlib) i-Propyl tetradecanoate
50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 240 2500
50
100
60
71
8397
102
111
129
143157
171
185
199
211
228
O
O
(mainlib) i-Propyl 12-methyltetradecanoate
60 80 100 120 140 160 180 200 220 240 2600
50
10057
60
71
83 97
102
111 129
143153 165
177
185
195 213225
242O
O
(mainlib) Ethyl 13-methyl-tetradecanoate
60 80 100 120 140 160 180 200 220 240 260 2800
50
100
55
61
70
88
101
115129
143
157
171 185 199 213
227
241 255
270
O
O
(mainlib) Widdrol hydroxyether
60 80 100 120 140 160 180 200 220 240 260 2800
50
100
55
69
81
95 109
123
135
140
150
167
177 205223
238
O
OH
57
(14) n-Hexadecanoic acid
(15) Hexadecanoic acid ethyl ester
(16) Oleic Acid
(17) 912-Octadecadienoic acid ethyl ester
(replib) n-Hexadecanoic acid
60 80 100 120 140 160 180 200 220 240 2600
50
10060 73
8397
115
129
143157 171 185
199
213
227 239
256
OH
O
(mainlib) Hexadecanoic acid ethyl ester
60 80 100 120 140 160 180 200 220 240 260 2800
50
100
55
61 73
88
101
115129 143
157
171 185 199 213 225239
255 267284
O
O
(mainlib) 912-Octadecadienoic acid ethyl ester
60 80 100 120 140 160 180 200 220 240 260 280 300 3200
50
100
55
6781
95
109
123135 150 164 178
192 205 220 234
263
279
308
O
O
(replib) Oleic Acid
60 80 100 120 140 160 180 200 220 240 260 2800
50
10055
69
83
97
111
125137 151 165 180 193 207 222 236
264
282
HO
O
58
(18) Ethyl Oleate
(19) cis-10-Nonadecenoic acid
(20) 2-Propenoic acid 3-(4-methoxyphenyl)- 2-ethylhexyl ester
(21) 12-Benzenedicarboxylic acid diisooctyl ester
(replib) Ethyl Oleate
60 80 100 120 140 160 180 200 220 240 260 280 300 3200
50
10055
6983
97
111123
137 155180
194 207
222
236
264
281
310
O
O
(mainlib) cis-10-Nonadecenoic acid
60 80 100 120 140 160 180 200 220 240 260 280 300 3200
50
10055
6983
97
111
125137 151 165 179 194 207 221 236 249 261
278296
HO
O
(mainlib) 2-Propenoic acid 3-(4-methoxyphenyl)- 2-ethylhexyl ester
60 80 100 120 140 160 180 200 220 240 260 280 3000
50
100
55 77 90 103118
133
147
161
178
191 262290
O
O
O
(replib) 12-Benzenedicarboxylic acid diisooctyl ester
60 90 120 150 180 210 240 270 300 330 360 3900
50
100
5770
83 104132
149
167
279
O
O
O
O
(mainlib) Cyclopenta[ad]cycloocten-5-one 1233a456899a1010a-dodecahydro-7-(1-methylethyl)-19a-dimethyl-4-methylene
60 90 120 150 180 210 240 270 300 330 360 3900
50
100
55
69
81
95
107
121
147
173189
215
231
243
258
286
O
59
(22) Cyclopenta[ad]cycloocten-5-one 1233a456899a1010a-dodecahydro-7-(1-
methylethyl)-19a-dimethyl-4-methylene
(23) 2-Aminofluorescein
(mainlib) 2-Aminofluorescein
50 100 150 200 250 300 350 400 450 500 550 600 6500
50
100
63 91
151
189
287
303
318 347
O
O
OHO OH
H2N
60
Table9 GCMS of mycelial fraction of Penicillium regulosum
SNo Scan
No
Systemic Name
(Common Name)
Mol
Formula
Mol
Wt
Ret
Time
Conc
1 2606 Nanodecane C19H40 268 24168 0036
2 2913 Heptadecane C17H36 240 2641 0035
3 2998 Tetradecanoic acid C14H28O2 228 27038 0056
4 3230 Octadecane C18H38 254 28737 0049
5 3264 Dodecane 2610-trimethyl- C15H32 212 28986 0077
6 3331 i-Propyl tetradecanoate C17H34O2 270 29476 0058
7 3381 i-Propyl 12-methyltetradecanoate C18H36O2 284 29842 0097
8 3496 Ethyl 13-methyl-tetradecanoate C17H34O2 270 30684 0054
9 3653 Nonadecane C19H40 268 31834 0064
10 3975 Widdrol hydroxyether C15H26O2 238 34192 0094
11 4096 n-Hexadecanoic acid C16H32O2 256 35078 0079
12 4223 Hexadecanoic acid ethyl ester C18H36O2 284 36007 0094
13 4252 Eicosane C20H42 282 36220 0093
14 5475 Oleic Acid C18H34O2 282 45175 0105
15 5516 912-Octadecadienoic acid ethyl ester C20H36O2 308 45475 0084
16 5546 Ethyl Oleate C20H38O2 310 45694 0065
61
17 5970 cis-10-Nonadecenoic acid C19H36O2 296 48799 0053
18 6023 Heptacosane C27H56 380 49187 0051
19 6072 2-Propenoic acid 3-(4-methoxyphenyl)- 2-ethylhexyl ester C18H26O3 290 49546 0058
20 6281 Heptacosane C27H56 380 51076 0044
21 6591 12-Benzenedicarboxylic acid diisooctyl ester C24H38O4 390 53346 0048
22 6668 Cyclopenta[ad]cycloocten-5-one 1233a456899a1010a-
dodecahydro-7-(1-methylethyl)-19a-dimethyl-4-methylene
C20H30O 286 53910 004
23 8458 2-Aminofluorescein C20H13NO5 347 67016 0135
62
37 Screen house experiments
371 Effect of endophytic Penicillium in soil amended with neem cake in inhibition
of the root diseases and growth of sunflower (2016)
Fourteen isolates of endophytic Penicillium viz P duclauxi Plilacinum
Ppurpurogenum (EPSML3) Pnigricans Pregulosum P decumbens Ppurpurogenum
(EPEHS7) P restrictum P citrinum Pasperum Pthomii Ppurpurogenum (EPAER14)
Plividum Pjavanicum and caused growth suppression of four root rotting fungi in vitro A
25ml five-day-old cell suspension of fungal isolates were drench in 1kg soil obtaining from
experimental field of the Department of Botany each clay pots Carbendazim considered as
+ve control against pathogenic fungi Application of endophytic Penicillium and 1 Neem
cake were also applied in another pot set In each pot (6 seeds per pot) seed of sunflower
(Helianthus annuus) were sown and kept four seedlings after germination Treatments were
replicated four times watered daily
After six weeks experiment were harvested to evaluate the potentail of endophytic
Penicillium on the suppression of pathogens and growth of plant and data on height of
plant weight of fresh shoot length of root weight of root were measured and noted The
infection of root rotting fungi roots cleaned with tap water 5 root pieces of 1cm were
sterilized with 1 bleach and placed on plates poured with (Potato Dextrose Agar) PDA
mixed with penicillin (100000 units litre) and streptomycin (02 glitre) After incubation
of 5 day occurrence of root rots were recorded
Plant grown in soil amended with neem cake generally showed less infection of
root rotting fungi related to plant grown in natural soil (un-amended soil) Plant inoculated
with endophytic Penicillium species most of them showed less infection of root rotting
fungi related to control plant Plants grown in pots received Endophytic Pregulosum in
natural soil and also in amended soil with neem cake showed no infection of F oxysporum
Whereas P Pnigricans Pregulosum P citrinum Ppurpurogenum (EPSML3)
Pduclauxi Pthomii Pjavanicum and P decumbens in amended soil with neem cake also
showed no infection of F oxysporum Combine effect of isolates P decumbens
63
Pnigricans P citrinum P lividum Plilacinum Ppurpurogenum (EPSML3) Pduclauxi
Ppurpurogenum (EPEHS7) P restrictum Pthomii Ppurpurogenum (EPAER14)
Pjavanicum and neem cake showed no infection on Fsolani P decumbens Pnigricans
Pregulosum and Pjavanicum also showed no infection of Fsolani when used alone
Plividum alone showed no infection of Mphaseolina on sunflower roots Combine effect
of P decumbens Pnigricans Pregulosum Pthomii and Pjavanicum with neem cake
showed significant reduction on infection of Mphaseolina Application of P decumbens
Pnigricans P citrinum Plividum Ppurpurogenum (EPEHS7) Ppurpurogenum
(EPAER14) and Pjavanicum showed no infection of Rsolani P decumbens
Pregulosum P citrinum Plilacinum Ppurpurogenum (EPSML3) Pduclauxi
Ppurpurogenum (EPEHS7) P restrictum Ppurpurogenum (EPAER14) Pjavanicum
with neem cake showed no infection of Rsolani While Pnigricans Plividum Pthomii
and Pasperum Significantly suppressed the Rsolani infection when applied in neem cake
amended soil (Table 10)
Greater plant height was produced by Ppurpurogenum (EPEHS7) P restrictum
Ppurpurogenum (EPAER14) and Pasperum when applied in neem cake amended soil
However effect of P restrictum and Pasperum with neem cake were significant on fresh
shoot weight (Table 10) Pnigricans Pthomii and Pjavanicum alone showed significant
result of root length and root weight whereas P decumbens and Pduclauxi with neem
cake showed greater root length (Table 11 and Fig13-14)
64
Table10 Effect of endophytic Penicillium and neem cake on the infection of Fusarium solani Foxysporum Rhizoctonia solani and
Macrophomina phaseolina on sunflower roots in green house experiment
Infection
Treatments Code Foxysporum
Fsolani
M phaseolina Rsolani
NS AS NS AS NS AS NS AS
Control hellip 50 187 75 25 75 50 187 125
Carbendazim hellip 25 0 312 62 125 25 125 0
P decumbens EPAIR6 187 0 0 0 25 187 0 0
Pnigricans EPSLR4 62 0 0 0 375 187 0 62
Pregulosum EPAAR5 0 0 0 187 62 187 62 0
P citrinum EPSMR1 375 0 25 0 125 25 0 0
Plilacinum EPSMS2 25 62 187 0 62 50 62 0
Ppurpurogenum EPSML3 50 0 125 0 62 25 62 0
Pduclauxi EPASS9 50 0 62 0 312 312 62 0
Plividum EPMCL12 50 62 50 0 0 50 0 62
Ppurpurogenum EPEHS7 375 187 375 0 50 312 0 0
Prestrictum EPCTS8 50 62 62 0 125 437 62 0
Pthomii EPAER11 62 0 62 0 375 187 62 62
Ppurpurogenum EPAER14 375 187 375 0 50 312 0 0
Pjavanicum EPSLR13 62 0 0 0 375 187 0 0
Pasperum EPHAL10 125 0 25 187 375 312 62 62
LSD005 Treatment=4651 Pathogen=2322 Soil Type=1643
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
3Mean values in the NS and AS column showing difference greater than LSD value are significantly different at plt005
NS= Natural Soil AS=Amended Soil
65
Table11 Effect of endophytic Penicillium and neem cake on the growth of sunflower in green house experiment
Treatments Code Shoot Length
Shoot Weight
Root Length Root weight
(cm)
(g)
(cm)
(g)
NS AS NS AS NS AS NS AS
Control 22775 3993 253 535 643 1162 0645 0675
Carbendazim 2585 418 2216 451 742 1287 0715 0622
P decumbens EPAIR6 2541 4487 243 512 1103 1406 077 0786
Pnigricans EPSLR4 2824 44 277 527 1221 1218 1005 0645
Pregulosum EPAAR5 2527 4406 25 475 862 1287 0781 0629
P citrinum EPSMR1 2599 4681 218 51 94 862 0726 0807
Plilacinum EPSMS2 22685 4587 205 539 631 558 0663 0578
Ppurpurogenum EPSML3 25211 4087 215 471 932 681 0841 0648
Pduclauxi EPASS9 2541 4487 243 512 1103 1406 077 0786
Plividum EPMCL12 22685 4587 205 539 631 558 0663 0578
Ppurpurogenum EPEHS7 234 4931 153 573 887 725 0583 0748
Prestrictum EPCTS8 26186 4918 214 678 918 757 069 0866
Pthomii EPAER11 2824 44 277 527 1221 1218 1005 0645
Ppurpurogenum EPAER14 234 4931 153 573 887 725 0583 0748
Pjavanicum EPSLR13 2824 44 277 527 1221 1218 1005 0645
Pasperum EPHAL10 26186 4918 214 678 918 757 069 0866
LSD005 5141 7881 07911 1821 2551 2821 01951 031
1 Difference greater than LSD values among means in column are significant at plt005
NS= Natural Soil AS=Amended Soil
66
372 Effect of endophytic Penicillium with neem cake in inhibition of the root
diseases and growth of Sunflower (2017)
Fourteen isolates of endophytic Penicillium viz P citrinum Plilacinum
Ppurpurogenum (EPSML3) Pnigricans Pregulosum P decumbens Ppurpurogenum
(EPEHS7) P restrictum Pduclauxi Pasperum Pthomii Plividum Pjavanicum and
Ppurpurogenum (EPAER14) caused growth suppression of four root rotting fungi in vitro
A 25ml five-day-old cell suspension of fungal isolates were drench in 1kg soil obtaining
from experimental field of the Department of Botany each clay pots Carbendazim
considered as positive control against root rotting fungi Application of endophytic
Penicillium and 1 Neem cake were also applied in another pot set In each pot (6 seeds per
pot) seed of sunflower (Helianthus annuus) were sown and kept four seedlings after
germination Treatments were replicated four times watered daily
After six weeks experiment were harvested to evaluate the potentail of endophytic
Penicillium on the suppression of pathogens and growth of plant and data on plant height
fresh shoot weight root length root weight were measured and noted The infection of
root rotting fungi roots were washed under tap water 5 root pieces of 1cm were sterilized
with 1 bleach and placed on plates poured with Potato Dextrose Agar mixed with
penicillin (100000 units litre) and streptomycin (02 glitre) After incubation of 5 day
occurrence of root rots were recorded
67
68
Fig14 Growth promotion by the endophytic Penicillium in sunflower
Control +veControl EP EP EP
69
Fig14 Growth promotion by the endophytic Penicillium in neem cake amended soil in
sunflower
Control +ve Control EP
+veControl EP
EP
EP EP EP EP
EP
Control
70
Plant grown in soil amended with neem cake generally showed less infection of
root rotting fungi as compared to plant grown in natural soil (un-amended soil) Plant
inoculated with endophytic Penicillium species most of them showed less infection of
root rotting fungi as compared to untreated control Plants grown in pots received
Endophytic Penicillium isolates caused significant reduction except Ppurpurogenum
(EPSML3) and Plividum which caused no reduction as compared to untreated control
on F oxysporum infection Whereas pots received endophytic P citrinum
Ppurpurogenum (EPSML3) Pnigricans Pregulosum P decumbens Pduclauxi
Pthomii Pjavanicum with neem cake showed complete suppression of F oxysporum
Combine effect of isolates Pnigricans P citrinum Plilacinum Plividum P
restrictum Pthomii Pjavanicum and neem cake showed no infection of Fsolani P
decumbens Pnigricans and Pjavanicum also showed complete suppression of
infection of Fsolani while Plividum showed no difference from control when used
alone Plividum alone showed no infection of Mphaseolina on sunflower roots
Combine effect of all treatments with neem cake showed significant reduction on
infection of Mphaseolina Application of P decumbens P citrinum Plividum
Ppurpurogenum (EPEHS7) and Pregulosum showed no infection of Rsolani P
decumbens Pnigricans P citrinum Ppurpurogenum (EPSML3) Pduclauxi
Ppurpurogenum (EPEHS7) P restrictum Ppurpurogenum (EPAER14) and
Pjavanicum with neem cake showed complete suppression of Rsolani (Table 12)
Plant grown in soil amended with neem cake generally showed greater height as
compared to plant grown in natural soil (un-amended soil) Plant inoculated with
endophytic Penicillium species most of them showed larger shoot length as compared to
untreated control Greater plant height was produced by Plilacinum when applied in
neem cake amended soil (Table 13 and Fig 15-17)
71
Table12 Effect of endophytic Penicillium and neem cake on the infection of Fusarium solani Foxysporum Rhizoctonia solani and
Macrophomina phaseolina on sunflower roots in green house experiment
Infection
Treatments Code Foxysporum
Fsolani
M phaseolina Rsolani
NS AS NS AS NS AS NS AS
Control 50 187 50 25 75 75 187 125
Carbendazim 125 62 312 62 125 25 62 62
P decumbens EPAIR6 125 0 0 62 25 187 0 0
Pnigricans EPSLR4 62 0 0 0 312 187 62 0
Pregulosum EPAAR5 125 0 25 62 125 125 0 62
P citrinum EPSMR1 375 0 25 0 125 25 0 0
Plilacinum EPSMS2 25 62 187 0 62 50 62 62
Ppurpurogenum EPSML3 50 0 125 62 62 25 62 0
Pduclauxi EPASS9 25 0 62 62 312 187 62 0
Plividum EPMCL12 50 62 50 0 0 50 0 62
Ppurpurogenum EPEHS7 375 187 312 125 50 31 0 0
Prestrictum EPCTS8 125 62 62 0 125 437 62 0
Pthomii EPAER11 62 0 62 0 375 187 62 62
Ppurpurogenum EPAER14 375 187 312 125 50 312 62 0
Pjavanicum EPSLR13 62 0 0 0 312 187 62 0
Pasperum EPHAL10 125 125 25 187 312 312 62 62
LSD005 Treatment=4451 Pathogen=2222 Soil Type=1573
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
3Mean values in the NS and AS column showing difference greater than LSD value are significantly different at plt005
NS= Natural Soil AS=Amended Soil
72
Table13 Effect of endophytic Penicillium and neem cake on the growth of sunflower in green house experiment
Treatments Code
Shoot Length
(cm)
Shoot Weight
(g)
Root Length Root weight
(cm)
(g)
NS AS NS AS NS AS NS AS
Control 3256 3893 378 642 57 1034 085 131
Carbendazim 3781 4293 452 607 84 1025 124 128
P decumbens EPAIR6 4412 6275 386 1013 7 768 086 213
Pnigricans EPSLR4 4838 6208 489 953 863 656 096 141
Pregulosum EPAAR5 4568 6412 472 994 658 666 0909 128
P citrinum EPSMR1 385 6443 373 1425 75 787 088 226
Plilacinum EPSMS2 345 6551 206 1019 706 645 072 161
Ppurpurogenum EPSML3 3545 6037 2405 909 677 593 091 144
Pduclauxi EPASS9 4412 6275 386 1013 7 768 086 213
Plividum EPMCL12 345 6551 206 1019 706 645 072 161
Ppurpurogenum EPEHS7 385 59 245 886 868 1118 083 163
Prestrictum EPCTS8 4158 5006 362 818 6102 1275 067 186
Pthomii EPAER11 4838 6208 489 953 863 656 096 141
Ppurpurogenum EPAER14 385 59 245 886 868 1118 083 163
Pjavanicum EPSLR13 4838 6208 489 953 863 656 096 141
Pasperum EPHAL10 4158 5006 362 818 6102 1275 067 186
LSD005 10331 8971 2271 5521 3021 2171 04581 1071
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
NS= Natural Soil AS=Amended Soil
73
Fig15 Growth promotion by the endophytic Penicillium in soil amended with neem cake
in sunflower
373 Effect of endophytic Penicillium with neem cake in inhibition of root diseases
and mung bean growth
In an experiment a 25 ml cell suspension of five-day-old cultures of Fourteen
isolates of endophytic Penicillium viz P citrinum Plilacinum Ppurpurogenum
(EPSML3) Pnigricans Pregulosum P decumbens Ppurpurogenum (EPEHS7) P
restrictum Pduclauxi Pasperum Pthomii Plividum Pjavanicum and
Ppurpurogenum (EPAER14) were applied in pots filled with 1 Kg soil Endophytic
Penicillium were drench in each pots with 1 neem cake in another pot set Mung bean
(Vigna radiata) seeds were sown pots (6 seeds per pot) Four seedlings were remained in
each pots after germination Treatments were replicated four times and data were noticed
after 45 days
EP
Carbendazim Control
74
No infection of Foxysporum were found Plilacinum Ppurpurogenum (EPSML3)
and Pduclauxi when used in natural soil Whereas infection of Foxysporum was also not
found where Plilacinum Pnigricans and Pduclauxi used in neem cake amended soil
Significant reduction in infection of Fsolani was seen in natural soil by all isolates whereas
in neem cake amended soil all isolates also showed significant reduction other than P
citrinum which showed infection equal to control treatment 75 No infection of
Mphaseolina was showed by P citrinum in both type of soil whereas P restrictum also
showed no infection of Mphaseolina only in natural soil Control showed no infection of
Rsolani in natural soil while Pnigricans Pasperum Pthomii and Pjavanicum in
amended soil showed no infection of Rsolani (Table 14)
Use of endophytic Plividum with neem cake caused a significant increase in
plant height while Pnigricans Plilacinum Ppurpurogenum (EPEHS7) Pasperum
Pthomii Pjavanicum and Ppurpurogenum (EPAER14) showed significant result in
natural soil Ppurpurogenum (EPEHS7) and Ppurpurogenum (EPAER15) showed
significant growth on Shoot weight in natural soil In natural soil greater root length was
showed by Plilacinum whereas in amended soil P restrictum Pasperum Pthomii and
Pjavanicum showed larger root length (Table 15)
75
Table14 Effect of endophytic Penicillium with neem cake on the infection of Fusarium solani Foxysporum Rhizoctonia solani and
Macrophomina phaseolinaon mung bean roots in green house experiment
Infection
Treatments Code Foxysporum
Fsolani
M phaseolina Rsolani
NS AS NS AS NS AS NS AS
Control hellip 50 312 100 75 100 50 0 562
Carbendazim hellip 125 62 50 312 187 25 0 25
P decumbens EPAIR6 125 25 375 437 187 437 0 125
Pnigricans EPSLR4 62 0 50 187 125 187 0 0
Pregulosum EPAAR5 125 187 437 50 312 50 62 562
P citrinum EPSMR1 62 62 437 75 0 0 62 62
Plilacinum EPSMS2 0 0 50 125 312 62 187 62
Ppurpurogenum EPSML3 0 25 375 50 25 25 437 187
Pduclauxi EPASS9 0 0 437 375 25 375 62 25
Plividum EPMCL12 62 25 25 687 125 375 62 50
Ppurpurogenum EPEHS7 62 125 375 312 187 187 62 25
Prestrictum EPCTS8 12 25 437 375 0 312 62 187
Pthomii EPAER11 62 62 437 25 125 312 0 0
Ppurpurogenum EPAER14 62 125 375 312 187 187 62 25
Pjavanicum EPSLR13 62 0 50 187 125 187 0 0
Pasperum EPHAL10 435 125 25 25 25 187 0 0
LSD005 Treatment=5611 Pathogen=2802 Soil Type=1983
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
3 Mean values in the NS and AS column showing difference greater than LSD value are significantly different at plt005
NS= Natural Soil AS=Amended Soil
76
Table15 Effect of endophytic Penicillium and neem cake on the growth of mung bean in green house experiment
Treatments Code Shoot Length
Shoot Weight
Root Length Root weight
(cm)
(g)
(cm)
(g)
NS AS NS AS NS AS NS AS
Control hellip 1375 1714 078 08 1531 4652 051 014
Carbendazim hellip 139 1865 073 1322 1556 473 056 015
P decumbens EPAIR6 1359 161 089 1055 1233 5002 055 023
Pnigricans EPSLR4 1463 1452 077 031 1125 6375 031 011
Pregulosum EPAAR5 1358 1775 073 0732 1943 4905 032 017
P citrinum EPSMR1 1299 1606 059 0617 165 477 039 016
Plilacinum EPSMS2 148 1685 083 0662 251 4175 046 022
Ppurpurogenum EPSML3 1299 1606 059 0617 165 477 039 016
Pduclauxi EPASS9 1187 1916 069 0855 1108 4562 017 016
Plividum EPMCL12 132 2147 061 1358 2252 4785 026 022
Ppurpurogenum EPEHS7 1448 1917 092 1115 1543 445 059 016
Prestrictum EPCTS8 1268 1874 068 1102 1087 702 031 02
Pthomii EPAER11 1463 179 077 1203 1125 7025 031 024
Ppurpurogenum EPAER14 1448 1917 092 1115 1543 445 059 016
Pjavanicum EPSLR13 1463 179 077 1203 1125 7025 031 024
Pasperum EPHAL10 1463 1874 077 1102 1125 702 031 02
LSD005 1611 4011 0191 2141 8421 1151 0171 0071
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
NS= Natural Soil AS=Amended Soil
77
374 Effect of Endophytic Penicillium and cotton cake in inhibition of root
diseases and mung bean growth
A 25 ml five-day-old cell suspension of fourteen isolates of endophytic
Penicillium viz P citrinum Plilacinum Ppurpurogenum (EPSML3) Pnigricans
Pregulosum P decumbens Ppurpurogenum (EPEHS7) P restrictum Pduclauxi
Pasperum Pthomii Plividum Pjavanicum and Ppurpurogenum (EPAER14) were
applied in clay pots filled with 1 Kg soil In similler set endophytic Penicillium were
drench in each pots alongwith 1 cotton cake Seeds of mungbean (Vigna radiata)
were sown Four seedlings were kept in each pot after germination Carbendazim (200
ppm) 25 ml pot considered as positive control
After 45 days data were noted Different Fsolani and Foxysporum infection
showed between plants treated with different isolates was significant Endophytic
Penicillium isolates separete or combine with cotton cake caused significant reduction
M phaseolina infection Plants grown in soil treated with Pnigricans Pregulosum P
decumbens Ppurpurogenum (EPEHS7) Pthomii Plividum Pjavanicum and
Ppurpurogenum (EPAER14) in cotton cake amended soil showed no infection of R
solani (Table 16)
Cotton cake and Pnigricans Pthomii Pjavanicum significant increased root
length and fresh root weight related to control plants While combine use of cotton cake
and P decumbens significantly improved fresh shoot weight (Table 17)
78
Table16 Effect of Endophytic Penicillium and cotton cake on the infection of Fusarium solani Foxysporum Rhizoctonia solani and
Macrophomina phaseolina on mungbean roots in green house experiment
Infection
Treatments Code Foxysporum
Fsolani
M phaseolina Rsolani
NS AS NS AS NS AS NS AS
Control hellip 50 50 100 75 100 75 0 187
Carbendazim hellip 125 50 50 75 187 75 0 187
P decumbens EPAIR6 125 0 375 312 187 375 0 0
Pnigricans EPSLR4 62 187 50 437 125 375 0 0
Pregulosum EPAAR5 125 62 437 125 312 187 62 0
P citrinum EPSMR1 62 25 437 437 0 437 62 187
Plilacinum EPSMS2 0 375 50 687 312 25 187 62
Ppurpurogenum EPSML3 0 437 375 50 25 687 437 185
Pduclauxi EPASS9 0 312 437 562 25 562 62 65
Plividum EPMCL12 62 125 25 25 125 25 62 0
Ppurpurogenum EPEHS7 62 0 375 312 187 125 62 0
Prestrictum EPCTS8 125 312 437 312 0 312 62 65
Pthomii EPAER11 62 187 437 437 125 375 0 0
Ppurpurogenum EPAER14 62 0 375 312 187 125 62 0
Pjavanicum EPSLR13 62 187 50 437 125 375 0 0
Pasperum EPHAL10 437 375 25 312 25 562 0 125
LSD005 Treatment=5891 Pathogen=2942 Soil Type=2083
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
3Mean values in the NS and AS column showing difference greater than LSD value are significantly different at plt005
NS= Natural Soil AS=Amended Soil
79
Table17 Effect of Endophytic Penicillium and Cotton cake on the growth of mung bean in green house experiment
Treatments Code
Shoot Length
Shoot Weight Root Length Root weight
(cm)
(g)
(cm)
(g)
NS AS NS AS NS AS NS AS
Control hellip 1375 1364 078 089 1531 613 051 031
Carbendazim hellip 139 1398 073 106 1556 699 056 038
P decumbens EPAIR6 1359 147 089 142 1233 79 055 039
Pnigricans EPSLR4 1463 1435 077 119 1125 1185 031 071
Pregulosum EPAAR5 1358 1322 073 101 1943 746 032 036
P citrinum EPSMR1 1299 1318 059 193 165 961 039 037
Plilacinum EPSMS2 148 1438 083 116 251 1096 046 045
Ppurpurogenum EPSML3 1299 1318 059 193 165 961 039 037
Pduclauxi EPASS9 1187 1438 069 13 1108 1178 017 048
Plividum EPMCL12 132 1323 061 107 2252 1024 026 048
Ppurpurogenum EPEHS7 1448 12875 092 107 1543 933 059 041
Prestrictum EPCTS8 1268 1453 068 128 1087 972 031 046
Pthomii EPAER11 1463 1435 077 119 1125 1185 031 071
Ppurpurogenum EPAER14 1448 12875 092 107 1543 933 059 041
Pjavanicum EPSLR13 1463 1435 077 119 1125 1185 031 071
Pasperum EPHAL10 1463 1453 077 128 1125 972 031 046
LSD005 1611 2661 0191 091 8421 271 0171 0291
1 Difference greater than LSD values among means in column are significant at plt005
NS= Natural Soil AS=Amended Soil
80
375 Effect of endophytic Penicillium in inhibition of root diseases and
mungbean growth
A 25 ml five-day-old cell suspension of fourteen isolates of endophytic
Penicillium viz P citrinum Plilacinum Ppurpurogenum (EPSML3) Pnigricans
Pregulosum P decumbens Ppurpurogenum (EPEHS7) P restrictum Pduclauxi
Pasperum Pthomii Plividum Pjavanicum and Ppurpurogenum (EPAER14) were
applied in clay pots filled with 1 Kg soil In similler set endophytic Penicillium were
drench in each pots alongwith 1 cotton cake Seeds of mungbean (Vigna radiata)
were sown Four seedlings were kept in each pot after germination Carbendazim (200
ppm) 25 ml pot considered as positive control
No infection of Foxysporum was found by Plilacinum and Pduclauxi
treatments Significant reduction in infection of Fsolani was seen by all isolates No
infection of Mphaseolina was showed by P citrinum and P restrictum All treatments
showed significant reduction on infection of Rsolani although Pnigricans P
decumbens Pthomii and Pjavanicum showed 0 infection (Table 18)
Application of Endophytic Pasperum caused a significant increase in plant
height Showed significant result in natural soil P citrinum caused significant growth
on Shoot weight Root length showed non-significant result P decumbens showed
greater fresh root weight (Table 19)
81
Table18 Effect of Endophytic Penicillium on the infection of Fusarium solani Foxysporum Rhizoctonia solani and
Macrophomina phaseolina on mung bean roots in green house experiment
Treatments Code Foxysporum Fsolani M phaseolina Rsolani
Infection
Control --------- 50 100 100 50
Carbendazim --------- 25 50 50 62
P decumbens EPAIR6 125 375 187 0
Pnigricans EPSLR4 62 50 125 0
Pregulosum EPAAR5 125 437 312 62
P citrinum EPSMR1 62 437 0 62
Plilacinum EPSMS2 0 50 312 187
Ppurpurogenum EPSML3 25 25 312 25
Pduclauxi EPASS9 0 437 25 62
Plividum EPMCL12 62 25 125 65
Ppurpurogenum EPEHS7 62 375 187 62
Prestrictum EPCTS8 125 437 0 62
Pthomii EPAER11 62 50 125 0
Ppurpurogenum EPAER14 62 375 187 62
Pjavanicum EPSLR13 62 50 125 0
Pasperum EPHAL10 437 25 25 62
LSD005 Treatment=7601 Pathogen=3802
82
Table19 Effect of endophytic Penicillium on the growth of mung bean in green house experiment
Treatments Code Shoot Lenght Shoot Weight Root Length Root weight
(cm) (g) (cm) (g)
Control ---------- 1475 0522 4972 0098
Carbendazim --------- 1635 0987 3737 009
P decumbens EPAIR6 1382 0799 4462 0154
Pnigricans EPSLR4 1088 0794 4467 0101
Pregulosum EPAAR5 1414 0737 391 0087
P citrinum EPSMR1 1344 0987 4617 0137
Plilacinum EPSMS2 1399 0823 4195 0128
Ppurpurogenum EPSML3 1344 0987 4617 0137
Pduclauxi EPASS9 1434 0696 4127 0096
Plividum EPMCL12 1639 0752 4147 0121
Ppurpurogenum EPEHS7 1471 0642 435 0085
Prestrictum EPCTS8 1468 0928 4153 0088
Pthomii EPAER11 1482 0711 3865 0072
Ppurpurogenum EPAER14 1471 0642 435 0085
Pjavanicum EPSLR13 1482 0711 3865 0072
Pasperum EPHAL10 1608 0787 3875 0066
LSD005 2891 0261 0741 0051
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
83
84
376 Effect of endophytic Penicillium in soil amended with neem cake in
inhibition the root diseases and tomato growth
In this experiment 25 ml of five-day-old cell suspension of fourteen isolates of
endophytic Penicillium viz P citrinum Plilacinum Ppurpurogenum (EPSML3)
Pnigricans Pregulosum P decumbens Ppurpurogenum (EPEHS7) P restrictum
Pduclauxi Pasperum Pthomii Plividum Pjavanicum and Ppurpurogenum
(EPAER14) were applied in each pots filled 1 Kg soil In same other set endophytic
Penicillium were applied in each pots alongwith 10g neem cake per pot Three-week-
old four equal sized tomato (Lycopersicon exculentum) seedlings grown in autoclaved
soil were shifted in pots Carbendazim (200 ppm) 25 ml pot considered as positive
control Treatments were replicated four times and data were noticed after 60 days
Application of endophytic P decumbens P citrinum and Pduclauxi and P
restrictum alone affected a complete suppression of Foxysporum infection Whereas
Pduclauxi was found no infection of Foxysporum when used with neem cake (Table
20) Endophytic Penicillium are found effective against Fsolani in both type of soil
When P decumbens and Pduclauxi were used alone Infection of M phaseolina was
significantly reduced In neem cake amended soil untreated control showed no infection
of M phaseolina Difference in R solani infection among plants received different
treatment was non significant in both type of soil natural and amended (Table 20)
Plants grown in natural soil received P decumbens Pnigricans Pduclauxi
Ppurpurogenum (EPAER14) and Pjavanicum fungal culture showed better growth
than untreated control Pasperum with neem cake showed highly significant plant
height of 24cm (Table 21 and Fig18-20)
85
Table20 Effect of endophytic Penicillium and neem cake on the infection of Fusarium solani Foxysporum Rhizoctonia solani and
Macrophomina phaseolina on tomato roots in green house experiment
Infection
Treatments Code Foxysporum
Fsolani
M phaseolina Rsolani
NS AS NS AS NS AS NS AS
Control hellip 437 312 625 625 312 0 312 0
Carbendazim hellip 562 187 312 437 875 187 375 0
P decumbens EPAIR6 0 437 62 562 187 125 75 0
Pnigricans EPSLR4 312 562 187 625 375 312 687 0
Pregulosum EPAAR5 25 562 437 562 312 0 437 62
P citrinum EPSMR1 0 50 62 625 625 62 75 0
Plilacinum EPSMS2 50 437 437 562 375 125 687 62
Ppurpurogenum EPSML3 50 62 437 312 437 125 437 0
Pduclauxi EPASS9 0 0 62 25 187 125 50 62
Plividum EPMCL12 50 437 437 562 375 0 687 62
Ppurpurogenum EPEHS7 62 187 312 25 375 25 375 125
Prestrictum EPCTS8 0 312 187 437 25 187 562 0
Pthomii EPAER11 187 562 312 562 50 312 562 0
Ppurpurogenum EPAER14 62 187 312 25 375 25 375 125
Pjavanicum EPSLR13 312 562 187 625 375 312 687 0
Pasperum EPHAL10 62 312 125 562 25 62 812 0
LSD005 Treatment=5921 Pathogen=2962 Soil Type=2093
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
3Mean values in the NS and AS column showing difference greater than LSD value are significantly different at plt005
NS= Natural Soil AS=Amended Soil
86
Table 21 Effect of endophytic Penicillium and neem cake on the growth of tomato in green house experiment
Treatments Code Shoot Length Shoot Weight Root Length Root weight
(cm) (g) (cm) (g)
NS AS NS AS NS AS NS AS
Control hellip 12 1544 18 407 126 333 155 063
Carbendazim hellip 1318 2362 177 802 943 637 134 156
P decumbens EPAIR6 1672 1131 243 153 1185 666 057 033
Pnigricans EPSLR4 1681 1357 247 201 1082 848 069 033
Pregulosum EPAAR5 1497 1841 211 295 1106 833 05 048
P citrinum EPSMR1 1732 1755 297 389 922 1149 064 056
Plilacinum EPSMS2 132 1303 193 254 1242 529 052 046
Ppurpurogenum EPSML3 128 1087 171 109 1078 612 054 025
Pduclauxi EPASS9 1672 2255 243 636 1185 597 057 11
Plividum EPMCL12 1307 1303 178 254 1242 529 052 046
Ppurpurogenum EPEHS7 1307 1581 178 382 1242 1025 054 094
Prestrictum EPCTS8 1513 1755 191 389 135 1149 046 056
Pthomii EPAER11 1328 1375 214 234 148 466 046 055
Ppurpurogenum EPAER14 1681 1581 178 382 1242 1025 048 094
Pjavanicum EPSLR13 1681 1357 247 201 1082 848 069 033
Pasperum EPHAL10 1328 2412 18 732 1225 775 06 126
LSD005 271 5171 0691 2091 3731 3031 1031 0631
1 Difference greater than LSD values among means in column are significant at plt005
NS= Natural Soil AS=Amended Soil
87
Fig18 Growth promotion by the endophytic Penicillium in tomato
EP
88
377 Effect of endophytic Penicillium in soil amended with cotton cake in
inhibition of root diseases and tomato growth
In this experiment 25 ml of five-day-old cell suspension of fourteen isolates of
endophytic Penicillium viz P citrinum Plilacinum Ppurpurogenum (EPSML3)
Pnigricans Pregulosum P decumbens Ppurpurogenum (EPEHS7) P restrictum
Pduclauxi Pasperum Pthomii Plividum Pjavanicum and Ppurpurogenum
(EPAER14) were applied in each pots filled 1 Kg soil In same other set endophytic
Penicillium were applied in each pots alongwith 10g neem cake per pot Three-week-old
four equal sized tomato (Solanum Lycopersicum) seedlings grown in autoclaved soil
were shifted in pots Carbendazim (200 ppm) 25 ml pot was considered as positive
control Treatments were replicated four times and data were recorded after 60 days
Application of endophytic P decumbens P citrinum Pduclauxi and P
restrictum alone affected a broad inhibition of Foxysporum infection Whereas
Pregulosum was found no infection of Foxysporum when used with cotton cake (Table
22) Endophytic Penicillium are found effective against Fsolani in natural soil In
cotton cake amended soil Pnigricans and Pduclauxi showed significant reduction in
Fsolani infection When P decumbens and Pduclauxi were used alone Infection of M
phaseolina was significantly reduced In cotton cake amended soil Pregulosum P
citrinum Plilacinum Ppurpurogenum (EPSML3) and Plividum showed no infection
of M phaseolina Difference in R solani infection among plants received different
treatment was non-significant in natural soil and in cotton cake amended soil no
infection of Rsolani was found (Table 22)
89
Table 22 Effect of endophytic Penicillium and cotton cake on the infection of Fusarium solani Foxysporum Rhizoctonia solani and
Macrophomina phaseolina on tomato roots in green house experiment
Infection
Treatments Code Foxysporum
Fsolani
M phaseolina Rsolani
NS AS NS AS NS AS NS AS
Control hellip 437 50 625 25 312 62 312 0
Carbendazim hellip 562 437 312 187 875 125 375 0
P decumbens EPAIR6 0 62 62 562 1875 187 75 0
Pnigricans EPSLR4 312 62 187 187 375 62 687 0
Pregulosum EPAAR5 25 0 437 437 312 0 437 0
P citrinum EPSMR1 0 62 62 562 625 0 75 0
Plilacinum EPSMS2 50 187 437 375 375 0 687 0
Ppurpurogenum EPSML3 50 187 437 62 437 0 437 0
Pduclauxi EPASS9 0 562 62 562 187 25 50 0
Plividum EPMCL12 50 187 437 375 375 0 687 0
Ppurpurogenum EPEHS7 62 125 312 437 375 125 375 0
Prestrictum EPCTS8 0 625 187 312 25 62 562 0
Pthomii EPAER11 187 312 312 25 50 125 562 0
Ppurpurogenum EPAER14 62 125 312 437 375 125 375 0
Pjavanicum EPSLR13 312 62 187 187 375 62 687 0
Pasperum EPHAL10 62 125 125 50 25 62 812 0
LSD005 Treatment=5691 Pathogen=2842 Soil Type=2013
1Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
3Mean values in the NS and AS column showing difference greater than LSD value are significantly different at plt005
NS= Natural Soil AS=Amended Soil
90
Plants grown in natural soil received P decumbens Pnigricans Pduclauxi
Ppurpurogenum (EPAER14) and Pjavanicum fungal culture showed better growth
than untreated control P restrictum with cotton cake showed highly significant plant
height Pnigricans and Pjavanicum showed greater fresh shoot weight in amended
soil Root length in both type of soil was non-significant Whereas fresh root weight
was non-significant in natural soil In cotton cake amended soil Pduclauxi showed
significant fresh root weight (Table 23 and Fig21)
378 Effect of endophytic Penicillium with neem cake in inhibition of root
diseases and chickpea growth
Fourteen isolates of endophytic Penicillium viz P citrinum Plilacinum
Ppurpurogenum (EPSML3) Pnigricans Pregulosum Pdecumbens Ppurpurogenum
(EPEHS7) P restrictum Pduclauxi Pasperum Pthomii Plividum Pjavanicum and
Ppurpurogenum (EPAER14) caused suppression of four root rotting fungi in vitro A
25ml cell suspension of five-day-old culture of fungal isolates were drench in each pots
filled with 1kg soil Carbendazim considered as positive control against root rotting
fungi Combine use of endophytic Penicillium and 1 Neem cake were drenched in
another same set Chickpea (Cicer arietinum) seeds were sown in pots (6 seeds per pot)
After one week four seedlings were kept in each pots and extra were detached
Treatments were replicated four times and watered daily Data were recorded after six
weeks
91
Table23 Effect of endophytic Penicillium and cotton cake on the growth of tomato in green house experiment
Treatments Code
Shoot
Length
Shoot
Length
Shoot
Weight
Shoot
Weight
Root
Length
Root
Length
Root
weight
Root
weight
(cm) (cm) (g) (g) (cm) (cm) (g) (g)
NS AS NS AS NS AS NS AS
Control hellip 12 1633 18 554 126 1757 155 105
Carbendazim hellip 1318 2232 177 666 943 2285 134 163
P decumbens EPAIR6 1672 205 243 539 1185 1225 057 125
Pnigricans EPSLR4 1681 225 247 83 1082 15 069 183
Pregulosum EPAAR5 1497 1978 211 548 1106 1046 05 153
P citrinum EPSMR1 1732 1912 297 512 922 9 064 155
Plilacinum EPSMS2 132 2347 193 741 1242 1298 052 156
Ppurpurogenum EPSML3 128 1725 171 465 1078 925 054 061
Pduclauxi EPASS9 1672 214 243 69 1185 153 057 237
Plividum EPMCL12 1307 2347 178 741 1242 1298 052 156
Ppurpurogenum EPEHS7 1307 2068 178 612 1242 1131 054 108
Prestrictum EPCTS8 1513 2467 191 828 135 1817 046 225
Pthomii EPAER11 1328 225 214 657 148 155 046 164
Ppurpurogenum EPAER14 1681 2068 178 612 1242 1131 048 108
Pjavanicum EPSLR13 1681 225 247 83 1082 15 069 183
Pasperum EPHAL10 1328 2101 18 525 1225 1095 06 135
LSD005 271 4291 0691 3281 3731 5851 1031 091
1 Difference greater than LSD values among means in column are significant at plt005
92
Fig 21 Growth promotion by the endophytic Penicillium in soil amended with cotton
cake in tomato
EP
93
Plants grown in pots received endophytic Penicillium isolates Ppurpurogenum
(EPSML3) and Pthomii in natural soil and in amended soil with neem cake P
decumbens Pnigricans Ppurpurogenum (EPSML3) Ppurpurogenum (EPEHS7)
Pjavanicum and Ppurpurogenum (EPAER14) showed no infection of F oxysporumIn
unamended soil Fsolani was found significantly reduced except isolate Pasperum
Whereas in amended soil infection of Fsolani was non significant In unamended soil
Mphaseolina was found significantly reduced Combine effect of isolates
Ppurpurogenum (EPSML3) Ppurpurogenum (EPEHS7) Ppurpurogenum (EPAER14)
and neem cake showed significant result on Mphaseolina infection Application of
Pregulosum P decumbens P restrictum Pduclauxi Pasperum and Pthomii showed
no infection of Rsolani in natural soil Amended soil with neem cake showed no
infection of Rsolani (Table 24)
Greater plant height was produced by P decumbens Pnigricans Pregulosum
and Pduclauxi when applied in natural soil Effect of P restrictum and P citrinum with
neem cake showed highest plant height Untreated control of amended soil showed
highest value of fresh shoot weight and fresh root weight related to other treatments
whereas fresh shoot weight in natural soil showed significant result in all treatments
except Pthomii P decumbens and Pduclauxi alone showed highest root length and
fresh root weight In amended soil Ppurpurogenum (EPAER14) showed significant
root length (Table 25 and Fig22-27)
94
Table24 Effect of endophytic Penicillium and neem cake on the infection of Fusarium solani Foxysporum Rhizoctonia solani and
Macrophomina phaseolina on chickpea roots in green house experiment
Infection
Treatments Code Foxysporum
Fsolani
M phaseolina Rsolani
NS AS NS AS NS AS NS AS
Control hellip 375 0 50 125 437 375 25 0
Carbendazim hellip 0 0 25 25 312 375 125 0
P decumbens EPAIR6 187 0 125 312 375 687 0 0
Pnigricans EPSLR4 125 0 312 437 375 562 375 0
Pregulosum EPAAR5 62 62 187 437 375 50 0 0
P citrinum EPSMR1 312 187 187 312 375 50 187 0
Plilacinum EPSMS2 62 62 437 125 62 625 25 0
Ppurpurogenum EPSML3 0 0 375 25 62 312 62 0
Pduclauxi EPASS9 187 375 125 25 375 50 0 0
Plividum EPMCL12 62 62 437 125 62 625 25 0
Ppurpurogenum EPEHS7 187 0 25 375 125 312 62 0
Prestrictum EPCTS8 375 375 25 25 125 50 0 0
Pthomii EPAER11 0 187 437 187 62 25 0 0
Ppurpurogenum EPAER14 187 0 25 375 125 312 62 0
Pjavanicum EPSLR13 312 0 187 43 312 562 375 0
Pasperum EPHAL10 125 62 50 125 125 812 0 0
LSD005 Treatment=4901 Pathogen=2452 Soil Type=1733
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
3Mean values in the NS and AS column showing difference greater than LSD value are significantly different at plt005
NS= Natural Soil AS=Amended Soil
95
Table25 Effect of endophytic Penicillium and neem cake on the growth of chickpea in green house experiment
Treatments Code Shoot Length Shoot Weight Root Length Root weight
(cm) (g) (cm) (g)
NS AS NS AS NS AS NS AS
Control hellip 2369 2225 274 837 274 975 211 303
Carbendazim hellip 239 2975 32 821 2187 1537 376 235
P decumbens EPAIR6 2925 2911 376 388 3037 1293 522 116
Pnigricans EPSLR4 293 3357 339 661 2331 1391 376 12
Pregulosum EPAAR5 2928 3315 332 633 2296 9 387 117
P citrinum EPSMR1 267 3384 313 668 2397 975 394 098
Plilacinum EPSMS2 2768 2801 31 698 2155 1132 35 109
Ppurpurogenum EPSML3 2587 3332 3075 738 267 137 432 141
Pduclauxi EPASS9 2925 2911 376 388 3037 1293 522 116
Plividum EPMCL12 2768 2801 31 698 2155 1132 35 109
Ppurpurogenum EPEHS7 2698 3077 326 506 2202 1565 413 139
Prestrictum EPCTS8 2667 3384 3205 668 2735 975 351 098
Pthomii EPAER11 239 30 296 799 2416 1062 427 125
Ppurpurogenum EPAER14 2698 3077 326 506 2202 1565 413 139
Pjavanicum EPSLR13 2618 3357 341 661 2587 1391 438 12
Pasperum EPHAL10 2856 2891 344 763 1921 1352 306 13
LSD005 471 4931 0941 3331 7321 5451 1611 11071
1 Difference greater than LSD values among means in column are significant at plt005
NS= Natural Soil AS=Amended Soil
96
Fig22 Growth promotion by the endophytic Penicillium in chickpea
Fig23 Growth promotion by the endophytic Penicillium in chickpea
EP
S
EP
97
Fig24 Growth promotion by the endophytic Penicillium in chickpea
EP
EP
98
Fig25 Growth promotion by the endophytic Penicillium in soil amended with neem cake
in chickpea
Fig 26 Growth promotion by the endophytic Penicillium in soil amended with neem cake
in chickpea
EP
EP
99
Fig27 Growth promotion by the endophytic Penicillium in soil amended with neem cake
in chickpea
379 Effect of endophytic Penicillium with mustard cake in suppressing the root
diseases and growth of chickpea
Fourteen isolates of endophytic Penicillium viz P citrinum Plilacinum
Ppurpurogenum (EPSML3) Pnigricans Pregulosum P decumbens Ppurpurogenum
(EPEHS7) P restrictum Pduclauxi Pasperum Pthomii Plividum Pjavanicum and
Ppurpurogenum (EPAER14) caused suppression of four root rotting fungi in vitro A
25ml cell suspension of five-day-old culture of fungal isolates were drench in each pots
filled with 1kg soil Carbendazim considered as positive control against root rotting
fungi Combine use of endophytic Penicillium and 1 mustared cake were drenched in
another same set Chickpea (Cicer arietinum) seeds were sown in pots (6 seeds per pot)
After one week four seedlings were kept in each pots and extra were detached
Treatments were replicated four times and watered daily Data were recorded after six
weeks
Root rot fungi infection was less in amended soil as compared to unamended
soil No infection of Foxysporum was found in Ppurpurogenum (EPSML3) and
Pthomii in unamended soil P citrinum Ppurpurogenum (EPSML3) Pnigricans
Pregulosum P decumbens Ppurpurogenum (EPEHS7) Pduclauxi Pjavanicum and
Ppurpurogenum (EPAER14) with mustard cake amendment showed complete
suppression of Foxysporum P decumbens and Ppurpurogenum (EPSML3) in
amended soil showed less infection of Fsolani while Plividum showed 100 infection
of Fsolani in amended soil Infection of M phaseolina in unamended soil was
significant whereas in amended soil untreated control showed no infection of M
phaseolina Treatment of Pthomii and Ppurpurogenum (EPAER14) in mustard cake
amended soil showed less infection of R solani while P citrinum Pnigricans
Pregulosum Pduclauxi Pjavanicum and Plividum showed non-significant result
(Table 26)
100
Natural soil showed greater plant height as compared to mustard cake amended
soil Pnigricans showed greater plant length as compared to other treatments In
amended soil plant height was non-significant statisticaly (Table 27)
101
Table 26 Effect of endophytic Penicillium and mustard cake on the infection of Fusarium solani Foxysporum Rhizoctonia solani and
Macrophomina phaseolina on chickpea roots in green house experiment
Infection
Treatments Code Foxysporum Fsolani M phaseolina Rsolani
NS AS NS AS NS AS NS AS
Control hellip 375 125 50 312 437 0 25 187
Carbendazim hellip 0 125 25 437 312 62 125 125
P decumbens EPAIR6 187 0 125 62 375 0 0 0
Pnigricans EPSLR4 125 0 312 437 375 187 375 437
Pregulosum EPAAR5 62 0 187 312 375 187 0 25
P citrinum EPSMR1 312 0 187 625 375 187 187 312
Plilacinum EPSMS2 62 62 437 50 62 25 25 125
Ppurpurogenum EPSML3 0 0 375 6 62 0 62 125
Pduclauxi EPASS9 187 0 125 625 375 62 0 312
Plividum EPMCL12 62 62 437 100 62 25 25 312
Ppurpurogenum EPEHS7 187 0 25 187 125 0 62 125
Prestrictum EPCTS8 375 62 25 125 125 125 0 62
Pthomii EPAER11 0 62 437 125 62 62 0 62
Ppurpurogenum EPAER14 187 0 25 187 125 125 62 125
Pjavanicum EPSLR13 312 0 187 312 31 187 375 437
Pasperum EPHAL10 125 0 50 187 125 0 0 0
LSD005 Treatment=4461 Pathogen=2232 Soil Type=1583
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
3Mean values in the NS and AS column showing difference greater than LSD value are significantly different at plt005
NS= Natural Soil AS=Amended Soil
102
Table 27 Effect of endophytic Penicillium and mustard cake on the growth of chickpea in green house experiment
Treatments Code Shoot Length Shoot Weight Root Length Root weight
(cm) (g) (cm) (g)
NS AS NS AS NS AS NS AS
Control hellip 2369 2188 274 406 274 692 211 58
Carbendazim hellip 239 2134 32 42 2187 937 376 499
P decumbens EPAIR6 2925 1525 376 288 3037 75 522 53
Pnigricans EPSLR4 293 1955 339 476 2331 758 376 137
Pregulosum EPAAR5 2928 1907 332 633 2296 875 387 1238
P citrinum EPSMR1 267 1916 313 556 2397 756 394 1172
Plilacinum EPSMS2 2768 1929 31 417 2155 946 35 383
Ppurpurogenum EPSML3 2587 12 3075 241 267 65 432 532
Pduclauxi EPASS9 2925 192 376 561 3037 1115 522 819
Plividum EPMCL12 2768 1929 31 417 2155 946 35 383
Ppurpurogenum EPEHS7 2698 1787 326 55 2202 925 413 734
Prestrictum EPCTS8 2667 185 3205 315 2735 45 351 099
Pthomii EPAER11 239 2305 296 626 2416 9 427 931
Ppurpurogenum EPAER14 2698 1787 326 55 2202 925 413 739
Pjavanicum EPSLR13 2618 2305 341 626 2587 9 438 931
Pasperum EPHAL10 2856 1662 344 582 1921 925 306 834
LSD005 471 6131 0941 3011 7321 2921 1611 6151
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
NS=NaturalSoilAS=AmendedSoil
103
3710 Effect of endophytic Penicillium and fungicides in inhibition of root infection
and sunflower growth
Four isolates of endophytic Penicillium viz P citrinum (EPSMR1) Pnigricans
(EPSLR4) P decumbens (EPAIR6) and Pasperum (EPHAL10) caused suppression of
four root rotting fungi in vitro and revealed significant growth in in vivo were selected to
evaluate the combine effect with three different fungicides (Feast-M Carbendazim and
Topsin-M) A 25ml five-day-old cell suspension of fungal isolates were applied in pots
filled with 1kg soil In same other set pots were also applied combine application of
endophytic Penicillium and fungicides Each fungicide were also drench 25ml of 200ppm
in each pot Sunflower (Helianthus annuus) seeds were sown in pot (6 seeds per pot)
After one week four seedlings were kept in pots and extra were detached Treatments were
replicated four times and watered according to requirement Data were recorded after six
weeks
All three fungicides alone showed no infection of F oxysporum Plants grown in pots
received endophytic Penicillium isolate P decumbens and Pasperum with Feast-M showed
no infection of infection of F oxysporum Plants grown in pots received endophytic
Penicillium isolate Pnigricans with carbendazim and Pnigricans and P citrinum with
Topsin-M showed complete suppression of infection of F oxysporum All treatments
showed less infection of Fsolani as compared to control All treatments showed less
infection of Mphaseolina as compared to untreated control except P citrinum Pnigricans
alone and P decumbens Pasperum combine with Topsin-M showed 100 Mphaseolina
infection on sunflower roots Combine effect of Pasperum with Topsin-M and P citrinum
alone showed no infection of Rsolani Feast-M+ Pasperum and carbendazim showed no
difference from untreated control (Table 28)
Greater plant height was produced by carbendazim+ Pnigricans However greater
fresh shoot weight was produced by Feast-M alone (Table 29)
104
Table 28 Effect of endophytic Penicillium and fungicides on the infection of Fusarium solani Foxysporum Rhizoctonia solani and
Macrophomina phaseolina on sunflower roots in green house experiment
Infection
Treatments Foxysporum Fsolani M phaseolina Rsolani
Control 75 100 100 75
Feast-M 0 37 687 625
Feast-M+ P citrinum 62 75 625 687
Feast-M+ Pnigricans 187 812 687 687
Feast-M+ P decumbens 0 312 50 625
Feast-M+ Pasperum 0 50 81 75
Carbendazim 0 812 75 75
Carbendazim+P citrinum 62 562 87 687
Carbendazim+ Pnigricans 0 75 625 187
Carbendazim+P decumbens 62 812 812 687
Carbendazim+ Pasperum 187 562 75 312
Topsin-M 0 437 812 62
Topsin-M+ P citrinum 0 812 437 125
Topsin-M+ Pnigricans 0 75 312 437
Topsin-M+P decumbens 687 687 100 25
Topsin-M+ Pasperum 875 25 100 0
P citrinum 437 687 100 0
Pnigricans 125 812 100 62
P decumbens 187 50 437 187
Pasperum 125 50 562 125
LSD005 Treatment=11271 Pathogen=5042
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
105
Table 29 Effect of endophytic Penicillium and fungicides on the growth of sunflower in green house experiment
Treatments ShootLength ShootWeight Root Length Root weight
Control 3197 339 288 288
Feast-M 4269 451 526 526
Feast-M+ P citrinum 4024 367 434 434
Feast-M+ Pnigricans 4008 347 381 381
Feast-M+ P decumbens 4137 348 513 513
Feast-M+ Pasperum 3685 341 492 492
Carbendazim 3675 319 398 398
Carbendazim+ P citrinum 3933 326 464 464
Carbendazim+ Pnigricans 394 323 466 466
Carbendazim+ P decumbens 3807 315 527 527
Carbendazim+ Pasperum 3729 259 47 47
Topsin-M 3935 314 383 383
Topsin-M+ P citrinum 3353 264 388 388
Topsin-M+ Pnigricans 3386 299 427 427
Topsin-M+ P decumbens 337 229 409 409
Topsin-M+ Pasperum 3249 264 433 433
P citrinum 3268 249 432 432
Pnigricans 2788 201 401 401
P decumbens 3421 3007 446 446
Pasperum 3262 229 363 363
LSD005 5751 0811 1041 1041
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
106
3711 Effect of endophytic Penicillium on okra growth
In this experiment six seeds of okra (Abelmoschus esculentus) were sown in
earthen pots filled with 5 kg garden soil and watered watered daily to gained the 50
WHC (Keen and Raczkowiski 1921) P nigricans (EPSLR4) P rugulosum (EPAAR5)
and P decumbens (EPAIR6) (8x107 cfumL) used as soil drench in each pot and four
seedlings were kept after germination Treatments were replicated four times in screen
house Carbendazim was considered as a positive control and data were recorded after 90
days of germination
Treatments showed significant (Plt005) reduction of F solani and R solani
related to control (Table 30)
Application of P rugulosum resulted maximum plant height highest shoot weight
and root length while maximum root weight produced due to the treatment of carbendazim
and P decumbens Maximum number of fruits produced by Pnigricans and P decumbens
resulted highest fresh fruit weight(Table 31)
Highest polyphenol content resulted by Pnigricans and highest antioxidant activity
determined due to the drenching of Pnigricans after 1 minute and after 30 minute
Application of P rugulosum resulted maximum production of salicylic acid (Table 31)
Application of antagonist showed significant outcome on okra fruits Highest pH
showed by Pnigricans Application of P decumbens resulted highest tritable acidity value
then in Pnigricans and P rugulosum (Table 33) Application of carbendazim resulted
highest moisture content then in P rugulosum in fruits Maximum protein resulted by P
rugulosum then in P decumbens while highest carbohydrate caused by P decumbens
then in Pnigricans All the treatments showed significant (Plt005) Increased polyphenol
content showed by all treatments as compared to control (Table 34) P decumbens
resulted highest polyphenol followed by P rugulosum as compared to untreated plants P
rugulosum resulted significant improve in antioxidant potentail(Fig28)
107
Table30 Effect of endophytic Penicillium as soil drench on the infection of Macrophomina phaseolina Rhizoctonia solani Fusarium
solani and F oxysporum in garden soil
Infection
Treatments Foxysporum Fsolani M phaseolina Rsolani
Control 0 50 625 50
Carbendazim 0 125 100 312
P decumbens 0 0 625 312
Pnigricans 0 62 50 125
P rugulosum 0 187 562 25
LSD005 Treatment=14321 Pathogen=12802
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
108
Table31 Effect of endophytic Penicillium as soil drench on growth of okra plants in garden soil
Treatments Shoot Length Shoot Weight Root Length Root Weight Number of
Fruits Fruit weight
(cm) (g) (cm) (g)
Control 3831 1058 1596 305 023c 708c
Carbendazim 3421 832 1659 546 045b 683c
P decumbens 4523 1167 1756 438 052a 1106a
Pnigricans 4265 1172 1794 188 054a 894b
P rugulosum 4592 1295 1967 2405 025c 533d
LSD005 511 4281 3431 581 00261 04841
1 Difference greater than LSD values among means in column are significant at plt005
109
Table32 Effect of endophytic Penicillium as soil drench on polyphenol salicylic acid and antioxidant activity of okra plants in garden
soil
Treatments Polyphenol Antioxidant () Salicylic Acid
microgml After 1 minute After 30 minutes microgml
Control 137e 2711e 2878e 0053d
Carbendazim 172d 4608d 4908d 0048e
P decumbens 308c 4974c 5256c 0093c
Pnigricans 424a 5744a 6229a 0116b
P rugulosum 364b 5393b 5859b 0161a
LSD005 00311 01361 04211 00041
1 Difference greater than LSD values among means in column are significant at plt005
110
Table33 Effect of endophytic Penicillium as soil drench on biochemical parameters of ok ra fruits
Treatments pH Tritable acidity Moisture content Total solids Total Soluble Solid
Sucrose
Control 587c 0087c 8668d 1353b 245d
Carbendazim 585c 013b 9175a 803e 257c
P decumbens 59c 0194a 8434e 1559a 31a
Pnigricans 629a 0128b 8715c 1287c 28b
P rugulosum 605b 0128b 8808b 1185d 317a
LSD005 0121 000571 0211 01031 0121
1 Difference greater than LSD values among means in column are significant at plt005
111
Table 34 Effect of endophytic Penicillium as soil drench on polyphenol antioxidant activity protein and carbohydrates of okra fruits
in garden soil
Treatments Antioxidant Polyphenol Protein Carbohydrates
microgml microgml microgml
Control 2647e 665e 13e 69d
Carbendazim 3575d 734d 27d 86c
P decumbens 4906c 1613a 5263b 1033a
Pnigricans 5115b 96c 39c 99b
P rugulosum 5631a 122b 5566a 9833b
LSD005 10591 01441 21941 3711
1 Difference greater than LSD values among means in column are significant at plt005
112
3712 Effect of endophytic Penicillium on the growth root rotting fungi and
induction of systemic resistance in tomato
Filled earthen pots with 5 kg of soil and watered according to requirement to
maintain 50 WHC (Keen and Raczkowiski 1921) P nigricans (EPSLR4) P
rugulosum (EPAAR5) and P decumbens (EPAIR6) (8x107 cfumL) used as soil drench
Four equal sized seedlings of tomato were transfered in pots Treatments were four time
replicated Carbendazim was considered as a positive control and data were recorded
after 90 days
Most of the treatment showed significant (Plt005) results of R solani F solani
and M phaseolina as relation to control plants (Table 35)
Application of Pnigricans showed highest plant height shoot weight by P
decumbens Maximum number of fruits produced by Pnigricans and P decumbens
resulted highest fresh fruit weight(Table 36)
P rugulosum showed improved polyphenol as compare to control plants
Highest antioxidant activity resulted by P decumbens and carbendazim after 1 minute
and after 30 minute P rugulosum showed highest antioxidant activity Application of
Pnigricans and P decumbens resulted maximum production of salicylic acid (Table
37)
Application of endophytic Penicillium showed significant effect on tomato
fruits Highest pH noticed when soil treated with Pnigricans and P decumbens
Maximun tritable acidity produced by P decumbens (Table 38) Highest protein
produced by P rugulosum then in P decumbens while carbohydrate resulted by
Pnigricans followed by P decumbens All the treatments showed increase polyphenol
content as compare to control (Table 39) Pnigricans showed significant enhancment in
antioxidant activity related to control
113
Table35 Effect of endophytic Penicillium as soil drench on the infection of Macrophomina phaseolina Rhizoctonia solani Fusarium
solani and F oxysporum in garden soil
Infection
Treatments Foxysporum Fsolani M phaseolina Rsolani
Control 312 100 937 562
Carbendazim 187 125 625 0
P decumbens 437 62 312 0
Pnigricans 312 0 187 25
P rugulosum 187 0 187 312
LSD005 Treatment1=1455 Pathogen2=1302
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
114
Table36 Effect of endophytic Penicillium as soil drench on growth of tomato plants in garden soil
Treatments Shoot Length Shoot Weight Root Length Root Weight Number of Fruits Fruit weight
(cm) (g) (cm) (g)
Control 52 1974 1816 35 30a 5801b
Carbendazim 4646 1322 1629 237 20c 4083a
P decumbens 443 2161 1283 418 2133c 995a
Pnigricans 55 1892 1561 315 32a 4286d
P rugulosum 5197 1695 1205 334 256b 4779c
LSD005 1481 18611 5391 4011 3781 0131
1 Difference greater than LSD values among means in column are significant at plt005
115
Table 37 Effect of endophytic Penicillium as soil drench on polyphenol salicylic acid and antioxidant activity of tomato plants in
garden soil
Treatments Polyphenol Antioxidant () Salicylic Acid
microgml After 1 minute After 30 minutes microgml
Control 090a 40a 139a 014a
Carbendazim 019a 49a 127a 018a
P decumbens 0076a 44a 131a 019a
Pnigricans 0076a 33a 103a 019a
P rugulosum 0108a 33a 292a 017a
LSD005 01081 01671 0301 00791
1 Difference greater than LSD values among means in column are significant at plt005
116
Table 38 Effect of endophytic Penicillium as soil drench on biochemical parameters of tomato fruits
Treatments pH Tritable acidity Firmness Total Soluble Solid
N Sucrose
Control 411c 023c 34a 323c
Carbendazim 418b 027bc 143b 806a
P decumbens 43a 034a 076b 676ab
Pnigricans 43a 030ab 126bc 613b
P rugulosum 418b 030ab 086bc 686ab
LSD005 00621 00541 0211 1311
1 Difference greater than LSD values among means in column are significant at plt005
117
Table 39 Effect of endophytic Penicillium as soil drench on polyphenol antioxidant activity protein and carbohydrates of tomato
fruits in garden soil
Treatments Antioxidant Polyphenol Protein Carbohydrates
microgml microgml microgml
Control 1966c 573e 16d 63a
Carbendazim 333b 756d 28c 78a
P decumbens 503a 1853a 51a 104a
Pnigricans 52a 1026c 41b 97a
P rugulosum 496a 125b 52a 96a
LSD005 5591 0471 5771 2391
1 Difference greater than LSD values among means in column are significant at plt005
118
38 FIELD EXPERIMENTS
381 Effect of Pseudomonas monteilii and endophytic Penicillium on okra growth in
field condition
The experiment carried out in 2 times 2 meter field and replicated four times Cell
suspension of endophytic Penicillium (8x107 cfumL) were drench at 200-ml per meter row
alone and in combination with Pseudomonas monteilii 20 seeds of okra were seeded in
rows Topsin-M at 200 ppm were also used alone as a positive control On the basis upon
the requirement plants were watered with difference of 2-3 days The field had infestation
of 2080 cfug of soil of a diverse population of F solani and F oxysporum 10-22
sclerotia of M phaseolina g of soil and 8-17 colonization of R solani on sorghum
seeds used as baits naturally To evaluate the potential of Pseudomonas monteilii and
endophytic Penicillium plants were harvested (form each row 4 plants took) after 45 and
90 days of germination Incidence of root rotting fungi plant physical parameters and
resistance biomarkers were recorded
Significant (Plt005) inhibition of F oxysporum showed by most of treatments as
compere to control except P rugulosum P decumbens + Pseudomonas monteilii and
Topsin-M after 45 days (Table 40) Maximum reduction of Fsolani were observed in
plants treated with Pseudomonas monteilii and Pnigricans + Pseudomonas monteilii after
45 days While maximum reduction of M phaseolina observed in application of P
rugulosum+ Pseudomonas monteilii after 45 days Application of P rugulosum+
Pseudomonas monteilii and Pnigricans showed maximum reduction of Rsolani after 45
days
Highest length of shoot and weight of shoot were observed in plants Maximum
plant hieght were observed after 45 and 90 days intervals with mixed application of
Pnigricans with Pseudomonas monteilii Highest weight of shoot were also observed in
combine application of Pnigricans with Pseudomonas monteilii after 45 and 90 days
while application of Pseudomonas monteilii resulted maximum length of root after 45
days Significant increase in root length produced after 90 days from combine application
of Pnigricans with Pseudomonas monteilii Highest root weight resulted from combine
119
application of Pnigricans with Pseudomonas monteilii after 45 and 90 days Combine
application of P decumbens with Pseudomonas monteilii resulted highest number and
weight of fruits produced after 90 days (Table 41)
After 45 days most of the treatments shown significantly high phenols except
Topsin-M Most of the treatments shown maximum antioxidant activity significantly
except P rugulosum after 1 minute whereas maximum antioxidant activity showed by
Pseudomonas monteilii after 30 minutes P decumbens showed maximum production of
salicylic acid after 45 days (Table 42)
All the treatment showed significant effect on phenolic content except Topsin-M
and P decumbens whereas all the treatment showed significant effect on antioxidant
activity except Topsin-M and P decumbens with Pseudomonas monteilii after 1 and 30
minutes after 90 days Maximum production of salicylic acid showed in combine treatment
of Pnigricans with Pseudomonas monteilii after 90 days (Table 43)
In this experiment combine application of Pseudomonas monteilii and endophytic
Penicillium showed significant increase in physiobiochemical of okra fruits Combine
activity of Pnigricans + Pseudomonas monteilii resulted highest antioxidant activity in
fruits followed by Pseudomonas monteilii alone Highest polyphenol content resulted due
to the application of Pseudomonas monteilii followed by combine application of P
rugulosum with Pseudomonas monteilii Protein were showed maximum in combine
application of P decumbens with Pseudomonas monteilii and Pseudomonas monteilii
alone (Table 44) On the other side carbohydrate content observed highest in combine
application of P rugulosum with Pseudomonas monteilii Application of Pseudomonas
monteilii resulted maximum of total solids whereas combination of P rugulosum with
Pseudomonas monteilii produced highest of moisture Significant increase in pH showed
by Topsin-M followed by combination of Pnigricans with Pseudomonas monteilii and
maximum tritable acidity was showed by P decumbens (Table 45)
120
Table 40 Effect of Pseudomonas monteilii and endophytic Penicillium as soil drench on the infection of M phaseolina Rsolani F
solani and F oxysporum in soil under field condition
Infection
Treatments Foxysporum Fsolani M phaseolina Rsolani
45 90 45 90 45 90 45 90
Control 375 0 562 312 937 100 562 0
Topsin-M 375 0 625 25 937 100 687 0
Pseudomonas monteilii 25 62 25 312 875 100 625 0
P decumbens 62 0 50 375 68 100 375 0
Pnigricans 125 187 562 687 875 100 312 0
P rugulosum 312 62 562 375 812 100 437 0
P rugulosum + Pseudomonas monteilii 187 12 312 50 625 937 312 0
P decumbens + Pseudomonas monteilii 312 62 437 25 812 687 562 0
Pnigricans + Pseudomonas monteilii 62 125 25 375 687 625 75 0
LSD005 Treatments1= 8931 Pathogens2=5952 Treatments1=13341 Pathogens2=8 892
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
121
Table 41 Effect of Pseudomonas monteilii and endophytic Penicillium as soil drench on growth of okra plants under the field
condition
Treatments Shoot Length
(cm)
Shoot Weight
(g)
Root Length
(cm)
Root Weight
(g)
Number
of Fruits
Fruit
weight
Control 45 90 45 90 45 90 45 90 90 90
Topsin-M 4178 6192 2228 4325 1368 2426 204 823 086g 246i
Pmontelii 422 6375 1765 4731 1267 2377 133 98 12f 31h
Penicillium decumbens 477 6861 2271 507 1839 2684 255 1056 246b 456d
P nigricans 4233 6617 1971 4887 1486 2578 167 1003 143e 1146a
Prugulosum 4866 7083 1635 5095 1378 2311 172 967 176d 331g
P rugulosum 4373 7026 2063 2051 1371 2464 169 709 123f 35f
P rugulosum + P monteilii 5768 8658 3164 5518 1167 3008 207 1208 143e 42e
P decumbens + P monteilii 5553 9499 1867 5897 1409 2938 187 1217 277a 661b
Pnigricans + P monteilii 5907 9867 4043 6095 14 3188 296 1923 22c 623c
LSD005 961 1321 131 1181 3551 1371 0831 2961 0111 0111
1 Difference greater than LSD values among means in column are significant at plt005
122
Table 42 Effect of Pseudomonas monteilii and endophytic Penicillium as soil drench on polyphenol salicylic acid and antioxidant
activity of okra plants in soil under field condition after 45 days
Treatments
Polyphenol
microgml
Antioxidant () Salicylic Acid
microgml After 1 minute After 30 minutes
Control 183h 7314e 7721e 007f
Topsin-M 146i 9119a 9886a 0113d
Pseudomonas monteilii 321f 784d 8466d 0144c
P decumbens 245g 6639g 6858g 0168a
Pnigricans 573c 8044c 8852c 0084e
P rugulosum 474d 7074f 7643f 0154bc
P rugulosum + P monteilii 336e 5045i 6038h 0105d
P decumbens + P monteilii 713b 5186h 5779i 0086e
Pnigricans + P monteilii 773a 8356b 8992b 0165ab
LSD005 00721 10191 06531 00121
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
123
Table 43 Effect of Pseudomonas monteilii and endophytic Penicillium as soil drench on polyphenol salicylic acid and antioxidant
activity of okra plants in soil under the field condition after 90 days
Treatments Polyphenol
microgml
Antioxidant () Salicylic Acid
microgml After 1 minute After 30 minutes
Control 25def 6656e 7135f 0038g
Topsin-M 183f 4922f 5575g 0074bc
Pseudomonas monteilii 326cde 8345a 8885a 0052e
P decumbens 226ef 7804b 8539b 0072c
Pnigricans 52b 7726c 8233c 0066d
P rugulosum 41c 7165d 7851d 0042f
P rugulosum + P monteilii 343cd 7744c 8241c 0066d
P decumbens + P monteilii 683a 3254g 4917h 0077b
Pnigricans + P monteilii 74a 6852e 7604e 0105a
LSD005 10061 05191 04731 0003081
1 Difference greater than LSD values among means in column are significant at plt005
124
Table44 Effect of Pseudomonas monteilii and endophytic Penicillium as soil drench on polyphenol antioxidant activity protein and
carbohydrates of okra fruits in soil under field condition
Treatments Antioxidant Polyphenol Protein Carbohydrate
microgml microgml microgml
Control 5102g 646g 1466g 5966f
Topsin-M 5514f 716f 2566f 67e
Pseudomonas monteilii 6662b 136a 6766a 126a
P decumbens 5933d 976d 56d 101b
Pnigricans 5838d 816e 43e 92d
P rugulosum 6521c 114c 59c 96c
P rugulosum + P monteilii 5659e 124b 66b 102b
P decumbens + P monteilii 6616bc 11c 6766a 100b
Pnigricans + P monteilii 6909a 86e 56d 97c
LSD005 10451 06241 14081 2471
1 Difference greater than LSD values among means in column are significant at plt005
125
Table 45 Effect of Pseudomonas monteilii and endophytic Penicillium as soil drench on
biochemical parameters of okra fruits under field condition
Treatments pH
Tritable
acidity
Moisture
content
Total
solids
Total Soluble
Solid
Sucrose
Control 624a 0102c 8774b 1222f 1425e
Topsin-M 619ab 0126b 8653e 1339b 1475e
Pseudomonas monteilii 615b 0124b 8458f 1522a 2975d
P decumbens 606d 0185a 8632e 1355b 3125cd
Pnigricans 613bc 0127b 8752bcd 1249de 33bc
P rugulosum 607cd 0124b 8735cd 1256d 302d
P rugulosum + P monteilii 606d 0123b 8842a 117g 375a
P decumbens + Pmonteilii 603d 0122b 876bc 1233ef 342b
Pnigricans + P monteilii 616b 0125b 8723d 128c 305d
LSD005 00641 00041 03021 0171 02221
1 Difference greater than LSD values among means in column are significant at plt005
126
127
128
4 DISCUSSION
Microbes and Higher plants are the rich source of novel drugs In last 50 years
numerous effective drugs primarily extracted from fungi have been discoverd
(Smedsgaard and Nielsen 2005) Among them many bioactive compounds have been
produced from endophytes also known as an exceptional source as its capability to
inhabitate the plants in every environmental condition (Strobel and Daisy 2003) In
current study 14 endophytic Penicillium isolates were isolated (root stem and leaves)
from wild plants (Achyranthus aspera Atriplex stocksii Euphorbia hirta Chorchorus
tridens) and cultivated plant (Solanum melongena Lycopersicon esculentum
Helianthus annuus Azadirachta indica Abelmoschus esculentus Momordica
charantia) collected from different parts of Sindh province These findings is an
agreement to the earlier reports about the existence of Penicillium as endophyte
(Korejo et al 2014) Similar as (Ravindran et al 2012) A flavus from
mangrovesreported as an endophytes also
The microbes exist inter andor intra celluler of plant called ldquoendophytesrdquo
Endophytes gives variety of advantages to the host with vast applications in agriculture
and medicine (Clay and Rudgers 2005 Alvarez-Loayza 2011) Endophytes reside
inside the plant effects on plant health and survival They give strenght against abiotic
and biotic stresses and take nourishment from the plant Almost all vascular plants
studied till date have endophytic fungi in parts of their life cycle Plant pathogens and
pests are comparatively less attacked medicinal plants therefore endophytic micro-biota
can be of boundless significance in protecting plants from pests (Kaushik 2012)
Several studies on synthesis of secondry metabolites isolated from endophytic
fungi have found Among them some compounds used to discover new therapeutic
drugs (Strobel et al 2004) About 300000 plant species presented on land having
atleast one or more of fungi From many different plants including trees like yew and
pine and fodders like sorghum clover alfalfa and vegetables like tomatoes carrot
radish sweet potatoes lettuce and soybean fruits like citrus pineapple banana
pineapple and cereal grains like wheatrice and maizeand other crops like sugarcane
129
coffee and marigold have been examined for endophytes (Rosenblueth and Romero
2006) Several plants of medicinal importance such as Actinidia macrosperma (wild
kiwifruit) Ricinus communisTectona grandis Samanea saman Garcinia Picrorhiza
kurroa Cannabis sativa Withania somnifera Rauwolfia serpentine Cedrus deodara
Abies pindrow Pinus roxburgii Nothapodytes nimmoniana Platanus orientalis
Artemisia annua Brucea javanica M sieboldii and Calotropis procera have been
studied for endophytes Species of Alternaria Colletotrichum Aspergillus Fusarium
Gliocladium Cunninghamella Phomopsis Alternaria Fusarium Chaetomium
Nigrospora Cladosporium Alternaria Fusarium Aspergillus Curvularia
Cladosporium sp Aspergillus sp Nigrospora sp Fusarium sp Trichoderma sp
Chaetomium sp Alternaria sp Paecilomyces sp and Phyllostica are frequently
isolated from many agricultural and native plant species as endophytic fungi (Rubini et
al 2005 Guo et al 2008 Veja et al 2008 Gazis and Chaverri 2010 Kurose et al
2012 Parsa et al 2016) and Penicillium (H Kim 2014 Hassan 2017 Gautam 2013
Meng 2011 Peterson 2005 Qader 2015 Devi 2014 Shoeb 2014 Yin Lu et al 2011
Sandhu et al 2014 Phongpaichit et al 2006ukanyanee et al 2006 Qadri et al
2013 Liang 2014Cai and Wang 2012 Sandhu et al 2014b Cai 2012 Qadri 2013
In current study most of the endophytic Penicillium isolated Endophytic fungi
identified according to Domsch et al (1980) Dugan (2006) Raper and Thom (1949)
Barnett and Hunter (1998) and Visagie et al (2014) Identification of the promising
isolates was done through PCR amplification
Endophytic Penicillium isolated and tested for vitro and vivo activity in current
report most of the isolates showed inhibitory potential for fungi (root rotting) Fungal
endophytes that have useful impact on plant growth as biocontrol agents because their
effect against disease by inhabiting internal tissues of plants (Yuan et al 2017
Amatuzzi 2017) Similar biological position as pathogenic microorganism Berg et al
(2005) But in difference to plant pathogens they do not cause injury to host plant and
go inside plants for taking nourishment (Kobayashi and Palumbo 2000) Various
research are existing regarding the valuable function of fungal endophytes like act as
antagonist to phytopathogens and enhance growth of several crops (Waqas et al 2015
130
Veja et al 2008 Bahar et al 2011 Mendoza and Sikora 2009) Moreover
commercial application of Aspergillus spp Penicillium spp and Chaetomium spp for
the making of bioactive compounds that reveal antimicrobial and fungicidal activities (
Wang et al 2012 Jouda et al 2014)
In crop plants fungal endophytes are slightly recognized to play a role in the
production of gibberellins and resistance to stress abiotically Abiotic stressors like
drought heat and salinity symbiotic fungi can help plants to minimize the effect of
these stresses (Rodriguez et al 2008) In coastal plants fungal strains of P
funiculosum and P janthinellum are produced resistance against salt stress (Khan et al
2011 2013) Endophytic P citrinum produced gibberellins for their plant host (Khan et
al 2008) For plant growing stages with leaf enlargement pollen growth seed
sprouting stem elongation gibberellins are essential (Achard et al 2009) and influence
the growth of plant and adjustment throughout the early stages Thus endophytic fungi
possibly support their host plant to take nutrients and also stimulate hosts
growth The Trichoderma spp as considered to a giver of resistance facilitating plant
protection (Rubini et al 2005 Verma et al 2007 Bailey et al 2009 Kurose et al
2012) In this report cell free filtrates of culture and their fractions of endophytic
Penicillium exposed significant Escherichia coli Staphylococcus aureus Salmonella
typhimurium antibacterial activity against Bacillus subtilis Staphylococcus aureus and
Pseudomonas aeruginosa by forming inhibition zone in disc diffusion method
Endophytic Penicillium are also effective against bacterial pathogens with root rotting
fungi (Manmeet and Thind 2002) assessed antagonistic activity of Bacillus subtilis
Pseudomonas aeruginosa Trichoderma harzianum and Penicillium notatum against
causative agent of the bacterial blight of rice caused by Xanthomonas oryzae pv
oryzae in vitro and results showed that B subtilis P fluorescens and T harzianum
stop the growth of pathogen Our findings are an agreement to (Korejo et al 2014)
They reported that cell free filtrates of culture of endophytic Penicillium spp revealed
antifungal and antibacterial potentail Against a humen pathogen Vibriocholerae
(MCM B-322) produced desease cholera the cell free culture of P
chrysogenum revealed significant potential (Devi et al 2012) Many fungal endophytes
are the main source to secrete bioactive compounds (Stinson et al 2003 Corrado and
131
Rodrigues 2004 Ezra et al 2004 Kim et al 2004 Liu et al 2004 Wiyakrutta et al
2004 Atmosukarto et al 2005 Chomchoen et al 2005 Li et al 2005) Among them
seven isolates such as Hypocreales sp PSU-ES26 isolated
by C serrulata Trichoderma spp PSU-ES8 and PSU-ES38 isolated by H ovalis
and Penicillium sp PSU-ES43 Fusarium sp PSU-ES73 Stephanonectriasp PSU-
ES172 and an unidentified endophyte PSU-ES190 isolated by T hemprichii revealed
strong antimicrobial potential against human pathogens (Supaphon et al 2013) There
is eager requirement to discover novel drugs because of infectious diseases and drug
resistance microbes developing day by day Endophytic Penicillium could be a new
origin of treatments for the diseases caused by pathogens
In infectious plants fungal endophytes released the biotic stress with time
duration of 3 6 and 12 day after treatment by lowering the concentration of jasmonic
acid and salicylic acid as compare to control diseased plants Moreover these findings
reported the Penicillium citrinum (LWL4) relationship had a improved helpful impact
on plants of sunflower than Aspergillus terreus LWL5(Waqas 2015) Endophyte
naturally occurring in plants provide defense to plants by different way of mechanisms
such as the secretion of toxicant for pathogens and occasionally to disrupt the cell
membrane causing cell death of the pathogen (Ganley et al 2008 Shittu et al 2009)
Researche reported the justification of the pathogenic infections through the application
of fungal endophytes in plants like F verticillioides (Lee et al 2009) non-pathogenic
mutants of Colletotrichum magna (Redman et al 1999) Xylaria sp (Arnold et al
2003) Colletotrichum specie Fusarium nectria specie and Colletotrichum
gloeosporioides Clonostachys rosea and Acremonium zeae (Poling et al 2008)
Botryosphaeria ribis and (Mejıacutea et al 2008) In current research we assumed that the
application of endophytic Penicillium in plants might protect plants from adverse
effects of the soil born root-rotting fungi The inoculation of endophytic fungi may
inhibit the development of initial infection and prevent disease in this way not only
disease severity decreased but enhanced growth of the plant and yield (Mei and Flinn
2010) Our reseach shows that during pathogenic infection and mutual associations of
the endophytes lower the incidence of disease and improved the yield and biomass of
the plants Promotion of the host plant growth and inhibition of plant pathogen
132
infection may be increase the absorbance of nutrient which causes improved biomass of
plant and growth (Muthukumarasamy et al 2002) In the current study endophytic
Penicillium limited root-rot disease and also promote the health of the plants as
compare to control plants These are the comparision of the results as described by
Serfling et al (2007) The results similar to earlier findings on the plant growth
enhancement by endophytic fungi (Hamayun et al 2010 Khan et al 2011 2012
2013)
Endophytic P cyclopium Penicillium corylophilum P funiculosum are
recognized as GA-producers (Hasan 2002 Khan et al 2011) P citrinum (Khan et al
2008) Penicillium specie (Hamayun et al 2010) Resistance against insect attack and
pathogens enhanced by GA-producing endophytes which alter defense hormones such
as JA and SA In terms of abiotic stress (drought heat stress and salinity) these
endophytes may change the level of abscisic acid and induce resistance Endophytes
may have influencial role 0n the production of biochemicals and alter antioxidant
activities which is the main cause of improving growth of the plants(Waller et al
2005 Hossain et al 2007 Khan et al 2012 Waqas et al 2012 Khan et al 2013)
Chemical fertilizer showed negative impact on plants status The wide
applications of these inorganic fertilizers also causes deterioration to the soil fertility
by losing physiochemical and biological features of soil (Altuhaish et al 2014) In
addition a harmful effect on environment the chemical fertilizers have low level of
efficacy which may reduce nutrients uptake by the plants (Adesemoye et al 2009)
Application of organic amendments is sound known for inhibition of soil-borne
infections improving crops and yield (Ehteshamul-Haque et al 1996 Ikram and Dawar
2015 Sultana et al 2011 Lazarovits 2001 Stone et al 2003) Organic amendments
showed significant effects on crop health and production not only as a result of inhibiting
inoculum of soil pathogens but improve soil quality (Bailey and Lazarovits 2003)
Organic amendments including green manure peats and composts animal manure has
been proposed to sustain and improve fertility of soil and also soil structure for
conventional biological systems of agriculture (Cavigelli and Thien 2003 Magid et al
2001 Conklin et al 2002) and reduce occurrence level of the infections due to soil
133
containg plant pathogens (Noble and Coventry 2005 Litterick et al 2004) It is exposed
that organic amendments can be active against damages produced by fungal pathogens
such as Verticillium dahliae (Lazarovits et al 1999) Rhizoctonia solani (Diab et al 2003)
Phytophthora spp (Szczech and Smolinacuteska 2001) Pythium spp (Veeken et al 2005
MCKellar and Nelson 2003)Sclerotinia spp (Lumsden et al 1983 Boulter et al 2002)
Thielaviopsis basicola (Papavizas 1968) and) Fusarium spp (Szczech 1999) In current
research use of organic amendments like neem cake cotton cake and mustered cake
alone or with combine application of Penicillium spp significantly (plt005) increase
plant growth and cause growth reduction of root rotting fungi as compared to carbendazim
Population of total fungi and bacteria increased by organic soil amendment
which inhibit pathogens growth due to loss of ability to compete with beneficial
microbes (Gilbert et aI 1968) In our study a positive influence of numerous oil cakes
such as cake of neem and mustard on growth of plant was observed which is as
simillar as the findings of the Pandey et al (2005) and Goswami et al (2006) who
reported the use of different oil cakes such as neem and mustards in soil which showed
positive effects on growth of plant
Mixtures of Penicillium with various organic amendments applied in our study
resulted increasing the effectiveness of beneficial microobes for suppressing the fungi
causing the root rots in the present study This is same as the results of (Van Gundy
1965 Oka 2010) who described the combine effect of oil cakes and Pesturia penetrans
which change the soil features might be due to affect on nematode behaviours
(hatching movement and survival) Soil amendment resulting the decrease of the
occurrence of root knot nematodes and Fusarium spp on mung bean plants
(Ehtashamul-Haq et al 1993) Decomposition process of organic amendment released
sunbtances which produced antagonists and resistance too (Lumsden et al 1983)
which promote the inhibition of pathogen T harzianum used as a biocontrol agent with
neem cake showed significant infection on the reduction of Fusarium spp and
improved the development of plants (Nand 2002) Combine application of organic
amendment and PGPR might be resulted reduction of root-rot infections and fungal
pathogens with improved soyabean production (Inam-ul-Haq et al 2012)
134
Among agricultural fertilizer such as neem (Azadirachta indica) and its
products broadly described as a potential fertilizer (Gajalakshmi and Abbasi 2004) and
fungal diseases controlled by them (Dubey et al 2009 Amadioha 2000) insect pests
(Schmutterer 1995Ascher 1993) nematodes which parasitized by plant (Akhtar and
Mahmood 1995) bacteria (Abbasi et al 2003)) Some Studies have been revealed the
surprising potentail of neem products like neem seed oil against R solani M
phaseolina F moniliforme and (Niaz et al 2008) neem seed kernel extract against
Alternaria alternate Trichothecium roseum Monilinia fructicola Penicillium
expansum and Monilinia fructicola (Wang et al 2010) neem seeds and neem leaves
extract for control of F oxysporum Sclerotinia sclerotiorum and R solani (Moslem
and El-Kholie 2009) In our study neem cake mustard cake and cotton cake separate
or within combination of endophytic Penicillium which significantly (plt005) inhibit
the root rotting fungi and increasing the growth of plant Reduction in pre and post
emergence mortality of cotton and in the occurrence of R solani M phaseolina showed
by neem cake which is commonly used as a natural pesticide(Vyas et al 1990 Jeyara-
Jan et al 1987) Multiple nutrients which are having capacity to improve soil
characteristics are found in organic materials (Orrell and Bennett 2013) They also
provide organic substances like acids that help to breakdown soil nutrients and make
them easily accessible for the plants (Husson 2013)
Use of pesticides for reduction of root rotting fungi and plant parasites is costly
approach and resulting destruction of soil environment (Sukul 2001) Use of
bantagonist is an efficient way to overcome root rotting fungi and lethal nematodes
(root knot) (Whapham et al 1994 Ehteshamul-Haque et al 1995 1996) Usually
suppression of the plant pathogens occured by the direct secretion of toxicant such as
phenolic compounds and indirectly enhancing soil microbes by the application of soil
amendments (Shaukat et al 2001Ali et al 2001) In the present report selected
isolates of endophytic Penicillium separate or mixed use with Carbendazim Feast-M
and Topsin-M not only significantly inhibited the infection of root rooting fungi and
enhanced the growth of sunflower but mixed application also produced additional
defense against pathogen penetration and promote growth Plant centered toxicant
within organic amendments revealed promising outcomes in the management of root
135
infecting fungi present in soil (Ghaffar 1995) Organis amendments give better
environment to soil by providing energy and nutrients which support microbes and
plants to grow and survive successfully (Drinkwater et al 1995) Combination of
beneficial microbes by means of various plant colonizing forms with organic
amendment may be convenient for the inhibition of diseases by using different
biocontrol mechanisms for phytopathogens Combine application of different strains of
PGPR resulted significant inhibition of cucumber pathogens consistently (Raupach and
Kloepper 1998)
For crop protection one of the most favorable alternative approach is activation
of resistance within plant among current strategies (Walters and Fountaine 2009
Anderson et al 2006 Walters et al 2005) These alternative stratigies does not kill
phytopathogen directly (Walters and Fountaine 2009) but encouragement of natural
defence system of plant which introduces systemic acquired resistance (Vallad and
Goodman 2004) In case of abiotic and biotic stress a broad series of bioactive
compounds are release by the plant in natural environment that are injurious to
pathogens and grazing animals Phenolic phytochemicals are basic constituents of fruits
and vegetable of bioactive compounds that function as a resistant against insect and
herbivores (Stevenson et al 1993) Due to their significant protective biological role
phenolic compounds are pervasive in all plants so found in all nutrients In plants
resistant reaction of phenols resulting in the separation of phytopathogens which are
categorized due to the quick and early accumulation of phenolics at the infection site
(Cheacuterif et al 1991)
Phenolic compounds are impotant bioactive metabolites can act as antioxidants
against oxidative stress which leads many benefits to plants (Urquiaga and Leighton
2000 Grassmann et al 2000) also termed as free radical- scavengers Phenolic
compounds and antioxidants have close relation (Kumar et al 2008) Phenolic and
lycopene compounds are carotenoids a big source of antioxidants present in tomatoes
richly (Pinela et al 2011 Sahlin et al 2004 Ilahy et al 2001 George 2004)
Organic tomatoes are economically important with relation to conventional tomatoes
(Kapoulas et al 2011) due to their improved quality and ecofriendly nature Phenolic
136
compounds gives better taste as compared to conventional fruits (Benbrook 2005) In
our research better quality of okra and tomato fruits are produced by endophytic
Penicillium as compared to chemical fungicides and control in both screen house and field
condition
In the present study endophytic Penicillium not affected pH of fruit juice of
okra and tomato compared to untreated plant fruits Our findings were in line with (Oke
et al 2005 Carrijo and Hochmuth 2000) who described that pH of tomato fruit juice
not changed by phosphorus use Combine use of endophytic Penicillium with
Psuedomonas montellii improved TSS (total soluble solids) and tritable Acidity of okra
fruit Total soluble solids consist of acids sugars and other constituents existing in THE
fruits of the tomato (Balibrea et al 2006) Instead of inorganic fertilizer application of
biocontrol agents significantly increased brix content in tomato (Oke et al 2005)
The improved quality of fruit Ash content due to the high utilization of the nutrients
of the soil (Mauromicale et al 2011) The variation present in total soluble solids might
be due to the variability of the gene(Riahi et al 2009) In addition of chemical fertilizer
to soil had a significant function in food safety but however made soil harder that
resulted destruction in soil quality (Lai et al 2002) and the soil mineral absorption
decreased through roots Similarly from the soil availability or absorption of mineral
nutrients due to greater moisture content that improved prescence of mineral in soil
(Van veen and Kuikman 1990)
In the present research application of endophytic Penicillium significantly
impoved the carbohydrate protein antioxidant and polyphenol contents of the tomato
and okra fruits The increment of root surface area ultimately increased water
absorption and nutrient uptake due to endophytic Penicillium increased the above
contents These findings are an agreement with Rashed (2002) who described that
antagonistic microbes improved nutrient uptake (El-Ghadban et al 2002)
The biofertilizers impact positively on okra fruits was confirmed by previous
studies described by (Adediran et al 2001 Adejumo et al 2010) The photosynthetic
activity will also be improved as a consequence of improved interception of light when
137
all nutrient is in the right proportion (Subbarao and Ravi 2001) which ultimately
improves vegetative growth and efficient transport of photosynthetic product from
source to sink
Therapeutic effects of active compounds from fungal source have been noticed
from several years and new drugs have exposed and obtained extracted from the
endophytic fungi (Teakahashi and Lucas 2008 Hormazabol et al 2005) A new
endophytic fungus Muscodor albus was isolated from cinnamon tree (Cinnamomum
zeylanicum) formed volatile compunds that executes fungi causing disases (Strobel et
al 2001 Strobel 2006) (Liu et al 2013 Raghunath et al 2012) has discoverd two
new compouds named as nigerasterols A 6 8 (14) 22-hexadehydro-5α9 α-epidioxy-
315-dihydroxy sterols and B from endophytic fungi (Aspergillus niger)
23 compounds were isolated from endophytic Penicillium regulosum mycelia
Hexane fraction of mycelium were characterized by GCMS to identify the chemical
compounds most of them are hydrocarbon fatty acid alcohol and benzene derivatives
Some compounds were characterized from our isolate such as Widdrol hydroxyether
Eicosane Oleic acid Ethyl Oleate and 2-Aminofluorescein Because of the prescence of
these chemical compounds this fungus might have a capability to act against pathogenic
bacteria and fungi and showed a promising result against both type of bacteria such as
gram-ve and gram +ve
Adametizine A produced by Penicillium sp having antibacterial activity against
Aeromonas hydrophila Vibrio harveyi Staphyloccocus aureus Vibrio parahaemolyticus
and antifungal activity against Gaeumannomyces graminis (Liu et al 2015) Arisugacin
K produced by Penicillium sp having antibacterial activity against Escherichia coli (Li et
al 2014) Cillifuranone produced by Penicillium sp having antibacterial activity against
Xanthomonas campestris and antifungal activity againsts Septoria tritici (Wiese et al
2011) Comazaphilones produced by Penicillium sp having antibacterial activity against
S aureus Pseudomonas fluorescens Bacillus subtilis (Gao et al 2011) Communol A
FndashG produced by Penicillium sp having antibacterial activity against Enterobacter
aerogenes E coli (Wang et al 2012) Conidiogenone B produced by Penicillium sp
138
having antibacterial activity against Pseudomonas fluorescens Pseudomonas aeruginosa
Staphylococcus epidermidis S aureus mr and antifungal activity against Candida
albicans (Gao et al 2011) Dictyosphaeric acid A produced by Penicillium sp having
antibacterial activity against S aureus Enterococcus faecium S aureus mr and
antifungal activity against C albicans (Bugni et al 2004) Isocyclocitrinols produced by
Penicillium sp having antibacterial activity against Enterococcus durans S epidermidis
(Amagata et al 2003) Peniciadametizines produced by Penicillium sp having antifungal
activity against Alternaria brassicae (Liu et al 2015) Penicifuran A produced by
Penicillium sp having antibacterial activity against Bacillus cereus Staphylococcus
albus (Qi et al 2013) Penicilactone produced by Penicillium sp having antibacterial
activity against S aureus mr (Trisuwan et al 2009) Penicimonoterpene produced by
Penicillium sp having antibacterial activity against E coli A hydrophila S aureus
Micrococcus luteus V parahaemolyticus and V harveyi (Zhao et al 2014) and
antifungal activity against A brassicae Aspergillus niger Fusarium graminearum (Gao
et al 2011 and Zhao JC et al 2014) Penicisteroid A which is produced by Penicillium
sp having strong antifungal activity in response to A brassicae A niger (Gao et al
2011) Penicitide A which is produced by Penicillium sp having stronge antifungal
activity in response to A brassicae A niger (Gao et al 2011) Penicyclones AndashE islated
from Penicillium sp having antibacterial activity against S aureus (Guo et al 2015)
Perinadine A which is produced by Penicillium sp having antibacterial activity against
B subtilis M luteus (Sasaki et al 2005) Pinodiketopiperazine A produced by
Penicillium sp having antibacterial activity against E coli (Wang et al 2013)
Scalusamide A produced by Penicillium sp having antibacterial activity against M luteus
and antifungal activity against Cryptococcus neoformans (Tsuda et al 2005) Terretrione
D produced by Penicillium sp having antifungal activity againsts C albicans (Shaala
LA et al 2015) and Xestodecalactone B produced by Penicillium sp having antifungal
activity againsts C albicans (Edrada et al 2002) These references supports our results
that our isolate have antimicrobial activity It also have showen a positive result on the
growth of the by enhancing the plant growth and also suppressing infection of root rot
fungi almost in all crops which are experimented
Conclusion
139
There is eager need for natural (environment friendly) chemotherapeutic and
agrochemical agents instead of synthetic toxic chemicals Natural products produced by
endophytes have been tested against infectious agents against plant pathogens One of the
single greatest challenge is control of soil-borne pathogens including parasitic nematodes
facing recent agriculture worldwide Soil-borne fungi and fungi like organisms
including Macrophomina phaseolina Fusarium species Phytophthora spp
Rhizoctonia solani and root knot nematodes commonly (Meloidogyne species) result
severe economic damages both in greenhouse and field production system In
agricultural and pharmaceteucal industry application of endophytes with their related
benefits has now been new approach in rescent years Despite the assistances related to
endophytic bacteria and fungi in plant disease management they are still largely
unexplored Genus Penicilium has been familiar for their significant secretion of
secondry metabolites among them and was also found to play important function in
plants against stress tolerance Penicilium spp secrete a variety of pharmaceutically
vital compounds with antibacterial antifungal insecticidal and nematicidal activities
In this study endophytic Penicillium isolated from healthy plants revealed
significant potential against root infecting fungi both in field condition and screen house
Although endophytes are now widely used in other different fields
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ii
EVALUATION OF BIOCONTROL POTENTIAL OF ENDOPHYTIC SPECIES OF
PENICILLIUM AGAINST ROOT ROTTING FUNGI AND ROOT KNOT
NEMATODE
FAIZAH UROOJ
DEPARTEMENT OF BOTANY UNIVERSITY OF KARACHI
KARACHI PAKISTAN
2018
iii
EVALUATION OF BIOCONTROL POTENTAIL OF ENDOPHYTIC SPECIES OF
PENICILLIUM AGAINST ROOT ROTTING FUNGI AND ROOT KNOT
NEMATODE
A Thesis Submitted for the Partial Fulfillment of the Degree of Doctor of Philosophy in
Botany
By
FAIZAH UROOJ
DEPARTEMENT OF BOTANY UNIVERSITY OF KARACHI
KARACHI PAKISTAN
2018
iv
DEDICATION
Dedicated to my most respected teachers and my beloved
Parents who believe in me and brought out best in me
v
LIST OF CONTENTS Page No
1 INTRODUCTION
11 Endophytic fungi
12 Endophytic Penicillium
13 Role of endophytic Penicillium in plant growth
14 Role of endophytic Penicillium as resistance inducers in plant against
biotic and abiotic stresses
15 Soil-borne diseases
16 Soil-borne root rotting fungi and nematode
17 Biological control
2 MATERIALS AND METHODS
21 Collection of sample for the isolation of endophytic Penicillium spp
from different host
22 Isolation and identification of endophytic Penicillium
23 Isolation of the root infecting fungi from soil
231 Soil dilution technique for the isolation of Fusarium spp
232 Baiting technique for the isolation of Rhizoctonia solani
233 Wet sieving and dilution technique for the isolation of
Macrophomina phaseolina
24 In vitro dual culture plate assay for determining the antifungal activity
of Penicillium species
25 Preparation of root knot nematode inoculum
26 Hatching of nematodes
27 Preparation of culture filtrates
28 In vitro antifungal activity of culture filtrates of Penicillium species
29 In vitro antibacterial activity of culture fitrates of Penicillium species
210 In vitro nematicidal activity of culture filtrates of Penicillium species
211 Fractionation of culture filtrates
212 Extraction and fractionation of mycelium of endophytic Penicillium
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213 Spectroscopy of oily fractions eluted from mycelium
212 In vitro antimicrobial activity of fractions of culture filtrates
213 Population of antagonists Colony forming unit (cfu) per ml in
suspension
214 Growth parameter
2141 Physical parameter
2142 Infection percentage of root rot fungi on roots
215 Biochemical parameter
2151 Estimation of polyphenols
2152 Estimation of antioxidant activity
216 Fruit analysis
2161 pH
2162 Moisture content
2163 Tritable acidity (TA)
2164 Total soluble solid (TSS)
2165 Firmness
2166 Total solids
2167 Protein
2168 Carbohydrate
2169 Total polyphenol and antioxidant activity
217 Experimental design
218 Analysis of data
3 EXPERIMENTAL RESULTS
31 Isolation of endophytic Penicillium
32 In vitro fungicidal activity of endophytic Penicillium
33 In vitro fungicidal activity of cell free culture filtrates of endophytic
Penicillium
34 In vitro antibacterial activity of cell free culture filtrates of endophytic
Penicillium
35 In vitro nematicidal activity of cell free culture filtrates of endophytic
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Penicillium spp
36 In-vitro antimicrobial activity of fractions of culture filtrates
361 In-vitro antifungal activity of n-hexane soluble fractions of
culture filtrates
362 In-vitro antibacterial activity of n-hexane soluble fractions of
culture filtrates
363 In-vitro antifungal activity of chloroform soluble fractions of
culture filtrates
364 In-vitro antibacterial activity of chloroform soluble fractions of
culture filtrates
365 Compounds from n-hexane fraction of mycelium of Penicillium
rugulosum
37 Screen house experiments
371 Effect of endophytic Penicillium in soil amended with neem cake
in suppressing the root diseases and growth of sunflower (2016)
372 Effect of endophytic Penicillium in soil amended with neem cake
in suppressing the root diseases and growth of Sunflower (2017)
373 Effect of endophytic Penicillium in soil amended with neem cake
in suppressing the root diseases and growth of mung bean
374 Effect of Endophytic Penicillium and Cotton cake in suppressing
the root diseases and growth of Mung Bean
375 Effect of Endophytic Penicillium in suppressing the root diseases
and growth of Mung Bean
376 Effect of endophytic Penicillium in soil amended with neem cake
in suppressing the root diseases and growth of tomato
377 Effect of endophytic Penicillium in soil amended with cotton
cake in suppressing the root diseases and growth of tomato
378 Effect of endophytic Penicillium in soil amended with neem cake
in suppressing the root diseases and growth of chickpea
379 Effect of endophytic Penicillium insoil amended with mustard
viii
cake in suppressing the root diseases and growth of chickpea
3710 Effect of endophytic Penicillium and fungicides in suppressing
the root diseases and growth of sunflower
3711 Effect of endophytic Penicillium as soil drench on growth of
okra plants
3712 Effect of endophytic Penicillium as soil drench on growth of
tomato plants
38 Field Experiments
381 Effect of Pseudomonas monteilii and endophytic Penicillium as
soil drench on growth of okra plants in soil under field condition
382 Effect of Pseudomonas monteilii and endophytic Penicillium as
soil drench on growth of tomato plants in soil under field condition
4 DISCUSSION
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EVALUATION OF BIOCONTROL POTENTAIL OF ENDOPHYTIC SPECIES OF
PENICILLIUM AGAINST ROOT ROTTING FUNGI AND ROOT KNOT
NEMATODE
SUMMARY
Endophytes are either bacteria or fungi that reside in the tissues of the plant without causing
any apparent symptoms Some endophytic microorganism may promote growth of plants
help in uptake of nutrients and increase the ability to bear environmental stresses like
salinity drought and reduce biotic stresses During our study plants were collected from
different localities in Karachi Pakistan like Memon Goth Kathor Gadap Gharo Malir and
University of Karachi campus from which endophytic Penicillium were isolated Out of the
eighty samples of the plant 14 isolates of endophytic Penicillium isolated (root stem and
leaves) from wild plants (Achyranthus aspera Atriplex stocksii Euphorbia hirta
Chorchorus tridens) and cultivated plant (Solanum melongena Lycopersicon esculentum
Helianthus annuus Azadirachta indica Abelmoschus esculentus Momordica charantia)
Species of Penicillium identified as P asperum P lilacinum P purpurogenum P
nigricans P rugulosum P restrictum P duclauxi P citrinum P thomii P lividum and P
javanicum Identification of selected isolates of Penicillium was also confirmed by using
molecular biology tools
Antimicrobial activity of 14 endophytic isolates of different species of Penicillium
tested against common fungi (root rotting) viz F oxysporum Fusarium solani
Macrophomina phaseolina and Rhizoctonia solani by dual culture plate assay All EP
isolates showed significant result produced by the inhibition zone Nematicidal potential of
cell free culture filtrates of endophytic Penicillium also has shown significant results After
24 hour 50nematicidal potential showed by Ppurpurogenum (EP-3) while after 48 hours
all other isolates showed 100 mortality
Culture filterates of endophytic Penicillium caused growth suppression of bacteria
Salmonella typhimurium Bacillus subtilis Escherichia coli and Staphylococcus aureus As
concentration increased biocontrol potential of culture filterates of EP increased as well
These outcomes show that endophytic Penicillium could be fullfil the need of discovering of
x
new antibiotics Culture filtrates of Penicillium also showed activity of fungicidal against
root rotting fungal pathogens Fsolani Rsolani Mphaseolina Rsolani and Foxysporum
by making inhibitory zone Cuture filterates of 60 microldisc showed more effective results than
20 or 40 microldisc Fractionation of cell free culture filtrates of viable isolates of our
Penicillium (EP) was made in solvents ie chloroform and n-hexane and showed strong
antibacterial and antifungal activity against above described pathogens These results
showed that secondry metabolites having compounds with strong antimicrobial potential
Secondary metabolites producing from endophytic Penicillium spp offer an stimulating
area of investigation for the encounter of novel antimicrobial compounds Hexane fraction
of mycelium of promising isolate EP-5 showed prescence of chemicals
In current research antagonistic potential of Penicillium was assessed against
phytopathogens on sunflower (Helianthus annuus) chickpea (Cicer arietinum) tomato
(Lycopersicon escolentum) mungbean (Vigna radiata) and okra (Abelmoschus esculentus)
in field and screen house experiments Inhibitory affects on Foxysporum Rsolani Fsolani
and Mphaseolina showed by many endophytic Penicillium which causes healthy plant
growth by improving plant length fresh shoot weights in both type of experiments (Screen
house and field) In some experiment polyphenol and antioxidant activity also showed
significant result which might be due to resistance produced by endophytes Endophytic
Penicillium treated plants produced fruits which is better in quality as compared to control
Endophytic Penicillium associated with healthy plants is a source of new bioactive
metabolites which could be exploited in plant protection and also in medicine
xi
xii
1
1 INTRODUCTION
11 Endophytic fungi
Agricultural production passes through heavy loss due to different abiotic and
biotic stresses Most of the economic areas of the world is agriculture it is the most
eager need of the decade to discover and to create the best approach for sustainable
agriculture and development in crop growth (Rai et al 2014) Endophytes are
microorganisms that live inside the plant tissues for atleast in their life cycle that produce
no visuallized symptoms to the host (Bacon and White 2000) Inside the living host plant
tissues an expensive symptomless plant-microbe association build this phenomena called as
Endophytism(Kusari and Spitteler 2012b) During this complex relationship both partners
can be represented as extremely keen mutualism individual benefits depend on both of them
But their relation might be shift toward parasitism or saprophytism or concerning further
dedicated collaboration with time (Millet et al 2010 Zuccaro et al 2011) Recent studies
proposed endophyte-host plant relations are inconstant and showe a relationship between
mutualistic to antagonistic (Saikkonen et al 1998) Mutual relationship between
photosynthetic organisms and fungi earliest and universal (Berbee 2001 Alexopoulos et
al 1996) Evidence showed the presence of microorganism inside the plant tissues from
the the time of the emergence of higher plant on the earth (Redecker et al 2000) Since
the end of 19th century the inoculum of fungi in symptomless plant has recognized
Guerin (1898) Azevedo (1998) and Endophyte word was first suggested in 1866 de
Bary (1866) Endophytes initially defined in Darnel (Lolium temulentum) Freeman
(1904) they isolated it from wide range of plants from arctic to tropics and from
cultivated to wild ecosystems (Arnold 2007) and so far atleast one endophyte have been
found in all living plants species (Dutta et al 2014)
There have been numerous revisions on the relationship of endophyte and plant
particularly for grasses for instance tall fescue where it has been revealed that
endophytic fungus Neotyphodium coenophialum produce toxins that act as defensive
agent against their predators including insects and other grazing animals (Bultman and
Murphy 2000 Bacon et al 1977) it was found that this fungus could be beneficial for
2
enhancing their host tolerance against stresses of abiotic and biotic (Schardl et al 2004
Saikkonen et al1998) In between other symbiotic associations fungal endophytes are
most commonly competitive (Staniek et al 2008) Fungal endophytes are a very varied
polyphyletic group of microorganism that lives inside host stem leaves and also in roots
Endophytes fungi are present above ground parts of plant which make different from
mycorrhizal fungi but also present in roots Fungi related to rhizosphere and roots of the
plants and had positive effect on the growth of plant and recognized as PGPF (Plant
growth promoting fungi) The significant of PGPF belongs the genus Gliocladium and
Trichoderma (Altomare et al 1999) have proficient of inhabiting the plant roots (Gera Hol
and Cook 2005) Endophytes are considered as avirulent opportunistic plant symbionts
and develop systemic resistance in plants just like rhizobacteria (Harman et al 2004)
Similarly endophytic Acremonium lolii and A coenophialum exposed antibiotic formation
against a variety of fungal plant pathogens in culture (White and Cole 1985) Fungus
Muscodor produced volatile compounds which is mostly used as a fumigants in soil (Ezra et
al 2004 Mercier and Manker 2005) In our previous report endophytic Penicillium spp
isolated from Salvadora species showed noteworthy antimicrobial activity (Korejo et al
2014)
Against numerous diseases many endophytes have capability to produce different
secondry metabolites that have therapeutic effect (Kharwar et al 2011 Kusari and
spiteller 2012b)
12 Endophytic Penicillium
In recent search for agricultural and pharmaceutical industries to develop a
effective products Natural products have been recognized as a therapuetic agents and play
a important role in nature So the search is carried out for the production of novel
bioactive metabolites from organisms that reside novel biotopes Endophytic fungi
populate such a biotope (Schulz et al 2002) The genus Penicillium is a group of more
than 200 species inhabiting fibre fruits food items soil marine and various species of
plants (Korejo et al 2014 Gong et al 2012) In same way species of Penicillium
deliberated as soil inhabitant and present as a toxicant on foods materials like fibers
starchy materials and fruits but species of Penicillium have been reported in the form of
3
endophytes and play significant role in plants towards tolerance of stress(Khan and Lee
2013 Waller et al 2005) Fungal endophytes is used as a ironic source of secondry
metabolites for agricultural and medicinal practices (Schulz et al 2002) and lot of exposed
(Huang et al 2008)
Endophytic Penicillium species are the producers of diverse variety of secondary
metabolites (Zhang et al 2006 Schulz and Boyle 2005) ie various penicillins PR-
toxin polyketides xanthoviridicatins E and F chrysogine Chrysogenamide A
sorrentanone xanthocillins secalonic acids sorbicillactones A B sorbivinetone
Ochratoxin A (Hoog et al 2000 Singh et al 2003 Gerhard et al 2005 Vega et al
2006 Lin et al 2008) Penicillium species are known to have antifungal algicidal and
antibiotic activities (Meng et al 2011)
13 Role of endophytic Penicillium in growth of plant
Though current studies have revealed that growth enhancement of plant might be
the reason of the production growth promoting secondary metabolites (gibberellins auxin
cytokinin) from plants due to the prescene of endophytic fungi in the rhizospheric region
(Hamayun et al 2010a) Endophyte and plant relationship have the mojor influence on
plant growth promotion (Hassan et al 2013) though endophytic fungi may be responsible
to enhance the growth of the plant in order to secrete different chemical compounds like
ammonia indole acetic acid (IAA) and phytohormone and (Bal et al 2013) Usually
indole acetic acid acts as growth promoter plants by enhancing cell division and cell
elongation and is necessary for differentiation of tissues of plant (Taghavi et al 2009)
Soil microorganisms have a potential to synthesis a wide range of indole acetic acid that
play a role in plant development (Spaepen and Vanderleyden 2011) on other hand
endophytic fungi isolated from different parts of plants which indicated high amount of
indole acetic acid as compared to those isolates isolated from root-free soil (Spaepen et al
2007) The important role of indole acetic acid in growth of the plant in addition to the
potentail of fungal endophytes to secretes indole acetic acid has increased attention due to
their effectiveness on the concentration and supply of indole acetic acid in tissues of the
plants
4
Endophytic fungi have been considered as producers of phytohormones which act
as strong plant growth enhancer These outcomes proposed that endophytic fungi obtained
in the study produced bioactive metabolites which play magnificent roles in stimulating
growth of the plants (Khan et al 2015) Endophytic Penicillium species produced wide
range of Indole acetic acid and gibberellins thus increases plant growth Gong et al
(2014) reported the effect of Penicillium oxalicum on enhancement of growth of maize
plants where they observed that P oxalicum stimulate the growth of maize plants due to its
phosphate-solubilizing ability
14 Role of endophytic Penicillium as resistance inducers in plant stress
Systemic induced resistance have played a vital role in the survival of the plants to
protect themselves in response to pathogenic organisms (Lim et al 2006) It seems in
almost all plants in response pathogenic attack treated with different organic amendments
and chemicals Phytohormones are present extensively in plant parts Plants secrete an
enormous range of chemicals that are toxic to their predators Phenolic compouds are
bioactive chemicals which are common elements of fruits and vegetables act as defensive
agent against insect and grazing animal (Stevenson et al 1993) In the plants growth
phytochemical compounds which have low molecular weight such as phenolic show a
dynamic part and its production and secretion may be due to both biotic and abiotic factors
(Joachim et al 2007) Phytochemicals protect plants towards abiotic and biotic stresses
and therefore are produced against pathogens attack which are exposed to high energy
radicals like the exposure of UV radiation (Briskin 2000) Due to the significant defensive
roles phenolic phytochemicals have pervasive in most of the plants and find specific place
in most of the groups of foods Cherif et al (1991) reported that phenolic compound play
role in resistance of the plants which are accomplished by the rapid accumulation of at the
infection site resulting in the prevention of the pathogen The function of phenolic
compounds in inhibition of the pathogenic infection which act as a barriers to a
pathogens and develop resistance broadly Imporatant groups of compounds termed as
scavengers of oxygen free radical or antioxidants used to resist the phytopathogen and
protection of the oxidative stress of environment (Conceica et al 2006 Wanas 2006)
Numerous studies demonstrate that soil-borne fungal diseases controlled by antioxidants
5
(Dmitriev 2003) with increasing the phytophenolic compounds which increasing plant
growth development and defense against disease Antioxidants used successfully to
control most of the diseases in plant like Fusarium wilt of chickpea plants(Nighat- Sarwar
et al 2005) in tomato (Mohamed et al 2007) pod rot and peanut root (Elwakil 2003
Mahmoud et al 2006) in pepper damping- off (Rajkumar 2008) faba bean of chocolate
spot (Hassan et al 2006) and in the lupine leaf blight and root rot (Abdel-Monaim 2008)
Antioxidants eg salicylic benzoic acids ascorbic propylgalate in cumin in the form of
seed soaking or in other way such as soil drenching showed protection of diseases
occurred by f spcumini and Fusarium oxysporum (Mostasa 2006) The mechanism of
antioxidants was described in many host-pathogen relations such as a wide range of
enzymes like polyphenol oxidase ascorbate oxidase peroxidase and catalase identified
againsts pathogen infection (Clark et al 2002) or outcomes of most of the treatments with
different antioxidants activity ( El-Khallal 2007 and Abdel-Monaim 2008)
In organic agriculture biocontrol agents have different mode of actions including
production of metabolites against pathogens mycoparasitism competing their place and
their nutrients uptake growth promotion of plants and stimulation of defense mechanim in
most of the plants (Chet et al 1997 Howell 2003) This original biological approach
encourages natural resistances of the plants which leads towards systemic resistance
(Vallad and Goodman 2004) instead of apply effects on the most of the plant pathogens
(Walters and Fountaine 2009) Metabolites produced by biocontrol agents against
pathogenic fungus are main factor to discovering them Many researchers are discovering
bioactive chemicals synthesize by microorganism that control most of the diseases of the
plants (Dowling and OrsquoGara 1994) Induction of systemic resistance through biocontrol
agents changed the certain biochemicals of plant which can consider as resistance markers
(Schonbeck et al 1981) including enzymes accumulation like peroxidase (He et al
2002) It was shown that due to systemic acquired resistance in tomato activation of the
defensive mechanism occurs by the insects (Murugan and Dhandapani 2007) viruses
most of the nematodes bacteria and endophytic fungus (Anfoka and Buchenauer 1997
Laporte et al 2007 Molinari 2008 Vasyukova et al 2007Mandal et al 2009 Hase et
al 2008 Park et al 2008) In the same way Shafique et al (2016) studied that combine
use of the oil cake and P lilacinus and PGPR enhance growth of plant that also suppress
6
the infection of root rotting fungi by improving antioxidant activity and polyphenols
contents of the okra plant
Endophytic microorganisms produce secondary metabolites which are crucially
important as parasiticide insect antifeedent and pathogen inhibitors (Meng et al 2011)
Other benefits for host plant include increased resistance to heavy metals salinity and heat
stress improved drought tolerence protected from grazing animals introduced systemic
resistance to pathogens and promoted growth (Redman et al 2001 Clay and Schardl
2002 Marquez et al 2007 Tejasawi et al 2007) Hence Endophytic fungi increase the
ecological survival of plants by increasing resistance towards abiotic and biotic stress
factors (Schulz and Boyle 2005 Gonthier et al 2006) Hossain et al (2014) reported the
part of Penicillium sp in developing systematic resistance to cucumber infection of leaf
caused by anthracnose phytopathogen Colletotricum orbiculare in the cucumber
Similarly Khan et al (2015) studied the effect of P janthenalum in producing tolerance
against aluminum stress in tomato plants Penicillium endophytes are also help plants to
tolerate stress of salinity by regulating plants hormones (Khan et al 2013 Khan et al
2015) Penicillium strains are safe to environment as they reduces the level of salinity and
increase growth of the plants (Leitao and Enguita 2016)
Furthermost fungal endophyte facilitates induction of systemic acquired resistance
in most of the plants (Bailey et al 2006 Nassimi and Taheri 2017) and play a vital role in
safety and control of infection of plants Endophytic fungi play a chief part in growth
promotion of plant higher production of seed and resist plants against several abiotic
biotic stresses and infections Most of them are produce compounds against pathogenic
microbes phytohormones and different bioactive agrochemicals Eco-friendly and
economically active agricultural products are developed by many potential endophytes
(Rai et al 2014) Penicillum chrysogenum produces hypocrellins B and C which have
strong antifungal activity (Meng et al 2011)
15 Soil-borne diseases
Diseases which are caused by organisms persists in soil and debris on soil surface
are known as soil borne diseases and the organisms which causes such diseases are soil-
7
borne pathogens Soil-borne pathogenic fungi reside for several years in soil in the form of
various dormant structures viz chlamydospores melanized hyphae sclerotia and oospores
and are major cause of lowering yield and quality of plant products (Baysal-Gurel et al
2012 Koike et al 2003) Whereas nematodes survive in soil as free organisms cysts or
eggs (Koike et al 2003) Soil borne pathogens infect belowground along with foliar
tissues of plants The well-known diseases produced by soil-borne fungi are the rots which
effect underground tissues of plants and vascular wilts While some soil-borne pathogens
effect the above ground tissues of plants (Koike et al 2003) Soil-borne diseases are more
harmful under poor soil conditions ie inappropriate drainage system low range of
organic matter low level of fertility poor soil structure and high compaction level of the
soil (Abawi and Widmer 2000)
16 Soil-borne root rotting fungi and nematode
Among the plant disease causing organisms nematodes which parasitized plant
resulted loss upto 100 billion US$ to the agriculture world annualy and approximately 500
million US$ is wasted on control of nematode (Saifullah et al 2007) Whereas the
infection of root rot caused by Rhizoctonia solani Macrophomina phaseolina Fusarium
species Pythium species and Phytophthora species are most common in the crop plants
producing billions $ losses every year
Infections produced by soil borne pathogens includes damping off root rots and
wilts by Fusarium Phythium and Rhizoctonia Phytophthora verticillium and nematodes
species Fusarium oxysporum and its more than 70 species are known to cause root wilt
and root rot diseases in variety of plants species including tomato plants (Kistler 1997)
Species of Cephaliophora Bipolaris Cephalosporium Corynascus Curvularia
Exerohilum Botryodiplodia Fusarium Melanospora Nigrospora Rhizoctonia
MacrophominaSclerotium and Stemphylium are also potent plant pathogens in Pakistan
(Shahzad and Ghaffar 1995) Root knot nematodes are the members of genus Meloidogyne
(Sharon et al 2001 Taylor and Sasser 1978) Globally 26 of crop losses are resulted by
pathogens (Khan et al 2009) Nematodes alone cause 5 of worlds crop losses (Sasser
and Carter 1975) Soil-borne root infecting fungi and nematodes not only produce diseases
8
in plants but also decrease the biomass of plants and severely decrease the yield of crops
and sometimes even death of plant may occur
Nematodes (Meloidogyne spp) parasitized inside specialized type of feeding cells
into the plant tissues directly and remained inside the plant tissueon the otherhand
parasitic type of fungi also penetrate into the tissues of host and absorbs the nutrients Soil
and rhizosphere microorganisms are difficult to control because of tissues around them So
these endo-parasitic nematode and fungi may be able to control by endophytic
microorganisms colonizing around plant root tissue because they occupies same space and
are come in contact with each other (Hallman et al 1997) Hallman and Sikora (1994
1996) demonstrated that endophytic Fusarium oxysporum isolated from tomato roots had
determental effect on Meloidogyne incognita Colonization of tomato roots by the
endophyte resulted in 60 reduction of Mincognita infestation
Charcoal rot disease produced by Macrophomina phaseolina which is soil
inhabiting fungus having diverse type of distribution and have hazardous to the
production of the crops in most of the arid areas over 500 plant species (Ijaz et al 2012)
17 Biological control
Biological control is the management of components of ecosystem in order to
protect plants against pathogens It ensures the preservation of environment by no use of
chemicals (Barea and Jaffries 1995) Most of the fungi used as a biocontrol agents and
have long been studied and various reports are available Such as Perveen et al (1994)
reported the effectiveness of Fusarium oxysporum in order to reduce the infection of the
Macrophomina phaseolina Fusarium solani and Rhizoctonia solani Trichoderma species
have been known for so long as biological control agent of soilborne pathogens and also
act as a symbionts of the plants (Harman and Shoresh 2007) Further they suggest that F
oxysporium is a potential biocontrol agent against these pathogens in tomato and okra
Later Siddiqui and Shaukat (2003) tested Pochonia chlamydospora against Fusarium sp
Rsolani and M phaseolina and found it effective against these pathogens Siddiqui et al
(2000) and Waqas et al (2012) investigated the effects of Penicillium and Phoma
glomerata species on the cucumber in drought and saline stress and reported that these
9
endophytic fungal species increases biomass and growth of economically important crops
Major application in agriculture pharmaceutical and commercial utilization of these
endophytic fungi
The current research focused on the isolation and identification of the endophytic
Penicillium species which is associated with plants which are healthy plants and
evaluation of their antagonistic potential against root rotting fungi using sunflower
munbean tomato chickpean and okra as test crops The report also describes the extraction
and characterization of some new compounds from mycelium of Pregulosum
10
2 MATERIALS AND METHODS
21 Collection of plants for isolation of the endophytic Penicillium spp
Survey of various agricultural fields of Kaarchi and its suburb like Karachi
University campus Memon Goth Kathor Gadap Gharo and Malir were carried out
Healthy wild and cultivated plants alongwith roots were selected collected and were
transported to laboratory and preserved at (4oC) untill Penicillium were isolatedround
about (24) hours
22 Isolation and identification of endophytic Penicillium
1 g of th sample of the plant either stem root or leaves was separately cleaned
sanitized in 1 bleech for (3) min then with (70) alcohol for (3) min and then washed
with the help of distilled H2o Each sample was chopped in sterilized grinder with 50mL
sterilized water and dilutions of each sample were made upto 1104 and further proceed as
described by Korejo et al (2014) and fungal growth fungi were identified with reference
to Barnett and Hunter (1998) Domsch et al (1980) Dugan (2006) Raper and Thom
(1949) and Visagie et al (2014)
221 Molecular strain typing of promising isolates
The selected endophytic Penicillium isolates P rugulosum (EPAAR5) P
decumbens (EPAIR6) P nigricans (EPSLR4) P asperum (EPHAL10) and P
purpurogenum (EPEHS7) initially identified by morphological characters were further
subjected to molecular identification and strain typing bythe PCR (polymerase chain
reaction) based on molecular techniques recently described (Habiba et al 2018)
Briefly five days old strains grown (1 mL) in broth of YPD at 26degC and cells were
harvested by centrifugation (Hanil Korea) for (14000 rpm) for (10 min) at room
temperature Genomic DNA extraction kit (Norgen biotek Canada) was used for fungi as
per vender instruction while quality and purity of the genomic DNA established in
nanodrop (Nano-Drop 200 Thermo Scientific USA) In case of molecular identification t
rDNA-ITS4 ITS1-58S regions amplified with the help of the primers ITS1 (5acute-
11
TCCGTAGGTGAACCTG CGG-3acute) and ITS4 (5acute-TCCTCCGCTTATTGATATGC-3acute) as
initially described Karimi et al (2015) Reactions of the PCR were performed consisting of
genomic DNA (150 ng) primer set (16 μM each) Dream Taq Master Mix (2x Thermo
Scientific USA) and nuclease free water to a final volume of 20 μL Thermal cycling
carried out in a Master cycler (ProS Eppendorf Germany) with an initial denaturation step
(4 min at 94 ordmC) followed by 40 cycles of denaturation (45 s at 94 ordmC) annealing (45 s at 55
ordmC) and extension (1 min at 72 ordmC) and a final extension at 72 ordmC for 7 min
For genetic variation between the strains Random Amplified Polymorphic DNA
(RAPD) PCR was performed with specific oligonucleotide primer M13 (5acute-GAGGGTGG
CGGTTCT-3acute) as described by Zahid et al (2017) Briefly PCR were performed in a total
volume of 20 microL comprising of genomic DNA (25 microL) primer M13 (16 microM) 2x Dream
Taq PCR mix (10 microL) with additional 1 mM MgCl2 and 10 DMSO (Sigma-Aldrich
USA) Thermal cycling was carried out in a Master cycler (ProS Eppendorf Germany) with
an initial denaturation step (5 min at 95 ordmC) followed by 35 cycles of denaturation (30 s at
90 ordmC) annealing (1min at 40 ordmC) and extension (8 min at 65 ordmC) and a final extension at 68
ordmC for 16 min
PCR products (~10 microL) were subjected to 2 agarose gel electrophoresis
containing ethidium bromide (05 μgmL) 1kb DNA ladder (Fermentas USA) was used to
calibrate the sizes
23 Isolation of the soil borne fungi
231 Soil dilution technique for the iolation of Fusarium species
Fusarium were isolated by soil dilution technique (Nash and Snyder 1962) as
described by (Urooj et al 2018) and identified by Nelson et al (1983) and Booth (1971)
12
232 Baiting technique for the isolation of (Rhizoctonia solani)
Rhizoctonia solani were isolated through baiting technique and identified
(Wilhelm 1955) as described in previous report (Urooj et al 2018)
233 Dilution and wet sieving technique for the isolation of (Macrophomina
phaseolina)
Macrophomina phaseolina were isolated by using techniques (wet sieving and
dilution plating)Sheikh and Ghaffar (1975)
24 In vitro determination of antifungal activity of Penicillium species by dual
culture plate assay
For determination of fungicidal potential of Penicillium spp four common fungi
(root rotting) viz Rhizoctonia solani F oxysporum Macrophomina phaseolina and
Fusarium solani were chosen A disc of the 5 mm of the test and fungi (root rotting) was
inoculated on the opposite side of the Petri dish of 90 mm which was poured with CDA
(Czapeks Dox Agar) pH (72) and incubated (28degC) for (5 days) Inhibition zone was
measured in mm (Korejo et al 2014) Experiment were repeated thrice and replicated four
times
25 Inoculation of the nematode (root knot)
Pure culture of the root knot nematode (Meloidogyne javanica) obtained through
egg masses attached on infected brinjal root Roots were washed under tap water was used
to washed te roots thoroughly stereomicroscope was used to collect egg masses and
transferd in cavity blocks having distilled water and left for the hatching (at room
temperature) after 48 hours juveniles were hatched and proceed for the experiment
27 Preparation of culture filtrates
Culture filtrates of test Penicillium spp were obtained by growing 5 mm disc of
culture in 100 ml of CDB (Czapekrsquos Dox broth) in (250 ml) flask After (15 days) of the
13
incubation (25-30degC) culture filtrate were collected by filteration and 1-2 drop of
chloroform were added to prevent further growth of any contaminant
28 Determination of antifungal activity of culture filtrates of Penicillium species
in vitro
Culture filtrate were loaded at concentration of 20 40 and 60 microl on thick sterile
filter paper discs and dried and placed in clock wise manner according to concentration in
the plates containing Czapekrsquos Dox Agar Disc of test fungus were inoculated in centre of
plates CDB (Czapekrsquos Dox broth) used as a control and 20 microgdisc carbendazim used as a
positive controlAt 30degC Petri dishes left for (5-7 days) and between test fungus and disc
distance was measured as a inhibition zone Qureshi (2003)
29 In vitro antibacterial activity of culture fitrates of Penicillium species
To examine the activity of secondary metabolites of Penicillium spp against
bacteria lawn of test bacterium was prepared in 90mm petri dishes containing Nutrient
Agar medium Culture filtrate of each Penicillium sp at 20 40 and 60 microldisc were loaded
on thick sterile filter paper discs and dried and placed in clock wise manner according to
concentration in the plates having bacterial lawn with nutrient Agar A disc of 5 mm of test
fungus was inoculated in the centre of the plate Discs loaded with sterile broth of
Czapekrsquos Dox served as control whereas penicillin 20microgdisc used as positive control for
the gram positive bacteria and streptomycin 20microgdisc used as a positive control for gram
negative bacteria Petri dishes were kept at 30degC for (2-3 days) The inhibition zone were
measured in mm
14
210 In vitro nematicidal activity of culture filtrate of Penicillium species
To examine the nematicidal potential of the culture filtrate 1 ml of culture filtrate
was filled in a cavity blocks containing 15 picked second stage nematode (Meloidogyne
javanica) larvae As a +ve control distilled H2O water was used 2ml The cavity blocks
were kept at room temperature 25-30C and nematode mortality was recorded after 24-48
hours under stereomicroscope
211 Fractionation of culture filtrates
Culture filtrate was extracted three times with n-hexane and chloroform by shaking
vigorously in a separating funnel The extraction volume of each solvent is approximately
half to that of the filtrate Each solvent layer was allowed to separate out and run off from
the aqueous layer The n-hexane and chloroform fractions were collected pooled
concentrated on a rotary evaporator (Eyela-NE) separately and weighed
28 Determination of antifungal activity of frcations of culture filtrates of
Penicillium species in vitro
Each fraction was re-dissolved in their respective solavent and loaded at
concentration of 20 40 and 60 microl on thick sterile filter paper discs and dried and placed in
clock wise manner according to concentration in the plates containing Czapekrsquos Dox Agar
(CDA) Disc of test fungus were inoculated in centre of plates Czapekrsquos Dox broth (CDB)
used as control and carbendazim at 20 microgdisc used as positive control Petri dishes were
left for 5-7 days at 30degC and distance between test fungus and disc was measured as
inhibition zone (Qureshi 2003)
29 In vitro antibacterial activity of the frcations of culture fitrates of the
Penicillium species
In order to examine the prescence of secondary metabolites of the species of
Penicillium against bacteria lawn of test bacterium was prepared in 90mm petri dishes
containing Nutrient Agar medium Filtrates of cell free culture of the species of Penicillium
species at 20 40 and 60 microldisc were loaded on thick sterile filter paper discs and dried
15
and placed in clock wise manner according to concentration in the plates having bacterial
lawn with nutrient Agar 5 mm disc of test fungus was inoculated in centre of plate Discs
loaded with sterile broth of Czapekrsquos Dox (CDB) used as control whereas penicillin
20microgdisc used as positive control for gram positive bacteria and streptomycin 20microgdisc
served as positive control for gram negative bacteria Petri dishes were kept at (30degC) for
(2-3) days The inhibition zone were measured in mm
212 Extraction and compounds from mycelium of endophytic Penicillium
10 gm mycelium was thoroughly washed with n-hexane solvent to remove excess
water and extraction with (200 mL) n-hexane by Soxhlet extractor for (8 h) The fractions
were evaporated at 40degC through a rotary vacuum evaporator
213 Spectroscopy of oily fractions extrcated from mycelium of Penicillium
regulosum
The oily mass extracted from mycelium and culture filtrate of endophytic fungi
were subjected to GC-MS in order to isolate volatile compound GCMS (Gas
chromatographymass spectrometer) analyzed on High Resolution Mass spectrometer Jeol
HX-110 (Japan) eqquiped with data system DA-5500 with gas chromatograph Hewlett
packard (5890)
213 Determination of colony forming unit (cfu) per ml of suspension
Colony forming unit (cfu) per ml of Penicillium suspension were determined by
dilution plate method Fungi grown on the petri plates added then multiplied by the factor
of the dilutions donated by (cfuml) of the fungi
Cfu ml = Number of colonies of bacteria on plate X Dilution factor
16
214 Growth parameters
2141 Physical growth parameter
On harvesting the experiment physical parameters of the plants which was height
weight of the shoot length and weight of the roots number and weight of fruits were
measured
2142 Percent Infection of fungi (root rot) on roots
To determe of the infection of the root rot fungi method reported by Rahman et al
(2016) was used
215 Biochemical parameters
2151 Estimation of polyphenols
Dried sample of the leaves crushed in ethanol of 96 vv At 3000rpm for 20min
mixture of the sample centrifuged Supernatants used to anlayse antioxidant Salicylic and
polyphenol activity
Folin-Ciocalteu phenol reagent used for total poly phenol content described
(Chandini et al 2008)
2152 Estimation of antioxidant activity
Free radical scavenging assay was determined by DPPH (2 2-Di-phenyl-1-
picrylhydrazyl) used for Antioxidant activity (Zubia et al 2007 Duan et al 2006)
2153 Quantification of salicylic acid (SA)
Salicylic quantification was done by using 01 percent prepared Fecl3 (Ferric Chloride)
described by Warrier et al (2013)
216 analysis of Fruits
17
2161 pH (Power of Hydrogen)
To determine the pH fresh sample of five gram fruit in (10ml) of distilled water
were centrifuged for (20 min) in (3000) rpm Supernatent collected to analyse biochemical
activitySample pH measured as described (AOAC 1990)
2162 Moisture content
To analyse moisture content Fresh fruit determine by the method AOAC (1990)
Fruit moisture content can be calculated as follows
Moisture content= Weight of fresh sample ndash Weight of dried sampletimes 100
-------------------------------------------------------
Weight of fresh sample
2163 Tritable acidity (TA)
Sample of 5-ml titrated against (01 N) NOAH solutions by adding 2-3 drops of
phenolphthalein indicator drops for the persistent of the pink coloration The tritable
acidity was calculated by AOAC (1900)
2164 Total soluble solid
A juice drop transferred on prism surface of the hand refractometer (model
ATAGO) and the brix value was recorded by adjusting the eyepiece which showed TSS in
sucrose
2165 Firmness
Tomato fruit firmness recorded by using a TA-XT (Texture Analyser) with 3mm
diameter of the flat aluminium probe
2166 Total solids
It was determined as described by (James 1995) by subtracting percentage
moisture from 100
18
Total solids () = 100 ndash moisture
2167 Protein
Content of protein measured using (Lowry et al 1951) method
2168 Carbohydrate
Method of Phenol-sulphuric acid used to determine the prescence of carbohydrate
of the fruit sample (Dubios et al 1956)
2169 Antioxidant activity and Total polyphenol
To estimate the polyphenol by Folin-Ciocalteu phenol reagent method used
described as (Chandini et al 2008) To determine the antioxidant activity of fruits
samples used by method described by (Zubia et al 2007 Duan et al 2006)
217 Experimental design
Complete randomized design or randomized complete block design used as a
ststistical tool in screen house and field conditions experiments
218 Analysis of data
(ANOVA) Analysis of variance included least significant difference (LSD) were
analyse according to experimental design described as Gomez and Gomez (1984) were
used
19
3 EXPERIMENTAL RESULTS
31 Isolation of endophytic Penicillium
Out of 80 plant samples from both wild and cultivated species (Roots stems and
leaves) 14 samples showed presence of genus Penicillium Endophytic Penicillium spp
isolated (root stem and leaves) from wild plants (Achyranthus aspera Atriplex stocksii
Euphorbia hirta Chorchorus tridens) and cultivated plant (Solanum melongena
Lycopersicon esculentum Helianthus annuus Azadirachta indica Abelmoschus
esculentus Momordica charantia) Fourteen isolates of Penicillium were isolated and
identified on the bases of their morphological feature Species of Penicillium were
identified as P lividum P lilacinum P purpurogenum P nigricans P rugulosum P
restrictum P duclauxi P asperum P thomii P citrinum and P javanicum (Table 1)
32 Molecular Identification of endophytic Penicillium
The selected endophytic Penicillium isolates P rugulosum (EPAAR5) P
decumbens (EPAIR6) P nigricans (EPSLR4) P asperum (EPHAL10) and P
purpurogenum (EPEHS7) initially identified by morphological characters were further
subjected to molecular identification and strain typing (Habiba et al 2018) PCR
amplification of DNA from endophytic Penicillium strains using a universal genus specific
primer set (ie ITS1 and ITS4) which amplified the product size ranging between 500 to 600
bp for different fungal species while 600bp specific for Penicillium spp All products thus
showing the availability and consistency in size of typical 600bp for Penicillium isolates
(Figure 1A) RAPD-PCR was also performed to established the genotypic variations and
similarities with in the genus Penicillium (Figure 1B) RAPD-PCR is universally used and
based on polymorphism of DNA at the taxonomic level clearly illustrates the discrimination
power at the specie level Moreover the dendrogram of RAPD-PCR analysis revealed the
genetic relatedness between the isolates (Figure 1C) Dendogram represents two distinct
clades in first isolate P rugulosum EPAAR5 and P purpurogenum EPEHS7 were found to
share the same clade (a) whereas P asperum EPHAL10 P nigricans EPSLR4 P
decumbens EPAIR6 and positive control exist together in the second clade (b)
20
21
22
32 In dual culture plate assay antifungal activity of endophytic Penicillium
Fungicidal potential of endophytic species of Penicillium isolates were
examined usually phytopathogens such as Rhizoctonia solani Macrophomina
phaseolina F oxysporum and Fusarium solani using dual culture plate assay The 5mm
diam agar disc of endophytic Penicillium was placed on a 90mm Petri dish poured
with (CDA) Czapekrsquos Dox Agar pH (72) On opposite side of this disc from root
rotting fungi grown in plate a 5mm disc of was cut placed and leave at 28oC and
inhibition zone measured averaged and expressed in mm
All endophytic Penicillium showed best result against common root rot fungi
Maximum inhibition zone (25mm) against Fsolani produced by Ppurpurogenum
then Pdecumbens and P nigricans inhibition zone produced against Rsolani
(Table 1) fig1-7
23
Table 1 Suppression of Macrophomina phaseolina Rhizoctonia solani Fusarium solani and F oxysporum in dual culture plate assay
by the endophytic Penicillium species isolated from different wild and cultivated plants
Fungus Penicillium spp Host name Plant
part MPhaseolina Rsolani Fsolani Foxysporum
Zone of inhibition(mm)
EPSMR1 P citrinum Solanum melongena L
(Solanaceae)
Root 4 4 20 20
EPSMS2 P lilacinum Solanum melongena L (Solanaceae) Stem 6 8 11 14
EPSML3 Ppurpurogenum Solanum melongena L (Solanaceae) leaf 6 5 25 17
EPSLR4 P nigricans Lycopersicon esculentum L
(Solanaceae)
root 5 25 16 21
EPAAR5 P rugulosum Achyranthus aspera L
(Amaranthaceae)
root 3 12 11 20
EPAIR6 P decumbens Azadirachta indica AJuss
(Meliaceae)
root 5 25 13 20
EPEHS7 P purpurogenum Euhorbia hirta L (Euphorbiaceae) stem 6 5 25 17
EPCTS8 P restrictum Chorchorus tridens L (Malvaceae) stem 2 2 5 5
EPASS9 Pduclauxi Atriplex stocksii
(Amaranthaceae)
stem 18 13 11 14
EPHAL10 Pasperum Helianthus annuus L (Asteraceae) leaf 2 2 5 5
EPAER11 P thomii Abelmoschus esculentus L
(Malvaceae)
root 5 8 5 6
EPMCL12 Plividum Momordica charantia L
(Cucurbitaceae)
leaf 18 13 11 14
EPSLR13 Pjavanicum Lycopersicon esculentum L
(Solanaceae)
root 5 24 17 22
EPAER14 Ppurpurogenum Abelmoschus esculentus L
(Malvaceae)
root 5 3 21 12
24
Fig1 Growth inhibition of Foxyspoum by the endophytic Penicillium in dual culture plate
assay
Fig2 Growth inhibition of Fsolani by the endophytic Penicillium in dual culture plate
assay
25
Fig3 Growth inhibition of Fsolani by the endophytic Penicillium in dual culture plate
assay
Fig4 Growth inhibition of F solani by the endophytic Penicillium
in dual culture plate assay
26
Fig5 Growth inhibition of Foxyspoum by the endophytic Penicillium in dual culture plate
assay
Fig6 Growth inhibition of Fsolani by the endophytic Penicillium in dual culture plate
assay
27
Fig7 Growth inhibition of Foxyspoum by the endophytic Penicillium in dual culture plate
assay
33 In vitro fungicidal potential of culture filtrates of endophytic Penicillium
Penicillium isolates were grown in Czapekrsquos Dox broth pH 72 at 25-30oC for 15
days and through filteration culture filtrate was collected in autoclaved flasks The filtrate of
culture was dropped by chloroform under sterilize conndition to kill fungal propagoles if
any To determine the antifungal activity Disc Diffusion Method was used in which cell free
culture filterates at 20microldisc 40microldisc 60microldisc and control were placed at equal distance
at diferent positions in the petri plates poured with Czapeks Dox Agar pH 72 Water
impregnated disc were used as negative control and carbendazim 20microgdisc were used as
positive control against four root rot fungi viz Rhizoctonia solani Macrophomina
phaseolina F oxysporum and Fusarium solani 5mm disc of each root rot pathogen
Fusarium solani Macrophomina phaseolina F oxysporum and Rhizoctonia solani was
inoculated in the centre of the petri plates were kept 28oC for 5 days Distance between
paper disc and fungal colonies was measured as inhibition zone which were averaged and
showed in mmThe experiment was performed twice and replicated four times
28
Culture filtrate of Penicillium initiated growth suppression of (root rotting) fungi viz R
solani M phaseolina F oxysporum and F solani in vitro M phaseolina was inhibited by
culture filtrates of Plilacinum Pnigricans and Pthomii at 60microldisc by producing
maximum zone of 20mm Plilacinum Pnigricans and Pthomii also showed zone of
inhibition of 15mm at 20microldisc and 17mm at 40microldisc R solani was inhibited by
producing zone of 14mm at 60microldisc from culture filtrates of Plilacinum Ppurpurogenum
(EPSML3) Ppurpurogenum (EPEHS7) Pasperum and Ppurpurogenum (EPAER14)
Pnigricans and Pthomii produced zone of inhibition of 17mm at 60microldisc against F
solani P decumbens P citrinum Ppurpurogenum (EPSML3) EPSLR4 Pregulosum
Ppurpurogenum (EPEHS7) Pduclauxi Pasperum Pthomii Pjavanicum and
Ppurpurogenum (EPAER14) produced zone of inhibition ranging from 12-14mm at
60microldisc(Table 2)
29
Table 2 In vitro growth inhibition of Macrophomina phaseolina Rhizoctonia solani Fusarium solani and Foxysporum by culture
filtrates of endophytic Penicillium species isolated from wild and cultivated plant species
Fungus No Penicillium spp MPhaseolina Rsolani Fsolani Foxysporum
Zone of inhibition(mm)
Control 0 0 0 0
+ve Control (Carbendazim 20microgdisc) 8 5 9 7
EPSMR1 P citrinum
20microldisc 8 8 8 10
40microldisc 8 10 10 10
60microldisc 16 12 10 12
EPSMS2 Plilacinum
20microldisc 15 10 10 5
40microldisc 17 10 12 5
60microldisc 20 14 12 8
EPSML3 Ppurpurogenum
20microldisc 12 8 10 8
40microldisc 14 8 12 8
60microldisc 14 14 14 12
EPSLR4 P nigricans
20microldisc 15 0 11 8
40microldisc 17 4 15 9
30
Fungus No Penicillium spp MPhaseolina Rsolani Fsolani Foxysporum
Zone of inhibition(mm)
60microldisc 20 8 17 12
EPAAR5 P rugulosum
20microldisc 11 6 8 9
40microldisc 16 10 8 12
60microldisc 16 12 12 12
EPAIR6 P decumbens
20microldisc 12 5 14 12
40microldisc 14 8 14 14
60microldisc 14 8 14 14
EPEHS7 Ppurpurogenum
20microldisc 12 8 10 8
40microldisc 14 8 12 8
60microldisc 14 14 14 12
EPCTS8 Prestrictum
20microldisc 8 0 8 8
40microldisc 10 5 8 9
60microldisc 11 7 12 11
EPASS9 P duclauxi
20microldisc 12 0 12 10
31
Fungus No Penicillium spp MPhaseolina Rsolani Fsolani Foxysporum
Zone of inhibition(mm)
40microldisc 16 6 14 10
60microldisc 16 8 14 12
EPHAL10 Pasperum
20microldisc 10 8 12 10
40microldisc 12 10 16 12
60microldisc 12 14 16 12
EPAER11 Pthomii
20microldisc 15 0 11 8
40microldisc 17 4 15 9
60microldisc 20 8 17 12
EPMCL12 P lividum
20microldisc 12 8 10 9
40microldisc 12 8 12 11
60microldisc 14 12 13 11
EPSLR13 P javanicum
20microldisc 10 0 8 8
40microldisc 12 5 9 8
60microldisc 14 8 10 12
EPAER14 P purpurogenum
32
Fungus No Penicillium spp MPhaseolina Rsolani Fsolani Foxysporum
Zone of inhibition(mm)
20microldisc 12 8 10 8
40microldisc 14 8 12 8
60microldisc 14 14 14 12
33
34 In vitro antibacterial potentail of culture filtrates of endophytic Penicillium
Bacterial lawn of test bacteria was prepared in 90mm Petri dished conating Nutrient
agar and loaded disc of culture filterates at 20microldisc 40microldisc 60microldisc and control were
placed at equal distance in clockwise pattern in according to concentration Water
impregnated disc were used as negative control and Streptomycin 10microgdisc applied as +ve
control for gram +ve bacteria viz Salmonella typhimurium and Escherichia coli and
Penicillin applied as +ve control for gram positive bacteria viz Bacillus subtilus and
Staphlococcus aureus Zones of inhibition produced around the discs after 2-3 days growth
were recorded averaged and showed in millimeter (mm) The performance was conducted
twice and replicated four times
Fourteen isolates of Penicillium species were tested in vitro against four bacterial
species Bacillus subtilus and Staphlococcus aureus (Gram positive) and Salmonella
typhimurium and Escherichia coli (Gram negative)Cell free filtrate of culture of the
Penicillium resulted growth suppression of four bacteria Bsubtilus Saureus S
typhimurium and E coli in vitro Penicillium rugulosum was found to inhibit by Bsubtilus
by producing maximum zone of 9mm at 20microldisc 13mm at 40microldisc and 21mm at
60microldisc P rugulosum was found to inhibit by Saureus by producing maximum zone of
24mm at 20microldisc 30mm at 40microldisc and 30mm at 60microldisc P rugulosum was found to
inhibit S typhimurium by producing maximum zone of 12mm at 20microldisc 20mm at
40microldisc and 20mm at 60microldisc P rugulosum was found to inhibit E coli by producing
maximum zone of 18mm at 20microldisc 22mm at 40microldisc and 22mm at 60microldisc Bsubtilus
was inhibited by P lividum and Plilacinum by producing 16mm and 10mm zone at 20 40
and 60microldisc respectively Saureus was inhibited by P lividum and Plilacinum by
producing zone of inhibition of 18mm at 40 and 60microldisc and 20mm at 60microldisc
respectively E coli was found to inhibit by P decumbens by producing zone of 18mm at all
concentration (Table 3 and Fig 8)
34
Table3 In vitro growth suppression of Bsubtilus Saureus S typhimurium and E coli by culture filtrates of endophytic Penicillium
species
Fungus No Penicillium sp Bsubtilus Saureus S typhimurium E coli
Zone of inhibition mm
Control 0 0 0 0
Streptomycin 20 microgdisc 15 15 15 15
EPSMR1 P citrinum
20microldisc 6 4 4 4
40 microldisc 6 8 8 6
60 microldisc 6 8 8 6
EPSMS2 Plilacinum
20microldisc 10 10 14 8
40 microldisc 10 10 16 8
60 microldisc 10 12 20 8
EPSML3 Ppurpurogenum
20microldisc 4 6 0 0
40 microldisc 6 6 0 4
60 microldisc 8 8 10 4
EPSLR4 P nigricans
20microldisc 0 0 0 0
35
Fungus No Penicillium sp Bsubtilus Saureus S typhimurium E coli
Zone of inhibition mm
40 microldisc 4 4 2 4
60 microldisc 4 8 4 4
EPAAR5 P rugulosum
20microldisc 9 24 12 18
40 microldisc 13 30 20 22
60 microldisc 21 30 20 22
EPAIR6 P decumbens
20microldisc 6 4 10 18
40 microldisc 6 6 12 18
60 microldisc 6 8 14 18
EPEHS7 Ppurpurogenum
20microldisc 0 0 0 0
40 microldisc 8 6 0 0
60 microldisc 10 8 4 4
EPCTS8 P restrictum
20microldisc 2 4 4 4
40 microldisc 8 6 4 8
60 microldisc 8 8 6 12
EPASS9 P duclauxi
36
Fungus No Penicillium sp Bsubtilus Saureus S typhimurium E coli
Zone of inhibition mm
20microldisc 0 4 0 12
40 microldisc 0 4 0 12
60 microldisc 0 6 0 16
EPHAL10 Pasperum
20microldisc 0 8 4 2
40 microldisc 4 10 4 2
60 microldisc 4 10 6 4
EPAER11 Pthomii
20microldisc 0 0 0 4
40 microldisc 0 0 0 8
60 microldisc 0 0 0 8
EPMCL12 P lividum
20microldisc 16 16 8 4
40 microldisc 16 18 12 6
60 microldisc 16 18 12 6
EPSLR13 P javanicum
20microldisc 0 0 0 14
40 microldisc 0 0 0 16
60 microldisc 0 8 0 16
37
Fungus No Penicillium sp Bsubtilus Saureus S typhimurium E coli
Zone of inhibition mm
EPAER14 P purpurogenum
20microldisc 0 0 0 0
40 microldisc 8 6 0 0
60 microldisc 10 8 4 4
38
Fig 8 Growth inhibition of Saureus by the culture filterate of endophytic Penicillium in
disc diffusion method
A=Control B=+ve control C=20microldisc D=40microldisc E=60microldisc
35 In vitro nematicidal potentail of culture filtrates of endophytic Penicillium
spp
Penicillium isolates were grown in CDB (Czapekrsquos Dox broth) pH (72) at (25-
30oC) for 15 days and filtered and culture filtrate was collected in sterile flasks for use
Suspension of 10 juveniles per ml and culture filtrate (1 ml) of Penicillium isolates
shifted in cavity blocks and placed at 26 plusmn5oC These were replicated three times and
mortality rate of juvenile was noticed subsequently 24 and 48 hours
Culture filtrates of endophytic Penicillium exhibited nematicidal effects juveniles
mortality of Meloidogyne javanica occurred at different percentages Out of 14 isolates
tested Ppurpurogenum (EPSML3) initiated 100 killing of juveniles of M javanica in
24 h While 10 isolates initiated 50 or more juveniles mortality in 48 hours (Table 4)
A
B
C
E D
39
Table4 Effect of cell free culture filtrate of endophytic Penicillium spp on juveniles mortality of Meloidogyne javanica after 24 and
48 hours
Treatments Code Juveniles Mortality
24Hours 48Hours
Control(CDA Broth) hellip 0 0
P decumbens EPAIR6 50 76
Pnigricans EPSLR4 10 33
Pregulosum EPAAR5 46 63
P citrinum EPSMR1 36 73
Plilacinum EPSMS2 36 83
Ppurpurogenum EPSML3 100 100
Pduclauxi EPASS9 10 76
Plividum EPMCL12 16 53
Ppurpurogenum EPEHS7 43 76
Prestrictum EPCTS8 76 83
Pthomii EPAER11 43 43
Ppurpurogenum EPAER14 43 76
Pjavanicum EPSLR13 10 33
Pasperum EPHAL10 30 70
40
41
36 In-vitro antimicrobial potentail of solvent fractions of culture filtrtaes of
endophytic Penicillium
In our present study filtrates of culture of each fungus extracted thrice with n-
hexane and then chloroform by shaking vigorously in a separating funnel The extraction
volume of each solvent is approximately half to that of filtrate The n-hexane and
chloroform fractions were collected pooled and finally crude extracts on a rotary vacum
evaporator (Eyela-NE) separately and weighed The dilutions of 15mgml of n-hexane and
chloroform were dissolved in their respective solvents and weighed down on senitized
discs at 20 40 and 60microldisc and dried These are used for antimicrobial test by Disc
Diffusion Method as described for cell free culture filtarates section (Hadacek and Greger
2000) Solvent of respective fractions were served as control streptomycin at 20microgdisc
was used as positive control in determining antibacterial activity against Salmonella
typhimurium Escherichia coli Bacillus subtilus Staphlococcus aureus and Pseudomonas
auroginosa Whereas in antifungal activity carbendazim at 20microgdisc used as positive
control against root rotting fungi Mphaseolina Foxysporum Fsolani and Rsolani
There were four replicates of each treatment
361 In-vitro fungicidal potentail of n-hexane fractions
P rugulosum and Ppurpurogenum (EPEHS7) produced inhibition zones of 20mm
against Mphaseolina whereas P decumbens produced maximum inhibition zones of
25mm against Foxysporum and Fsolani was also inhibited P rugulosum
Ppurpurogenum (EPEHS7) and P nigricans Highest zone of inhibition of 25mm at
60microldisc were produced by P rugulosum against Rsolani (Table 5)
42
Table5 In vitro growth inhibition of M Phaseolina R Solani F solani and F oxysporum by n-Hexane fraction of endophytic
Penicillium species
Fungus No Penicillium sp M phaseolina R solani F solani F oxysporum
Zone of inhibition mm
Control 0 0 0 0
Carbendazim 20 microgdisc 30 30 30 30
EPSLR4 P nigricans
20microldisc 0 18 8 12
40 microldisc 0 18 12 15
60 microldisc 0 18 12 15
EPAAR5 P rugulosum
20microldisc 20 22 20 15
40 microldisc 20 25 20 15
60 microldisc 20 25 20 15
EPAIR6 P decumbens
20microldisc 0 0 0 25
40 microldisc 0 0 0 25
60 microldisc 0 0 0 25
EPEHS7 Ppurpurogenum
20microldisc 20 20 20 0
43
40 microldisc 20 20 20 0
60 microldisc 20 `20 20 0
EPHAL10 Pasperum
20microldisc 0 0 0 0
40 microldisc 0 0 0 0
60 microldisc 0 0 0 0
44
362 In-vitro antibacterial potentail of n-hexane fractions of culture filtrates of
endophytic Penicillium
Pasperum and P rugulosum inhibited Bacillus subtilus by producing inhibition
zones ranging from 12-14mm respectively P rugulosum suppressed the growth of
Staphlococcus aureus by producing inhibition zone 24mm at 60microldisc while P
rugulosum also formed inhibition zones measuring 18mm against Escherichia coli whereas
the inhibition zones of 20mm against Salmonella typhimurium were produced by P
rugulosum Similarly P rugulosum inhibited Pseudomonas auroginosa with zones of
25mm (Table 6 and Fig9-12)
363 In-vitro fungicidal potentail of chloroform fractions of culture filtrates of
endophytic Penicillium
P rugulosum produced inhibition zones of 20mm 25mm 20mm and 15mm at
60microldisc against Fsolani Rsolani Mphaseolina Rsolani and Foxysporum (Table 7)
45
Table6 In vitro growth inhibition of Bsubtilus Saureus S typhimurium E coli and Pauroginosa by n-hexane fraction of
endophytic Penicillium species
Penicillium sp Bsubtilus Saureus S typhimurium E coli Pauroginosa
Zone of inhibition mm
Control 0 0 0 0 0
Streptomycin 20 microgdisc 15 15 15 15 15
EPSLR4 P nigricans
20microldisc 6 10 8 8 8
40 microldisc 9 10 8 8 9
60 microldisc 11 11 9 12 10
EPAAR5 P rugulosum
20microldisc 0 18 18 11 18
40 microldisc 0 21 18 11 22
60 microldisc 0 24 20 18 22
EPAIR6 P decumbens
20microldisc 0 8 16 0 11
40 microldisc 0 8 16 0 11
60 microldisc 0 12 16 0 11
EPEHS7 Ppurpurogenum
20microldisc 5 10 7 8 9
40 microldisc 8 10 7 8 11
46
60 microldisc 8 12 7 8 11
EPHAL10 Pasperum
20microldisc 10 8 6 10 10
40 microldisc 11 9 6 10 10
60 microldisc 12 11 9 10 12
47
Fig9 Growth inhibition of Pauroginosa by the n-hexane fraction endophytic Penicillium in
disc diffusion method
Fig10 Growth inhibition of Saureus by the n-Hexane fraction of endophytic Penicillium in
disc diffusion method
C
+ve C
20microl
60microl
40microl
+veC
20microl
40microl
60microl
C
48
Fig11 Growth inhibition of S typhimurium by the n-Hexane fraction of endophytic
Penicillium in disc diffusion method
Fig12 Growth inhibition of E coli by the n-Hexane fraction of endophytic Penicillium in
disc diffusion method
C
60microl
40microl
20microl +veC
vCCe
veve
+veC
vCCe
veve
C
60microl
20microl
40microl
49
Table7 In vitro growth suppression of M Phaseolina R Solani F solani and F oxysporum by chloroform fraction of endophytic
Penicillium species
Fungus No Penicillium sp M Phaseolina R Solani F solani F oxysporum
Zone of inhibition mm
Control 0 0 0 0
Carbendazim 20 microgdisc 30 30 30 30
EPSLR4 P nigricans
20microldisc 0 0 0 0
40 microldisc 0 0 0 0
60 microldisc 0 0 0 0
EPAAR5 P rugulosum
20microldisc 15 0 20 20
40 microldisc 15 0 20 20
60 microldisc 15 0 20 20
EPAIR6 P decumbens
20microldisc 0 0 0 0
40 microldisc 0 0 0 0
60 microldisc 0 0 0 0
EPEHS7 Ppurpurogenum
20microldisc 25 0 20 15
40 microldisc 25 0 20 15
50
60 microldisc 25 0 20 15
EPHAL10 Pasperum
20microldisc 0 0 0 0
40 microldisc 0 0 0 0
60 microldisc 0 0 0 0
364 In-vitro antibacterial potentail of chloroform fractions of culture filtrates of endophytic Penicillium
P rugulosum inhibited Bacillus subtilus Staphlococcus aureus Salmonella typhimurium and Pseudomonas auroginosa by
producing inhibition zones ranging from 21-18mm P rugulosum while P rugulosum also produced inhibition zones measuring
11mm against Escherichia coli whereas the inhibition zones of 14mm against Escherichia coli were produced by P nigricans
(Table 8 and Fig12)
51
Table8 In vitro growth inhibition of Bsubtilus Saureus S typhimurium E coli and Pauroginosa by chloroform fraction of
endophytic Penicillium species
Fungus No Penicillium sp Bsubtilus Saureus S typhimurium E coli Pauroginosa
Zone of inhibition mm
Control 0 0 0 0 0
Streptomycin 20 microgdisc 15 15 15 15 15
EPSLR4 P nigricans
20microldisc 16 16 14 14 16
40 microldisc 16 16 14 14 18
60 microldisc 18 16 16 14 20
EPAAR5 P rugulosum
20microldisc 18 18 20 11 20
40 microldisc 18 18 20 11 21
60 microldisc 18 18 20 11 21
EPAIR6 P decumbens
20microldisc 0 0 0 0 0
40 microldisc 0 0 0 0 0
60 microldisc 0 0 0 0 0
EPEHS7 Ppurpurogenum
20microldisc 0 0 14 0 0
52
40 microldisc 0 0 14 0 0
60 microldisc 0 0 14 0 0
EPHAL10 Pasperum
20microldisc 0 7 11 0 6
40 microldisc 0 7 11 0 6
60 microldisc 0 10 11 0 9
53
4
Fig13 Growth inhibition of S typhimurium by the chloroform fraction of endophytic
Penicillium in disc diffusion method
C
+ve C
20microl 40microl
60microl
54
3656 Extraction and characterization of compounds from mycelium of endophytic
Penicillium
Czapekrsquos Dox broth of Penicillium regulosum was prepared in (250 ml) conical
flask containing (100 ml) A 5mm disc of test Penicillium was cuttedinoculated and
incubated (25-30degC) and left for 15 days When fungi secreted secondry metabolites then
cell free culture filtrates were obtained by filtering The mycelium was used for the
extraction of compounds
10 gm mycelium was thoroughly washed with n-hexane solvent to remove excess
water and extracted with 200 mL n-hexane using a Soxhlet extractor for 8 h The extracts
were filtered and dried at 40degC by using a rotary vacuum evaporator The oily mass
extracted from mycelium of Penicillium regulosum was subjected to GC-MS analysis
GCMS (Gas chromatographymass spectrometer) analyzed on High Resolution Mass
spectrometer Jeol HX-110 (Japan) equipped with data system DA-5500 in combination with
gas chromatograph Hewlett packard (5890)
Total 23 different chemical compounds were obtained from mycelium fraction Volatile
compound such as normal hydrocarbon (akane and alkene) fatty acid alcohol ether
terpenoids and benzene derivatives including cyclohexane and other compounds that were
found among the volatile metabolites were identified by mass spectral data base (Table 9)
55
(1) Nanodecane
(2) Nonadecane
(3) Heptadecane
(4) Heptacosane
(5) Heptacosane
(6) Eicosane
(7) Octadecane
(replib) Nonadecane
50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 2400
50
10057
71
85
99113 127 141 155 169 183 197
(replib) Nonadecane
60 80 100 120 140 160 180 200 220 240 260 2800
50
10057
71
85
99113 127 141 155 169 183 197 268
(replib) Heptadecane
50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 240 2500
50
10057
71
85
99113 127 141 155 169 182 196 210 240
(replib) Heptacosane
60 80 100 120 140 160 180 200 220 240 260 280 300 320 3400
50
10057
71
85
99113 127 141 155 169 183 197 211 225 239 253 267 281 294 308 322 336
(replib) Heptacosane
60 80 100 120 140 160 180 200 220 240 260 280 300 3200
50
10057
71
85
99113 127 141 155 169 183 197 211 225 239 253 267 281 294 308 322
(mainlib) Eicosane
60 80 100 120 140 160 180 200 220 240 260 2800
50
10057
71
85
99113
127 141 155 169 183 197 211 225 238 252 282
(replib) Octadecane
60 80 100 120 140 160 180 200 220 240 2600
50
10057
71
85
99113 127 141 155 169 183 197 210 225 254
56
(8) Tetradecanoic acid
(9) Dodecane 2610-trimethyl-
(10) i-Propyl tetradecanoate
(11) i-Propyl 12-methyltetradecanoate
(12) Ethyl 13-methyl-tetradecanoate
(13) Widdrol hydroxyether
(mainlib) Tetradecanoic acid
50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 2400
50
100
55
60
69
73
8397 115
129
138
143157
171
185
199209
228
OH
O
(replib) Dodecane 2610-trimethyl-
60 80 100 120 140 160 180 200 220 240 2600
50
10057
71
85
97
113127
141 155 168183 197 212
(mainlib) i-Propyl tetradecanoate
50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 240 2500
50
100
60
71
8397
102
111
129
143157
171
185
199
211
228
O
O
(mainlib) i-Propyl 12-methyltetradecanoate
60 80 100 120 140 160 180 200 220 240 2600
50
10057
60
71
83 97
102
111 129
143153 165
177
185
195 213225
242O
O
(mainlib) Ethyl 13-methyl-tetradecanoate
60 80 100 120 140 160 180 200 220 240 260 2800
50
100
55
61
70
88
101
115129
143
157
171 185 199 213
227
241 255
270
O
O
(mainlib) Widdrol hydroxyether
60 80 100 120 140 160 180 200 220 240 260 2800
50
100
55
69
81
95 109
123
135
140
150
167
177 205223
238
O
OH
57
(14) n-Hexadecanoic acid
(15) Hexadecanoic acid ethyl ester
(16) Oleic Acid
(17) 912-Octadecadienoic acid ethyl ester
(replib) n-Hexadecanoic acid
60 80 100 120 140 160 180 200 220 240 2600
50
10060 73
8397
115
129
143157 171 185
199
213
227 239
256
OH
O
(mainlib) Hexadecanoic acid ethyl ester
60 80 100 120 140 160 180 200 220 240 260 2800
50
100
55
61 73
88
101
115129 143
157
171 185 199 213 225239
255 267284
O
O
(mainlib) 912-Octadecadienoic acid ethyl ester
60 80 100 120 140 160 180 200 220 240 260 280 300 3200
50
100
55
6781
95
109
123135 150 164 178
192 205 220 234
263
279
308
O
O
(replib) Oleic Acid
60 80 100 120 140 160 180 200 220 240 260 2800
50
10055
69
83
97
111
125137 151 165 180 193 207 222 236
264
282
HO
O
58
(18) Ethyl Oleate
(19) cis-10-Nonadecenoic acid
(20) 2-Propenoic acid 3-(4-methoxyphenyl)- 2-ethylhexyl ester
(21) 12-Benzenedicarboxylic acid diisooctyl ester
(replib) Ethyl Oleate
60 80 100 120 140 160 180 200 220 240 260 280 300 3200
50
10055
6983
97
111123
137 155180
194 207
222
236
264
281
310
O
O
(mainlib) cis-10-Nonadecenoic acid
60 80 100 120 140 160 180 200 220 240 260 280 300 3200
50
10055
6983
97
111
125137 151 165 179 194 207 221 236 249 261
278296
HO
O
(mainlib) 2-Propenoic acid 3-(4-methoxyphenyl)- 2-ethylhexyl ester
60 80 100 120 140 160 180 200 220 240 260 280 3000
50
100
55 77 90 103118
133
147
161
178
191 262290
O
O
O
(replib) 12-Benzenedicarboxylic acid diisooctyl ester
60 90 120 150 180 210 240 270 300 330 360 3900
50
100
5770
83 104132
149
167
279
O
O
O
O
(mainlib) Cyclopenta[ad]cycloocten-5-one 1233a456899a1010a-dodecahydro-7-(1-methylethyl)-19a-dimethyl-4-methylene
60 90 120 150 180 210 240 270 300 330 360 3900
50
100
55
69
81
95
107
121
147
173189
215
231
243
258
286
O
59
(22) Cyclopenta[ad]cycloocten-5-one 1233a456899a1010a-dodecahydro-7-(1-
methylethyl)-19a-dimethyl-4-methylene
(23) 2-Aminofluorescein
(mainlib) 2-Aminofluorescein
50 100 150 200 250 300 350 400 450 500 550 600 6500
50
100
63 91
151
189
287
303
318 347
O
O
OHO OH
H2N
60
Table9 GCMS of mycelial fraction of Penicillium regulosum
SNo Scan
No
Systemic Name
(Common Name)
Mol
Formula
Mol
Wt
Ret
Time
Conc
1 2606 Nanodecane C19H40 268 24168 0036
2 2913 Heptadecane C17H36 240 2641 0035
3 2998 Tetradecanoic acid C14H28O2 228 27038 0056
4 3230 Octadecane C18H38 254 28737 0049
5 3264 Dodecane 2610-trimethyl- C15H32 212 28986 0077
6 3331 i-Propyl tetradecanoate C17H34O2 270 29476 0058
7 3381 i-Propyl 12-methyltetradecanoate C18H36O2 284 29842 0097
8 3496 Ethyl 13-methyl-tetradecanoate C17H34O2 270 30684 0054
9 3653 Nonadecane C19H40 268 31834 0064
10 3975 Widdrol hydroxyether C15H26O2 238 34192 0094
11 4096 n-Hexadecanoic acid C16H32O2 256 35078 0079
12 4223 Hexadecanoic acid ethyl ester C18H36O2 284 36007 0094
13 4252 Eicosane C20H42 282 36220 0093
14 5475 Oleic Acid C18H34O2 282 45175 0105
15 5516 912-Octadecadienoic acid ethyl ester C20H36O2 308 45475 0084
16 5546 Ethyl Oleate C20H38O2 310 45694 0065
61
17 5970 cis-10-Nonadecenoic acid C19H36O2 296 48799 0053
18 6023 Heptacosane C27H56 380 49187 0051
19 6072 2-Propenoic acid 3-(4-methoxyphenyl)- 2-ethylhexyl ester C18H26O3 290 49546 0058
20 6281 Heptacosane C27H56 380 51076 0044
21 6591 12-Benzenedicarboxylic acid diisooctyl ester C24H38O4 390 53346 0048
22 6668 Cyclopenta[ad]cycloocten-5-one 1233a456899a1010a-
dodecahydro-7-(1-methylethyl)-19a-dimethyl-4-methylene
C20H30O 286 53910 004
23 8458 2-Aminofluorescein C20H13NO5 347 67016 0135
62
37 Screen house experiments
371 Effect of endophytic Penicillium in soil amended with neem cake in inhibition
of the root diseases and growth of sunflower (2016)
Fourteen isolates of endophytic Penicillium viz P duclauxi Plilacinum
Ppurpurogenum (EPSML3) Pnigricans Pregulosum P decumbens Ppurpurogenum
(EPEHS7) P restrictum P citrinum Pasperum Pthomii Ppurpurogenum (EPAER14)
Plividum Pjavanicum and caused growth suppression of four root rotting fungi in vitro A
25ml five-day-old cell suspension of fungal isolates were drench in 1kg soil obtaining from
experimental field of the Department of Botany each clay pots Carbendazim considered as
+ve control against pathogenic fungi Application of endophytic Penicillium and 1 Neem
cake were also applied in another pot set In each pot (6 seeds per pot) seed of sunflower
(Helianthus annuus) were sown and kept four seedlings after germination Treatments were
replicated four times watered daily
After six weeks experiment were harvested to evaluate the potentail of endophytic
Penicillium on the suppression of pathogens and growth of plant and data on height of
plant weight of fresh shoot length of root weight of root were measured and noted The
infection of root rotting fungi roots cleaned with tap water 5 root pieces of 1cm were
sterilized with 1 bleach and placed on plates poured with (Potato Dextrose Agar) PDA
mixed with penicillin (100000 units litre) and streptomycin (02 glitre) After incubation
of 5 day occurrence of root rots were recorded
Plant grown in soil amended with neem cake generally showed less infection of
root rotting fungi related to plant grown in natural soil (un-amended soil) Plant inoculated
with endophytic Penicillium species most of them showed less infection of root rotting
fungi related to control plant Plants grown in pots received Endophytic Pregulosum in
natural soil and also in amended soil with neem cake showed no infection of F oxysporum
Whereas P Pnigricans Pregulosum P citrinum Ppurpurogenum (EPSML3)
Pduclauxi Pthomii Pjavanicum and P decumbens in amended soil with neem cake also
showed no infection of F oxysporum Combine effect of isolates P decumbens
63
Pnigricans P citrinum P lividum Plilacinum Ppurpurogenum (EPSML3) Pduclauxi
Ppurpurogenum (EPEHS7) P restrictum Pthomii Ppurpurogenum (EPAER14)
Pjavanicum and neem cake showed no infection on Fsolani P decumbens Pnigricans
Pregulosum and Pjavanicum also showed no infection of Fsolani when used alone
Plividum alone showed no infection of Mphaseolina on sunflower roots Combine effect
of P decumbens Pnigricans Pregulosum Pthomii and Pjavanicum with neem cake
showed significant reduction on infection of Mphaseolina Application of P decumbens
Pnigricans P citrinum Plividum Ppurpurogenum (EPEHS7) Ppurpurogenum
(EPAER14) and Pjavanicum showed no infection of Rsolani P decumbens
Pregulosum P citrinum Plilacinum Ppurpurogenum (EPSML3) Pduclauxi
Ppurpurogenum (EPEHS7) P restrictum Ppurpurogenum (EPAER14) Pjavanicum
with neem cake showed no infection of Rsolani While Pnigricans Plividum Pthomii
and Pasperum Significantly suppressed the Rsolani infection when applied in neem cake
amended soil (Table 10)
Greater plant height was produced by Ppurpurogenum (EPEHS7) P restrictum
Ppurpurogenum (EPAER14) and Pasperum when applied in neem cake amended soil
However effect of P restrictum and Pasperum with neem cake were significant on fresh
shoot weight (Table 10) Pnigricans Pthomii and Pjavanicum alone showed significant
result of root length and root weight whereas P decumbens and Pduclauxi with neem
cake showed greater root length (Table 11 and Fig13-14)
64
Table10 Effect of endophytic Penicillium and neem cake on the infection of Fusarium solani Foxysporum Rhizoctonia solani and
Macrophomina phaseolina on sunflower roots in green house experiment
Infection
Treatments Code Foxysporum
Fsolani
M phaseolina Rsolani
NS AS NS AS NS AS NS AS
Control hellip 50 187 75 25 75 50 187 125
Carbendazim hellip 25 0 312 62 125 25 125 0
P decumbens EPAIR6 187 0 0 0 25 187 0 0
Pnigricans EPSLR4 62 0 0 0 375 187 0 62
Pregulosum EPAAR5 0 0 0 187 62 187 62 0
P citrinum EPSMR1 375 0 25 0 125 25 0 0
Plilacinum EPSMS2 25 62 187 0 62 50 62 0
Ppurpurogenum EPSML3 50 0 125 0 62 25 62 0
Pduclauxi EPASS9 50 0 62 0 312 312 62 0
Plividum EPMCL12 50 62 50 0 0 50 0 62
Ppurpurogenum EPEHS7 375 187 375 0 50 312 0 0
Prestrictum EPCTS8 50 62 62 0 125 437 62 0
Pthomii EPAER11 62 0 62 0 375 187 62 62
Ppurpurogenum EPAER14 375 187 375 0 50 312 0 0
Pjavanicum EPSLR13 62 0 0 0 375 187 0 0
Pasperum EPHAL10 125 0 25 187 375 312 62 62
LSD005 Treatment=4651 Pathogen=2322 Soil Type=1643
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
3Mean values in the NS and AS column showing difference greater than LSD value are significantly different at plt005
NS= Natural Soil AS=Amended Soil
65
Table11 Effect of endophytic Penicillium and neem cake on the growth of sunflower in green house experiment
Treatments Code Shoot Length
Shoot Weight
Root Length Root weight
(cm)
(g)
(cm)
(g)
NS AS NS AS NS AS NS AS
Control 22775 3993 253 535 643 1162 0645 0675
Carbendazim 2585 418 2216 451 742 1287 0715 0622
P decumbens EPAIR6 2541 4487 243 512 1103 1406 077 0786
Pnigricans EPSLR4 2824 44 277 527 1221 1218 1005 0645
Pregulosum EPAAR5 2527 4406 25 475 862 1287 0781 0629
P citrinum EPSMR1 2599 4681 218 51 94 862 0726 0807
Plilacinum EPSMS2 22685 4587 205 539 631 558 0663 0578
Ppurpurogenum EPSML3 25211 4087 215 471 932 681 0841 0648
Pduclauxi EPASS9 2541 4487 243 512 1103 1406 077 0786
Plividum EPMCL12 22685 4587 205 539 631 558 0663 0578
Ppurpurogenum EPEHS7 234 4931 153 573 887 725 0583 0748
Prestrictum EPCTS8 26186 4918 214 678 918 757 069 0866
Pthomii EPAER11 2824 44 277 527 1221 1218 1005 0645
Ppurpurogenum EPAER14 234 4931 153 573 887 725 0583 0748
Pjavanicum EPSLR13 2824 44 277 527 1221 1218 1005 0645
Pasperum EPHAL10 26186 4918 214 678 918 757 069 0866
LSD005 5141 7881 07911 1821 2551 2821 01951 031
1 Difference greater than LSD values among means in column are significant at plt005
NS= Natural Soil AS=Amended Soil
66
372 Effect of endophytic Penicillium with neem cake in inhibition of the root
diseases and growth of Sunflower (2017)
Fourteen isolates of endophytic Penicillium viz P citrinum Plilacinum
Ppurpurogenum (EPSML3) Pnigricans Pregulosum P decumbens Ppurpurogenum
(EPEHS7) P restrictum Pduclauxi Pasperum Pthomii Plividum Pjavanicum and
Ppurpurogenum (EPAER14) caused growth suppression of four root rotting fungi in vitro
A 25ml five-day-old cell suspension of fungal isolates were drench in 1kg soil obtaining
from experimental field of the Department of Botany each clay pots Carbendazim
considered as positive control against root rotting fungi Application of endophytic
Penicillium and 1 Neem cake were also applied in another pot set In each pot (6 seeds per
pot) seed of sunflower (Helianthus annuus) were sown and kept four seedlings after
germination Treatments were replicated four times watered daily
After six weeks experiment were harvested to evaluate the potentail of endophytic
Penicillium on the suppression of pathogens and growth of plant and data on plant height
fresh shoot weight root length root weight were measured and noted The infection of
root rotting fungi roots were washed under tap water 5 root pieces of 1cm were sterilized
with 1 bleach and placed on plates poured with Potato Dextrose Agar mixed with
penicillin (100000 units litre) and streptomycin (02 glitre) After incubation of 5 day
occurrence of root rots were recorded
67
68
Fig14 Growth promotion by the endophytic Penicillium in sunflower
Control +veControl EP EP EP
69
Fig14 Growth promotion by the endophytic Penicillium in neem cake amended soil in
sunflower
Control +ve Control EP
+veControl EP
EP
EP EP EP EP
EP
Control
70
Plant grown in soil amended with neem cake generally showed less infection of
root rotting fungi as compared to plant grown in natural soil (un-amended soil) Plant
inoculated with endophytic Penicillium species most of them showed less infection of
root rotting fungi as compared to untreated control Plants grown in pots received
Endophytic Penicillium isolates caused significant reduction except Ppurpurogenum
(EPSML3) and Plividum which caused no reduction as compared to untreated control
on F oxysporum infection Whereas pots received endophytic P citrinum
Ppurpurogenum (EPSML3) Pnigricans Pregulosum P decumbens Pduclauxi
Pthomii Pjavanicum with neem cake showed complete suppression of F oxysporum
Combine effect of isolates Pnigricans P citrinum Plilacinum Plividum P
restrictum Pthomii Pjavanicum and neem cake showed no infection of Fsolani P
decumbens Pnigricans and Pjavanicum also showed complete suppression of
infection of Fsolani while Plividum showed no difference from control when used
alone Plividum alone showed no infection of Mphaseolina on sunflower roots
Combine effect of all treatments with neem cake showed significant reduction on
infection of Mphaseolina Application of P decumbens P citrinum Plividum
Ppurpurogenum (EPEHS7) and Pregulosum showed no infection of Rsolani P
decumbens Pnigricans P citrinum Ppurpurogenum (EPSML3) Pduclauxi
Ppurpurogenum (EPEHS7) P restrictum Ppurpurogenum (EPAER14) and
Pjavanicum with neem cake showed complete suppression of Rsolani (Table 12)
Plant grown in soil amended with neem cake generally showed greater height as
compared to plant grown in natural soil (un-amended soil) Plant inoculated with
endophytic Penicillium species most of them showed larger shoot length as compared to
untreated control Greater plant height was produced by Plilacinum when applied in
neem cake amended soil (Table 13 and Fig 15-17)
71
Table12 Effect of endophytic Penicillium and neem cake on the infection of Fusarium solani Foxysporum Rhizoctonia solani and
Macrophomina phaseolina on sunflower roots in green house experiment
Infection
Treatments Code Foxysporum
Fsolani
M phaseolina Rsolani
NS AS NS AS NS AS NS AS
Control 50 187 50 25 75 75 187 125
Carbendazim 125 62 312 62 125 25 62 62
P decumbens EPAIR6 125 0 0 62 25 187 0 0
Pnigricans EPSLR4 62 0 0 0 312 187 62 0
Pregulosum EPAAR5 125 0 25 62 125 125 0 62
P citrinum EPSMR1 375 0 25 0 125 25 0 0
Plilacinum EPSMS2 25 62 187 0 62 50 62 62
Ppurpurogenum EPSML3 50 0 125 62 62 25 62 0
Pduclauxi EPASS9 25 0 62 62 312 187 62 0
Plividum EPMCL12 50 62 50 0 0 50 0 62
Ppurpurogenum EPEHS7 375 187 312 125 50 31 0 0
Prestrictum EPCTS8 125 62 62 0 125 437 62 0
Pthomii EPAER11 62 0 62 0 375 187 62 62
Ppurpurogenum EPAER14 375 187 312 125 50 312 62 0
Pjavanicum EPSLR13 62 0 0 0 312 187 62 0
Pasperum EPHAL10 125 125 25 187 312 312 62 62
LSD005 Treatment=4451 Pathogen=2222 Soil Type=1573
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
3Mean values in the NS and AS column showing difference greater than LSD value are significantly different at plt005
NS= Natural Soil AS=Amended Soil
72
Table13 Effect of endophytic Penicillium and neem cake on the growth of sunflower in green house experiment
Treatments Code
Shoot Length
(cm)
Shoot Weight
(g)
Root Length Root weight
(cm)
(g)
NS AS NS AS NS AS NS AS
Control 3256 3893 378 642 57 1034 085 131
Carbendazim 3781 4293 452 607 84 1025 124 128
P decumbens EPAIR6 4412 6275 386 1013 7 768 086 213
Pnigricans EPSLR4 4838 6208 489 953 863 656 096 141
Pregulosum EPAAR5 4568 6412 472 994 658 666 0909 128
P citrinum EPSMR1 385 6443 373 1425 75 787 088 226
Plilacinum EPSMS2 345 6551 206 1019 706 645 072 161
Ppurpurogenum EPSML3 3545 6037 2405 909 677 593 091 144
Pduclauxi EPASS9 4412 6275 386 1013 7 768 086 213
Plividum EPMCL12 345 6551 206 1019 706 645 072 161
Ppurpurogenum EPEHS7 385 59 245 886 868 1118 083 163
Prestrictum EPCTS8 4158 5006 362 818 6102 1275 067 186
Pthomii EPAER11 4838 6208 489 953 863 656 096 141
Ppurpurogenum EPAER14 385 59 245 886 868 1118 083 163
Pjavanicum EPSLR13 4838 6208 489 953 863 656 096 141
Pasperum EPHAL10 4158 5006 362 818 6102 1275 067 186
LSD005 10331 8971 2271 5521 3021 2171 04581 1071
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
NS= Natural Soil AS=Amended Soil
73
Fig15 Growth promotion by the endophytic Penicillium in soil amended with neem cake
in sunflower
373 Effect of endophytic Penicillium with neem cake in inhibition of root diseases
and mung bean growth
In an experiment a 25 ml cell suspension of five-day-old cultures of Fourteen
isolates of endophytic Penicillium viz P citrinum Plilacinum Ppurpurogenum
(EPSML3) Pnigricans Pregulosum P decumbens Ppurpurogenum (EPEHS7) P
restrictum Pduclauxi Pasperum Pthomii Plividum Pjavanicum and
Ppurpurogenum (EPAER14) were applied in pots filled with 1 Kg soil Endophytic
Penicillium were drench in each pots with 1 neem cake in another pot set Mung bean
(Vigna radiata) seeds were sown pots (6 seeds per pot) Four seedlings were remained in
each pots after germination Treatments were replicated four times and data were noticed
after 45 days
EP
Carbendazim Control
74
No infection of Foxysporum were found Plilacinum Ppurpurogenum (EPSML3)
and Pduclauxi when used in natural soil Whereas infection of Foxysporum was also not
found where Plilacinum Pnigricans and Pduclauxi used in neem cake amended soil
Significant reduction in infection of Fsolani was seen in natural soil by all isolates whereas
in neem cake amended soil all isolates also showed significant reduction other than P
citrinum which showed infection equal to control treatment 75 No infection of
Mphaseolina was showed by P citrinum in both type of soil whereas P restrictum also
showed no infection of Mphaseolina only in natural soil Control showed no infection of
Rsolani in natural soil while Pnigricans Pasperum Pthomii and Pjavanicum in
amended soil showed no infection of Rsolani (Table 14)
Use of endophytic Plividum with neem cake caused a significant increase in
plant height while Pnigricans Plilacinum Ppurpurogenum (EPEHS7) Pasperum
Pthomii Pjavanicum and Ppurpurogenum (EPAER14) showed significant result in
natural soil Ppurpurogenum (EPEHS7) and Ppurpurogenum (EPAER15) showed
significant growth on Shoot weight in natural soil In natural soil greater root length was
showed by Plilacinum whereas in amended soil P restrictum Pasperum Pthomii and
Pjavanicum showed larger root length (Table 15)
75
Table14 Effect of endophytic Penicillium with neem cake on the infection of Fusarium solani Foxysporum Rhizoctonia solani and
Macrophomina phaseolinaon mung bean roots in green house experiment
Infection
Treatments Code Foxysporum
Fsolani
M phaseolina Rsolani
NS AS NS AS NS AS NS AS
Control hellip 50 312 100 75 100 50 0 562
Carbendazim hellip 125 62 50 312 187 25 0 25
P decumbens EPAIR6 125 25 375 437 187 437 0 125
Pnigricans EPSLR4 62 0 50 187 125 187 0 0
Pregulosum EPAAR5 125 187 437 50 312 50 62 562
P citrinum EPSMR1 62 62 437 75 0 0 62 62
Plilacinum EPSMS2 0 0 50 125 312 62 187 62
Ppurpurogenum EPSML3 0 25 375 50 25 25 437 187
Pduclauxi EPASS9 0 0 437 375 25 375 62 25
Plividum EPMCL12 62 25 25 687 125 375 62 50
Ppurpurogenum EPEHS7 62 125 375 312 187 187 62 25
Prestrictum EPCTS8 12 25 437 375 0 312 62 187
Pthomii EPAER11 62 62 437 25 125 312 0 0
Ppurpurogenum EPAER14 62 125 375 312 187 187 62 25
Pjavanicum EPSLR13 62 0 50 187 125 187 0 0
Pasperum EPHAL10 435 125 25 25 25 187 0 0
LSD005 Treatment=5611 Pathogen=2802 Soil Type=1983
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
3 Mean values in the NS and AS column showing difference greater than LSD value are significantly different at plt005
NS= Natural Soil AS=Amended Soil
76
Table15 Effect of endophytic Penicillium and neem cake on the growth of mung bean in green house experiment
Treatments Code Shoot Length
Shoot Weight
Root Length Root weight
(cm)
(g)
(cm)
(g)
NS AS NS AS NS AS NS AS
Control hellip 1375 1714 078 08 1531 4652 051 014
Carbendazim hellip 139 1865 073 1322 1556 473 056 015
P decumbens EPAIR6 1359 161 089 1055 1233 5002 055 023
Pnigricans EPSLR4 1463 1452 077 031 1125 6375 031 011
Pregulosum EPAAR5 1358 1775 073 0732 1943 4905 032 017
P citrinum EPSMR1 1299 1606 059 0617 165 477 039 016
Plilacinum EPSMS2 148 1685 083 0662 251 4175 046 022
Ppurpurogenum EPSML3 1299 1606 059 0617 165 477 039 016
Pduclauxi EPASS9 1187 1916 069 0855 1108 4562 017 016
Plividum EPMCL12 132 2147 061 1358 2252 4785 026 022
Ppurpurogenum EPEHS7 1448 1917 092 1115 1543 445 059 016
Prestrictum EPCTS8 1268 1874 068 1102 1087 702 031 02
Pthomii EPAER11 1463 179 077 1203 1125 7025 031 024
Ppurpurogenum EPAER14 1448 1917 092 1115 1543 445 059 016
Pjavanicum EPSLR13 1463 179 077 1203 1125 7025 031 024
Pasperum EPHAL10 1463 1874 077 1102 1125 702 031 02
LSD005 1611 4011 0191 2141 8421 1151 0171 0071
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
NS= Natural Soil AS=Amended Soil
77
374 Effect of Endophytic Penicillium and cotton cake in inhibition of root
diseases and mung bean growth
A 25 ml five-day-old cell suspension of fourteen isolates of endophytic
Penicillium viz P citrinum Plilacinum Ppurpurogenum (EPSML3) Pnigricans
Pregulosum P decumbens Ppurpurogenum (EPEHS7) P restrictum Pduclauxi
Pasperum Pthomii Plividum Pjavanicum and Ppurpurogenum (EPAER14) were
applied in clay pots filled with 1 Kg soil In similler set endophytic Penicillium were
drench in each pots alongwith 1 cotton cake Seeds of mungbean (Vigna radiata)
were sown Four seedlings were kept in each pot after germination Carbendazim (200
ppm) 25 ml pot considered as positive control
After 45 days data were noted Different Fsolani and Foxysporum infection
showed between plants treated with different isolates was significant Endophytic
Penicillium isolates separete or combine with cotton cake caused significant reduction
M phaseolina infection Plants grown in soil treated with Pnigricans Pregulosum P
decumbens Ppurpurogenum (EPEHS7) Pthomii Plividum Pjavanicum and
Ppurpurogenum (EPAER14) in cotton cake amended soil showed no infection of R
solani (Table 16)
Cotton cake and Pnigricans Pthomii Pjavanicum significant increased root
length and fresh root weight related to control plants While combine use of cotton cake
and P decumbens significantly improved fresh shoot weight (Table 17)
78
Table16 Effect of Endophytic Penicillium and cotton cake on the infection of Fusarium solani Foxysporum Rhizoctonia solani and
Macrophomina phaseolina on mungbean roots in green house experiment
Infection
Treatments Code Foxysporum
Fsolani
M phaseolina Rsolani
NS AS NS AS NS AS NS AS
Control hellip 50 50 100 75 100 75 0 187
Carbendazim hellip 125 50 50 75 187 75 0 187
P decumbens EPAIR6 125 0 375 312 187 375 0 0
Pnigricans EPSLR4 62 187 50 437 125 375 0 0
Pregulosum EPAAR5 125 62 437 125 312 187 62 0
P citrinum EPSMR1 62 25 437 437 0 437 62 187
Plilacinum EPSMS2 0 375 50 687 312 25 187 62
Ppurpurogenum EPSML3 0 437 375 50 25 687 437 185
Pduclauxi EPASS9 0 312 437 562 25 562 62 65
Plividum EPMCL12 62 125 25 25 125 25 62 0
Ppurpurogenum EPEHS7 62 0 375 312 187 125 62 0
Prestrictum EPCTS8 125 312 437 312 0 312 62 65
Pthomii EPAER11 62 187 437 437 125 375 0 0
Ppurpurogenum EPAER14 62 0 375 312 187 125 62 0
Pjavanicum EPSLR13 62 187 50 437 125 375 0 0
Pasperum EPHAL10 437 375 25 312 25 562 0 125
LSD005 Treatment=5891 Pathogen=2942 Soil Type=2083
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
3Mean values in the NS and AS column showing difference greater than LSD value are significantly different at plt005
NS= Natural Soil AS=Amended Soil
79
Table17 Effect of Endophytic Penicillium and Cotton cake on the growth of mung bean in green house experiment
Treatments Code
Shoot Length
Shoot Weight Root Length Root weight
(cm)
(g)
(cm)
(g)
NS AS NS AS NS AS NS AS
Control hellip 1375 1364 078 089 1531 613 051 031
Carbendazim hellip 139 1398 073 106 1556 699 056 038
P decumbens EPAIR6 1359 147 089 142 1233 79 055 039
Pnigricans EPSLR4 1463 1435 077 119 1125 1185 031 071
Pregulosum EPAAR5 1358 1322 073 101 1943 746 032 036
P citrinum EPSMR1 1299 1318 059 193 165 961 039 037
Plilacinum EPSMS2 148 1438 083 116 251 1096 046 045
Ppurpurogenum EPSML3 1299 1318 059 193 165 961 039 037
Pduclauxi EPASS9 1187 1438 069 13 1108 1178 017 048
Plividum EPMCL12 132 1323 061 107 2252 1024 026 048
Ppurpurogenum EPEHS7 1448 12875 092 107 1543 933 059 041
Prestrictum EPCTS8 1268 1453 068 128 1087 972 031 046
Pthomii EPAER11 1463 1435 077 119 1125 1185 031 071
Ppurpurogenum EPAER14 1448 12875 092 107 1543 933 059 041
Pjavanicum EPSLR13 1463 1435 077 119 1125 1185 031 071
Pasperum EPHAL10 1463 1453 077 128 1125 972 031 046
LSD005 1611 2661 0191 091 8421 271 0171 0291
1 Difference greater than LSD values among means in column are significant at plt005
NS= Natural Soil AS=Amended Soil
80
375 Effect of endophytic Penicillium in inhibition of root diseases and
mungbean growth
A 25 ml five-day-old cell suspension of fourteen isolates of endophytic
Penicillium viz P citrinum Plilacinum Ppurpurogenum (EPSML3) Pnigricans
Pregulosum P decumbens Ppurpurogenum (EPEHS7) P restrictum Pduclauxi
Pasperum Pthomii Plividum Pjavanicum and Ppurpurogenum (EPAER14) were
applied in clay pots filled with 1 Kg soil In similler set endophytic Penicillium were
drench in each pots alongwith 1 cotton cake Seeds of mungbean (Vigna radiata)
were sown Four seedlings were kept in each pot after germination Carbendazim (200
ppm) 25 ml pot considered as positive control
No infection of Foxysporum was found by Plilacinum and Pduclauxi
treatments Significant reduction in infection of Fsolani was seen by all isolates No
infection of Mphaseolina was showed by P citrinum and P restrictum All treatments
showed significant reduction on infection of Rsolani although Pnigricans P
decumbens Pthomii and Pjavanicum showed 0 infection (Table 18)
Application of Endophytic Pasperum caused a significant increase in plant
height Showed significant result in natural soil P citrinum caused significant growth
on Shoot weight Root length showed non-significant result P decumbens showed
greater fresh root weight (Table 19)
81
Table18 Effect of Endophytic Penicillium on the infection of Fusarium solani Foxysporum Rhizoctonia solani and
Macrophomina phaseolina on mung bean roots in green house experiment
Treatments Code Foxysporum Fsolani M phaseolina Rsolani
Infection
Control --------- 50 100 100 50
Carbendazim --------- 25 50 50 62
P decumbens EPAIR6 125 375 187 0
Pnigricans EPSLR4 62 50 125 0
Pregulosum EPAAR5 125 437 312 62
P citrinum EPSMR1 62 437 0 62
Plilacinum EPSMS2 0 50 312 187
Ppurpurogenum EPSML3 25 25 312 25
Pduclauxi EPASS9 0 437 25 62
Plividum EPMCL12 62 25 125 65
Ppurpurogenum EPEHS7 62 375 187 62
Prestrictum EPCTS8 125 437 0 62
Pthomii EPAER11 62 50 125 0
Ppurpurogenum EPAER14 62 375 187 62
Pjavanicum EPSLR13 62 50 125 0
Pasperum EPHAL10 437 25 25 62
LSD005 Treatment=7601 Pathogen=3802
82
Table19 Effect of endophytic Penicillium on the growth of mung bean in green house experiment
Treatments Code Shoot Lenght Shoot Weight Root Length Root weight
(cm) (g) (cm) (g)
Control ---------- 1475 0522 4972 0098
Carbendazim --------- 1635 0987 3737 009
P decumbens EPAIR6 1382 0799 4462 0154
Pnigricans EPSLR4 1088 0794 4467 0101
Pregulosum EPAAR5 1414 0737 391 0087
P citrinum EPSMR1 1344 0987 4617 0137
Plilacinum EPSMS2 1399 0823 4195 0128
Ppurpurogenum EPSML3 1344 0987 4617 0137
Pduclauxi EPASS9 1434 0696 4127 0096
Plividum EPMCL12 1639 0752 4147 0121
Ppurpurogenum EPEHS7 1471 0642 435 0085
Prestrictum EPCTS8 1468 0928 4153 0088
Pthomii EPAER11 1482 0711 3865 0072
Ppurpurogenum EPAER14 1471 0642 435 0085
Pjavanicum EPSLR13 1482 0711 3865 0072
Pasperum EPHAL10 1608 0787 3875 0066
LSD005 2891 0261 0741 0051
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
83
84
376 Effect of endophytic Penicillium in soil amended with neem cake in
inhibition the root diseases and tomato growth
In this experiment 25 ml of five-day-old cell suspension of fourteen isolates of
endophytic Penicillium viz P citrinum Plilacinum Ppurpurogenum (EPSML3)
Pnigricans Pregulosum P decumbens Ppurpurogenum (EPEHS7) P restrictum
Pduclauxi Pasperum Pthomii Plividum Pjavanicum and Ppurpurogenum
(EPAER14) were applied in each pots filled 1 Kg soil In same other set endophytic
Penicillium were applied in each pots alongwith 10g neem cake per pot Three-week-
old four equal sized tomato (Lycopersicon exculentum) seedlings grown in autoclaved
soil were shifted in pots Carbendazim (200 ppm) 25 ml pot considered as positive
control Treatments were replicated four times and data were noticed after 60 days
Application of endophytic P decumbens P citrinum and Pduclauxi and P
restrictum alone affected a complete suppression of Foxysporum infection Whereas
Pduclauxi was found no infection of Foxysporum when used with neem cake (Table
20) Endophytic Penicillium are found effective against Fsolani in both type of soil
When P decumbens and Pduclauxi were used alone Infection of M phaseolina was
significantly reduced In neem cake amended soil untreated control showed no infection
of M phaseolina Difference in R solani infection among plants received different
treatment was non significant in both type of soil natural and amended (Table 20)
Plants grown in natural soil received P decumbens Pnigricans Pduclauxi
Ppurpurogenum (EPAER14) and Pjavanicum fungal culture showed better growth
than untreated control Pasperum with neem cake showed highly significant plant
height of 24cm (Table 21 and Fig18-20)
85
Table20 Effect of endophytic Penicillium and neem cake on the infection of Fusarium solani Foxysporum Rhizoctonia solani and
Macrophomina phaseolina on tomato roots in green house experiment
Infection
Treatments Code Foxysporum
Fsolani
M phaseolina Rsolani
NS AS NS AS NS AS NS AS
Control hellip 437 312 625 625 312 0 312 0
Carbendazim hellip 562 187 312 437 875 187 375 0
P decumbens EPAIR6 0 437 62 562 187 125 75 0
Pnigricans EPSLR4 312 562 187 625 375 312 687 0
Pregulosum EPAAR5 25 562 437 562 312 0 437 62
P citrinum EPSMR1 0 50 62 625 625 62 75 0
Plilacinum EPSMS2 50 437 437 562 375 125 687 62
Ppurpurogenum EPSML3 50 62 437 312 437 125 437 0
Pduclauxi EPASS9 0 0 62 25 187 125 50 62
Plividum EPMCL12 50 437 437 562 375 0 687 62
Ppurpurogenum EPEHS7 62 187 312 25 375 25 375 125
Prestrictum EPCTS8 0 312 187 437 25 187 562 0
Pthomii EPAER11 187 562 312 562 50 312 562 0
Ppurpurogenum EPAER14 62 187 312 25 375 25 375 125
Pjavanicum EPSLR13 312 562 187 625 375 312 687 0
Pasperum EPHAL10 62 312 125 562 25 62 812 0
LSD005 Treatment=5921 Pathogen=2962 Soil Type=2093
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
3Mean values in the NS and AS column showing difference greater than LSD value are significantly different at plt005
NS= Natural Soil AS=Amended Soil
86
Table 21 Effect of endophytic Penicillium and neem cake on the growth of tomato in green house experiment
Treatments Code Shoot Length Shoot Weight Root Length Root weight
(cm) (g) (cm) (g)
NS AS NS AS NS AS NS AS
Control hellip 12 1544 18 407 126 333 155 063
Carbendazim hellip 1318 2362 177 802 943 637 134 156
P decumbens EPAIR6 1672 1131 243 153 1185 666 057 033
Pnigricans EPSLR4 1681 1357 247 201 1082 848 069 033
Pregulosum EPAAR5 1497 1841 211 295 1106 833 05 048
P citrinum EPSMR1 1732 1755 297 389 922 1149 064 056
Plilacinum EPSMS2 132 1303 193 254 1242 529 052 046
Ppurpurogenum EPSML3 128 1087 171 109 1078 612 054 025
Pduclauxi EPASS9 1672 2255 243 636 1185 597 057 11
Plividum EPMCL12 1307 1303 178 254 1242 529 052 046
Ppurpurogenum EPEHS7 1307 1581 178 382 1242 1025 054 094
Prestrictum EPCTS8 1513 1755 191 389 135 1149 046 056
Pthomii EPAER11 1328 1375 214 234 148 466 046 055
Ppurpurogenum EPAER14 1681 1581 178 382 1242 1025 048 094
Pjavanicum EPSLR13 1681 1357 247 201 1082 848 069 033
Pasperum EPHAL10 1328 2412 18 732 1225 775 06 126
LSD005 271 5171 0691 2091 3731 3031 1031 0631
1 Difference greater than LSD values among means in column are significant at plt005
NS= Natural Soil AS=Amended Soil
87
Fig18 Growth promotion by the endophytic Penicillium in tomato
EP
88
377 Effect of endophytic Penicillium in soil amended with cotton cake in
inhibition of root diseases and tomato growth
In this experiment 25 ml of five-day-old cell suspension of fourteen isolates of
endophytic Penicillium viz P citrinum Plilacinum Ppurpurogenum (EPSML3)
Pnigricans Pregulosum P decumbens Ppurpurogenum (EPEHS7) P restrictum
Pduclauxi Pasperum Pthomii Plividum Pjavanicum and Ppurpurogenum
(EPAER14) were applied in each pots filled 1 Kg soil In same other set endophytic
Penicillium were applied in each pots alongwith 10g neem cake per pot Three-week-old
four equal sized tomato (Solanum Lycopersicum) seedlings grown in autoclaved soil
were shifted in pots Carbendazim (200 ppm) 25 ml pot was considered as positive
control Treatments were replicated four times and data were recorded after 60 days
Application of endophytic P decumbens P citrinum Pduclauxi and P
restrictum alone affected a broad inhibition of Foxysporum infection Whereas
Pregulosum was found no infection of Foxysporum when used with cotton cake (Table
22) Endophytic Penicillium are found effective against Fsolani in natural soil In
cotton cake amended soil Pnigricans and Pduclauxi showed significant reduction in
Fsolani infection When P decumbens and Pduclauxi were used alone Infection of M
phaseolina was significantly reduced In cotton cake amended soil Pregulosum P
citrinum Plilacinum Ppurpurogenum (EPSML3) and Plividum showed no infection
of M phaseolina Difference in R solani infection among plants received different
treatment was non-significant in natural soil and in cotton cake amended soil no
infection of Rsolani was found (Table 22)
89
Table 22 Effect of endophytic Penicillium and cotton cake on the infection of Fusarium solani Foxysporum Rhizoctonia solani and
Macrophomina phaseolina on tomato roots in green house experiment
Infection
Treatments Code Foxysporum
Fsolani
M phaseolina Rsolani
NS AS NS AS NS AS NS AS
Control hellip 437 50 625 25 312 62 312 0
Carbendazim hellip 562 437 312 187 875 125 375 0
P decumbens EPAIR6 0 62 62 562 1875 187 75 0
Pnigricans EPSLR4 312 62 187 187 375 62 687 0
Pregulosum EPAAR5 25 0 437 437 312 0 437 0
P citrinum EPSMR1 0 62 62 562 625 0 75 0
Plilacinum EPSMS2 50 187 437 375 375 0 687 0
Ppurpurogenum EPSML3 50 187 437 62 437 0 437 0
Pduclauxi EPASS9 0 562 62 562 187 25 50 0
Plividum EPMCL12 50 187 437 375 375 0 687 0
Ppurpurogenum EPEHS7 62 125 312 437 375 125 375 0
Prestrictum EPCTS8 0 625 187 312 25 62 562 0
Pthomii EPAER11 187 312 312 25 50 125 562 0
Ppurpurogenum EPAER14 62 125 312 437 375 125 375 0
Pjavanicum EPSLR13 312 62 187 187 375 62 687 0
Pasperum EPHAL10 62 125 125 50 25 62 812 0
LSD005 Treatment=5691 Pathogen=2842 Soil Type=2013
1Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
3Mean values in the NS and AS column showing difference greater than LSD value are significantly different at plt005
NS= Natural Soil AS=Amended Soil
90
Plants grown in natural soil received P decumbens Pnigricans Pduclauxi
Ppurpurogenum (EPAER14) and Pjavanicum fungal culture showed better growth
than untreated control P restrictum with cotton cake showed highly significant plant
height Pnigricans and Pjavanicum showed greater fresh shoot weight in amended
soil Root length in both type of soil was non-significant Whereas fresh root weight
was non-significant in natural soil In cotton cake amended soil Pduclauxi showed
significant fresh root weight (Table 23 and Fig21)
378 Effect of endophytic Penicillium with neem cake in inhibition of root
diseases and chickpea growth
Fourteen isolates of endophytic Penicillium viz P citrinum Plilacinum
Ppurpurogenum (EPSML3) Pnigricans Pregulosum Pdecumbens Ppurpurogenum
(EPEHS7) P restrictum Pduclauxi Pasperum Pthomii Plividum Pjavanicum and
Ppurpurogenum (EPAER14) caused suppression of four root rotting fungi in vitro A
25ml cell suspension of five-day-old culture of fungal isolates were drench in each pots
filled with 1kg soil Carbendazim considered as positive control against root rotting
fungi Combine use of endophytic Penicillium and 1 Neem cake were drenched in
another same set Chickpea (Cicer arietinum) seeds were sown in pots (6 seeds per pot)
After one week four seedlings were kept in each pots and extra were detached
Treatments were replicated four times and watered daily Data were recorded after six
weeks
91
Table23 Effect of endophytic Penicillium and cotton cake on the growth of tomato in green house experiment
Treatments Code
Shoot
Length
Shoot
Length
Shoot
Weight
Shoot
Weight
Root
Length
Root
Length
Root
weight
Root
weight
(cm) (cm) (g) (g) (cm) (cm) (g) (g)
NS AS NS AS NS AS NS AS
Control hellip 12 1633 18 554 126 1757 155 105
Carbendazim hellip 1318 2232 177 666 943 2285 134 163
P decumbens EPAIR6 1672 205 243 539 1185 1225 057 125
Pnigricans EPSLR4 1681 225 247 83 1082 15 069 183
Pregulosum EPAAR5 1497 1978 211 548 1106 1046 05 153
P citrinum EPSMR1 1732 1912 297 512 922 9 064 155
Plilacinum EPSMS2 132 2347 193 741 1242 1298 052 156
Ppurpurogenum EPSML3 128 1725 171 465 1078 925 054 061
Pduclauxi EPASS9 1672 214 243 69 1185 153 057 237
Plividum EPMCL12 1307 2347 178 741 1242 1298 052 156
Ppurpurogenum EPEHS7 1307 2068 178 612 1242 1131 054 108
Prestrictum EPCTS8 1513 2467 191 828 135 1817 046 225
Pthomii EPAER11 1328 225 214 657 148 155 046 164
Ppurpurogenum EPAER14 1681 2068 178 612 1242 1131 048 108
Pjavanicum EPSLR13 1681 225 247 83 1082 15 069 183
Pasperum EPHAL10 1328 2101 18 525 1225 1095 06 135
LSD005 271 4291 0691 3281 3731 5851 1031 091
1 Difference greater than LSD values among means in column are significant at plt005
92
Fig 21 Growth promotion by the endophytic Penicillium in soil amended with cotton
cake in tomato
EP
93
Plants grown in pots received endophytic Penicillium isolates Ppurpurogenum
(EPSML3) and Pthomii in natural soil and in amended soil with neem cake P
decumbens Pnigricans Ppurpurogenum (EPSML3) Ppurpurogenum (EPEHS7)
Pjavanicum and Ppurpurogenum (EPAER14) showed no infection of F oxysporumIn
unamended soil Fsolani was found significantly reduced except isolate Pasperum
Whereas in amended soil infection of Fsolani was non significant In unamended soil
Mphaseolina was found significantly reduced Combine effect of isolates
Ppurpurogenum (EPSML3) Ppurpurogenum (EPEHS7) Ppurpurogenum (EPAER14)
and neem cake showed significant result on Mphaseolina infection Application of
Pregulosum P decumbens P restrictum Pduclauxi Pasperum and Pthomii showed
no infection of Rsolani in natural soil Amended soil with neem cake showed no
infection of Rsolani (Table 24)
Greater plant height was produced by P decumbens Pnigricans Pregulosum
and Pduclauxi when applied in natural soil Effect of P restrictum and P citrinum with
neem cake showed highest plant height Untreated control of amended soil showed
highest value of fresh shoot weight and fresh root weight related to other treatments
whereas fresh shoot weight in natural soil showed significant result in all treatments
except Pthomii P decumbens and Pduclauxi alone showed highest root length and
fresh root weight In amended soil Ppurpurogenum (EPAER14) showed significant
root length (Table 25 and Fig22-27)
94
Table24 Effect of endophytic Penicillium and neem cake on the infection of Fusarium solani Foxysporum Rhizoctonia solani and
Macrophomina phaseolina on chickpea roots in green house experiment
Infection
Treatments Code Foxysporum
Fsolani
M phaseolina Rsolani
NS AS NS AS NS AS NS AS
Control hellip 375 0 50 125 437 375 25 0
Carbendazim hellip 0 0 25 25 312 375 125 0
P decumbens EPAIR6 187 0 125 312 375 687 0 0
Pnigricans EPSLR4 125 0 312 437 375 562 375 0
Pregulosum EPAAR5 62 62 187 437 375 50 0 0
P citrinum EPSMR1 312 187 187 312 375 50 187 0
Plilacinum EPSMS2 62 62 437 125 62 625 25 0
Ppurpurogenum EPSML3 0 0 375 25 62 312 62 0
Pduclauxi EPASS9 187 375 125 25 375 50 0 0
Plividum EPMCL12 62 62 437 125 62 625 25 0
Ppurpurogenum EPEHS7 187 0 25 375 125 312 62 0
Prestrictum EPCTS8 375 375 25 25 125 50 0 0
Pthomii EPAER11 0 187 437 187 62 25 0 0
Ppurpurogenum EPAER14 187 0 25 375 125 312 62 0
Pjavanicum EPSLR13 312 0 187 43 312 562 375 0
Pasperum EPHAL10 125 62 50 125 125 812 0 0
LSD005 Treatment=4901 Pathogen=2452 Soil Type=1733
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
3Mean values in the NS and AS column showing difference greater than LSD value are significantly different at plt005
NS= Natural Soil AS=Amended Soil
95
Table25 Effect of endophytic Penicillium and neem cake on the growth of chickpea in green house experiment
Treatments Code Shoot Length Shoot Weight Root Length Root weight
(cm) (g) (cm) (g)
NS AS NS AS NS AS NS AS
Control hellip 2369 2225 274 837 274 975 211 303
Carbendazim hellip 239 2975 32 821 2187 1537 376 235
P decumbens EPAIR6 2925 2911 376 388 3037 1293 522 116
Pnigricans EPSLR4 293 3357 339 661 2331 1391 376 12
Pregulosum EPAAR5 2928 3315 332 633 2296 9 387 117
P citrinum EPSMR1 267 3384 313 668 2397 975 394 098
Plilacinum EPSMS2 2768 2801 31 698 2155 1132 35 109
Ppurpurogenum EPSML3 2587 3332 3075 738 267 137 432 141
Pduclauxi EPASS9 2925 2911 376 388 3037 1293 522 116
Plividum EPMCL12 2768 2801 31 698 2155 1132 35 109
Ppurpurogenum EPEHS7 2698 3077 326 506 2202 1565 413 139
Prestrictum EPCTS8 2667 3384 3205 668 2735 975 351 098
Pthomii EPAER11 239 30 296 799 2416 1062 427 125
Ppurpurogenum EPAER14 2698 3077 326 506 2202 1565 413 139
Pjavanicum EPSLR13 2618 3357 341 661 2587 1391 438 12
Pasperum EPHAL10 2856 2891 344 763 1921 1352 306 13
LSD005 471 4931 0941 3331 7321 5451 1611 11071
1 Difference greater than LSD values among means in column are significant at plt005
NS= Natural Soil AS=Amended Soil
96
Fig22 Growth promotion by the endophytic Penicillium in chickpea
Fig23 Growth promotion by the endophytic Penicillium in chickpea
EP
S
EP
97
Fig24 Growth promotion by the endophytic Penicillium in chickpea
EP
EP
98
Fig25 Growth promotion by the endophytic Penicillium in soil amended with neem cake
in chickpea
Fig 26 Growth promotion by the endophytic Penicillium in soil amended with neem cake
in chickpea
EP
EP
99
Fig27 Growth promotion by the endophytic Penicillium in soil amended with neem cake
in chickpea
379 Effect of endophytic Penicillium with mustard cake in suppressing the root
diseases and growth of chickpea
Fourteen isolates of endophytic Penicillium viz P citrinum Plilacinum
Ppurpurogenum (EPSML3) Pnigricans Pregulosum P decumbens Ppurpurogenum
(EPEHS7) P restrictum Pduclauxi Pasperum Pthomii Plividum Pjavanicum and
Ppurpurogenum (EPAER14) caused suppression of four root rotting fungi in vitro A
25ml cell suspension of five-day-old culture of fungal isolates were drench in each pots
filled with 1kg soil Carbendazim considered as positive control against root rotting
fungi Combine use of endophytic Penicillium and 1 mustared cake were drenched in
another same set Chickpea (Cicer arietinum) seeds were sown in pots (6 seeds per pot)
After one week four seedlings were kept in each pots and extra were detached
Treatments were replicated four times and watered daily Data were recorded after six
weeks
Root rot fungi infection was less in amended soil as compared to unamended
soil No infection of Foxysporum was found in Ppurpurogenum (EPSML3) and
Pthomii in unamended soil P citrinum Ppurpurogenum (EPSML3) Pnigricans
Pregulosum P decumbens Ppurpurogenum (EPEHS7) Pduclauxi Pjavanicum and
Ppurpurogenum (EPAER14) with mustard cake amendment showed complete
suppression of Foxysporum P decumbens and Ppurpurogenum (EPSML3) in
amended soil showed less infection of Fsolani while Plividum showed 100 infection
of Fsolani in amended soil Infection of M phaseolina in unamended soil was
significant whereas in amended soil untreated control showed no infection of M
phaseolina Treatment of Pthomii and Ppurpurogenum (EPAER14) in mustard cake
amended soil showed less infection of R solani while P citrinum Pnigricans
Pregulosum Pduclauxi Pjavanicum and Plividum showed non-significant result
(Table 26)
100
Natural soil showed greater plant height as compared to mustard cake amended
soil Pnigricans showed greater plant length as compared to other treatments In
amended soil plant height was non-significant statisticaly (Table 27)
101
Table 26 Effect of endophytic Penicillium and mustard cake on the infection of Fusarium solani Foxysporum Rhizoctonia solani and
Macrophomina phaseolina on chickpea roots in green house experiment
Infection
Treatments Code Foxysporum Fsolani M phaseolina Rsolani
NS AS NS AS NS AS NS AS
Control hellip 375 125 50 312 437 0 25 187
Carbendazim hellip 0 125 25 437 312 62 125 125
P decumbens EPAIR6 187 0 125 62 375 0 0 0
Pnigricans EPSLR4 125 0 312 437 375 187 375 437
Pregulosum EPAAR5 62 0 187 312 375 187 0 25
P citrinum EPSMR1 312 0 187 625 375 187 187 312
Plilacinum EPSMS2 62 62 437 50 62 25 25 125
Ppurpurogenum EPSML3 0 0 375 6 62 0 62 125
Pduclauxi EPASS9 187 0 125 625 375 62 0 312
Plividum EPMCL12 62 62 437 100 62 25 25 312
Ppurpurogenum EPEHS7 187 0 25 187 125 0 62 125
Prestrictum EPCTS8 375 62 25 125 125 125 0 62
Pthomii EPAER11 0 62 437 125 62 62 0 62
Ppurpurogenum EPAER14 187 0 25 187 125 125 62 125
Pjavanicum EPSLR13 312 0 187 312 31 187 375 437
Pasperum EPHAL10 125 0 50 187 125 0 0 0
LSD005 Treatment=4461 Pathogen=2232 Soil Type=1583
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
3Mean values in the NS and AS column showing difference greater than LSD value are significantly different at plt005
NS= Natural Soil AS=Amended Soil
102
Table 27 Effect of endophytic Penicillium and mustard cake on the growth of chickpea in green house experiment
Treatments Code Shoot Length Shoot Weight Root Length Root weight
(cm) (g) (cm) (g)
NS AS NS AS NS AS NS AS
Control hellip 2369 2188 274 406 274 692 211 58
Carbendazim hellip 239 2134 32 42 2187 937 376 499
P decumbens EPAIR6 2925 1525 376 288 3037 75 522 53
Pnigricans EPSLR4 293 1955 339 476 2331 758 376 137
Pregulosum EPAAR5 2928 1907 332 633 2296 875 387 1238
P citrinum EPSMR1 267 1916 313 556 2397 756 394 1172
Plilacinum EPSMS2 2768 1929 31 417 2155 946 35 383
Ppurpurogenum EPSML3 2587 12 3075 241 267 65 432 532
Pduclauxi EPASS9 2925 192 376 561 3037 1115 522 819
Plividum EPMCL12 2768 1929 31 417 2155 946 35 383
Ppurpurogenum EPEHS7 2698 1787 326 55 2202 925 413 734
Prestrictum EPCTS8 2667 185 3205 315 2735 45 351 099
Pthomii EPAER11 239 2305 296 626 2416 9 427 931
Ppurpurogenum EPAER14 2698 1787 326 55 2202 925 413 739
Pjavanicum EPSLR13 2618 2305 341 626 2587 9 438 931
Pasperum EPHAL10 2856 1662 344 582 1921 925 306 834
LSD005 471 6131 0941 3011 7321 2921 1611 6151
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
NS=NaturalSoilAS=AmendedSoil
103
3710 Effect of endophytic Penicillium and fungicides in inhibition of root infection
and sunflower growth
Four isolates of endophytic Penicillium viz P citrinum (EPSMR1) Pnigricans
(EPSLR4) P decumbens (EPAIR6) and Pasperum (EPHAL10) caused suppression of
four root rotting fungi in vitro and revealed significant growth in in vivo were selected to
evaluate the combine effect with three different fungicides (Feast-M Carbendazim and
Topsin-M) A 25ml five-day-old cell suspension of fungal isolates were applied in pots
filled with 1kg soil In same other set pots were also applied combine application of
endophytic Penicillium and fungicides Each fungicide were also drench 25ml of 200ppm
in each pot Sunflower (Helianthus annuus) seeds were sown in pot (6 seeds per pot)
After one week four seedlings were kept in pots and extra were detached Treatments were
replicated four times and watered according to requirement Data were recorded after six
weeks
All three fungicides alone showed no infection of F oxysporum Plants grown in pots
received endophytic Penicillium isolate P decumbens and Pasperum with Feast-M showed
no infection of infection of F oxysporum Plants grown in pots received endophytic
Penicillium isolate Pnigricans with carbendazim and Pnigricans and P citrinum with
Topsin-M showed complete suppression of infection of F oxysporum All treatments
showed less infection of Fsolani as compared to control All treatments showed less
infection of Mphaseolina as compared to untreated control except P citrinum Pnigricans
alone and P decumbens Pasperum combine with Topsin-M showed 100 Mphaseolina
infection on sunflower roots Combine effect of Pasperum with Topsin-M and P citrinum
alone showed no infection of Rsolani Feast-M+ Pasperum and carbendazim showed no
difference from untreated control (Table 28)
Greater plant height was produced by carbendazim+ Pnigricans However greater
fresh shoot weight was produced by Feast-M alone (Table 29)
104
Table 28 Effect of endophytic Penicillium and fungicides on the infection of Fusarium solani Foxysporum Rhizoctonia solani and
Macrophomina phaseolina on sunflower roots in green house experiment
Infection
Treatments Foxysporum Fsolani M phaseolina Rsolani
Control 75 100 100 75
Feast-M 0 37 687 625
Feast-M+ P citrinum 62 75 625 687
Feast-M+ Pnigricans 187 812 687 687
Feast-M+ P decumbens 0 312 50 625
Feast-M+ Pasperum 0 50 81 75
Carbendazim 0 812 75 75
Carbendazim+P citrinum 62 562 87 687
Carbendazim+ Pnigricans 0 75 625 187
Carbendazim+P decumbens 62 812 812 687
Carbendazim+ Pasperum 187 562 75 312
Topsin-M 0 437 812 62
Topsin-M+ P citrinum 0 812 437 125
Topsin-M+ Pnigricans 0 75 312 437
Topsin-M+P decumbens 687 687 100 25
Topsin-M+ Pasperum 875 25 100 0
P citrinum 437 687 100 0
Pnigricans 125 812 100 62
P decumbens 187 50 437 187
Pasperum 125 50 562 125
LSD005 Treatment=11271 Pathogen=5042
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
105
Table 29 Effect of endophytic Penicillium and fungicides on the growth of sunflower in green house experiment
Treatments ShootLength ShootWeight Root Length Root weight
Control 3197 339 288 288
Feast-M 4269 451 526 526
Feast-M+ P citrinum 4024 367 434 434
Feast-M+ Pnigricans 4008 347 381 381
Feast-M+ P decumbens 4137 348 513 513
Feast-M+ Pasperum 3685 341 492 492
Carbendazim 3675 319 398 398
Carbendazim+ P citrinum 3933 326 464 464
Carbendazim+ Pnigricans 394 323 466 466
Carbendazim+ P decumbens 3807 315 527 527
Carbendazim+ Pasperum 3729 259 47 47
Topsin-M 3935 314 383 383
Topsin-M+ P citrinum 3353 264 388 388
Topsin-M+ Pnigricans 3386 299 427 427
Topsin-M+ P decumbens 337 229 409 409
Topsin-M+ Pasperum 3249 264 433 433
P citrinum 3268 249 432 432
Pnigricans 2788 201 401 401
P decumbens 3421 3007 446 446
Pasperum 3262 229 363 363
LSD005 5751 0811 1041 1041
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
106
3711 Effect of endophytic Penicillium on okra growth
In this experiment six seeds of okra (Abelmoschus esculentus) were sown in
earthen pots filled with 5 kg garden soil and watered watered daily to gained the 50
WHC (Keen and Raczkowiski 1921) P nigricans (EPSLR4) P rugulosum (EPAAR5)
and P decumbens (EPAIR6) (8x107 cfumL) used as soil drench in each pot and four
seedlings were kept after germination Treatments were replicated four times in screen
house Carbendazim was considered as a positive control and data were recorded after 90
days of germination
Treatments showed significant (Plt005) reduction of F solani and R solani
related to control (Table 30)
Application of P rugulosum resulted maximum plant height highest shoot weight
and root length while maximum root weight produced due to the treatment of carbendazim
and P decumbens Maximum number of fruits produced by Pnigricans and P decumbens
resulted highest fresh fruit weight(Table 31)
Highest polyphenol content resulted by Pnigricans and highest antioxidant activity
determined due to the drenching of Pnigricans after 1 minute and after 30 minute
Application of P rugulosum resulted maximum production of salicylic acid (Table 31)
Application of antagonist showed significant outcome on okra fruits Highest pH
showed by Pnigricans Application of P decumbens resulted highest tritable acidity value
then in Pnigricans and P rugulosum (Table 33) Application of carbendazim resulted
highest moisture content then in P rugulosum in fruits Maximum protein resulted by P
rugulosum then in P decumbens while highest carbohydrate caused by P decumbens
then in Pnigricans All the treatments showed significant (Plt005) Increased polyphenol
content showed by all treatments as compared to control (Table 34) P decumbens
resulted highest polyphenol followed by P rugulosum as compared to untreated plants P
rugulosum resulted significant improve in antioxidant potentail(Fig28)
107
Table30 Effect of endophytic Penicillium as soil drench on the infection of Macrophomina phaseolina Rhizoctonia solani Fusarium
solani and F oxysporum in garden soil
Infection
Treatments Foxysporum Fsolani M phaseolina Rsolani
Control 0 50 625 50
Carbendazim 0 125 100 312
P decumbens 0 0 625 312
Pnigricans 0 62 50 125
P rugulosum 0 187 562 25
LSD005 Treatment=14321 Pathogen=12802
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
108
Table31 Effect of endophytic Penicillium as soil drench on growth of okra plants in garden soil
Treatments Shoot Length Shoot Weight Root Length Root Weight Number of
Fruits Fruit weight
(cm) (g) (cm) (g)
Control 3831 1058 1596 305 023c 708c
Carbendazim 3421 832 1659 546 045b 683c
P decumbens 4523 1167 1756 438 052a 1106a
Pnigricans 4265 1172 1794 188 054a 894b
P rugulosum 4592 1295 1967 2405 025c 533d
LSD005 511 4281 3431 581 00261 04841
1 Difference greater than LSD values among means in column are significant at plt005
109
Table32 Effect of endophytic Penicillium as soil drench on polyphenol salicylic acid and antioxidant activity of okra plants in garden
soil
Treatments Polyphenol Antioxidant () Salicylic Acid
microgml After 1 minute After 30 minutes microgml
Control 137e 2711e 2878e 0053d
Carbendazim 172d 4608d 4908d 0048e
P decumbens 308c 4974c 5256c 0093c
Pnigricans 424a 5744a 6229a 0116b
P rugulosum 364b 5393b 5859b 0161a
LSD005 00311 01361 04211 00041
1 Difference greater than LSD values among means in column are significant at plt005
110
Table33 Effect of endophytic Penicillium as soil drench on biochemical parameters of ok ra fruits
Treatments pH Tritable acidity Moisture content Total solids Total Soluble Solid
Sucrose
Control 587c 0087c 8668d 1353b 245d
Carbendazim 585c 013b 9175a 803e 257c
P decumbens 59c 0194a 8434e 1559a 31a
Pnigricans 629a 0128b 8715c 1287c 28b
P rugulosum 605b 0128b 8808b 1185d 317a
LSD005 0121 000571 0211 01031 0121
1 Difference greater than LSD values among means in column are significant at plt005
111
Table 34 Effect of endophytic Penicillium as soil drench on polyphenol antioxidant activity protein and carbohydrates of okra fruits
in garden soil
Treatments Antioxidant Polyphenol Protein Carbohydrates
microgml microgml microgml
Control 2647e 665e 13e 69d
Carbendazim 3575d 734d 27d 86c
P decumbens 4906c 1613a 5263b 1033a
Pnigricans 5115b 96c 39c 99b
P rugulosum 5631a 122b 5566a 9833b
LSD005 10591 01441 21941 3711
1 Difference greater than LSD values among means in column are significant at plt005
112
3712 Effect of endophytic Penicillium on the growth root rotting fungi and
induction of systemic resistance in tomato
Filled earthen pots with 5 kg of soil and watered according to requirement to
maintain 50 WHC (Keen and Raczkowiski 1921) P nigricans (EPSLR4) P
rugulosum (EPAAR5) and P decumbens (EPAIR6) (8x107 cfumL) used as soil drench
Four equal sized seedlings of tomato were transfered in pots Treatments were four time
replicated Carbendazim was considered as a positive control and data were recorded
after 90 days
Most of the treatment showed significant (Plt005) results of R solani F solani
and M phaseolina as relation to control plants (Table 35)
Application of Pnigricans showed highest plant height shoot weight by P
decumbens Maximum number of fruits produced by Pnigricans and P decumbens
resulted highest fresh fruit weight(Table 36)
P rugulosum showed improved polyphenol as compare to control plants
Highest antioxidant activity resulted by P decumbens and carbendazim after 1 minute
and after 30 minute P rugulosum showed highest antioxidant activity Application of
Pnigricans and P decumbens resulted maximum production of salicylic acid (Table
37)
Application of endophytic Penicillium showed significant effect on tomato
fruits Highest pH noticed when soil treated with Pnigricans and P decumbens
Maximun tritable acidity produced by P decumbens (Table 38) Highest protein
produced by P rugulosum then in P decumbens while carbohydrate resulted by
Pnigricans followed by P decumbens All the treatments showed increase polyphenol
content as compare to control (Table 39) Pnigricans showed significant enhancment in
antioxidant activity related to control
113
Table35 Effect of endophytic Penicillium as soil drench on the infection of Macrophomina phaseolina Rhizoctonia solani Fusarium
solani and F oxysporum in garden soil
Infection
Treatments Foxysporum Fsolani M phaseolina Rsolani
Control 312 100 937 562
Carbendazim 187 125 625 0
P decumbens 437 62 312 0
Pnigricans 312 0 187 25
P rugulosum 187 0 187 312
LSD005 Treatment1=1455 Pathogen2=1302
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
114
Table36 Effect of endophytic Penicillium as soil drench on growth of tomato plants in garden soil
Treatments Shoot Length Shoot Weight Root Length Root Weight Number of Fruits Fruit weight
(cm) (g) (cm) (g)
Control 52 1974 1816 35 30a 5801b
Carbendazim 4646 1322 1629 237 20c 4083a
P decumbens 443 2161 1283 418 2133c 995a
Pnigricans 55 1892 1561 315 32a 4286d
P rugulosum 5197 1695 1205 334 256b 4779c
LSD005 1481 18611 5391 4011 3781 0131
1 Difference greater than LSD values among means in column are significant at plt005
115
Table 37 Effect of endophytic Penicillium as soil drench on polyphenol salicylic acid and antioxidant activity of tomato plants in
garden soil
Treatments Polyphenol Antioxidant () Salicylic Acid
microgml After 1 minute After 30 minutes microgml
Control 090a 40a 139a 014a
Carbendazim 019a 49a 127a 018a
P decumbens 0076a 44a 131a 019a
Pnigricans 0076a 33a 103a 019a
P rugulosum 0108a 33a 292a 017a
LSD005 01081 01671 0301 00791
1 Difference greater than LSD values among means in column are significant at plt005
116
Table 38 Effect of endophytic Penicillium as soil drench on biochemical parameters of tomato fruits
Treatments pH Tritable acidity Firmness Total Soluble Solid
N Sucrose
Control 411c 023c 34a 323c
Carbendazim 418b 027bc 143b 806a
P decumbens 43a 034a 076b 676ab
Pnigricans 43a 030ab 126bc 613b
P rugulosum 418b 030ab 086bc 686ab
LSD005 00621 00541 0211 1311
1 Difference greater than LSD values among means in column are significant at plt005
117
Table 39 Effect of endophytic Penicillium as soil drench on polyphenol antioxidant activity protein and carbohydrates of tomato
fruits in garden soil
Treatments Antioxidant Polyphenol Protein Carbohydrates
microgml microgml microgml
Control 1966c 573e 16d 63a
Carbendazim 333b 756d 28c 78a
P decumbens 503a 1853a 51a 104a
Pnigricans 52a 1026c 41b 97a
P rugulosum 496a 125b 52a 96a
LSD005 5591 0471 5771 2391
1 Difference greater than LSD values among means in column are significant at plt005
118
38 FIELD EXPERIMENTS
381 Effect of Pseudomonas monteilii and endophytic Penicillium on okra growth in
field condition
The experiment carried out in 2 times 2 meter field and replicated four times Cell
suspension of endophytic Penicillium (8x107 cfumL) were drench at 200-ml per meter row
alone and in combination with Pseudomonas monteilii 20 seeds of okra were seeded in
rows Topsin-M at 200 ppm were also used alone as a positive control On the basis upon
the requirement plants were watered with difference of 2-3 days The field had infestation
of 2080 cfug of soil of a diverse population of F solani and F oxysporum 10-22
sclerotia of M phaseolina g of soil and 8-17 colonization of R solani on sorghum
seeds used as baits naturally To evaluate the potential of Pseudomonas monteilii and
endophytic Penicillium plants were harvested (form each row 4 plants took) after 45 and
90 days of germination Incidence of root rotting fungi plant physical parameters and
resistance biomarkers were recorded
Significant (Plt005) inhibition of F oxysporum showed by most of treatments as
compere to control except P rugulosum P decumbens + Pseudomonas monteilii and
Topsin-M after 45 days (Table 40) Maximum reduction of Fsolani were observed in
plants treated with Pseudomonas monteilii and Pnigricans + Pseudomonas monteilii after
45 days While maximum reduction of M phaseolina observed in application of P
rugulosum+ Pseudomonas monteilii after 45 days Application of P rugulosum+
Pseudomonas monteilii and Pnigricans showed maximum reduction of Rsolani after 45
days
Highest length of shoot and weight of shoot were observed in plants Maximum
plant hieght were observed after 45 and 90 days intervals with mixed application of
Pnigricans with Pseudomonas monteilii Highest weight of shoot were also observed in
combine application of Pnigricans with Pseudomonas monteilii after 45 and 90 days
while application of Pseudomonas monteilii resulted maximum length of root after 45
days Significant increase in root length produced after 90 days from combine application
of Pnigricans with Pseudomonas monteilii Highest root weight resulted from combine
119
application of Pnigricans with Pseudomonas monteilii after 45 and 90 days Combine
application of P decumbens with Pseudomonas monteilii resulted highest number and
weight of fruits produced after 90 days (Table 41)
After 45 days most of the treatments shown significantly high phenols except
Topsin-M Most of the treatments shown maximum antioxidant activity significantly
except P rugulosum after 1 minute whereas maximum antioxidant activity showed by
Pseudomonas monteilii after 30 minutes P decumbens showed maximum production of
salicylic acid after 45 days (Table 42)
All the treatment showed significant effect on phenolic content except Topsin-M
and P decumbens whereas all the treatment showed significant effect on antioxidant
activity except Topsin-M and P decumbens with Pseudomonas monteilii after 1 and 30
minutes after 90 days Maximum production of salicylic acid showed in combine treatment
of Pnigricans with Pseudomonas monteilii after 90 days (Table 43)
In this experiment combine application of Pseudomonas monteilii and endophytic
Penicillium showed significant increase in physiobiochemical of okra fruits Combine
activity of Pnigricans + Pseudomonas monteilii resulted highest antioxidant activity in
fruits followed by Pseudomonas monteilii alone Highest polyphenol content resulted due
to the application of Pseudomonas monteilii followed by combine application of P
rugulosum with Pseudomonas monteilii Protein were showed maximum in combine
application of P decumbens with Pseudomonas monteilii and Pseudomonas monteilii
alone (Table 44) On the other side carbohydrate content observed highest in combine
application of P rugulosum with Pseudomonas monteilii Application of Pseudomonas
monteilii resulted maximum of total solids whereas combination of P rugulosum with
Pseudomonas monteilii produced highest of moisture Significant increase in pH showed
by Topsin-M followed by combination of Pnigricans with Pseudomonas monteilii and
maximum tritable acidity was showed by P decumbens (Table 45)
120
Table 40 Effect of Pseudomonas monteilii and endophytic Penicillium as soil drench on the infection of M phaseolina Rsolani F
solani and F oxysporum in soil under field condition
Infection
Treatments Foxysporum Fsolani M phaseolina Rsolani
45 90 45 90 45 90 45 90
Control 375 0 562 312 937 100 562 0
Topsin-M 375 0 625 25 937 100 687 0
Pseudomonas monteilii 25 62 25 312 875 100 625 0
P decumbens 62 0 50 375 68 100 375 0
Pnigricans 125 187 562 687 875 100 312 0
P rugulosum 312 62 562 375 812 100 437 0
P rugulosum + Pseudomonas monteilii 187 12 312 50 625 937 312 0
P decumbens + Pseudomonas monteilii 312 62 437 25 812 687 562 0
Pnigricans + Pseudomonas monteilii 62 125 25 375 687 625 75 0
LSD005 Treatments1= 8931 Pathogens2=5952 Treatments1=13341 Pathogens2=8 892
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
121
Table 41 Effect of Pseudomonas monteilii and endophytic Penicillium as soil drench on growth of okra plants under the field
condition
Treatments Shoot Length
(cm)
Shoot Weight
(g)
Root Length
(cm)
Root Weight
(g)
Number
of Fruits
Fruit
weight
Control 45 90 45 90 45 90 45 90 90 90
Topsin-M 4178 6192 2228 4325 1368 2426 204 823 086g 246i
Pmontelii 422 6375 1765 4731 1267 2377 133 98 12f 31h
Penicillium decumbens 477 6861 2271 507 1839 2684 255 1056 246b 456d
P nigricans 4233 6617 1971 4887 1486 2578 167 1003 143e 1146a
Prugulosum 4866 7083 1635 5095 1378 2311 172 967 176d 331g
P rugulosum 4373 7026 2063 2051 1371 2464 169 709 123f 35f
P rugulosum + P monteilii 5768 8658 3164 5518 1167 3008 207 1208 143e 42e
P decumbens + P monteilii 5553 9499 1867 5897 1409 2938 187 1217 277a 661b
Pnigricans + P monteilii 5907 9867 4043 6095 14 3188 296 1923 22c 623c
LSD005 961 1321 131 1181 3551 1371 0831 2961 0111 0111
1 Difference greater than LSD values among means in column are significant at plt005
122
Table 42 Effect of Pseudomonas monteilii and endophytic Penicillium as soil drench on polyphenol salicylic acid and antioxidant
activity of okra plants in soil under field condition after 45 days
Treatments
Polyphenol
microgml
Antioxidant () Salicylic Acid
microgml After 1 minute After 30 minutes
Control 183h 7314e 7721e 007f
Topsin-M 146i 9119a 9886a 0113d
Pseudomonas monteilii 321f 784d 8466d 0144c
P decumbens 245g 6639g 6858g 0168a
Pnigricans 573c 8044c 8852c 0084e
P rugulosum 474d 7074f 7643f 0154bc
P rugulosum + P monteilii 336e 5045i 6038h 0105d
P decumbens + P monteilii 713b 5186h 5779i 0086e
Pnigricans + P monteilii 773a 8356b 8992b 0165ab
LSD005 00721 10191 06531 00121
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
123
Table 43 Effect of Pseudomonas monteilii and endophytic Penicillium as soil drench on polyphenol salicylic acid and antioxidant
activity of okra plants in soil under the field condition after 90 days
Treatments Polyphenol
microgml
Antioxidant () Salicylic Acid
microgml After 1 minute After 30 minutes
Control 25def 6656e 7135f 0038g
Topsin-M 183f 4922f 5575g 0074bc
Pseudomonas monteilii 326cde 8345a 8885a 0052e
P decumbens 226ef 7804b 8539b 0072c
Pnigricans 52b 7726c 8233c 0066d
P rugulosum 41c 7165d 7851d 0042f
P rugulosum + P monteilii 343cd 7744c 8241c 0066d
P decumbens + P monteilii 683a 3254g 4917h 0077b
Pnigricans + P monteilii 74a 6852e 7604e 0105a
LSD005 10061 05191 04731 0003081
1 Difference greater than LSD values among means in column are significant at plt005
124
Table44 Effect of Pseudomonas monteilii and endophytic Penicillium as soil drench on polyphenol antioxidant activity protein and
carbohydrates of okra fruits in soil under field condition
Treatments Antioxidant Polyphenol Protein Carbohydrate
microgml microgml microgml
Control 5102g 646g 1466g 5966f
Topsin-M 5514f 716f 2566f 67e
Pseudomonas monteilii 6662b 136a 6766a 126a
P decumbens 5933d 976d 56d 101b
Pnigricans 5838d 816e 43e 92d
P rugulosum 6521c 114c 59c 96c
P rugulosum + P monteilii 5659e 124b 66b 102b
P decumbens + P monteilii 6616bc 11c 6766a 100b
Pnigricans + P monteilii 6909a 86e 56d 97c
LSD005 10451 06241 14081 2471
1 Difference greater than LSD values among means in column are significant at plt005
125
Table 45 Effect of Pseudomonas monteilii and endophytic Penicillium as soil drench on
biochemical parameters of okra fruits under field condition
Treatments pH
Tritable
acidity
Moisture
content
Total
solids
Total Soluble
Solid
Sucrose
Control 624a 0102c 8774b 1222f 1425e
Topsin-M 619ab 0126b 8653e 1339b 1475e
Pseudomonas monteilii 615b 0124b 8458f 1522a 2975d
P decumbens 606d 0185a 8632e 1355b 3125cd
Pnigricans 613bc 0127b 8752bcd 1249de 33bc
P rugulosum 607cd 0124b 8735cd 1256d 302d
P rugulosum + P monteilii 606d 0123b 8842a 117g 375a
P decumbens + Pmonteilii 603d 0122b 876bc 1233ef 342b
Pnigricans + P monteilii 616b 0125b 8723d 128c 305d
LSD005 00641 00041 03021 0171 02221
1 Difference greater than LSD values among means in column are significant at plt005
126
127
128
4 DISCUSSION
Microbes and Higher plants are the rich source of novel drugs In last 50 years
numerous effective drugs primarily extracted from fungi have been discoverd
(Smedsgaard and Nielsen 2005) Among them many bioactive compounds have been
produced from endophytes also known as an exceptional source as its capability to
inhabitate the plants in every environmental condition (Strobel and Daisy 2003) In
current study 14 endophytic Penicillium isolates were isolated (root stem and leaves)
from wild plants (Achyranthus aspera Atriplex stocksii Euphorbia hirta Chorchorus
tridens) and cultivated plant (Solanum melongena Lycopersicon esculentum
Helianthus annuus Azadirachta indica Abelmoschus esculentus Momordica
charantia) collected from different parts of Sindh province These findings is an
agreement to the earlier reports about the existence of Penicillium as endophyte
(Korejo et al 2014) Similar as (Ravindran et al 2012) A flavus from
mangrovesreported as an endophytes also
The microbes exist inter andor intra celluler of plant called ldquoendophytesrdquo
Endophytes gives variety of advantages to the host with vast applications in agriculture
and medicine (Clay and Rudgers 2005 Alvarez-Loayza 2011) Endophytes reside
inside the plant effects on plant health and survival They give strenght against abiotic
and biotic stresses and take nourishment from the plant Almost all vascular plants
studied till date have endophytic fungi in parts of their life cycle Plant pathogens and
pests are comparatively less attacked medicinal plants therefore endophytic micro-biota
can be of boundless significance in protecting plants from pests (Kaushik 2012)
Several studies on synthesis of secondry metabolites isolated from endophytic
fungi have found Among them some compounds used to discover new therapeutic
drugs (Strobel et al 2004) About 300000 plant species presented on land having
atleast one or more of fungi From many different plants including trees like yew and
pine and fodders like sorghum clover alfalfa and vegetables like tomatoes carrot
radish sweet potatoes lettuce and soybean fruits like citrus pineapple banana
pineapple and cereal grains like wheatrice and maizeand other crops like sugarcane
129
coffee and marigold have been examined for endophytes (Rosenblueth and Romero
2006) Several plants of medicinal importance such as Actinidia macrosperma (wild
kiwifruit) Ricinus communisTectona grandis Samanea saman Garcinia Picrorhiza
kurroa Cannabis sativa Withania somnifera Rauwolfia serpentine Cedrus deodara
Abies pindrow Pinus roxburgii Nothapodytes nimmoniana Platanus orientalis
Artemisia annua Brucea javanica M sieboldii and Calotropis procera have been
studied for endophytes Species of Alternaria Colletotrichum Aspergillus Fusarium
Gliocladium Cunninghamella Phomopsis Alternaria Fusarium Chaetomium
Nigrospora Cladosporium Alternaria Fusarium Aspergillus Curvularia
Cladosporium sp Aspergillus sp Nigrospora sp Fusarium sp Trichoderma sp
Chaetomium sp Alternaria sp Paecilomyces sp and Phyllostica are frequently
isolated from many agricultural and native plant species as endophytic fungi (Rubini et
al 2005 Guo et al 2008 Veja et al 2008 Gazis and Chaverri 2010 Kurose et al
2012 Parsa et al 2016) and Penicillium (H Kim 2014 Hassan 2017 Gautam 2013
Meng 2011 Peterson 2005 Qader 2015 Devi 2014 Shoeb 2014 Yin Lu et al 2011
Sandhu et al 2014 Phongpaichit et al 2006ukanyanee et al 2006 Qadri et al
2013 Liang 2014Cai and Wang 2012 Sandhu et al 2014b Cai 2012 Qadri 2013
In current study most of the endophytic Penicillium isolated Endophytic fungi
identified according to Domsch et al (1980) Dugan (2006) Raper and Thom (1949)
Barnett and Hunter (1998) and Visagie et al (2014) Identification of the promising
isolates was done through PCR amplification
Endophytic Penicillium isolated and tested for vitro and vivo activity in current
report most of the isolates showed inhibitory potential for fungi (root rotting) Fungal
endophytes that have useful impact on plant growth as biocontrol agents because their
effect against disease by inhabiting internal tissues of plants (Yuan et al 2017
Amatuzzi 2017) Similar biological position as pathogenic microorganism Berg et al
(2005) But in difference to plant pathogens they do not cause injury to host plant and
go inside plants for taking nourishment (Kobayashi and Palumbo 2000) Various
research are existing regarding the valuable function of fungal endophytes like act as
antagonist to phytopathogens and enhance growth of several crops (Waqas et al 2015
130
Veja et al 2008 Bahar et al 2011 Mendoza and Sikora 2009) Moreover
commercial application of Aspergillus spp Penicillium spp and Chaetomium spp for
the making of bioactive compounds that reveal antimicrobial and fungicidal activities (
Wang et al 2012 Jouda et al 2014)
In crop plants fungal endophytes are slightly recognized to play a role in the
production of gibberellins and resistance to stress abiotically Abiotic stressors like
drought heat and salinity symbiotic fungi can help plants to minimize the effect of
these stresses (Rodriguez et al 2008) In coastal plants fungal strains of P
funiculosum and P janthinellum are produced resistance against salt stress (Khan et al
2011 2013) Endophytic P citrinum produced gibberellins for their plant host (Khan et
al 2008) For plant growing stages with leaf enlargement pollen growth seed
sprouting stem elongation gibberellins are essential (Achard et al 2009) and influence
the growth of plant and adjustment throughout the early stages Thus endophytic fungi
possibly support their host plant to take nutrients and also stimulate hosts
growth The Trichoderma spp as considered to a giver of resistance facilitating plant
protection (Rubini et al 2005 Verma et al 2007 Bailey et al 2009 Kurose et al
2012) In this report cell free filtrates of culture and their fractions of endophytic
Penicillium exposed significant Escherichia coli Staphylococcus aureus Salmonella
typhimurium antibacterial activity against Bacillus subtilis Staphylococcus aureus and
Pseudomonas aeruginosa by forming inhibition zone in disc diffusion method
Endophytic Penicillium are also effective against bacterial pathogens with root rotting
fungi (Manmeet and Thind 2002) assessed antagonistic activity of Bacillus subtilis
Pseudomonas aeruginosa Trichoderma harzianum and Penicillium notatum against
causative agent of the bacterial blight of rice caused by Xanthomonas oryzae pv
oryzae in vitro and results showed that B subtilis P fluorescens and T harzianum
stop the growth of pathogen Our findings are an agreement to (Korejo et al 2014)
They reported that cell free filtrates of culture of endophytic Penicillium spp revealed
antifungal and antibacterial potentail Against a humen pathogen Vibriocholerae
(MCM B-322) produced desease cholera the cell free culture of P
chrysogenum revealed significant potential (Devi et al 2012) Many fungal endophytes
are the main source to secrete bioactive compounds (Stinson et al 2003 Corrado and
131
Rodrigues 2004 Ezra et al 2004 Kim et al 2004 Liu et al 2004 Wiyakrutta et al
2004 Atmosukarto et al 2005 Chomchoen et al 2005 Li et al 2005) Among them
seven isolates such as Hypocreales sp PSU-ES26 isolated
by C serrulata Trichoderma spp PSU-ES8 and PSU-ES38 isolated by H ovalis
and Penicillium sp PSU-ES43 Fusarium sp PSU-ES73 Stephanonectriasp PSU-
ES172 and an unidentified endophyte PSU-ES190 isolated by T hemprichii revealed
strong antimicrobial potential against human pathogens (Supaphon et al 2013) There
is eager requirement to discover novel drugs because of infectious diseases and drug
resistance microbes developing day by day Endophytic Penicillium could be a new
origin of treatments for the diseases caused by pathogens
In infectious plants fungal endophytes released the biotic stress with time
duration of 3 6 and 12 day after treatment by lowering the concentration of jasmonic
acid and salicylic acid as compare to control diseased plants Moreover these findings
reported the Penicillium citrinum (LWL4) relationship had a improved helpful impact
on plants of sunflower than Aspergillus terreus LWL5(Waqas 2015) Endophyte
naturally occurring in plants provide defense to plants by different way of mechanisms
such as the secretion of toxicant for pathogens and occasionally to disrupt the cell
membrane causing cell death of the pathogen (Ganley et al 2008 Shittu et al 2009)
Researche reported the justification of the pathogenic infections through the application
of fungal endophytes in plants like F verticillioides (Lee et al 2009) non-pathogenic
mutants of Colletotrichum magna (Redman et al 1999) Xylaria sp (Arnold et al
2003) Colletotrichum specie Fusarium nectria specie and Colletotrichum
gloeosporioides Clonostachys rosea and Acremonium zeae (Poling et al 2008)
Botryosphaeria ribis and (Mejıacutea et al 2008) In current research we assumed that the
application of endophytic Penicillium in plants might protect plants from adverse
effects of the soil born root-rotting fungi The inoculation of endophytic fungi may
inhibit the development of initial infection and prevent disease in this way not only
disease severity decreased but enhanced growth of the plant and yield (Mei and Flinn
2010) Our reseach shows that during pathogenic infection and mutual associations of
the endophytes lower the incidence of disease and improved the yield and biomass of
the plants Promotion of the host plant growth and inhibition of plant pathogen
132
infection may be increase the absorbance of nutrient which causes improved biomass of
plant and growth (Muthukumarasamy et al 2002) In the current study endophytic
Penicillium limited root-rot disease and also promote the health of the plants as
compare to control plants These are the comparision of the results as described by
Serfling et al (2007) The results similar to earlier findings on the plant growth
enhancement by endophytic fungi (Hamayun et al 2010 Khan et al 2011 2012
2013)
Endophytic P cyclopium Penicillium corylophilum P funiculosum are
recognized as GA-producers (Hasan 2002 Khan et al 2011) P citrinum (Khan et al
2008) Penicillium specie (Hamayun et al 2010) Resistance against insect attack and
pathogens enhanced by GA-producing endophytes which alter defense hormones such
as JA and SA In terms of abiotic stress (drought heat stress and salinity) these
endophytes may change the level of abscisic acid and induce resistance Endophytes
may have influencial role 0n the production of biochemicals and alter antioxidant
activities which is the main cause of improving growth of the plants(Waller et al
2005 Hossain et al 2007 Khan et al 2012 Waqas et al 2012 Khan et al 2013)
Chemical fertilizer showed negative impact on plants status The wide
applications of these inorganic fertilizers also causes deterioration to the soil fertility
by losing physiochemical and biological features of soil (Altuhaish et al 2014) In
addition a harmful effect on environment the chemical fertilizers have low level of
efficacy which may reduce nutrients uptake by the plants (Adesemoye et al 2009)
Application of organic amendments is sound known for inhibition of soil-borne
infections improving crops and yield (Ehteshamul-Haque et al 1996 Ikram and Dawar
2015 Sultana et al 2011 Lazarovits 2001 Stone et al 2003) Organic amendments
showed significant effects on crop health and production not only as a result of inhibiting
inoculum of soil pathogens but improve soil quality (Bailey and Lazarovits 2003)
Organic amendments including green manure peats and composts animal manure has
been proposed to sustain and improve fertility of soil and also soil structure for
conventional biological systems of agriculture (Cavigelli and Thien 2003 Magid et al
2001 Conklin et al 2002) and reduce occurrence level of the infections due to soil
133
containg plant pathogens (Noble and Coventry 2005 Litterick et al 2004) It is exposed
that organic amendments can be active against damages produced by fungal pathogens
such as Verticillium dahliae (Lazarovits et al 1999) Rhizoctonia solani (Diab et al 2003)
Phytophthora spp (Szczech and Smolinacuteska 2001) Pythium spp (Veeken et al 2005
MCKellar and Nelson 2003)Sclerotinia spp (Lumsden et al 1983 Boulter et al 2002)
Thielaviopsis basicola (Papavizas 1968) and) Fusarium spp (Szczech 1999) In current
research use of organic amendments like neem cake cotton cake and mustered cake
alone or with combine application of Penicillium spp significantly (plt005) increase
plant growth and cause growth reduction of root rotting fungi as compared to carbendazim
Population of total fungi and bacteria increased by organic soil amendment
which inhibit pathogens growth due to loss of ability to compete with beneficial
microbes (Gilbert et aI 1968) In our study a positive influence of numerous oil cakes
such as cake of neem and mustard on growth of plant was observed which is as
simillar as the findings of the Pandey et al (2005) and Goswami et al (2006) who
reported the use of different oil cakes such as neem and mustards in soil which showed
positive effects on growth of plant
Mixtures of Penicillium with various organic amendments applied in our study
resulted increasing the effectiveness of beneficial microobes for suppressing the fungi
causing the root rots in the present study This is same as the results of (Van Gundy
1965 Oka 2010) who described the combine effect of oil cakes and Pesturia penetrans
which change the soil features might be due to affect on nematode behaviours
(hatching movement and survival) Soil amendment resulting the decrease of the
occurrence of root knot nematodes and Fusarium spp on mung bean plants
(Ehtashamul-Haq et al 1993) Decomposition process of organic amendment released
sunbtances which produced antagonists and resistance too (Lumsden et al 1983)
which promote the inhibition of pathogen T harzianum used as a biocontrol agent with
neem cake showed significant infection on the reduction of Fusarium spp and
improved the development of plants (Nand 2002) Combine application of organic
amendment and PGPR might be resulted reduction of root-rot infections and fungal
pathogens with improved soyabean production (Inam-ul-Haq et al 2012)
134
Among agricultural fertilizer such as neem (Azadirachta indica) and its
products broadly described as a potential fertilizer (Gajalakshmi and Abbasi 2004) and
fungal diseases controlled by them (Dubey et al 2009 Amadioha 2000) insect pests
(Schmutterer 1995Ascher 1993) nematodes which parasitized by plant (Akhtar and
Mahmood 1995) bacteria (Abbasi et al 2003)) Some Studies have been revealed the
surprising potentail of neem products like neem seed oil against R solani M
phaseolina F moniliforme and (Niaz et al 2008) neem seed kernel extract against
Alternaria alternate Trichothecium roseum Monilinia fructicola Penicillium
expansum and Monilinia fructicola (Wang et al 2010) neem seeds and neem leaves
extract for control of F oxysporum Sclerotinia sclerotiorum and R solani (Moslem
and El-Kholie 2009) In our study neem cake mustard cake and cotton cake separate
or within combination of endophytic Penicillium which significantly (plt005) inhibit
the root rotting fungi and increasing the growth of plant Reduction in pre and post
emergence mortality of cotton and in the occurrence of R solani M phaseolina showed
by neem cake which is commonly used as a natural pesticide(Vyas et al 1990 Jeyara-
Jan et al 1987) Multiple nutrients which are having capacity to improve soil
characteristics are found in organic materials (Orrell and Bennett 2013) They also
provide organic substances like acids that help to breakdown soil nutrients and make
them easily accessible for the plants (Husson 2013)
Use of pesticides for reduction of root rotting fungi and plant parasites is costly
approach and resulting destruction of soil environment (Sukul 2001) Use of
bantagonist is an efficient way to overcome root rotting fungi and lethal nematodes
(root knot) (Whapham et al 1994 Ehteshamul-Haque et al 1995 1996) Usually
suppression of the plant pathogens occured by the direct secretion of toxicant such as
phenolic compounds and indirectly enhancing soil microbes by the application of soil
amendments (Shaukat et al 2001Ali et al 2001) In the present report selected
isolates of endophytic Penicillium separate or mixed use with Carbendazim Feast-M
and Topsin-M not only significantly inhibited the infection of root rooting fungi and
enhanced the growth of sunflower but mixed application also produced additional
defense against pathogen penetration and promote growth Plant centered toxicant
within organic amendments revealed promising outcomes in the management of root
135
infecting fungi present in soil (Ghaffar 1995) Organis amendments give better
environment to soil by providing energy and nutrients which support microbes and
plants to grow and survive successfully (Drinkwater et al 1995) Combination of
beneficial microbes by means of various plant colonizing forms with organic
amendment may be convenient for the inhibition of diseases by using different
biocontrol mechanisms for phytopathogens Combine application of different strains of
PGPR resulted significant inhibition of cucumber pathogens consistently (Raupach and
Kloepper 1998)
For crop protection one of the most favorable alternative approach is activation
of resistance within plant among current strategies (Walters and Fountaine 2009
Anderson et al 2006 Walters et al 2005) These alternative stratigies does not kill
phytopathogen directly (Walters and Fountaine 2009) but encouragement of natural
defence system of plant which introduces systemic acquired resistance (Vallad and
Goodman 2004) In case of abiotic and biotic stress a broad series of bioactive
compounds are release by the plant in natural environment that are injurious to
pathogens and grazing animals Phenolic phytochemicals are basic constituents of fruits
and vegetable of bioactive compounds that function as a resistant against insect and
herbivores (Stevenson et al 1993) Due to their significant protective biological role
phenolic compounds are pervasive in all plants so found in all nutrients In plants
resistant reaction of phenols resulting in the separation of phytopathogens which are
categorized due to the quick and early accumulation of phenolics at the infection site
(Cheacuterif et al 1991)
Phenolic compounds are impotant bioactive metabolites can act as antioxidants
against oxidative stress which leads many benefits to plants (Urquiaga and Leighton
2000 Grassmann et al 2000) also termed as free radical- scavengers Phenolic
compounds and antioxidants have close relation (Kumar et al 2008) Phenolic and
lycopene compounds are carotenoids a big source of antioxidants present in tomatoes
richly (Pinela et al 2011 Sahlin et al 2004 Ilahy et al 2001 George 2004)
Organic tomatoes are economically important with relation to conventional tomatoes
(Kapoulas et al 2011) due to their improved quality and ecofriendly nature Phenolic
136
compounds gives better taste as compared to conventional fruits (Benbrook 2005) In
our research better quality of okra and tomato fruits are produced by endophytic
Penicillium as compared to chemical fungicides and control in both screen house and field
condition
In the present study endophytic Penicillium not affected pH of fruit juice of
okra and tomato compared to untreated plant fruits Our findings were in line with (Oke
et al 2005 Carrijo and Hochmuth 2000) who described that pH of tomato fruit juice
not changed by phosphorus use Combine use of endophytic Penicillium with
Psuedomonas montellii improved TSS (total soluble solids) and tritable Acidity of okra
fruit Total soluble solids consist of acids sugars and other constituents existing in THE
fruits of the tomato (Balibrea et al 2006) Instead of inorganic fertilizer application of
biocontrol agents significantly increased brix content in tomato (Oke et al 2005)
The improved quality of fruit Ash content due to the high utilization of the nutrients
of the soil (Mauromicale et al 2011) The variation present in total soluble solids might
be due to the variability of the gene(Riahi et al 2009) In addition of chemical fertilizer
to soil had a significant function in food safety but however made soil harder that
resulted destruction in soil quality (Lai et al 2002) and the soil mineral absorption
decreased through roots Similarly from the soil availability or absorption of mineral
nutrients due to greater moisture content that improved prescence of mineral in soil
(Van veen and Kuikman 1990)
In the present research application of endophytic Penicillium significantly
impoved the carbohydrate protein antioxidant and polyphenol contents of the tomato
and okra fruits The increment of root surface area ultimately increased water
absorption and nutrient uptake due to endophytic Penicillium increased the above
contents These findings are an agreement with Rashed (2002) who described that
antagonistic microbes improved nutrient uptake (El-Ghadban et al 2002)
The biofertilizers impact positively on okra fruits was confirmed by previous
studies described by (Adediran et al 2001 Adejumo et al 2010) The photosynthetic
activity will also be improved as a consequence of improved interception of light when
137
all nutrient is in the right proportion (Subbarao and Ravi 2001) which ultimately
improves vegetative growth and efficient transport of photosynthetic product from
source to sink
Therapeutic effects of active compounds from fungal source have been noticed
from several years and new drugs have exposed and obtained extracted from the
endophytic fungi (Teakahashi and Lucas 2008 Hormazabol et al 2005) A new
endophytic fungus Muscodor albus was isolated from cinnamon tree (Cinnamomum
zeylanicum) formed volatile compunds that executes fungi causing disases (Strobel et
al 2001 Strobel 2006) (Liu et al 2013 Raghunath et al 2012) has discoverd two
new compouds named as nigerasterols A 6 8 (14) 22-hexadehydro-5α9 α-epidioxy-
315-dihydroxy sterols and B from endophytic fungi (Aspergillus niger)
23 compounds were isolated from endophytic Penicillium regulosum mycelia
Hexane fraction of mycelium were characterized by GCMS to identify the chemical
compounds most of them are hydrocarbon fatty acid alcohol and benzene derivatives
Some compounds were characterized from our isolate such as Widdrol hydroxyether
Eicosane Oleic acid Ethyl Oleate and 2-Aminofluorescein Because of the prescence of
these chemical compounds this fungus might have a capability to act against pathogenic
bacteria and fungi and showed a promising result against both type of bacteria such as
gram-ve and gram +ve
Adametizine A produced by Penicillium sp having antibacterial activity against
Aeromonas hydrophila Vibrio harveyi Staphyloccocus aureus Vibrio parahaemolyticus
and antifungal activity against Gaeumannomyces graminis (Liu et al 2015) Arisugacin
K produced by Penicillium sp having antibacterial activity against Escherichia coli (Li et
al 2014) Cillifuranone produced by Penicillium sp having antibacterial activity against
Xanthomonas campestris and antifungal activity againsts Septoria tritici (Wiese et al
2011) Comazaphilones produced by Penicillium sp having antibacterial activity against
S aureus Pseudomonas fluorescens Bacillus subtilis (Gao et al 2011) Communol A
FndashG produced by Penicillium sp having antibacterial activity against Enterobacter
aerogenes E coli (Wang et al 2012) Conidiogenone B produced by Penicillium sp
138
having antibacterial activity against Pseudomonas fluorescens Pseudomonas aeruginosa
Staphylococcus epidermidis S aureus mr and antifungal activity against Candida
albicans (Gao et al 2011) Dictyosphaeric acid A produced by Penicillium sp having
antibacterial activity against S aureus Enterococcus faecium S aureus mr and
antifungal activity against C albicans (Bugni et al 2004) Isocyclocitrinols produced by
Penicillium sp having antibacterial activity against Enterococcus durans S epidermidis
(Amagata et al 2003) Peniciadametizines produced by Penicillium sp having antifungal
activity against Alternaria brassicae (Liu et al 2015) Penicifuran A produced by
Penicillium sp having antibacterial activity against Bacillus cereus Staphylococcus
albus (Qi et al 2013) Penicilactone produced by Penicillium sp having antibacterial
activity against S aureus mr (Trisuwan et al 2009) Penicimonoterpene produced by
Penicillium sp having antibacterial activity against E coli A hydrophila S aureus
Micrococcus luteus V parahaemolyticus and V harveyi (Zhao et al 2014) and
antifungal activity against A brassicae Aspergillus niger Fusarium graminearum (Gao
et al 2011 and Zhao JC et al 2014) Penicisteroid A which is produced by Penicillium
sp having strong antifungal activity in response to A brassicae A niger (Gao et al
2011) Penicitide A which is produced by Penicillium sp having stronge antifungal
activity in response to A brassicae A niger (Gao et al 2011) Penicyclones AndashE islated
from Penicillium sp having antibacterial activity against S aureus (Guo et al 2015)
Perinadine A which is produced by Penicillium sp having antibacterial activity against
B subtilis M luteus (Sasaki et al 2005) Pinodiketopiperazine A produced by
Penicillium sp having antibacterial activity against E coli (Wang et al 2013)
Scalusamide A produced by Penicillium sp having antibacterial activity against M luteus
and antifungal activity against Cryptococcus neoformans (Tsuda et al 2005) Terretrione
D produced by Penicillium sp having antifungal activity againsts C albicans (Shaala
LA et al 2015) and Xestodecalactone B produced by Penicillium sp having antifungal
activity againsts C albicans (Edrada et al 2002) These references supports our results
that our isolate have antimicrobial activity It also have showen a positive result on the
growth of the by enhancing the plant growth and also suppressing infection of root rot
fungi almost in all crops which are experimented
Conclusion
139
There is eager need for natural (environment friendly) chemotherapeutic and
agrochemical agents instead of synthetic toxic chemicals Natural products produced by
endophytes have been tested against infectious agents against plant pathogens One of the
single greatest challenge is control of soil-borne pathogens including parasitic nematodes
facing recent agriculture worldwide Soil-borne fungi and fungi like organisms
including Macrophomina phaseolina Fusarium species Phytophthora spp
Rhizoctonia solani and root knot nematodes commonly (Meloidogyne species) result
severe economic damages both in greenhouse and field production system In
agricultural and pharmaceteucal industry application of endophytes with their related
benefits has now been new approach in rescent years Despite the assistances related to
endophytic bacteria and fungi in plant disease management they are still largely
unexplored Genus Penicilium has been familiar for their significant secretion of
secondry metabolites among them and was also found to play important function in
plants against stress tolerance Penicilium spp secrete a variety of pharmaceutically
vital compounds with antibacterial antifungal insecticidal and nematicidal activities
In this study endophytic Penicillium isolated from healthy plants revealed
significant potential against root infecting fungi both in field condition and screen house
Although endophytes are now widely used in other different fields
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140
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iii
EVALUATION OF BIOCONTROL POTENTAIL OF ENDOPHYTIC SPECIES OF
PENICILLIUM AGAINST ROOT ROTTING FUNGI AND ROOT KNOT
NEMATODE
A Thesis Submitted for the Partial Fulfillment of the Degree of Doctor of Philosophy in
Botany
By
FAIZAH UROOJ
DEPARTEMENT OF BOTANY UNIVERSITY OF KARACHI
KARACHI PAKISTAN
2018
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DEDICATION
Dedicated to my most respected teachers and my beloved
Parents who believe in me and brought out best in me
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LIST OF CONTENTS Page No
1 INTRODUCTION
11 Endophytic fungi
12 Endophytic Penicillium
13 Role of endophytic Penicillium in plant growth
14 Role of endophytic Penicillium as resistance inducers in plant against
biotic and abiotic stresses
15 Soil-borne diseases
16 Soil-borne root rotting fungi and nematode
17 Biological control
2 MATERIALS AND METHODS
21 Collection of sample for the isolation of endophytic Penicillium spp
from different host
22 Isolation and identification of endophytic Penicillium
23 Isolation of the root infecting fungi from soil
231 Soil dilution technique for the isolation of Fusarium spp
232 Baiting technique for the isolation of Rhizoctonia solani
233 Wet sieving and dilution technique for the isolation of
Macrophomina phaseolina
24 In vitro dual culture plate assay for determining the antifungal activity
of Penicillium species
25 Preparation of root knot nematode inoculum
26 Hatching of nematodes
27 Preparation of culture filtrates
28 In vitro antifungal activity of culture filtrates of Penicillium species
29 In vitro antibacterial activity of culture fitrates of Penicillium species
210 In vitro nematicidal activity of culture filtrates of Penicillium species
211 Fractionation of culture filtrates
212 Extraction and fractionation of mycelium of endophytic Penicillium
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213 Spectroscopy of oily fractions eluted from mycelium
212 In vitro antimicrobial activity of fractions of culture filtrates
213 Population of antagonists Colony forming unit (cfu) per ml in
suspension
214 Growth parameter
2141 Physical parameter
2142 Infection percentage of root rot fungi on roots
215 Biochemical parameter
2151 Estimation of polyphenols
2152 Estimation of antioxidant activity
216 Fruit analysis
2161 pH
2162 Moisture content
2163 Tritable acidity (TA)
2164 Total soluble solid (TSS)
2165 Firmness
2166 Total solids
2167 Protein
2168 Carbohydrate
2169 Total polyphenol and antioxidant activity
217 Experimental design
218 Analysis of data
3 EXPERIMENTAL RESULTS
31 Isolation of endophytic Penicillium
32 In vitro fungicidal activity of endophytic Penicillium
33 In vitro fungicidal activity of cell free culture filtrates of endophytic
Penicillium
34 In vitro antibacterial activity of cell free culture filtrates of endophytic
Penicillium
35 In vitro nematicidal activity of cell free culture filtrates of endophytic
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Penicillium spp
36 In-vitro antimicrobial activity of fractions of culture filtrates
361 In-vitro antifungal activity of n-hexane soluble fractions of
culture filtrates
362 In-vitro antibacterial activity of n-hexane soluble fractions of
culture filtrates
363 In-vitro antifungal activity of chloroform soluble fractions of
culture filtrates
364 In-vitro antibacterial activity of chloroform soluble fractions of
culture filtrates
365 Compounds from n-hexane fraction of mycelium of Penicillium
rugulosum
37 Screen house experiments
371 Effect of endophytic Penicillium in soil amended with neem cake
in suppressing the root diseases and growth of sunflower (2016)
372 Effect of endophytic Penicillium in soil amended with neem cake
in suppressing the root diseases and growth of Sunflower (2017)
373 Effect of endophytic Penicillium in soil amended with neem cake
in suppressing the root diseases and growth of mung bean
374 Effect of Endophytic Penicillium and Cotton cake in suppressing
the root diseases and growth of Mung Bean
375 Effect of Endophytic Penicillium in suppressing the root diseases
and growth of Mung Bean
376 Effect of endophytic Penicillium in soil amended with neem cake
in suppressing the root diseases and growth of tomato
377 Effect of endophytic Penicillium in soil amended with cotton
cake in suppressing the root diseases and growth of tomato
378 Effect of endophytic Penicillium in soil amended with neem cake
in suppressing the root diseases and growth of chickpea
379 Effect of endophytic Penicillium insoil amended with mustard
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cake in suppressing the root diseases and growth of chickpea
3710 Effect of endophytic Penicillium and fungicides in suppressing
the root diseases and growth of sunflower
3711 Effect of endophytic Penicillium as soil drench on growth of
okra plants
3712 Effect of endophytic Penicillium as soil drench on growth of
tomato plants
38 Field Experiments
381 Effect of Pseudomonas monteilii and endophytic Penicillium as
soil drench on growth of okra plants in soil under field condition
382 Effect of Pseudomonas monteilii and endophytic Penicillium as
soil drench on growth of tomato plants in soil under field condition
4 DISCUSSION
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EVALUATION OF BIOCONTROL POTENTAIL OF ENDOPHYTIC SPECIES OF
PENICILLIUM AGAINST ROOT ROTTING FUNGI AND ROOT KNOT
NEMATODE
SUMMARY
Endophytes are either bacteria or fungi that reside in the tissues of the plant without causing
any apparent symptoms Some endophytic microorganism may promote growth of plants
help in uptake of nutrients and increase the ability to bear environmental stresses like
salinity drought and reduce biotic stresses During our study plants were collected from
different localities in Karachi Pakistan like Memon Goth Kathor Gadap Gharo Malir and
University of Karachi campus from which endophytic Penicillium were isolated Out of the
eighty samples of the plant 14 isolates of endophytic Penicillium isolated (root stem and
leaves) from wild plants (Achyranthus aspera Atriplex stocksii Euphorbia hirta
Chorchorus tridens) and cultivated plant (Solanum melongena Lycopersicon esculentum
Helianthus annuus Azadirachta indica Abelmoschus esculentus Momordica charantia)
Species of Penicillium identified as P asperum P lilacinum P purpurogenum P
nigricans P rugulosum P restrictum P duclauxi P citrinum P thomii P lividum and P
javanicum Identification of selected isolates of Penicillium was also confirmed by using
molecular biology tools
Antimicrobial activity of 14 endophytic isolates of different species of Penicillium
tested against common fungi (root rotting) viz F oxysporum Fusarium solani
Macrophomina phaseolina and Rhizoctonia solani by dual culture plate assay All EP
isolates showed significant result produced by the inhibition zone Nematicidal potential of
cell free culture filtrates of endophytic Penicillium also has shown significant results After
24 hour 50nematicidal potential showed by Ppurpurogenum (EP-3) while after 48 hours
all other isolates showed 100 mortality
Culture filterates of endophytic Penicillium caused growth suppression of bacteria
Salmonella typhimurium Bacillus subtilis Escherichia coli and Staphylococcus aureus As
concentration increased biocontrol potential of culture filterates of EP increased as well
These outcomes show that endophytic Penicillium could be fullfil the need of discovering of
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new antibiotics Culture filtrates of Penicillium also showed activity of fungicidal against
root rotting fungal pathogens Fsolani Rsolani Mphaseolina Rsolani and Foxysporum
by making inhibitory zone Cuture filterates of 60 microldisc showed more effective results than
20 or 40 microldisc Fractionation of cell free culture filtrates of viable isolates of our
Penicillium (EP) was made in solvents ie chloroform and n-hexane and showed strong
antibacterial and antifungal activity against above described pathogens These results
showed that secondry metabolites having compounds with strong antimicrobial potential
Secondary metabolites producing from endophytic Penicillium spp offer an stimulating
area of investigation for the encounter of novel antimicrobial compounds Hexane fraction
of mycelium of promising isolate EP-5 showed prescence of chemicals
In current research antagonistic potential of Penicillium was assessed against
phytopathogens on sunflower (Helianthus annuus) chickpea (Cicer arietinum) tomato
(Lycopersicon escolentum) mungbean (Vigna radiata) and okra (Abelmoschus esculentus)
in field and screen house experiments Inhibitory affects on Foxysporum Rsolani Fsolani
and Mphaseolina showed by many endophytic Penicillium which causes healthy plant
growth by improving plant length fresh shoot weights in both type of experiments (Screen
house and field) In some experiment polyphenol and antioxidant activity also showed
significant result which might be due to resistance produced by endophytes Endophytic
Penicillium treated plants produced fruits which is better in quality as compared to control
Endophytic Penicillium associated with healthy plants is a source of new bioactive
metabolites which could be exploited in plant protection and also in medicine
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1
1 INTRODUCTION
11 Endophytic fungi
Agricultural production passes through heavy loss due to different abiotic and
biotic stresses Most of the economic areas of the world is agriculture it is the most
eager need of the decade to discover and to create the best approach for sustainable
agriculture and development in crop growth (Rai et al 2014) Endophytes are
microorganisms that live inside the plant tissues for atleast in their life cycle that produce
no visuallized symptoms to the host (Bacon and White 2000) Inside the living host plant
tissues an expensive symptomless plant-microbe association build this phenomena called as
Endophytism(Kusari and Spitteler 2012b) During this complex relationship both partners
can be represented as extremely keen mutualism individual benefits depend on both of them
But their relation might be shift toward parasitism or saprophytism or concerning further
dedicated collaboration with time (Millet et al 2010 Zuccaro et al 2011) Recent studies
proposed endophyte-host plant relations are inconstant and showe a relationship between
mutualistic to antagonistic (Saikkonen et al 1998) Mutual relationship between
photosynthetic organisms and fungi earliest and universal (Berbee 2001 Alexopoulos et
al 1996) Evidence showed the presence of microorganism inside the plant tissues from
the the time of the emergence of higher plant on the earth (Redecker et al 2000) Since
the end of 19th century the inoculum of fungi in symptomless plant has recognized
Guerin (1898) Azevedo (1998) and Endophyte word was first suggested in 1866 de
Bary (1866) Endophytes initially defined in Darnel (Lolium temulentum) Freeman
(1904) they isolated it from wide range of plants from arctic to tropics and from
cultivated to wild ecosystems (Arnold 2007) and so far atleast one endophyte have been
found in all living plants species (Dutta et al 2014)
There have been numerous revisions on the relationship of endophyte and plant
particularly for grasses for instance tall fescue where it has been revealed that
endophytic fungus Neotyphodium coenophialum produce toxins that act as defensive
agent against their predators including insects and other grazing animals (Bultman and
Murphy 2000 Bacon et al 1977) it was found that this fungus could be beneficial for
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enhancing their host tolerance against stresses of abiotic and biotic (Schardl et al 2004
Saikkonen et al1998) In between other symbiotic associations fungal endophytes are
most commonly competitive (Staniek et al 2008) Fungal endophytes are a very varied
polyphyletic group of microorganism that lives inside host stem leaves and also in roots
Endophytes fungi are present above ground parts of plant which make different from
mycorrhizal fungi but also present in roots Fungi related to rhizosphere and roots of the
plants and had positive effect on the growth of plant and recognized as PGPF (Plant
growth promoting fungi) The significant of PGPF belongs the genus Gliocladium and
Trichoderma (Altomare et al 1999) have proficient of inhabiting the plant roots (Gera Hol
and Cook 2005) Endophytes are considered as avirulent opportunistic plant symbionts
and develop systemic resistance in plants just like rhizobacteria (Harman et al 2004)
Similarly endophytic Acremonium lolii and A coenophialum exposed antibiotic formation
against a variety of fungal plant pathogens in culture (White and Cole 1985) Fungus
Muscodor produced volatile compounds which is mostly used as a fumigants in soil (Ezra et
al 2004 Mercier and Manker 2005) In our previous report endophytic Penicillium spp
isolated from Salvadora species showed noteworthy antimicrobial activity (Korejo et al
2014)
Against numerous diseases many endophytes have capability to produce different
secondry metabolites that have therapeutic effect (Kharwar et al 2011 Kusari and
spiteller 2012b)
12 Endophytic Penicillium
In recent search for agricultural and pharmaceutical industries to develop a
effective products Natural products have been recognized as a therapuetic agents and play
a important role in nature So the search is carried out for the production of novel
bioactive metabolites from organisms that reside novel biotopes Endophytic fungi
populate such a biotope (Schulz et al 2002) The genus Penicillium is a group of more
than 200 species inhabiting fibre fruits food items soil marine and various species of
plants (Korejo et al 2014 Gong et al 2012) In same way species of Penicillium
deliberated as soil inhabitant and present as a toxicant on foods materials like fibers
starchy materials and fruits but species of Penicillium have been reported in the form of
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endophytes and play significant role in plants towards tolerance of stress(Khan and Lee
2013 Waller et al 2005) Fungal endophytes is used as a ironic source of secondry
metabolites for agricultural and medicinal practices (Schulz et al 2002) and lot of exposed
(Huang et al 2008)
Endophytic Penicillium species are the producers of diverse variety of secondary
metabolites (Zhang et al 2006 Schulz and Boyle 2005) ie various penicillins PR-
toxin polyketides xanthoviridicatins E and F chrysogine Chrysogenamide A
sorrentanone xanthocillins secalonic acids sorbicillactones A B sorbivinetone
Ochratoxin A (Hoog et al 2000 Singh et al 2003 Gerhard et al 2005 Vega et al
2006 Lin et al 2008) Penicillium species are known to have antifungal algicidal and
antibiotic activities (Meng et al 2011)
13 Role of endophytic Penicillium in growth of plant
Though current studies have revealed that growth enhancement of plant might be
the reason of the production growth promoting secondary metabolites (gibberellins auxin
cytokinin) from plants due to the prescene of endophytic fungi in the rhizospheric region
(Hamayun et al 2010a) Endophyte and plant relationship have the mojor influence on
plant growth promotion (Hassan et al 2013) though endophytic fungi may be responsible
to enhance the growth of the plant in order to secrete different chemical compounds like
ammonia indole acetic acid (IAA) and phytohormone and (Bal et al 2013) Usually
indole acetic acid acts as growth promoter plants by enhancing cell division and cell
elongation and is necessary for differentiation of tissues of plant (Taghavi et al 2009)
Soil microorganisms have a potential to synthesis a wide range of indole acetic acid that
play a role in plant development (Spaepen and Vanderleyden 2011) on other hand
endophytic fungi isolated from different parts of plants which indicated high amount of
indole acetic acid as compared to those isolates isolated from root-free soil (Spaepen et al
2007) The important role of indole acetic acid in growth of the plant in addition to the
potentail of fungal endophytes to secretes indole acetic acid has increased attention due to
their effectiveness on the concentration and supply of indole acetic acid in tissues of the
plants
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Endophytic fungi have been considered as producers of phytohormones which act
as strong plant growth enhancer These outcomes proposed that endophytic fungi obtained
in the study produced bioactive metabolites which play magnificent roles in stimulating
growth of the plants (Khan et al 2015) Endophytic Penicillium species produced wide
range of Indole acetic acid and gibberellins thus increases plant growth Gong et al
(2014) reported the effect of Penicillium oxalicum on enhancement of growth of maize
plants where they observed that P oxalicum stimulate the growth of maize plants due to its
phosphate-solubilizing ability
14 Role of endophytic Penicillium as resistance inducers in plant stress
Systemic induced resistance have played a vital role in the survival of the plants to
protect themselves in response to pathogenic organisms (Lim et al 2006) It seems in
almost all plants in response pathogenic attack treated with different organic amendments
and chemicals Phytohormones are present extensively in plant parts Plants secrete an
enormous range of chemicals that are toxic to their predators Phenolic compouds are
bioactive chemicals which are common elements of fruits and vegetables act as defensive
agent against insect and grazing animal (Stevenson et al 1993) In the plants growth
phytochemical compounds which have low molecular weight such as phenolic show a
dynamic part and its production and secretion may be due to both biotic and abiotic factors
(Joachim et al 2007) Phytochemicals protect plants towards abiotic and biotic stresses
and therefore are produced against pathogens attack which are exposed to high energy
radicals like the exposure of UV radiation (Briskin 2000) Due to the significant defensive
roles phenolic phytochemicals have pervasive in most of the plants and find specific place
in most of the groups of foods Cherif et al (1991) reported that phenolic compound play
role in resistance of the plants which are accomplished by the rapid accumulation of at the
infection site resulting in the prevention of the pathogen The function of phenolic
compounds in inhibition of the pathogenic infection which act as a barriers to a
pathogens and develop resistance broadly Imporatant groups of compounds termed as
scavengers of oxygen free radical or antioxidants used to resist the phytopathogen and
protection of the oxidative stress of environment (Conceica et al 2006 Wanas 2006)
Numerous studies demonstrate that soil-borne fungal diseases controlled by antioxidants
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(Dmitriev 2003) with increasing the phytophenolic compounds which increasing plant
growth development and defense against disease Antioxidants used successfully to
control most of the diseases in plant like Fusarium wilt of chickpea plants(Nighat- Sarwar
et al 2005) in tomato (Mohamed et al 2007) pod rot and peanut root (Elwakil 2003
Mahmoud et al 2006) in pepper damping- off (Rajkumar 2008) faba bean of chocolate
spot (Hassan et al 2006) and in the lupine leaf blight and root rot (Abdel-Monaim 2008)
Antioxidants eg salicylic benzoic acids ascorbic propylgalate in cumin in the form of
seed soaking or in other way such as soil drenching showed protection of diseases
occurred by f spcumini and Fusarium oxysporum (Mostasa 2006) The mechanism of
antioxidants was described in many host-pathogen relations such as a wide range of
enzymes like polyphenol oxidase ascorbate oxidase peroxidase and catalase identified
againsts pathogen infection (Clark et al 2002) or outcomes of most of the treatments with
different antioxidants activity ( El-Khallal 2007 and Abdel-Monaim 2008)
In organic agriculture biocontrol agents have different mode of actions including
production of metabolites against pathogens mycoparasitism competing their place and
their nutrients uptake growth promotion of plants and stimulation of defense mechanim in
most of the plants (Chet et al 1997 Howell 2003) This original biological approach
encourages natural resistances of the plants which leads towards systemic resistance
(Vallad and Goodman 2004) instead of apply effects on the most of the plant pathogens
(Walters and Fountaine 2009) Metabolites produced by biocontrol agents against
pathogenic fungus are main factor to discovering them Many researchers are discovering
bioactive chemicals synthesize by microorganism that control most of the diseases of the
plants (Dowling and OrsquoGara 1994) Induction of systemic resistance through biocontrol
agents changed the certain biochemicals of plant which can consider as resistance markers
(Schonbeck et al 1981) including enzymes accumulation like peroxidase (He et al
2002) It was shown that due to systemic acquired resistance in tomato activation of the
defensive mechanism occurs by the insects (Murugan and Dhandapani 2007) viruses
most of the nematodes bacteria and endophytic fungus (Anfoka and Buchenauer 1997
Laporte et al 2007 Molinari 2008 Vasyukova et al 2007Mandal et al 2009 Hase et
al 2008 Park et al 2008) In the same way Shafique et al (2016) studied that combine
use of the oil cake and P lilacinus and PGPR enhance growth of plant that also suppress
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the infection of root rotting fungi by improving antioxidant activity and polyphenols
contents of the okra plant
Endophytic microorganisms produce secondary metabolites which are crucially
important as parasiticide insect antifeedent and pathogen inhibitors (Meng et al 2011)
Other benefits for host plant include increased resistance to heavy metals salinity and heat
stress improved drought tolerence protected from grazing animals introduced systemic
resistance to pathogens and promoted growth (Redman et al 2001 Clay and Schardl
2002 Marquez et al 2007 Tejasawi et al 2007) Hence Endophytic fungi increase the
ecological survival of plants by increasing resistance towards abiotic and biotic stress
factors (Schulz and Boyle 2005 Gonthier et al 2006) Hossain et al (2014) reported the
part of Penicillium sp in developing systematic resistance to cucumber infection of leaf
caused by anthracnose phytopathogen Colletotricum orbiculare in the cucumber
Similarly Khan et al (2015) studied the effect of P janthenalum in producing tolerance
against aluminum stress in tomato plants Penicillium endophytes are also help plants to
tolerate stress of salinity by regulating plants hormones (Khan et al 2013 Khan et al
2015) Penicillium strains are safe to environment as they reduces the level of salinity and
increase growth of the plants (Leitao and Enguita 2016)
Furthermost fungal endophyte facilitates induction of systemic acquired resistance
in most of the plants (Bailey et al 2006 Nassimi and Taheri 2017) and play a vital role in
safety and control of infection of plants Endophytic fungi play a chief part in growth
promotion of plant higher production of seed and resist plants against several abiotic
biotic stresses and infections Most of them are produce compounds against pathogenic
microbes phytohormones and different bioactive agrochemicals Eco-friendly and
economically active agricultural products are developed by many potential endophytes
(Rai et al 2014) Penicillum chrysogenum produces hypocrellins B and C which have
strong antifungal activity (Meng et al 2011)
15 Soil-borne diseases
Diseases which are caused by organisms persists in soil and debris on soil surface
are known as soil borne diseases and the organisms which causes such diseases are soil-
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borne pathogens Soil-borne pathogenic fungi reside for several years in soil in the form of
various dormant structures viz chlamydospores melanized hyphae sclerotia and oospores
and are major cause of lowering yield and quality of plant products (Baysal-Gurel et al
2012 Koike et al 2003) Whereas nematodes survive in soil as free organisms cysts or
eggs (Koike et al 2003) Soil borne pathogens infect belowground along with foliar
tissues of plants The well-known diseases produced by soil-borne fungi are the rots which
effect underground tissues of plants and vascular wilts While some soil-borne pathogens
effect the above ground tissues of plants (Koike et al 2003) Soil-borne diseases are more
harmful under poor soil conditions ie inappropriate drainage system low range of
organic matter low level of fertility poor soil structure and high compaction level of the
soil (Abawi and Widmer 2000)
16 Soil-borne root rotting fungi and nematode
Among the plant disease causing organisms nematodes which parasitized plant
resulted loss upto 100 billion US$ to the agriculture world annualy and approximately 500
million US$ is wasted on control of nematode (Saifullah et al 2007) Whereas the
infection of root rot caused by Rhizoctonia solani Macrophomina phaseolina Fusarium
species Pythium species and Phytophthora species are most common in the crop plants
producing billions $ losses every year
Infections produced by soil borne pathogens includes damping off root rots and
wilts by Fusarium Phythium and Rhizoctonia Phytophthora verticillium and nematodes
species Fusarium oxysporum and its more than 70 species are known to cause root wilt
and root rot diseases in variety of plants species including tomato plants (Kistler 1997)
Species of Cephaliophora Bipolaris Cephalosporium Corynascus Curvularia
Exerohilum Botryodiplodia Fusarium Melanospora Nigrospora Rhizoctonia
MacrophominaSclerotium and Stemphylium are also potent plant pathogens in Pakistan
(Shahzad and Ghaffar 1995) Root knot nematodes are the members of genus Meloidogyne
(Sharon et al 2001 Taylor and Sasser 1978) Globally 26 of crop losses are resulted by
pathogens (Khan et al 2009) Nematodes alone cause 5 of worlds crop losses (Sasser
and Carter 1975) Soil-borne root infecting fungi and nematodes not only produce diseases
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in plants but also decrease the biomass of plants and severely decrease the yield of crops
and sometimes even death of plant may occur
Nematodes (Meloidogyne spp) parasitized inside specialized type of feeding cells
into the plant tissues directly and remained inside the plant tissueon the otherhand
parasitic type of fungi also penetrate into the tissues of host and absorbs the nutrients Soil
and rhizosphere microorganisms are difficult to control because of tissues around them So
these endo-parasitic nematode and fungi may be able to control by endophytic
microorganisms colonizing around plant root tissue because they occupies same space and
are come in contact with each other (Hallman et al 1997) Hallman and Sikora (1994
1996) demonstrated that endophytic Fusarium oxysporum isolated from tomato roots had
determental effect on Meloidogyne incognita Colonization of tomato roots by the
endophyte resulted in 60 reduction of Mincognita infestation
Charcoal rot disease produced by Macrophomina phaseolina which is soil
inhabiting fungus having diverse type of distribution and have hazardous to the
production of the crops in most of the arid areas over 500 plant species (Ijaz et al 2012)
17 Biological control
Biological control is the management of components of ecosystem in order to
protect plants against pathogens It ensures the preservation of environment by no use of
chemicals (Barea and Jaffries 1995) Most of the fungi used as a biocontrol agents and
have long been studied and various reports are available Such as Perveen et al (1994)
reported the effectiveness of Fusarium oxysporum in order to reduce the infection of the
Macrophomina phaseolina Fusarium solani and Rhizoctonia solani Trichoderma species
have been known for so long as biological control agent of soilborne pathogens and also
act as a symbionts of the plants (Harman and Shoresh 2007) Further they suggest that F
oxysporium is a potential biocontrol agent against these pathogens in tomato and okra
Later Siddiqui and Shaukat (2003) tested Pochonia chlamydospora against Fusarium sp
Rsolani and M phaseolina and found it effective against these pathogens Siddiqui et al
(2000) and Waqas et al (2012) investigated the effects of Penicillium and Phoma
glomerata species on the cucumber in drought and saline stress and reported that these
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endophytic fungal species increases biomass and growth of economically important crops
Major application in agriculture pharmaceutical and commercial utilization of these
endophytic fungi
The current research focused on the isolation and identification of the endophytic
Penicillium species which is associated with plants which are healthy plants and
evaluation of their antagonistic potential against root rotting fungi using sunflower
munbean tomato chickpean and okra as test crops The report also describes the extraction
and characterization of some new compounds from mycelium of Pregulosum
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2 MATERIALS AND METHODS
21 Collection of plants for isolation of the endophytic Penicillium spp
Survey of various agricultural fields of Kaarchi and its suburb like Karachi
University campus Memon Goth Kathor Gadap Gharo and Malir were carried out
Healthy wild and cultivated plants alongwith roots were selected collected and were
transported to laboratory and preserved at (4oC) untill Penicillium were isolatedround
about (24) hours
22 Isolation and identification of endophytic Penicillium
1 g of th sample of the plant either stem root or leaves was separately cleaned
sanitized in 1 bleech for (3) min then with (70) alcohol for (3) min and then washed
with the help of distilled H2o Each sample was chopped in sterilized grinder with 50mL
sterilized water and dilutions of each sample were made upto 1104 and further proceed as
described by Korejo et al (2014) and fungal growth fungi were identified with reference
to Barnett and Hunter (1998) Domsch et al (1980) Dugan (2006) Raper and Thom
(1949) and Visagie et al (2014)
221 Molecular strain typing of promising isolates
The selected endophytic Penicillium isolates P rugulosum (EPAAR5) P
decumbens (EPAIR6) P nigricans (EPSLR4) P asperum (EPHAL10) and P
purpurogenum (EPEHS7) initially identified by morphological characters were further
subjected to molecular identification and strain typing bythe PCR (polymerase chain
reaction) based on molecular techniques recently described (Habiba et al 2018)
Briefly five days old strains grown (1 mL) in broth of YPD at 26degC and cells were
harvested by centrifugation (Hanil Korea) for (14000 rpm) for (10 min) at room
temperature Genomic DNA extraction kit (Norgen biotek Canada) was used for fungi as
per vender instruction while quality and purity of the genomic DNA established in
nanodrop (Nano-Drop 200 Thermo Scientific USA) In case of molecular identification t
rDNA-ITS4 ITS1-58S regions amplified with the help of the primers ITS1 (5acute-
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TCCGTAGGTGAACCTG CGG-3acute) and ITS4 (5acute-TCCTCCGCTTATTGATATGC-3acute) as
initially described Karimi et al (2015) Reactions of the PCR were performed consisting of
genomic DNA (150 ng) primer set (16 μM each) Dream Taq Master Mix (2x Thermo
Scientific USA) and nuclease free water to a final volume of 20 μL Thermal cycling
carried out in a Master cycler (ProS Eppendorf Germany) with an initial denaturation step
(4 min at 94 ordmC) followed by 40 cycles of denaturation (45 s at 94 ordmC) annealing (45 s at 55
ordmC) and extension (1 min at 72 ordmC) and a final extension at 72 ordmC for 7 min
For genetic variation between the strains Random Amplified Polymorphic DNA
(RAPD) PCR was performed with specific oligonucleotide primer M13 (5acute-GAGGGTGG
CGGTTCT-3acute) as described by Zahid et al (2017) Briefly PCR were performed in a total
volume of 20 microL comprising of genomic DNA (25 microL) primer M13 (16 microM) 2x Dream
Taq PCR mix (10 microL) with additional 1 mM MgCl2 and 10 DMSO (Sigma-Aldrich
USA) Thermal cycling was carried out in a Master cycler (ProS Eppendorf Germany) with
an initial denaturation step (5 min at 95 ordmC) followed by 35 cycles of denaturation (30 s at
90 ordmC) annealing (1min at 40 ordmC) and extension (8 min at 65 ordmC) and a final extension at 68
ordmC for 16 min
PCR products (~10 microL) were subjected to 2 agarose gel electrophoresis
containing ethidium bromide (05 μgmL) 1kb DNA ladder (Fermentas USA) was used to
calibrate the sizes
23 Isolation of the soil borne fungi
231 Soil dilution technique for the iolation of Fusarium species
Fusarium were isolated by soil dilution technique (Nash and Snyder 1962) as
described by (Urooj et al 2018) and identified by Nelson et al (1983) and Booth (1971)
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232 Baiting technique for the isolation of (Rhizoctonia solani)
Rhizoctonia solani were isolated through baiting technique and identified
(Wilhelm 1955) as described in previous report (Urooj et al 2018)
233 Dilution and wet sieving technique for the isolation of (Macrophomina
phaseolina)
Macrophomina phaseolina were isolated by using techniques (wet sieving and
dilution plating)Sheikh and Ghaffar (1975)
24 In vitro determination of antifungal activity of Penicillium species by dual
culture plate assay
For determination of fungicidal potential of Penicillium spp four common fungi
(root rotting) viz Rhizoctonia solani F oxysporum Macrophomina phaseolina and
Fusarium solani were chosen A disc of the 5 mm of the test and fungi (root rotting) was
inoculated on the opposite side of the Petri dish of 90 mm which was poured with CDA
(Czapeks Dox Agar) pH (72) and incubated (28degC) for (5 days) Inhibition zone was
measured in mm (Korejo et al 2014) Experiment were repeated thrice and replicated four
times
25 Inoculation of the nematode (root knot)
Pure culture of the root knot nematode (Meloidogyne javanica) obtained through
egg masses attached on infected brinjal root Roots were washed under tap water was used
to washed te roots thoroughly stereomicroscope was used to collect egg masses and
transferd in cavity blocks having distilled water and left for the hatching (at room
temperature) after 48 hours juveniles were hatched and proceed for the experiment
27 Preparation of culture filtrates
Culture filtrates of test Penicillium spp were obtained by growing 5 mm disc of
culture in 100 ml of CDB (Czapekrsquos Dox broth) in (250 ml) flask After (15 days) of the
13
incubation (25-30degC) culture filtrate were collected by filteration and 1-2 drop of
chloroform were added to prevent further growth of any contaminant
28 Determination of antifungal activity of culture filtrates of Penicillium species
in vitro
Culture filtrate were loaded at concentration of 20 40 and 60 microl on thick sterile
filter paper discs and dried and placed in clock wise manner according to concentration in
the plates containing Czapekrsquos Dox Agar Disc of test fungus were inoculated in centre of
plates CDB (Czapekrsquos Dox broth) used as a control and 20 microgdisc carbendazim used as a
positive controlAt 30degC Petri dishes left for (5-7 days) and between test fungus and disc
distance was measured as a inhibition zone Qureshi (2003)
29 In vitro antibacterial activity of culture fitrates of Penicillium species
To examine the activity of secondary metabolites of Penicillium spp against
bacteria lawn of test bacterium was prepared in 90mm petri dishes containing Nutrient
Agar medium Culture filtrate of each Penicillium sp at 20 40 and 60 microldisc were loaded
on thick sterile filter paper discs and dried and placed in clock wise manner according to
concentration in the plates having bacterial lawn with nutrient Agar A disc of 5 mm of test
fungus was inoculated in the centre of the plate Discs loaded with sterile broth of
Czapekrsquos Dox served as control whereas penicillin 20microgdisc used as positive control for
the gram positive bacteria and streptomycin 20microgdisc used as a positive control for gram
negative bacteria Petri dishes were kept at 30degC for (2-3 days) The inhibition zone were
measured in mm
14
210 In vitro nematicidal activity of culture filtrate of Penicillium species
To examine the nematicidal potential of the culture filtrate 1 ml of culture filtrate
was filled in a cavity blocks containing 15 picked second stage nematode (Meloidogyne
javanica) larvae As a +ve control distilled H2O water was used 2ml The cavity blocks
were kept at room temperature 25-30C and nematode mortality was recorded after 24-48
hours under stereomicroscope
211 Fractionation of culture filtrates
Culture filtrate was extracted three times with n-hexane and chloroform by shaking
vigorously in a separating funnel The extraction volume of each solvent is approximately
half to that of the filtrate Each solvent layer was allowed to separate out and run off from
the aqueous layer The n-hexane and chloroform fractions were collected pooled
concentrated on a rotary evaporator (Eyela-NE) separately and weighed
28 Determination of antifungal activity of frcations of culture filtrates of
Penicillium species in vitro
Each fraction was re-dissolved in their respective solavent and loaded at
concentration of 20 40 and 60 microl on thick sterile filter paper discs and dried and placed in
clock wise manner according to concentration in the plates containing Czapekrsquos Dox Agar
(CDA) Disc of test fungus were inoculated in centre of plates Czapekrsquos Dox broth (CDB)
used as control and carbendazim at 20 microgdisc used as positive control Petri dishes were
left for 5-7 days at 30degC and distance between test fungus and disc was measured as
inhibition zone (Qureshi 2003)
29 In vitro antibacterial activity of the frcations of culture fitrates of the
Penicillium species
In order to examine the prescence of secondary metabolites of the species of
Penicillium against bacteria lawn of test bacterium was prepared in 90mm petri dishes
containing Nutrient Agar medium Filtrates of cell free culture of the species of Penicillium
species at 20 40 and 60 microldisc were loaded on thick sterile filter paper discs and dried
15
and placed in clock wise manner according to concentration in the plates having bacterial
lawn with nutrient Agar 5 mm disc of test fungus was inoculated in centre of plate Discs
loaded with sterile broth of Czapekrsquos Dox (CDB) used as control whereas penicillin
20microgdisc used as positive control for gram positive bacteria and streptomycin 20microgdisc
served as positive control for gram negative bacteria Petri dishes were kept at (30degC) for
(2-3) days The inhibition zone were measured in mm
212 Extraction and compounds from mycelium of endophytic Penicillium
10 gm mycelium was thoroughly washed with n-hexane solvent to remove excess
water and extraction with (200 mL) n-hexane by Soxhlet extractor for (8 h) The fractions
were evaporated at 40degC through a rotary vacuum evaporator
213 Spectroscopy of oily fractions extrcated from mycelium of Penicillium
regulosum
The oily mass extracted from mycelium and culture filtrate of endophytic fungi
were subjected to GC-MS in order to isolate volatile compound GCMS (Gas
chromatographymass spectrometer) analyzed on High Resolution Mass spectrometer Jeol
HX-110 (Japan) eqquiped with data system DA-5500 with gas chromatograph Hewlett
packard (5890)
213 Determination of colony forming unit (cfu) per ml of suspension
Colony forming unit (cfu) per ml of Penicillium suspension were determined by
dilution plate method Fungi grown on the petri plates added then multiplied by the factor
of the dilutions donated by (cfuml) of the fungi
Cfu ml = Number of colonies of bacteria on plate X Dilution factor
16
214 Growth parameters
2141 Physical growth parameter
On harvesting the experiment physical parameters of the plants which was height
weight of the shoot length and weight of the roots number and weight of fruits were
measured
2142 Percent Infection of fungi (root rot) on roots
To determe of the infection of the root rot fungi method reported by Rahman et al
(2016) was used
215 Biochemical parameters
2151 Estimation of polyphenols
Dried sample of the leaves crushed in ethanol of 96 vv At 3000rpm for 20min
mixture of the sample centrifuged Supernatants used to anlayse antioxidant Salicylic and
polyphenol activity
Folin-Ciocalteu phenol reagent used for total poly phenol content described
(Chandini et al 2008)
2152 Estimation of antioxidant activity
Free radical scavenging assay was determined by DPPH (2 2-Di-phenyl-1-
picrylhydrazyl) used for Antioxidant activity (Zubia et al 2007 Duan et al 2006)
2153 Quantification of salicylic acid (SA)
Salicylic quantification was done by using 01 percent prepared Fecl3 (Ferric Chloride)
described by Warrier et al (2013)
216 analysis of Fruits
17
2161 pH (Power of Hydrogen)
To determine the pH fresh sample of five gram fruit in (10ml) of distilled water
were centrifuged for (20 min) in (3000) rpm Supernatent collected to analyse biochemical
activitySample pH measured as described (AOAC 1990)
2162 Moisture content
To analyse moisture content Fresh fruit determine by the method AOAC (1990)
Fruit moisture content can be calculated as follows
Moisture content= Weight of fresh sample ndash Weight of dried sampletimes 100
-------------------------------------------------------
Weight of fresh sample
2163 Tritable acidity (TA)
Sample of 5-ml titrated against (01 N) NOAH solutions by adding 2-3 drops of
phenolphthalein indicator drops for the persistent of the pink coloration The tritable
acidity was calculated by AOAC (1900)
2164 Total soluble solid
A juice drop transferred on prism surface of the hand refractometer (model
ATAGO) and the brix value was recorded by adjusting the eyepiece which showed TSS in
sucrose
2165 Firmness
Tomato fruit firmness recorded by using a TA-XT (Texture Analyser) with 3mm
diameter of the flat aluminium probe
2166 Total solids
It was determined as described by (James 1995) by subtracting percentage
moisture from 100
18
Total solids () = 100 ndash moisture
2167 Protein
Content of protein measured using (Lowry et al 1951) method
2168 Carbohydrate
Method of Phenol-sulphuric acid used to determine the prescence of carbohydrate
of the fruit sample (Dubios et al 1956)
2169 Antioxidant activity and Total polyphenol
To estimate the polyphenol by Folin-Ciocalteu phenol reagent method used
described as (Chandini et al 2008) To determine the antioxidant activity of fruits
samples used by method described by (Zubia et al 2007 Duan et al 2006)
217 Experimental design
Complete randomized design or randomized complete block design used as a
ststistical tool in screen house and field conditions experiments
218 Analysis of data
(ANOVA) Analysis of variance included least significant difference (LSD) were
analyse according to experimental design described as Gomez and Gomez (1984) were
used
19
3 EXPERIMENTAL RESULTS
31 Isolation of endophytic Penicillium
Out of 80 plant samples from both wild and cultivated species (Roots stems and
leaves) 14 samples showed presence of genus Penicillium Endophytic Penicillium spp
isolated (root stem and leaves) from wild plants (Achyranthus aspera Atriplex stocksii
Euphorbia hirta Chorchorus tridens) and cultivated plant (Solanum melongena
Lycopersicon esculentum Helianthus annuus Azadirachta indica Abelmoschus
esculentus Momordica charantia) Fourteen isolates of Penicillium were isolated and
identified on the bases of their morphological feature Species of Penicillium were
identified as P lividum P lilacinum P purpurogenum P nigricans P rugulosum P
restrictum P duclauxi P asperum P thomii P citrinum and P javanicum (Table 1)
32 Molecular Identification of endophytic Penicillium
The selected endophytic Penicillium isolates P rugulosum (EPAAR5) P
decumbens (EPAIR6) P nigricans (EPSLR4) P asperum (EPHAL10) and P
purpurogenum (EPEHS7) initially identified by morphological characters were further
subjected to molecular identification and strain typing (Habiba et al 2018) PCR
amplification of DNA from endophytic Penicillium strains using a universal genus specific
primer set (ie ITS1 and ITS4) which amplified the product size ranging between 500 to 600
bp for different fungal species while 600bp specific for Penicillium spp All products thus
showing the availability and consistency in size of typical 600bp for Penicillium isolates
(Figure 1A) RAPD-PCR was also performed to established the genotypic variations and
similarities with in the genus Penicillium (Figure 1B) RAPD-PCR is universally used and
based on polymorphism of DNA at the taxonomic level clearly illustrates the discrimination
power at the specie level Moreover the dendrogram of RAPD-PCR analysis revealed the
genetic relatedness between the isolates (Figure 1C) Dendogram represents two distinct
clades in first isolate P rugulosum EPAAR5 and P purpurogenum EPEHS7 were found to
share the same clade (a) whereas P asperum EPHAL10 P nigricans EPSLR4 P
decumbens EPAIR6 and positive control exist together in the second clade (b)
20
21
22
32 In dual culture plate assay antifungal activity of endophytic Penicillium
Fungicidal potential of endophytic species of Penicillium isolates were
examined usually phytopathogens such as Rhizoctonia solani Macrophomina
phaseolina F oxysporum and Fusarium solani using dual culture plate assay The 5mm
diam agar disc of endophytic Penicillium was placed on a 90mm Petri dish poured
with (CDA) Czapekrsquos Dox Agar pH (72) On opposite side of this disc from root
rotting fungi grown in plate a 5mm disc of was cut placed and leave at 28oC and
inhibition zone measured averaged and expressed in mm
All endophytic Penicillium showed best result against common root rot fungi
Maximum inhibition zone (25mm) against Fsolani produced by Ppurpurogenum
then Pdecumbens and P nigricans inhibition zone produced against Rsolani
(Table 1) fig1-7
23
Table 1 Suppression of Macrophomina phaseolina Rhizoctonia solani Fusarium solani and F oxysporum in dual culture plate assay
by the endophytic Penicillium species isolated from different wild and cultivated plants
Fungus Penicillium spp Host name Plant
part MPhaseolina Rsolani Fsolani Foxysporum
Zone of inhibition(mm)
EPSMR1 P citrinum Solanum melongena L
(Solanaceae)
Root 4 4 20 20
EPSMS2 P lilacinum Solanum melongena L (Solanaceae) Stem 6 8 11 14
EPSML3 Ppurpurogenum Solanum melongena L (Solanaceae) leaf 6 5 25 17
EPSLR4 P nigricans Lycopersicon esculentum L
(Solanaceae)
root 5 25 16 21
EPAAR5 P rugulosum Achyranthus aspera L
(Amaranthaceae)
root 3 12 11 20
EPAIR6 P decumbens Azadirachta indica AJuss
(Meliaceae)
root 5 25 13 20
EPEHS7 P purpurogenum Euhorbia hirta L (Euphorbiaceae) stem 6 5 25 17
EPCTS8 P restrictum Chorchorus tridens L (Malvaceae) stem 2 2 5 5
EPASS9 Pduclauxi Atriplex stocksii
(Amaranthaceae)
stem 18 13 11 14
EPHAL10 Pasperum Helianthus annuus L (Asteraceae) leaf 2 2 5 5
EPAER11 P thomii Abelmoschus esculentus L
(Malvaceae)
root 5 8 5 6
EPMCL12 Plividum Momordica charantia L
(Cucurbitaceae)
leaf 18 13 11 14
EPSLR13 Pjavanicum Lycopersicon esculentum L
(Solanaceae)
root 5 24 17 22
EPAER14 Ppurpurogenum Abelmoschus esculentus L
(Malvaceae)
root 5 3 21 12
24
Fig1 Growth inhibition of Foxyspoum by the endophytic Penicillium in dual culture plate
assay
Fig2 Growth inhibition of Fsolani by the endophytic Penicillium in dual culture plate
assay
25
Fig3 Growth inhibition of Fsolani by the endophytic Penicillium in dual culture plate
assay
Fig4 Growth inhibition of F solani by the endophytic Penicillium
in dual culture plate assay
26
Fig5 Growth inhibition of Foxyspoum by the endophytic Penicillium in dual culture plate
assay
Fig6 Growth inhibition of Fsolani by the endophytic Penicillium in dual culture plate
assay
27
Fig7 Growth inhibition of Foxyspoum by the endophytic Penicillium in dual culture plate
assay
33 In vitro fungicidal potential of culture filtrates of endophytic Penicillium
Penicillium isolates were grown in Czapekrsquos Dox broth pH 72 at 25-30oC for 15
days and through filteration culture filtrate was collected in autoclaved flasks The filtrate of
culture was dropped by chloroform under sterilize conndition to kill fungal propagoles if
any To determine the antifungal activity Disc Diffusion Method was used in which cell free
culture filterates at 20microldisc 40microldisc 60microldisc and control were placed at equal distance
at diferent positions in the petri plates poured with Czapeks Dox Agar pH 72 Water
impregnated disc were used as negative control and carbendazim 20microgdisc were used as
positive control against four root rot fungi viz Rhizoctonia solani Macrophomina
phaseolina F oxysporum and Fusarium solani 5mm disc of each root rot pathogen
Fusarium solani Macrophomina phaseolina F oxysporum and Rhizoctonia solani was
inoculated in the centre of the petri plates were kept 28oC for 5 days Distance between
paper disc and fungal colonies was measured as inhibition zone which were averaged and
showed in mmThe experiment was performed twice and replicated four times
28
Culture filtrate of Penicillium initiated growth suppression of (root rotting) fungi viz R
solani M phaseolina F oxysporum and F solani in vitro M phaseolina was inhibited by
culture filtrates of Plilacinum Pnigricans and Pthomii at 60microldisc by producing
maximum zone of 20mm Plilacinum Pnigricans and Pthomii also showed zone of
inhibition of 15mm at 20microldisc and 17mm at 40microldisc R solani was inhibited by
producing zone of 14mm at 60microldisc from culture filtrates of Plilacinum Ppurpurogenum
(EPSML3) Ppurpurogenum (EPEHS7) Pasperum and Ppurpurogenum (EPAER14)
Pnigricans and Pthomii produced zone of inhibition of 17mm at 60microldisc against F
solani P decumbens P citrinum Ppurpurogenum (EPSML3) EPSLR4 Pregulosum
Ppurpurogenum (EPEHS7) Pduclauxi Pasperum Pthomii Pjavanicum and
Ppurpurogenum (EPAER14) produced zone of inhibition ranging from 12-14mm at
60microldisc(Table 2)
29
Table 2 In vitro growth inhibition of Macrophomina phaseolina Rhizoctonia solani Fusarium solani and Foxysporum by culture
filtrates of endophytic Penicillium species isolated from wild and cultivated plant species
Fungus No Penicillium spp MPhaseolina Rsolani Fsolani Foxysporum
Zone of inhibition(mm)
Control 0 0 0 0
+ve Control (Carbendazim 20microgdisc) 8 5 9 7
EPSMR1 P citrinum
20microldisc 8 8 8 10
40microldisc 8 10 10 10
60microldisc 16 12 10 12
EPSMS2 Plilacinum
20microldisc 15 10 10 5
40microldisc 17 10 12 5
60microldisc 20 14 12 8
EPSML3 Ppurpurogenum
20microldisc 12 8 10 8
40microldisc 14 8 12 8
60microldisc 14 14 14 12
EPSLR4 P nigricans
20microldisc 15 0 11 8
40microldisc 17 4 15 9
30
Fungus No Penicillium spp MPhaseolina Rsolani Fsolani Foxysporum
Zone of inhibition(mm)
60microldisc 20 8 17 12
EPAAR5 P rugulosum
20microldisc 11 6 8 9
40microldisc 16 10 8 12
60microldisc 16 12 12 12
EPAIR6 P decumbens
20microldisc 12 5 14 12
40microldisc 14 8 14 14
60microldisc 14 8 14 14
EPEHS7 Ppurpurogenum
20microldisc 12 8 10 8
40microldisc 14 8 12 8
60microldisc 14 14 14 12
EPCTS8 Prestrictum
20microldisc 8 0 8 8
40microldisc 10 5 8 9
60microldisc 11 7 12 11
EPASS9 P duclauxi
20microldisc 12 0 12 10
31
Fungus No Penicillium spp MPhaseolina Rsolani Fsolani Foxysporum
Zone of inhibition(mm)
40microldisc 16 6 14 10
60microldisc 16 8 14 12
EPHAL10 Pasperum
20microldisc 10 8 12 10
40microldisc 12 10 16 12
60microldisc 12 14 16 12
EPAER11 Pthomii
20microldisc 15 0 11 8
40microldisc 17 4 15 9
60microldisc 20 8 17 12
EPMCL12 P lividum
20microldisc 12 8 10 9
40microldisc 12 8 12 11
60microldisc 14 12 13 11
EPSLR13 P javanicum
20microldisc 10 0 8 8
40microldisc 12 5 9 8
60microldisc 14 8 10 12
EPAER14 P purpurogenum
32
Fungus No Penicillium spp MPhaseolina Rsolani Fsolani Foxysporum
Zone of inhibition(mm)
20microldisc 12 8 10 8
40microldisc 14 8 12 8
60microldisc 14 14 14 12
33
34 In vitro antibacterial potentail of culture filtrates of endophytic Penicillium
Bacterial lawn of test bacteria was prepared in 90mm Petri dished conating Nutrient
agar and loaded disc of culture filterates at 20microldisc 40microldisc 60microldisc and control were
placed at equal distance in clockwise pattern in according to concentration Water
impregnated disc were used as negative control and Streptomycin 10microgdisc applied as +ve
control for gram +ve bacteria viz Salmonella typhimurium and Escherichia coli and
Penicillin applied as +ve control for gram positive bacteria viz Bacillus subtilus and
Staphlococcus aureus Zones of inhibition produced around the discs after 2-3 days growth
were recorded averaged and showed in millimeter (mm) The performance was conducted
twice and replicated four times
Fourteen isolates of Penicillium species were tested in vitro against four bacterial
species Bacillus subtilus and Staphlococcus aureus (Gram positive) and Salmonella
typhimurium and Escherichia coli (Gram negative)Cell free filtrate of culture of the
Penicillium resulted growth suppression of four bacteria Bsubtilus Saureus S
typhimurium and E coli in vitro Penicillium rugulosum was found to inhibit by Bsubtilus
by producing maximum zone of 9mm at 20microldisc 13mm at 40microldisc and 21mm at
60microldisc P rugulosum was found to inhibit by Saureus by producing maximum zone of
24mm at 20microldisc 30mm at 40microldisc and 30mm at 60microldisc P rugulosum was found to
inhibit S typhimurium by producing maximum zone of 12mm at 20microldisc 20mm at
40microldisc and 20mm at 60microldisc P rugulosum was found to inhibit E coli by producing
maximum zone of 18mm at 20microldisc 22mm at 40microldisc and 22mm at 60microldisc Bsubtilus
was inhibited by P lividum and Plilacinum by producing 16mm and 10mm zone at 20 40
and 60microldisc respectively Saureus was inhibited by P lividum and Plilacinum by
producing zone of inhibition of 18mm at 40 and 60microldisc and 20mm at 60microldisc
respectively E coli was found to inhibit by P decumbens by producing zone of 18mm at all
concentration (Table 3 and Fig 8)
34
Table3 In vitro growth suppression of Bsubtilus Saureus S typhimurium and E coli by culture filtrates of endophytic Penicillium
species
Fungus No Penicillium sp Bsubtilus Saureus S typhimurium E coli
Zone of inhibition mm
Control 0 0 0 0
Streptomycin 20 microgdisc 15 15 15 15
EPSMR1 P citrinum
20microldisc 6 4 4 4
40 microldisc 6 8 8 6
60 microldisc 6 8 8 6
EPSMS2 Plilacinum
20microldisc 10 10 14 8
40 microldisc 10 10 16 8
60 microldisc 10 12 20 8
EPSML3 Ppurpurogenum
20microldisc 4 6 0 0
40 microldisc 6 6 0 4
60 microldisc 8 8 10 4
EPSLR4 P nigricans
20microldisc 0 0 0 0
35
Fungus No Penicillium sp Bsubtilus Saureus S typhimurium E coli
Zone of inhibition mm
40 microldisc 4 4 2 4
60 microldisc 4 8 4 4
EPAAR5 P rugulosum
20microldisc 9 24 12 18
40 microldisc 13 30 20 22
60 microldisc 21 30 20 22
EPAIR6 P decumbens
20microldisc 6 4 10 18
40 microldisc 6 6 12 18
60 microldisc 6 8 14 18
EPEHS7 Ppurpurogenum
20microldisc 0 0 0 0
40 microldisc 8 6 0 0
60 microldisc 10 8 4 4
EPCTS8 P restrictum
20microldisc 2 4 4 4
40 microldisc 8 6 4 8
60 microldisc 8 8 6 12
EPASS9 P duclauxi
36
Fungus No Penicillium sp Bsubtilus Saureus S typhimurium E coli
Zone of inhibition mm
20microldisc 0 4 0 12
40 microldisc 0 4 0 12
60 microldisc 0 6 0 16
EPHAL10 Pasperum
20microldisc 0 8 4 2
40 microldisc 4 10 4 2
60 microldisc 4 10 6 4
EPAER11 Pthomii
20microldisc 0 0 0 4
40 microldisc 0 0 0 8
60 microldisc 0 0 0 8
EPMCL12 P lividum
20microldisc 16 16 8 4
40 microldisc 16 18 12 6
60 microldisc 16 18 12 6
EPSLR13 P javanicum
20microldisc 0 0 0 14
40 microldisc 0 0 0 16
60 microldisc 0 8 0 16
37
Fungus No Penicillium sp Bsubtilus Saureus S typhimurium E coli
Zone of inhibition mm
EPAER14 P purpurogenum
20microldisc 0 0 0 0
40 microldisc 8 6 0 0
60 microldisc 10 8 4 4
38
Fig 8 Growth inhibition of Saureus by the culture filterate of endophytic Penicillium in
disc diffusion method
A=Control B=+ve control C=20microldisc D=40microldisc E=60microldisc
35 In vitro nematicidal potentail of culture filtrates of endophytic Penicillium
spp
Penicillium isolates were grown in CDB (Czapekrsquos Dox broth) pH (72) at (25-
30oC) for 15 days and filtered and culture filtrate was collected in sterile flasks for use
Suspension of 10 juveniles per ml and culture filtrate (1 ml) of Penicillium isolates
shifted in cavity blocks and placed at 26 plusmn5oC These were replicated three times and
mortality rate of juvenile was noticed subsequently 24 and 48 hours
Culture filtrates of endophytic Penicillium exhibited nematicidal effects juveniles
mortality of Meloidogyne javanica occurred at different percentages Out of 14 isolates
tested Ppurpurogenum (EPSML3) initiated 100 killing of juveniles of M javanica in
24 h While 10 isolates initiated 50 or more juveniles mortality in 48 hours (Table 4)
A
B
C
E D
39
Table4 Effect of cell free culture filtrate of endophytic Penicillium spp on juveniles mortality of Meloidogyne javanica after 24 and
48 hours
Treatments Code Juveniles Mortality
24Hours 48Hours
Control(CDA Broth) hellip 0 0
P decumbens EPAIR6 50 76
Pnigricans EPSLR4 10 33
Pregulosum EPAAR5 46 63
P citrinum EPSMR1 36 73
Plilacinum EPSMS2 36 83
Ppurpurogenum EPSML3 100 100
Pduclauxi EPASS9 10 76
Plividum EPMCL12 16 53
Ppurpurogenum EPEHS7 43 76
Prestrictum EPCTS8 76 83
Pthomii EPAER11 43 43
Ppurpurogenum EPAER14 43 76
Pjavanicum EPSLR13 10 33
Pasperum EPHAL10 30 70
40
41
36 In-vitro antimicrobial potentail of solvent fractions of culture filtrtaes of
endophytic Penicillium
In our present study filtrates of culture of each fungus extracted thrice with n-
hexane and then chloroform by shaking vigorously in a separating funnel The extraction
volume of each solvent is approximately half to that of filtrate The n-hexane and
chloroform fractions were collected pooled and finally crude extracts on a rotary vacum
evaporator (Eyela-NE) separately and weighed The dilutions of 15mgml of n-hexane and
chloroform were dissolved in their respective solvents and weighed down on senitized
discs at 20 40 and 60microldisc and dried These are used for antimicrobial test by Disc
Diffusion Method as described for cell free culture filtarates section (Hadacek and Greger
2000) Solvent of respective fractions were served as control streptomycin at 20microgdisc
was used as positive control in determining antibacterial activity against Salmonella
typhimurium Escherichia coli Bacillus subtilus Staphlococcus aureus and Pseudomonas
auroginosa Whereas in antifungal activity carbendazim at 20microgdisc used as positive
control against root rotting fungi Mphaseolina Foxysporum Fsolani and Rsolani
There were four replicates of each treatment
361 In-vitro fungicidal potentail of n-hexane fractions
P rugulosum and Ppurpurogenum (EPEHS7) produced inhibition zones of 20mm
against Mphaseolina whereas P decumbens produced maximum inhibition zones of
25mm against Foxysporum and Fsolani was also inhibited P rugulosum
Ppurpurogenum (EPEHS7) and P nigricans Highest zone of inhibition of 25mm at
60microldisc were produced by P rugulosum against Rsolani (Table 5)
42
Table5 In vitro growth inhibition of M Phaseolina R Solani F solani and F oxysporum by n-Hexane fraction of endophytic
Penicillium species
Fungus No Penicillium sp M phaseolina R solani F solani F oxysporum
Zone of inhibition mm
Control 0 0 0 0
Carbendazim 20 microgdisc 30 30 30 30
EPSLR4 P nigricans
20microldisc 0 18 8 12
40 microldisc 0 18 12 15
60 microldisc 0 18 12 15
EPAAR5 P rugulosum
20microldisc 20 22 20 15
40 microldisc 20 25 20 15
60 microldisc 20 25 20 15
EPAIR6 P decumbens
20microldisc 0 0 0 25
40 microldisc 0 0 0 25
60 microldisc 0 0 0 25
EPEHS7 Ppurpurogenum
20microldisc 20 20 20 0
43
40 microldisc 20 20 20 0
60 microldisc 20 `20 20 0
EPHAL10 Pasperum
20microldisc 0 0 0 0
40 microldisc 0 0 0 0
60 microldisc 0 0 0 0
44
362 In-vitro antibacterial potentail of n-hexane fractions of culture filtrates of
endophytic Penicillium
Pasperum and P rugulosum inhibited Bacillus subtilus by producing inhibition
zones ranging from 12-14mm respectively P rugulosum suppressed the growth of
Staphlococcus aureus by producing inhibition zone 24mm at 60microldisc while P
rugulosum also formed inhibition zones measuring 18mm against Escherichia coli whereas
the inhibition zones of 20mm against Salmonella typhimurium were produced by P
rugulosum Similarly P rugulosum inhibited Pseudomonas auroginosa with zones of
25mm (Table 6 and Fig9-12)
363 In-vitro fungicidal potentail of chloroform fractions of culture filtrates of
endophytic Penicillium
P rugulosum produced inhibition zones of 20mm 25mm 20mm and 15mm at
60microldisc against Fsolani Rsolani Mphaseolina Rsolani and Foxysporum (Table 7)
45
Table6 In vitro growth inhibition of Bsubtilus Saureus S typhimurium E coli and Pauroginosa by n-hexane fraction of
endophytic Penicillium species
Penicillium sp Bsubtilus Saureus S typhimurium E coli Pauroginosa
Zone of inhibition mm
Control 0 0 0 0 0
Streptomycin 20 microgdisc 15 15 15 15 15
EPSLR4 P nigricans
20microldisc 6 10 8 8 8
40 microldisc 9 10 8 8 9
60 microldisc 11 11 9 12 10
EPAAR5 P rugulosum
20microldisc 0 18 18 11 18
40 microldisc 0 21 18 11 22
60 microldisc 0 24 20 18 22
EPAIR6 P decumbens
20microldisc 0 8 16 0 11
40 microldisc 0 8 16 0 11
60 microldisc 0 12 16 0 11
EPEHS7 Ppurpurogenum
20microldisc 5 10 7 8 9
40 microldisc 8 10 7 8 11
46
60 microldisc 8 12 7 8 11
EPHAL10 Pasperum
20microldisc 10 8 6 10 10
40 microldisc 11 9 6 10 10
60 microldisc 12 11 9 10 12
47
Fig9 Growth inhibition of Pauroginosa by the n-hexane fraction endophytic Penicillium in
disc diffusion method
Fig10 Growth inhibition of Saureus by the n-Hexane fraction of endophytic Penicillium in
disc diffusion method
C
+ve C
20microl
60microl
40microl
+veC
20microl
40microl
60microl
C
48
Fig11 Growth inhibition of S typhimurium by the n-Hexane fraction of endophytic
Penicillium in disc diffusion method
Fig12 Growth inhibition of E coli by the n-Hexane fraction of endophytic Penicillium in
disc diffusion method
C
60microl
40microl
20microl +veC
vCCe
veve
+veC
vCCe
veve
C
60microl
20microl
40microl
49
Table7 In vitro growth suppression of M Phaseolina R Solani F solani and F oxysporum by chloroform fraction of endophytic
Penicillium species
Fungus No Penicillium sp M Phaseolina R Solani F solani F oxysporum
Zone of inhibition mm
Control 0 0 0 0
Carbendazim 20 microgdisc 30 30 30 30
EPSLR4 P nigricans
20microldisc 0 0 0 0
40 microldisc 0 0 0 0
60 microldisc 0 0 0 0
EPAAR5 P rugulosum
20microldisc 15 0 20 20
40 microldisc 15 0 20 20
60 microldisc 15 0 20 20
EPAIR6 P decumbens
20microldisc 0 0 0 0
40 microldisc 0 0 0 0
60 microldisc 0 0 0 0
EPEHS7 Ppurpurogenum
20microldisc 25 0 20 15
40 microldisc 25 0 20 15
50
60 microldisc 25 0 20 15
EPHAL10 Pasperum
20microldisc 0 0 0 0
40 microldisc 0 0 0 0
60 microldisc 0 0 0 0
364 In-vitro antibacterial potentail of chloroform fractions of culture filtrates of endophytic Penicillium
P rugulosum inhibited Bacillus subtilus Staphlococcus aureus Salmonella typhimurium and Pseudomonas auroginosa by
producing inhibition zones ranging from 21-18mm P rugulosum while P rugulosum also produced inhibition zones measuring
11mm against Escherichia coli whereas the inhibition zones of 14mm against Escherichia coli were produced by P nigricans
(Table 8 and Fig12)
51
Table8 In vitro growth inhibition of Bsubtilus Saureus S typhimurium E coli and Pauroginosa by chloroform fraction of
endophytic Penicillium species
Fungus No Penicillium sp Bsubtilus Saureus S typhimurium E coli Pauroginosa
Zone of inhibition mm
Control 0 0 0 0 0
Streptomycin 20 microgdisc 15 15 15 15 15
EPSLR4 P nigricans
20microldisc 16 16 14 14 16
40 microldisc 16 16 14 14 18
60 microldisc 18 16 16 14 20
EPAAR5 P rugulosum
20microldisc 18 18 20 11 20
40 microldisc 18 18 20 11 21
60 microldisc 18 18 20 11 21
EPAIR6 P decumbens
20microldisc 0 0 0 0 0
40 microldisc 0 0 0 0 0
60 microldisc 0 0 0 0 0
EPEHS7 Ppurpurogenum
20microldisc 0 0 14 0 0
52
40 microldisc 0 0 14 0 0
60 microldisc 0 0 14 0 0
EPHAL10 Pasperum
20microldisc 0 7 11 0 6
40 microldisc 0 7 11 0 6
60 microldisc 0 10 11 0 9
53
4
Fig13 Growth inhibition of S typhimurium by the chloroform fraction of endophytic
Penicillium in disc diffusion method
C
+ve C
20microl 40microl
60microl
54
3656 Extraction and characterization of compounds from mycelium of endophytic
Penicillium
Czapekrsquos Dox broth of Penicillium regulosum was prepared in (250 ml) conical
flask containing (100 ml) A 5mm disc of test Penicillium was cuttedinoculated and
incubated (25-30degC) and left for 15 days When fungi secreted secondry metabolites then
cell free culture filtrates were obtained by filtering The mycelium was used for the
extraction of compounds
10 gm mycelium was thoroughly washed with n-hexane solvent to remove excess
water and extracted with 200 mL n-hexane using a Soxhlet extractor for 8 h The extracts
were filtered and dried at 40degC by using a rotary vacuum evaporator The oily mass
extracted from mycelium of Penicillium regulosum was subjected to GC-MS analysis
GCMS (Gas chromatographymass spectrometer) analyzed on High Resolution Mass
spectrometer Jeol HX-110 (Japan) equipped with data system DA-5500 in combination with
gas chromatograph Hewlett packard (5890)
Total 23 different chemical compounds were obtained from mycelium fraction Volatile
compound such as normal hydrocarbon (akane and alkene) fatty acid alcohol ether
terpenoids and benzene derivatives including cyclohexane and other compounds that were
found among the volatile metabolites were identified by mass spectral data base (Table 9)
55
(1) Nanodecane
(2) Nonadecane
(3) Heptadecane
(4) Heptacosane
(5) Heptacosane
(6) Eicosane
(7) Octadecane
(replib) Nonadecane
50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 2400
50
10057
71
85
99113 127 141 155 169 183 197
(replib) Nonadecane
60 80 100 120 140 160 180 200 220 240 260 2800
50
10057
71
85
99113 127 141 155 169 183 197 268
(replib) Heptadecane
50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 240 2500
50
10057
71
85
99113 127 141 155 169 182 196 210 240
(replib) Heptacosane
60 80 100 120 140 160 180 200 220 240 260 280 300 320 3400
50
10057
71
85
99113 127 141 155 169 183 197 211 225 239 253 267 281 294 308 322 336
(replib) Heptacosane
60 80 100 120 140 160 180 200 220 240 260 280 300 3200
50
10057
71
85
99113 127 141 155 169 183 197 211 225 239 253 267 281 294 308 322
(mainlib) Eicosane
60 80 100 120 140 160 180 200 220 240 260 2800
50
10057
71
85
99113
127 141 155 169 183 197 211 225 238 252 282
(replib) Octadecane
60 80 100 120 140 160 180 200 220 240 2600
50
10057
71
85
99113 127 141 155 169 183 197 210 225 254
56
(8) Tetradecanoic acid
(9) Dodecane 2610-trimethyl-
(10) i-Propyl tetradecanoate
(11) i-Propyl 12-methyltetradecanoate
(12) Ethyl 13-methyl-tetradecanoate
(13) Widdrol hydroxyether
(mainlib) Tetradecanoic acid
50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 2400
50
100
55
60
69
73
8397 115
129
138
143157
171
185
199209
228
OH
O
(replib) Dodecane 2610-trimethyl-
60 80 100 120 140 160 180 200 220 240 2600
50
10057
71
85
97
113127
141 155 168183 197 212
(mainlib) i-Propyl tetradecanoate
50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 240 2500
50
100
60
71
8397
102
111
129
143157
171
185
199
211
228
O
O
(mainlib) i-Propyl 12-methyltetradecanoate
60 80 100 120 140 160 180 200 220 240 2600
50
10057
60
71
83 97
102
111 129
143153 165
177
185
195 213225
242O
O
(mainlib) Ethyl 13-methyl-tetradecanoate
60 80 100 120 140 160 180 200 220 240 260 2800
50
100
55
61
70
88
101
115129
143
157
171 185 199 213
227
241 255
270
O
O
(mainlib) Widdrol hydroxyether
60 80 100 120 140 160 180 200 220 240 260 2800
50
100
55
69
81
95 109
123
135
140
150
167
177 205223
238
O
OH
57
(14) n-Hexadecanoic acid
(15) Hexadecanoic acid ethyl ester
(16) Oleic Acid
(17) 912-Octadecadienoic acid ethyl ester
(replib) n-Hexadecanoic acid
60 80 100 120 140 160 180 200 220 240 2600
50
10060 73
8397
115
129
143157 171 185
199
213
227 239
256
OH
O
(mainlib) Hexadecanoic acid ethyl ester
60 80 100 120 140 160 180 200 220 240 260 2800
50
100
55
61 73
88
101
115129 143
157
171 185 199 213 225239
255 267284
O
O
(mainlib) 912-Octadecadienoic acid ethyl ester
60 80 100 120 140 160 180 200 220 240 260 280 300 3200
50
100
55
6781
95
109
123135 150 164 178
192 205 220 234
263
279
308
O
O
(replib) Oleic Acid
60 80 100 120 140 160 180 200 220 240 260 2800
50
10055
69
83
97
111
125137 151 165 180 193 207 222 236
264
282
HO
O
58
(18) Ethyl Oleate
(19) cis-10-Nonadecenoic acid
(20) 2-Propenoic acid 3-(4-methoxyphenyl)- 2-ethylhexyl ester
(21) 12-Benzenedicarboxylic acid diisooctyl ester
(replib) Ethyl Oleate
60 80 100 120 140 160 180 200 220 240 260 280 300 3200
50
10055
6983
97
111123
137 155180
194 207
222
236
264
281
310
O
O
(mainlib) cis-10-Nonadecenoic acid
60 80 100 120 140 160 180 200 220 240 260 280 300 3200
50
10055
6983
97
111
125137 151 165 179 194 207 221 236 249 261
278296
HO
O
(mainlib) 2-Propenoic acid 3-(4-methoxyphenyl)- 2-ethylhexyl ester
60 80 100 120 140 160 180 200 220 240 260 280 3000
50
100
55 77 90 103118
133
147
161
178
191 262290
O
O
O
(replib) 12-Benzenedicarboxylic acid diisooctyl ester
60 90 120 150 180 210 240 270 300 330 360 3900
50
100
5770
83 104132
149
167
279
O
O
O
O
(mainlib) Cyclopenta[ad]cycloocten-5-one 1233a456899a1010a-dodecahydro-7-(1-methylethyl)-19a-dimethyl-4-methylene
60 90 120 150 180 210 240 270 300 330 360 3900
50
100
55
69
81
95
107
121
147
173189
215
231
243
258
286
O
59
(22) Cyclopenta[ad]cycloocten-5-one 1233a456899a1010a-dodecahydro-7-(1-
methylethyl)-19a-dimethyl-4-methylene
(23) 2-Aminofluorescein
(mainlib) 2-Aminofluorescein
50 100 150 200 250 300 350 400 450 500 550 600 6500
50
100
63 91
151
189
287
303
318 347
O
O
OHO OH
H2N
60
Table9 GCMS of mycelial fraction of Penicillium regulosum
SNo Scan
No
Systemic Name
(Common Name)
Mol
Formula
Mol
Wt
Ret
Time
Conc
1 2606 Nanodecane C19H40 268 24168 0036
2 2913 Heptadecane C17H36 240 2641 0035
3 2998 Tetradecanoic acid C14H28O2 228 27038 0056
4 3230 Octadecane C18H38 254 28737 0049
5 3264 Dodecane 2610-trimethyl- C15H32 212 28986 0077
6 3331 i-Propyl tetradecanoate C17H34O2 270 29476 0058
7 3381 i-Propyl 12-methyltetradecanoate C18H36O2 284 29842 0097
8 3496 Ethyl 13-methyl-tetradecanoate C17H34O2 270 30684 0054
9 3653 Nonadecane C19H40 268 31834 0064
10 3975 Widdrol hydroxyether C15H26O2 238 34192 0094
11 4096 n-Hexadecanoic acid C16H32O2 256 35078 0079
12 4223 Hexadecanoic acid ethyl ester C18H36O2 284 36007 0094
13 4252 Eicosane C20H42 282 36220 0093
14 5475 Oleic Acid C18H34O2 282 45175 0105
15 5516 912-Octadecadienoic acid ethyl ester C20H36O2 308 45475 0084
16 5546 Ethyl Oleate C20H38O2 310 45694 0065
61
17 5970 cis-10-Nonadecenoic acid C19H36O2 296 48799 0053
18 6023 Heptacosane C27H56 380 49187 0051
19 6072 2-Propenoic acid 3-(4-methoxyphenyl)- 2-ethylhexyl ester C18H26O3 290 49546 0058
20 6281 Heptacosane C27H56 380 51076 0044
21 6591 12-Benzenedicarboxylic acid diisooctyl ester C24H38O4 390 53346 0048
22 6668 Cyclopenta[ad]cycloocten-5-one 1233a456899a1010a-
dodecahydro-7-(1-methylethyl)-19a-dimethyl-4-methylene
C20H30O 286 53910 004
23 8458 2-Aminofluorescein C20H13NO5 347 67016 0135
62
37 Screen house experiments
371 Effect of endophytic Penicillium in soil amended with neem cake in inhibition
of the root diseases and growth of sunflower (2016)
Fourteen isolates of endophytic Penicillium viz P duclauxi Plilacinum
Ppurpurogenum (EPSML3) Pnigricans Pregulosum P decumbens Ppurpurogenum
(EPEHS7) P restrictum P citrinum Pasperum Pthomii Ppurpurogenum (EPAER14)
Plividum Pjavanicum and caused growth suppression of four root rotting fungi in vitro A
25ml five-day-old cell suspension of fungal isolates were drench in 1kg soil obtaining from
experimental field of the Department of Botany each clay pots Carbendazim considered as
+ve control against pathogenic fungi Application of endophytic Penicillium and 1 Neem
cake were also applied in another pot set In each pot (6 seeds per pot) seed of sunflower
(Helianthus annuus) were sown and kept four seedlings after germination Treatments were
replicated four times watered daily
After six weeks experiment were harvested to evaluate the potentail of endophytic
Penicillium on the suppression of pathogens and growth of plant and data on height of
plant weight of fresh shoot length of root weight of root were measured and noted The
infection of root rotting fungi roots cleaned with tap water 5 root pieces of 1cm were
sterilized with 1 bleach and placed on plates poured with (Potato Dextrose Agar) PDA
mixed with penicillin (100000 units litre) and streptomycin (02 glitre) After incubation
of 5 day occurrence of root rots were recorded
Plant grown in soil amended with neem cake generally showed less infection of
root rotting fungi related to plant grown in natural soil (un-amended soil) Plant inoculated
with endophytic Penicillium species most of them showed less infection of root rotting
fungi related to control plant Plants grown in pots received Endophytic Pregulosum in
natural soil and also in amended soil with neem cake showed no infection of F oxysporum
Whereas P Pnigricans Pregulosum P citrinum Ppurpurogenum (EPSML3)
Pduclauxi Pthomii Pjavanicum and P decumbens in amended soil with neem cake also
showed no infection of F oxysporum Combine effect of isolates P decumbens
63
Pnigricans P citrinum P lividum Plilacinum Ppurpurogenum (EPSML3) Pduclauxi
Ppurpurogenum (EPEHS7) P restrictum Pthomii Ppurpurogenum (EPAER14)
Pjavanicum and neem cake showed no infection on Fsolani P decumbens Pnigricans
Pregulosum and Pjavanicum also showed no infection of Fsolani when used alone
Plividum alone showed no infection of Mphaseolina on sunflower roots Combine effect
of P decumbens Pnigricans Pregulosum Pthomii and Pjavanicum with neem cake
showed significant reduction on infection of Mphaseolina Application of P decumbens
Pnigricans P citrinum Plividum Ppurpurogenum (EPEHS7) Ppurpurogenum
(EPAER14) and Pjavanicum showed no infection of Rsolani P decumbens
Pregulosum P citrinum Plilacinum Ppurpurogenum (EPSML3) Pduclauxi
Ppurpurogenum (EPEHS7) P restrictum Ppurpurogenum (EPAER14) Pjavanicum
with neem cake showed no infection of Rsolani While Pnigricans Plividum Pthomii
and Pasperum Significantly suppressed the Rsolani infection when applied in neem cake
amended soil (Table 10)
Greater plant height was produced by Ppurpurogenum (EPEHS7) P restrictum
Ppurpurogenum (EPAER14) and Pasperum when applied in neem cake amended soil
However effect of P restrictum and Pasperum with neem cake were significant on fresh
shoot weight (Table 10) Pnigricans Pthomii and Pjavanicum alone showed significant
result of root length and root weight whereas P decumbens and Pduclauxi with neem
cake showed greater root length (Table 11 and Fig13-14)
64
Table10 Effect of endophytic Penicillium and neem cake on the infection of Fusarium solani Foxysporum Rhizoctonia solani and
Macrophomina phaseolina on sunflower roots in green house experiment
Infection
Treatments Code Foxysporum
Fsolani
M phaseolina Rsolani
NS AS NS AS NS AS NS AS
Control hellip 50 187 75 25 75 50 187 125
Carbendazim hellip 25 0 312 62 125 25 125 0
P decumbens EPAIR6 187 0 0 0 25 187 0 0
Pnigricans EPSLR4 62 0 0 0 375 187 0 62
Pregulosum EPAAR5 0 0 0 187 62 187 62 0
P citrinum EPSMR1 375 0 25 0 125 25 0 0
Plilacinum EPSMS2 25 62 187 0 62 50 62 0
Ppurpurogenum EPSML3 50 0 125 0 62 25 62 0
Pduclauxi EPASS9 50 0 62 0 312 312 62 0
Plividum EPMCL12 50 62 50 0 0 50 0 62
Ppurpurogenum EPEHS7 375 187 375 0 50 312 0 0
Prestrictum EPCTS8 50 62 62 0 125 437 62 0
Pthomii EPAER11 62 0 62 0 375 187 62 62
Ppurpurogenum EPAER14 375 187 375 0 50 312 0 0
Pjavanicum EPSLR13 62 0 0 0 375 187 0 0
Pasperum EPHAL10 125 0 25 187 375 312 62 62
LSD005 Treatment=4651 Pathogen=2322 Soil Type=1643
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
3Mean values in the NS and AS column showing difference greater than LSD value are significantly different at plt005
NS= Natural Soil AS=Amended Soil
65
Table11 Effect of endophytic Penicillium and neem cake on the growth of sunflower in green house experiment
Treatments Code Shoot Length
Shoot Weight
Root Length Root weight
(cm)
(g)
(cm)
(g)
NS AS NS AS NS AS NS AS
Control 22775 3993 253 535 643 1162 0645 0675
Carbendazim 2585 418 2216 451 742 1287 0715 0622
P decumbens EPAIR6 2541 4487 243 512 1103 1406 077 0786
Pnigricans EPSLR4 2824 44 277 527 1221 1218 1005 0645
Pregulosum EPAAR5 2527 4406 25 475 862 1287 0781 0629
P citrinum EPSMR1 2599 4681 218 51 94 862 0726 0807
Plilacinum EPSMS2 22685 4587 205 539 631 558 0663 0578
Ppurpurogenum EPSML3 25211 4087 215 471 932 681 0841 0648
Pduclauxi EPASS9 2541 4487 243 512 1103 1406 077 0786
Plividum EPMCL12 22685 4587 205 539 631 558 0663 0578
Ppurpurogenum EPEHS7 234 4931 153 573 887 725 0583 0748
Prestrictum EPCTS8 26186 4918 214 678 918 757 069 0866
Pthomii EPAER11 2824 44 277 527 1221 1218 1005 0645
Ppurpurogenum EPAER14 234 4931 153 573 887 725 0583 0748
Pjavanicum EPSLR13 2824 44 277 527 1221 1218 1005 0645
Pasperum EPHAL10 26186 4918 214 678 918 757 069 0866
LSD005 5141 7881 07911 1821 2551 2821 01951 031
1 Difference greater than LSD values among means in column are significant at plt005
NS= Natural Soil AS=Amended Soil
66
372 Effect of endophytic Penicillium with neem cake in inhibition of the root
diseases and growth of Sunflower (2017)
Fourteen isolates of endophytic Penicillium viz P citrinum Plilacinum
Ppurpurogenum (EPSML3) Pnigricans Pregulosum P decumbens Ppurpurogenum
(EPEHS7) P restrictum Pduclauxi Pasperum Pthomii Plividum Pjavanicum and
Ppurpurogenum (EPAER14) caused growth suppression of four root rotting fungi in vitro
A 25ml five-day-old cell suspension of fungal isolates were drench in 1kg soil obtaining
from experimental field of the Department of Botany each clay pots Carbendazim
considered as positive control against root rotting fungi Application of endophytic
Penicillium and 1 Neem cake were also applied in another pot set In each pot (6 seeds per
pot) seed of sunflower (Helianthus annuus) were sown and kept four seedlings after
germination Treatments were replicated four times watered daily
After six weeks experiment were harvested to evaluate the potentail of endophytic
Penicillium on the suppression of pathogens and growth of plant and data on plant height
fresh shoot weight root length root weight were measured and noted The infection of
root rotting fungi roots were washed under tap water 5 root pieces of 1cm were sterilized
with 1 bleach and placed on plates poured with Potato Dextrose Agar mixed with
penicillin (100000 units litre) and streptomycin (02 glitre) After incubation of 5 day
occurrence of root rots were recorded
67
68
Fig14 Growth promotion by the endophytic Penicillium in sunflower
Control +veControl EP EP EP
69
Fig14 Growth promotion by the endophytic Penicillium in neem cake amended soil in
sunflower
Control +ve Control EP
+veControl EP
EP
EP EP EP EP
EP
Control
70
Plant grown in soil amended with neem cake generally showed less infection of
root rotting fungi as compared to plant grown in natural soil (un-amended soil) Plant
inoculated with endophytic Penicillium species most of them showed less infection of
root rotting fungi as compared to untreated control Plants grown in pots received
Endophytic Penicillium isolates caused significant reduction except Ppurpurogenum
(EPSML3) and Plividum which caused no reduction as compared to untreated control
on F oxysporum infection Whereas pots received endophytic P citrinum
Ppurpurogenum (EPSML3) Pnigricans Pregulosum P decumbens Pduclauxi
Pthomii Pjavanicum with neem cake showed complete suppression of F oxysporum
Combine effect of isolates Pnigricans P citrinum Plilacinum Plividum P
restrictum Pthomii Pjavanicum and neem cake showed no infection of Fsolani P
decumbens Pnigricans and Pjavanicum also showed complete suppression of
infection of Fsolani while Plividum showed no difference from control when used
alone Plividum alone showed no infection of Mphaseolina on sunflower roots
Combine effect of all treatments with neem cake showed significant reduction on
infection of Mphaseolina Application of P decumbens P citrinum Plividum
Ppurpurogenum (EPEHS7) and Pregulosum showed no infection of Rsolani P
decumbens Pnigricans P citrinum Ppurpurogenum (EPSML3) Pduclauxi
Ppurpurogenum (EPEHS7) P restrictum Ppurpurogenum (EPAER14) and
Pjavanicum with neem cake showed complete suppression of Rsolani (Table 12)
Plant grown in soil amended with neem cake generally showed greater height as
compared to plant grown in natural soil (un-amended soil) Plant inoculated with
endophytic Penicillium species most of them showed larger shoot length as compared to
untreated control Greater plant height was produced by Plilacinum when applied in
neem cake amended soil (Table 13 and Fig 15-17)
71
Table12 Effect of endophytic Penicillium and neem cake on the infection of Fusarium solani Foxysporum Rhizoctonia solani and
Macrophomina phaseolina on sunflower roots in green house experiment
Infection
Treatments Code Foxysporum
Fsolani
M phaseolina Rsolani
NS AS NS AS NS AS NS AS
Control 50 187 50 25 75 75 187 125
Carbendazim 125 62 312 62 125 25 62 62
P decumbens EPAIR6 125 0 0 62 25 187 0 0
Pnigricans EPSLR4 62 0 0 0 312 187 62 0
Pregulosum EPAAR5 125 0 25 62 125 125 0 62
P citrinum EPSMR1 375 0 25 0 125 25 0 0
Plilacinum EPSMS2 25 62 187 0 62 50 62 62
Ppurpurogenum EPSML3 50 0 125 62 62 25 62 0
Pduclauxi EPASS9 25 0 62 62 312 187 62 0
Plividum EPMCL12 50 62 50 0 0 50 0 62
Ppurpurogenum EPEHS7 375 187 312 125 50 31 0 0
Prestrictum EPCTS8 125 62 62 0 125 437 62 0
Pthomii EPAER11 62 0 62 0 375 187 62 62
Ppurpurogenum EPAER14 375 187 312 125 50 312 62 0
Pjavanicum EPSLR13 62 0 0 0 312 187 62 0
Pasperum EPHAL10 125 125 25 187 312 312 62 62
LSD005 Treatment=4451 Pathogen=2222 Soil Type=1573
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
3Mean values in the NS and AS column showing difference greater than LSD value are significantly different at plt005
NS= Natural Soil AS=Amended Soil
72
Table13 Effect of endophytic Penicillium and neem cake on the growth of sunflower in green house experiment
Treatments Code
Shoot Length
(cm)
Shoot Weight
(g)
Root Length Root weight
(cm)
(g)
NS AS NS AS NS AS NS AS
Control 3256 3893 378 642 57 1034 085 131
Carbendazim 3781 4293 452 607 84 1025 124 128
P decumbens EPAIR6 4412 6275 386 1013 7 768 086 213
Pnigricans EPSLR4 4838 6208 489 953 863 656 096 141
Pregulosum EPAAR5 4568 6412 472 994 658 666 0909 128
P citrinum EPSMR1 385 6443 373 1425 75 787 088 226
Plilacinum EPSMS2 345 6551 206 1019 706 645 072 161
Ppurpurogenum EPSML3 3545 6037 2405 909 677 593 091 144
Pduclauxi EPASS9 4412 6275 386 1013 7 768 086 213
Plividum EPMCL12 345 6551 206 1019 706 645 072 161
Ppurpurogenum EPEHS7 385 59 245 886 868 1118 083 163
Prestrictum EPCTS8 4158 5006 362 818 6102 1275 067 186
Pthomii EPAER11 4838 6208 489 953 863 656 096 141
Ppurpurogenum EPAER14 385 59 245 886 868 1118 083 163
Pjavanicum EPSLR13 4838 6208 489 953 863 656 096 141
Pasperum EPHAL10 4158 5006 362 818 6102 1275 067 186
LSD005 10331 8971 2271 5521 3021 2171 04581 1071
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
NS= Natural Soil AS=Amended Soil
73
Fig15 Growth promotion by the endophytic Penicillium in soil amended with neem cake
in sunflower
373 Effect of endophytic Penicillium with neem cake in inhibition of root diseases
and mung bean growth
In an experiment a 25 ml cell suspension of five-day-old cultures of Fourteen
isolates of endophytic Penicillium viz P citrinum Plilacinum Ppurpurogenum
(EPSML3) Pnigricans Pregulosum P decumbens Ppurpurogenum (EPEHS7) P
restrictum Pduclauxi Pasperum Pthomii Plividum Pjavanicum and
Ppurpurogenum (EPAER14) were applied in pots filled with 1 Kg soil Endophytic
Penicillium were drench in each pots with 1 neem cake in another pot set Mung bean
(Vigna radiata) seeds were sown pots (6 seeds per pot) Four seedlings were remained in
each pots after germination Treatments were replicated four times and data were noticed
after 45 days
EP
Carbendazim Control
74
No infection of Foxysporum were found Plilacinum Ppurpurogenum (EPSML3)
and Pduclauxi when used in natural soil Whereas infection of Foxysporum was also not
found where Plilacinum Pnigricans and Pduclauxi used in neem cake amended soil
Significant reduction in infection of Fsolani was seen in natural soil by all isolates whereas
in neem cake amended soil all isolates also showed significant reduction other than P
citrinum which showed infection equal to control treatment 75 No infection of
Mphaseolina was showed by P citrinum in both type of soil whereas P restrictum also
showed no infection of Mphaseolina only in natural soil Control showed no infection of
Rsolani in natural soil while Pnigricans Pasperum Pthomii and Pjavanicum in
amended soil showed no infection of Rsolani (Table 14)
Use of endophytic Plividum with neem cake caused a significant increase in
plant height while Pnigricans Plilacinum Ppurpurogenum (EPEHS7) Pasperum
Pthomii Pjavanicum and Ppurpurogenum (EPAER14) showed significant result in
natural soil Ppurpurogenum (EPEHS7) and Ppurpurogenum (EPAER15) showed
significant growth on Shoot weight in natural soil In natural soil greater root length was
showed by Plilacinum whereas in amended soil P restrictum Pasperum Pthomii and
Pjavanicum showed larger root length (Table 15)
75
Table14 Effect of endophytic Penicillium with neem cake on the infection of Fusarium solani Foxysporum Rhizoctonia solani and
Macrophomina phaseolinaon mung bean roots in green house experiment
Infection
Treatments Code Foxysporum
Fsolani
M phaseolina Rsolani
NS AS NS AS NS AS NS AS
Control hellip 50 312 100 75 100 50 0 562
Carbendazim hellip 125 62 50 312 187 25 0 25
P decumbens EPAIR6 125 25 375 437 187 437 0 125
Pnigricans EPSLR4 62 0 50 187 125 187 0 0
Pregulosum EPAAR5 125 187 437 50 312 50 62 562
P citrinum EPSMR1 62 62 437 75 0 0 62 62
Plilacinum EPSMS2 0 0 50 125 312 62 187 62
Ppurpurogenum EPSML3 0 25 375 50 25 25 437 187
Pduclauxi EPASS9 0 0 437 375 25 375 62 25
Plividum EPMCL12 62 25 25 687 125 375 62 50
Ppurpurogenum EPEHS7 62 125 375 312 187 187 62 25
Prestrictum EPCTS8 12 25 437 375 0 312 62 187
Pthomii EPAER11 62 62 437 25 125 312 0 0
Ppurpurogenum EPAER14 62 125 375 312 187 187 62 25
Pjavanicum EPSLR13 62 0 50 187 125 187 0 0
Pasperum EPHAL10 435 125 25 25 25 187 0 0
LSD005 Treatment=5611 Pathogen=2802 Soil Type=1983
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
3 Mean values in the NS and AS column showing difference greater than LSD value are significantly different at plt005
NS= Natural Soil AS=Amended Soil
76
Table15 Effect of endophytic Penicillium and neem cake on the growth of mung bean in green house experiment
Treatments Code Shoot Length
Shoot Weight
Root Length Root weight
(cm)
(g)
(cm)
(g)
NS AS NS AS NS AS NS AS
Control hellip 1375 1714 078 08 1531 4652 051 014
Carbendazim hellip 139 1865 073 1322 1556 473 056 015
P decumbens EPAIR6 1359 161 089 1055 1233 5002 055 023
Pnigricans EPSLR4 1463 1452 077 031 1125 6375 031 011
Pregulosum EPAAR5 1358 1775 073 0732 1943 4905 032 017
P citrinum EPSMR1 1299 1606 059 0617 165 477 039 016
Plilacinum EPSMS2 148 1685 083 0662 251 4175 046 022
Ppurpurogenum EPSML3 1299 1606 059 0617 165 477 039 016
Pduclauxi EPASS9 1187 1916 069 0855 1108 4562 017 016
Plividum EPMCL12 132 2147 061 1358 2252 4785 026 022
Ppurpurogenum EPEHS7 1448 1917 092 1115 1543 445 059 016
Prestrictum EPCTS8 1268 1874 068 1102 1087 702 031 02
Pthomii EPAER11 1463 179 077 1203 1125 7025 031 024
Ppurpurogenum EPAER14 1448 1917 092 1115 1543 445 059 016
Pjavanicum EPSLR13 1463 179 077 1203 1125 7025 031 024
Pasperum EPHAL10 1463 1874 077 1102 1125 702 031 02
LSD005 1611 4011 0191 2141 8421 1151 0171 0071
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
NS= Natural Soil AS=Amended Soil
77
374 Effect of Endophytic Penicillium and cotton cake in inhibition of root
diseases and mung bean growth
A 25 ml five-day-old cell suspension of fourteen isolates of endophytic
Penicillium viz P citrinum Plilacinum Ppurpurogenum (EPSML3) Pnigricans
Pregulosum P decumbens Ppurpurogenum (EPEHS7) P restrictum Pduclauxi
Pasperum Pthomii Plividum Pjavanicum and Ppurpurogenum (EPAER14) were
applied in clay pots filled with 1 Kg soil In similler set endophytic Penicillium were
drench in each pots alongwith 1 cotton cake Seeds of mungbean (Vigna radiata)
were sown Four seedlings were kept in each pot after germination Carbendazim (200
ppm) 25 ml pot considered as positive control
After 45 days data were noted Different Fsolani and Foxysporum infection
showed between plants treated with different isolates was significant Endophytic
Penicillium isolates separete or combine with cotton cake caused significant reduction
M phaseolina infection Plants grown in soil treated with Pnigricans Pregulosum P
decumbens Ppurpurogenum (EPEHS7) Pthomii Plividum Pjavanicum and
Ppurpurogenum (EPAER14) in cotton cake amended soil showed no infection of R
solani (Table 16)
Cotton cake and Pnigricans Pthomii Pjavanicum significant increased root
length and fresh root weight related to control plants While combine use of cotton cake
and P decumbens significantly improved fresh shoot weight (Table 17)
78
Table16 Effect of Endophytic Penicillium and cotton cake on the infection of Fusarium solani Foxysporum Rhizoctonia solani and
Macrophomina phaseolina on mungbean roots in green house experiment
Infection
Treatments Code Foxysporum
Fsolani
M phaseolina Rsolani
NS AS NS AS NS AS NS AS
Control hellip 50 50 100 75 100 75 0 187
Carbendazim hellip 125 50 50 75 187 75 0 187
P decumbens EPAIR6 125 0 375 312 187 375 0 0
Pnigricans EPSLR4 62 187 50 437 125 375 0 0
Pregulosum EPAAR5 125 62 437 125 312 187 62 0
P citrinum EPSMR1 62 25 437 437 0 437 62 187
Plilacinum EPSMS2 0 375 50 687 312 25 187 62
Ppurpurogenum EPSML3 0 437 375 50 25 687 437 185
Pduclauxi EPASS9 0 312 437 562 25 562 62 65
Plividum EPMCL12 62 125 25 25 125 25 62 0
Ppurpurogenum EPEHS7 62 0 375 312 187 125 62 0
Prestrictum EPCTS8 125 312 437 312 0 312 62 65
Pthomii EPAER11 62 187 437 437 125 375 0 0
Ppurpurogenum EPAER14 62 0 375 312 187 125 62 0
Pjavanicum EPSLR13 62 187 50 437 125 375 0 0
Pasperum EPHAL10 437 375 25 312 25 562 0 125
LSD005 Treatment=5891 Pathogen=2942 Soil Type=2083
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
3Mean values in the NS and AS column showing difference greater than LSD value are significantly different at plt005
NS= Natural Soil AS=Amended Soil
79
Table17 Effect of Endophytic Penicillium and Cotton cake on the growth of mung bean in green house experiment
Treatments Code
Shoot Length
Shoot Weight Root Length Root weight
(cm)
(g)
(cm)
(g)
NS AS NS AS NS AS NS AS
Control hellip 1375 1364 078 089 1531 613 051 031
Carbendazim hellip 139 1398 073 106 1556 699 056 038
P decumbens EPAIR6 1359 147 089 142 1233 79 055 039
Pnigricans EPSLR4 1463 1435 077 119 1125 1185 031 071
Pregulosum EPAAR5 1358 1322 073 101 1943 746 032 036
P citrinum EPSMR1 1299 1318 059 193 165 961 039 037
Plilacinum EPSMS2 148 1438 083 116 251 1096 046 045
Ppurpurogenum EPSML3 1299 1318 059 193 165 961 039 037
Pduclauxi EPASS9 1187 1438 069 13 1108 1178 017 048
Plividum EPMCL12 132 1323 061 107 2252 1024 026 048
Ppurpurogenum EPEHS7 1448 12875 092 107 1543 933 059 041
Prestrictum EPCTS8 1268 1453 068 128 1087 972 031 046
Pthomii EPAER11 1463 1435 077 119 1125 1185 031 071
Ppurpurogenum EPAER14 1448 12875 092 107 1543 933 059 041
Pjavanicum EPSLR13 1463 1435 077 119 1125 1185 031 071
Pasperum EPHAL10 1463 1453 077 128 1125 972 031 046
LSD005 1611 2661 0191 091 8421 271 0171 0291
1 Difference greater than LSD values among means in column are significant at plt005
NS= Natural Soil AS=Amended Soil
80
375 Effect of endophytic Penicillium in inhibition of root diseases and
mungbean growth
A 25 ml five-day-old cell suspension of fourteen isolates of endophytic
Penicillium viz P citrinum Plilacinum Ppurpurogenum (EPSML3) Pnigricans
Pregulosum P decumbens Ppurpurogenum (EPEHS7) P restrictum Pduclauxi
Pasperum Pthomii Plividum Pjavanicum and Ppurpurogenum (EPAER14) were
applied in clay pots filled with 1 Kg soil In similler set endophytic Penicillium were
drench in each pots alongwith 1 cotton cake Seeds of mungbean (Vigna radiata)
were sown Four seedlings were kept in each pot after germination Carbendazim (200
ppm) 25 ml pot considered as positive control
No infection of Foxysporum was found by Plilacinum and Pduclauxi
treatments Significant reduction in infection of Fsolani was seen by all isolates No
infection of Mphaseolina was showed by P citrinum and P restrictum All treatments
showed significant reduction on infection of Rsolani although Pnigricans P
decumbens Pthomii and Pjavanicum showed 0 infection (Table 18)
Application of Endophytic Pasperum caused a significant increase in plant
height Showed significant result in natural soil P citrinum caused significant growth
on Shoot weight Root length showed non-significant result P decumbens showed
greater fresh root weight (Table 19)
81
Table18 Effect of Endophytic Penicillium on the infection of Fusarium solani Foxysporum Rhizoctonia solani and
Macrophomina phaseolina on mung bean roots in green house experiment
Treatments Code Foxysporum Fsolani M phaseolina Rsolani
Infection
Control --------- 50 100 100 50
Carbendazim --------- 25 50 50 62
P decumbens EPAIR6 125 375 187 0
Pnigricans EPSLR4 62 50 125 0
Pregulosum EPAAR5 125 437 312 62
P citrinum EPSMR1 62 437 0 62
Plilacinum EPSMS2 0 50 312 187
Ppurpurogenum EPSML3 25 25 312 25
Pduclauxi EPASS9 0 437 25 62
Plividum EPMCL12 62 25 125 65
Ppurpurogenum EPEHS7 62 375 187 62
Prestrictum EPCTS8 125 437 0 62
Pthomii EPAER11 62 50 125 0
Ppurpurogenum EPAER14 62 375 187 62
Pjavanicum EPSLR13 62 50 125 0
Pasperum EPHAL10 437 25 25 62
LSD005 Treatment=7601 Pathogen=3802
82
Table19 Effect of endophytic Penicillium on the growth of mung bean in green house experiment
Treatments Code Shoot Lenght Shoot Weight Root Length Root weight
(cm) (g) (cm) (g)
Control ---------- 1475 0522 4972 0098
Carbendazim --------- 1635 0987 3737 009
P decumbens EPAIR6 1382 0799 4462 0154
Pnigricans EPSLR4 1088 0794 4467 0101
Pregulosum EPAAR5 1414 0737 391 0087
P citrinum EPSMR1 1344 0987 4617 0137
Plilacinum EPSMS2 1399 0823 4195 0128
Ppurpurogenum EPSML3 1344 0987 4617 0137
Pduclauxi EPASS9 1434 0696 4127 0096
Plividum EPMCL12 1639 0752 4147 0121
Ppurpurogenum EPEHS7 1471 0642 435 0085
Prestrictum EPCTS8 1468 0928 4153 0088
Pthomii EPAER11 1482 0711 3865 0072
Ppurpurogenum EPAER14 1471 0642 435 0085
Pjavanicum EPSLR13 1482 0711 3865 0072
Pasperum EPHAL10 1608 0787 3875 0066
LSD005 2891 0261 0741 0051
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
83
84
376 Effect of endophytic Penicillium in soil amended with neem cake in
inhibition the root diseases and tomato growth
In this experiment 25 ml of five-day-old cell suspension of fourteen isolates of
endophytic Penicillium viz P citrinum Plilacinum Ppurpurogenum (EPSML3)
Pnigricans Pregulosum P decumbens Ppurpurogenum (EPEHS7) P restrictum
Pduclauxi Pasperum Pthomii Plividum Pjavanicum and Ppurpurogenum
(EPAER14) were applied in each pots filled 1 Kg soil In same other set endophytic
Penicillium were applied in each pots alongwith 10g neem cake per pot Three-week-
old four equal sized tomato (Lycopersicon exculentum) seedlings grown in autoclaved
soil were shifted in pots Carbendazim (200 ppm) 25 ml pot considered as positive
control Treatments were replicated four times and data were noticed after 60 days
Application of endophytic P decumbens P citrinum and Pduclauxi and P
restrictum alone affected a complete suppression of Foxysporum infection Whereas
Pduclauxi was found no infection of Foxysporum when used with neem cake (Table
20) Endophytic Penicillium are found effective against Fsolani in both type of soil
When P decumbens and Pduclauxi were used alone Infection of M phaseolina was
significantly reduced In neem cake amended soil untreated control showed no infection
of M phaseolina Difference in R solani infection among plants received different
treatment was non significant in both type of soil natural and amended (Table 20)
Plants grown in natural soil received P decumbens Pnigricans Pduclauxi
Ppurpurogenum (EPAER14) and Pjavanicum fungal culture showed better growth
than untreated control Pasperum with neem cake showed highly significant plant
height of 24cm (Table 21 and Fig18-20)
85
Table20 Effect of endophytic Penicillium and neem cake on the infection of Fusarium solani Foxysporum Rhizoctonia solani and
Macrophomina phaseolina on tomato roots in green house experiment
Infection
Treatments Code Foxysporum
Fsolani
M phaseolina Rsolani
NS AS NS AS NS AS NS AS
Control hellip 437 312 625 625 312 0 312 0
Carbendazim hellip 562 187 312 437 875 187 375 0
P decumbens EPAIR6 0 437 62 562 187 125 75 0
Pnigricans EPSLR4 312 562 187 625 375 312 687 0
Pregulosum EPAAR5 25 562 437 562 312 0 437 62
P citrinum EPSMR1 0 50 62 625 625 62 75 0
Plilacinum EPSMS2 50 437 437 562 375 125 687 62
Ppurpurogenum EPSML3 50 62 437 312 437 125 437 0
Pduclauxi EPASS9 0 0 62 25 187 125 50 62
Plividum EPMCL12 50 437 437 562 375 0 687 62
Ppurpurogenum EPEHS7 62 187 312 25 375 25 375 125
Prestrictum EPCTS8 0 312 187 437 25 187 562 0
Pthomii EPAER11 187 562 312 562 50 312 562 0
Ppurpurogenum EPAER14 62 187 312 25 375 25 375 125
Pjavanicum EPSLR13 312 562 187 625 375 312 687 0
Pasperum EPHAL10 62 312 125 562 25 62 812 0
LSD005 Treatment=5921 Pathogen=2962 Soil Type=2093
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
3Mean values in the NS and AS column showing difference greater than LSD value are significantly different at plt005
NS= Natural Soil AS=Amended Soil
86
Table 21 Effect of endophytic Penicillium and neem cake on the growth of tomato in green house experiment
Treatments Code Shoot Length Shoot Weight Root Length Root weight
(cm) (g) (cm) (g)
NS AS NS AS NS AS NS AS
Control hellip 12 1544 18 407 126 333 155 063
Carbendazim hellip 1318 2362 177 802 943 637 134 156
P decumbens EPAIR6 1672 1131 243 153 1185 666 057 033
Pnigricans EPSLR4 1681 1357 247 201 1082 848 069 033
Pregulosum EPAAR5 1497 1841 211 295 1106 833 05 048
P citrinum EPSMR1 1732 1755 297 389 922 1149 064 056
Plilacinum EPSMS2 132 1303 193 254 1242 529 052 046
Ppurpurogenum EPSML3 128 1087 171 109 1078 612 054 025
Pduclauxi EPASS9 1672 2255 243 636 1185 597 057 11
Plividum EPMCL12 1307 1303 178 254 1242 529 052 046
Ppurpurogenum EPEHS7 1307 1581 178 382 1242 1025 054 094
Prestrictum EPCTS8 1513 1755 191 389 135 1149 046 056
Pthomii EPAER11 1328 1375 214 234 148 466 046 055
Ppurpurogenum EPAER14 1681 1581 178 382 1242 1025 048 094
Pjavanicum EPSLR13 1681 1357 247 201 1082 848 069 033
Pasperum EPHAL10 1328 2412 18 732 1225 775 06 126
LSD005 271 5171 0691 2091 3731 3031 1031 0631
1 Difference greater than LSD values among means in column are significant at plt005
NS= Natural Soil AS=Amended Soil
87
Fig18 Growth promotion by the endophytic Penicillium in tomato
EP
88
377 Effect of endophytic Penicillium in soil amended with cotton cake in
inhibition of root diseases and tomato growth
In this experiment 25 ml of five-day-old cell suspension of fourteen isolates of
endophytic Penicillium viz P citrinum Plilacinum Ppurpurogenum (EPSML3)
Pnigricans Pregulosum P decumbens Ppurpurogenum (EPEHS7) P restrictum
Pduclauxi Pasperum Pthomii Plividum Pjavanicum and Ppurpurogenum
(EPAER14) were applied in each pots filled 1 Kg soil In same other set endophytic
Penicillium were applied in each pots alongwith 10g neem cake per pot Three-week-old
four equal sized tomato (Solanum Lycopersicum) seedlings grown in autoclaved soil
were shifted in pots Carbendazim (200 ppm) 25 ml pot was considered as positive
control Treatments were replicated four times and data were recorded after 60 days
Application of endophytic P decumbens P citrinum Pduclauxi and P
restrictum alone affected a broad inhibition of Foxysporum infection Whereas
Pregulosum was found no infection of Foxysporum when used with cotton cake (Table
22) Endophytic Penicillium are found effective against Fsolani in natural soil In
cotton cake amended soil Pnigricans and Pduclauxi showed significant reduction in
Fsolani infection When P decumbens and Pduclauxi were used alone Infection of M
phaseolina was significantly reduced In cotton cake amended soil Pregulosum P
citrinum Plilacinum Ppurpurogenum (EPSML3) and Plividum showed no infection
of M phaseolina Difference in R solani infection among plants received different
treatment was non-significant in natural soil and in cotton cake amended soil no
infection of Rsolani was found (Table 22)
89
Table 22 Effect of endophytic Penicillium and cotton cake on the infection of Fusarium solani Foxysporum Rhizoctonia solani and
Macrophomina phaseolina on tomato roots in green house experiment
Infection
Treatments Code Foxysporum
Fsolani
M phaseolina Rsolani
NS AS NS AS NS AS NS AS
Control hellip 437 50 625 25 312 62 312 0
Carbendazim hellip 562 437 312 187 875 125 375 0
P decumbens EPAIR6 0 62 62 562 1875 187 75 0
Pnigricans EPSLR4 312 62 187 187 375 62 687 0
Pregulosum EPAAR5 25 0 437 437 312 0 437 0
P citrinum EPSMR1 0 62 62 562 625 0 75 0
Plilacinum EPSMS2 50 187 437 375 375 0 687 0
Ppurpurogenum EPSML3 50 187 437 62 437 0 437 0
Pduclauxi EPASS9 0 562 62 562 187 25 50 0
Plividum EPMCL12 50 187 437 375 375 0 687 0
Ppurpurogenum EPEHS7 62 125 312 437 375 125 375 0
Prestrictum EPCTS8 0 625 187 312 25 62 562 0
Pthomii EPAER11 187 312 312 25 50 125 562 0
Ppurpurogenum EPAER14 62 125 312 437 375 125 375 0
Pjavanicum EPSLR13 312 62 187 187 375 62 687 0
Pasperum EPHAL10 62 125 125 50 25 62 812 0
LSD005 Treatment=5691 Pathogen=2842 Soil Type=2013
1Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
3Mean values in the NS and AS column showing difference greater than LSD value are significantly different at plt005
NS= Natural Soil AS=Amended Soil
90
Plants grown in natural soil received P decumbens Pnigricans Pduclauxi
Ppurpurogenum (EPAER14) and Pjavanicum fungal culture showed better growth
than untreated control P restrictum with cotton cake showed highly significant plant
height Pnigricans and Pjavanicum showed greater fresh shoot weight in amended
soil Root length in both type of soil was non-significant Whereas fresh root weight
was non-significant in natural soil In cotton cake amended soil Pduclauxi showed
significant fresh root weight (Table 23 and Fig21)
378 Effect of endophytic Penicillium with neem cake in inhibition of root
diseases and chickpea growth
Fourteen isolates of endophytic Penicillium viz P citrinum Plilacinum
Ppurpurogenum (EPSML3) Pnigricans Pregulosum Pdecumbens Ppurpurogenum
(EPEHS7) P restrictum Pduclauxi Pasperum Pthomii Plividum Pjavanicum and
Ppurpurogenum (EPAER14) caused suppression of four root rotting fungi in vitro A
25ml cell suspension of five-day-old culture of fungal isolates were drench in each pots
filled with 1kg soil Carbendazim considered as positive control against root rotting
fungi Combine use of endophytic Penicillium and 1 Neem cake were drenched in
another same set Chickpea (Cicer arietinum) seeds were sown in pots (6 seeds per pot)
After one week four seedlings were kept in each pots and extra were detached
Treatments were replicated four times and watered daily Data were recorded after six
weeks
91
Table23 Effect of endophytic Penicillium and cotton cake on the growth of tomato in green house experiment
Treatments Code
Shoot
Length
Shoot
Length
Shoot
Weight
Shoot
Weight
Root
Length
Root
Length
Root
weight
Root
weight
(cm) (cm) (g) (g) (cm) (cm) (g) (g)
NS AS NS AS NS AS NS AS
Control hellip 12 1633 18 554 126 1757 155 105
Carbendazim hellip 1318 2232 177 666 943 2285 134 163
P decumbens EPAIR6 1672 205 243 539 1185 1225 057 125
Pnigricans EPSLR4 1681 225 247 83 1082 15 069 183
Pregulosum EPAAR5 1497 1978 211 548 1106 1046 05 153
P citrinum EPSMR1 1732 1912 297 512 922 9 064 155
Plilacinum EPSMS2 132 2347 193 741 1242 1298 052 156
Ppurpurogenum EPSML3 128 1725 171 465 1078 925 054 061
Pduclauxi EPASS9 1672 214 243 69 1185 153 057 237
Plividum EPMCL12 1307 2347 178 741 1242 1298 052 156
Ppurpurogenum EPEHS7 1307 2068 178 612 1242 1131 054 108
Prestrictum EPCTS8 1513 2467 191 828 135 1817 046 225
Pthomii EPAER11 1328 225 214 657 148 155 046 164
Ppurpurogenum EPAER14 1681 2068 178 612 1242 1131 048 108
Pjavanicum EPSLR13 1681 225 247 83 1082 15 069 183
Pasperum EPHAL10 1328 2101 18 525 1225 1095 06 135
LSD005 271 4291 0691 3281 3731 5851 1031 091
1 Difference greater than LSD values among means in column are significant at plt005
92
Fig 21 Growth promotion by the endophytic Penicillium in soil amended with cotton
cake in tomato
EP
93
Plants grown in pots received endophytic Penicillium isolates Ppurpurogenum
(EPSML3) and Pthomii in natural soil and in amended soil with neem cake P
decumbens Pnigricans Ppurpurogenum (EPSML3) Ppurpurogenum (EPEHS7)
Pjavanicum and Ppurpurogenum (EPAER14) showed no infection of F oxysporumIn
unamended soil Fsolani was found significantly reduced except isolate Pasperum
Whereas in amended soil infection of Fsolani was non significant In unamended soil
Mphaseolina was found significantly reduced Combine effect of isolates
Ppurpurogenum (EPSML3) Ppurpurogenum (EPEHS7) Ppurpurogenum (EPAER14)
and neem cake showed significant result on Mphaseolina infection Application of
Pregulosum P decumbens P restrictum Pduclauxi Pasperum and Pthomii showed
no infection of Rsolani in natural soil Amended soil with neem cake showed no
infection of Rsolani (Table 24)
Greater plant height was produced by P decumbens Pnigricans Pregulosum
and Pduclauxi when applied in natural soil Effect of P restrictum and P citrinum with
neem cake showed highest plant height Untreated control of amended soil showed
highest value of fresh shoot weight and fresh root weight related to other treatments
whereas fresh shoot weight in natural soil showed significant result in all treatments
except Pthomii P decumbens and Pduclauxi alone showed highest root length and
fresh root weight In amended soil Ppurpurogenum (EPAER14) showed significant
root length (Table 25 and Fig22-27)
94
Table24 Effect of endophytic Penicillium and neem cake on the infection of Fusarium solani Foxysporum Rhizoctonia solani and
Macrophomina phaseolina on chickpea roots in green house experiment
Infection
Treatments Code Foxysporum
Fsolani
M phaseolina Rsolani
NS AS NS AS NS AS NS AS
Control hellip 375 0 50 125 437 375 25 0
Carbendazim hellip 0 0 25 25 312 375 125 0
P decumbens EPAIR6 187 0 125 312 375 687 0 0
Pnigricans EPSLR4 125 0 312 437 375 562 375 0
Pregulosum EPAAR5 62 62 187 437 375 50 0 0
P citrinum EPSMR1 312 187 187 312 375 50 187 0
Plilacinum EPSMS2 62 62 437 125 62 625 25 0
Ppurpurogenum EPSML3 0 0 375 25 62 312 62 0
Pduclauxi EPASS9 187 375 125 25 375 50 0 0
Plividum EPMCL12 62 62 437 125 62 625 25 0
Ppurpurogenum EPEHS7 187 0 25 375 125 312 62 0
Prestrictum EPCTS8 375 375 25 25 125 50 0 0
Pthomii EPAER11 0 187 437 187 62 25 0 0
Ppurpurogenum EPAER14 187 0 25 375 125 312 62 0
Pjavanicum EPSLR13 312 0 187 43 312 562 375 0
Pasperum EPHAL10 125 62 50 125 125 812 0 0
LSD005 Treatment=4901 Pathogen=2452 Soil Type=1733
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
3Mean values in the NS and AS column showing difference greater than LSD value are significantly different at plt005
NS= Natural Soil AS=Amended Soil
95
Table25 Effect of endophytic Penicillium and neem cake on the growth of chickpea in green house experiment
Treatments Code Shoot Length Shoot Weight Root Length Root weight
(cm) (g) (cm) (g)
NS AS NS AS NS AS NS AS
Control hellip 2369 2225 274 837 274 975 211 303
Carbendazim hellip 239 2975 32 821 2187 1537 376 235
P decumbens EPAIR6 2925 2911 376 388 3037 1293 522 116
Pnigricans EPSLR4 293 3357 339 661 2331 1391 376 12
Pregulosum EPAAR5 2928 3315 332 633 2296 9 387 117
P citrinum EPSMR1 267 3384 313 668 2397 975 394 098
Plilacinum EPSMS2 2768 2801 31 698 2155 1132 35 109
Ppurpurogenum EPSML3 2587 3332 3075 738 267 137 432 141
Pduclauxi EPASS9 2925 2911 376 388 3037 1293 522 116
Plividum EPMCL12 2768 2801 31 698 2155 1132 35 109
Ppurpurogenum EPEHS7 2698 3077 326 506 2202 1565 413 139
Prestrictum EPCTS8 2667 3384 3205 668 2735 975 351 098
Pthomii EPAER11 239 30 296 799 2416 1062 427 125
Ppurpurogenum EPAER14 2698 3077 326 506 2202 1565 413 139
Pjavanicum EPSLR13 2618 3357 341 661 2587 1391 438 12
Pasperum EPHAL10 2856 2891 344 763 1921 1352 306 13
LSD005 471 4931 0941 3331 7321 5451 1611 11071
1 Difference greater than LSD values among means in column are significant at plt005
NS= Natural Soil AS=Amended Soil
96
Fig22 Growth promotion by the endophytic Penicillium in chickpea
Fig23 Growth promotion by the endophytic Penicillium in chickpea
EP
S
EP
97
Fig24 Growth promotion by the endophytic Penicillium in chickpea
EP
EP
98
Fig25 Growth promotion by the endophytic Penicillium in soil amended with neem cake
in chickpea
Fig 26 Growth promotion by the endophytic Penicillium in soil amended with neem cake
in chickpea
EP
EP
99
Fig27 Growth promotion by the endophytic Penicillium in soil amended with neem cake
in chickpea
379 Effect of endophytic Penicillium with mustard cake in suppressing the root
diseases and growth of chickpea
Fourteen isolates of endophytic Penicillium viz P citrinum Plilacinum
Ppurpurogenum (EPSML3) Pnigricans Pregulosum P decumbens Ppurpurogenum
(EPEHS7) P restrictum Pduclauxi Pasperum Pthomii Plividum Pjavanicum and
Ppurpurogenum (EPAER14) caused suppression of four root rotting fungi in vitro A
25ml cell suspension of five-day-old culture of fungal isolates were drench in each pots
filled with 1kg soil Carbendazim considered as positive control against root rotting
fungi Combine use of endophytic Penicillium and 1 mustared cake were drenched in
another same set Chickpea (Cicer arietinum) seeds were sown in pots (6 seeds per pot)
After one week four seedlings were kept in each pots and extra were detached
Treatments were replicated four times and watered daily Data were recorded after six
weeks
Root rot fungi infection was less in amended soil as compared to unamended
soil No infection of Foxysporum was found in Ppurpurogenum (EPSML3) and
Pthomii in unamended soil P citrinum Ppurpurogenum (EPSML3) Pnigricans
Pregulosum P decumbens Ppurpurogenum (EPEHS7) Pduclauxi Pjavanicum and
Ppurpurogenum (EPAER14) with mustard cake amendment showed complete
suppression of Foxysporum P decumbens and Ppurpurogenum (EPSML3) in
amended soil showed less infection of Fsolani while Plividum showed 100 infection
of Fsolani in amended soil Infection of M phaseolina in unamended soil was
significant whereas in amended soil untreated control showed no infection of M
phaseolina Treatment of Pthomii and Ppurpurogenum (EPAER14) in mustard cake
amended soil showed less infection of R solani while P citrinum Pnigricans
Pregulosum Pduclauxi Pjavanicum and Plividum showed non-significant result
(Table 26)
100
Natural soil showed greater plant height as compared to mustard cake amended
soil Pnigricans showed greater plant length as compared to other treatments In
amended soil plant height was non-significant statisticaly (Table 27)
101
Table 26 Effect of endophytic Penicillium and mustard cake on the infection of Fusarium solani Foxysporum Rhizoctonia solani and
Macrophomina phaseolina on chickpea roots in green house experiment
Infection
Treatments Code Foxysporum Fsolani M phaseolina Rsolani
NS AS NS AS NS AS NS AS
Control hellip 375 125 50 312 437 0 25 187
Carbendazim hellip 0 125 25 437 312 62 125 125
P decumbens EPAIR6 187 0 125 62 375 0 0 0
Pnigricans EPSLR4 125 0 312 437 375 187 375 437
Pregulosum EPAAR5 62 0 187 312 375 187 0 25
P citrinum EPSMR1 312 0 187 625 375 187 187 312
Plilacinum EPSMS2 62 62 437 50 62 25 25 125
Ppurpurogenum EPSML3 0 0 375 6 62 0 62 125
Pduclauxi EPASS9 187 0 125 625 375 62 0 312
Plividum EPMCL12 62 62 437 100 62 25 25 312
Ppurpurogenum EPEHS7 187 0 25 187 125 0 62 125
Prestrictum EPCTS8 375 62 25 125 125 125 0 62
Pthomii EPAER11 0 62 437 125 62 62 0 62
Ppurpurogenum EPAER14 187 0 25 187 125 125 62 125
Pjavanicum EPSLR13 312 0 187 312 31 187 375 437
Pasperum EPHAL10 125 0 50 187 125 0 0 0
LSD005 Treatment=4461 Pathogen=2232 Soil Type=1583
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
3Mean values in the NS and AS column showing difference greater than LSD value are significantly different at plt005
NS= Natural Soil AS=Amended Soil
102
Table 27 Effect of endophytic Penicillium and mustard cake on the growth of chickpea in green house experiment
Treatments Code Shoot Length Shoot Weight Root Length Root weight
(cm) (g) (cm) (g)
NS AS NS AS NS AS NS AS
Control hellip 2369 2188 274 406 274 692 211 58
Carbendazim hellip 239 2134 32 42 2187 937 376 499
P decumbens EPAIR6 2925 1525 376 288 3037 75 522 53
Pnigricans EPSLR4 293 1955 339 476 2331 758 376 137
Pregulosum EPAAR5 2928 1907 332 633 2296 875 387 1238
P citrinum EPSMR1 267 1916 313 556 2397 756 394 1172
Plilacinum EPSMS2 2768 1929 31 417 2155 946 35 383
Ppurpurogenum EPSML3 2587 12 3075 241 267 65 432 532
Pduclauxi EPASS9 2925 192 376 561 3037 1115 522 819
Plividum EPMCL12 2768 1929 31 417 2155 946 35 383
Ppurpurogenum EPEHS7 2698 1787 326 55 2202 925 413 734
Prestrictum EPCTS8 2667 185 3205 315 2735 45 351 099
Pthomii EPAER11 239 2305 296 626 2416 9 427 931
Ppurpurogenum EPAER14 2698 1787 326 55 2202 925 413 739
Pjavanicum EPSLR13 2618 2305 341 626 2587 9 438 931
Pasperum EPHAL10 2856 1662 344 582 1921 925 306 834
LSD005 471 6131 0941 3011 7321 2921 1611 6151
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
NS=NaturalSoilAS=AmendedSoil
103
3710 Effect of endophytic Penicillium and fungicides in inhibition of root infection
and sunflower growth
Four isolates of endophytic Penicillium viz P citrinum (EPSMR1) Pnigricans
(EPSLR4) P decumbens (EPAIR6) and Pasperum (EPHAL10) caused suppression of
four root rotting fungi in vitro and revealed significant growth in in vivo were selected to
evaluate the combine effect with three different fungicides (Feast-M Carbendazim and
Topsin-M) A 25ml five-day-old cell suspension of fungal isolates were applied in pots
filled with 1kg soil In same other set pots were also applied combine application of
endophytic Penicillium and fungicides Each fungicide were also drench 25ml of 200ppm
in each pot Sunflower (Helianthus annuus) seeds were sown in pot (6 seeds per pot)
After one week four seedlings were kept in pots and extra were detached Treatments were
replicated four times and watered according to requirement Data were recorded after six
weeks
All three fungicides alone showed no infection of F oxysporum Plants grown in pots
received endophytic Penicillium isolate P decumbens and Pasperum with Feast-M showed
no infection of infection of F oxysporum Plants grown in pots received endophytic
Penicillium isolate Pnigricans with carbendazim and Pnigricans and P citrinum with
Topsin-M showed complete suppression of infection of F oxysporum All treatments
showed less infection of Fsolani as compared to control All treatments showed less
infection of Mphaseolina as compared to untreated control except P citrinum Pnigricans
alone and P decumbens Pasperum combine with Topsin-M showed 100 Mphaseolina
infection on sunflower roots Combine effect of Pasperum with Topsin-M and P citrinum
alone showed no infection of Rsolani Feast-M+ Pasperum and carbendazim showed no
difference from untreated control (Table 28)
Greater plant height was produced by carbendazim+ Pnigricans However greater
fresh shoot weight was produced by Feast-M alone (Table 29)
104
Table 28 Effect of endophytic Penicillium and fungicides on the infection of Fusarium solani Foxysporum Rhizoctonia solani and
Macrophomina phaseolina on sunflower roots in green house experiment
Infection
Treatments Foxysporum Fsolani M phaseolina Rsolani
Control 75 100 100 75
Feast-M 0 37 687 625
Feast-M+ P citrinum 62 75 625 687
Feast-M+ Pnigricans 187 812 687 687
Feast-M+ P decumbens 0 312 50 625
Feast-M+ Pasperum 0 50 81 75
Carbendazim 0 812 75 75
Carbendazim+P citrinum 62 562 87 687
Carbendazim+ Pnigricans 0 75 625 187
Carbendazim+P decumbens 62 812 812 687
Carbendazim+ Pasperum 187 562 75 312
Topsin-M 0 437 812 62
Topsin-M+ P citrinum 0 812 437 125
Topsin-M+ Pnigricans 0 75 312 437
Topsin-M+P decumbens 687 687 100 25
Topsin-M+ Pasperum 875 25 100 0
P citrinum 437 687 100 0
Pnigricans 125 812 100 62
P decumbens 187 50 437 187
Pasperum 125 50 562 125
LSD005 Treatment=11271 Pathogen=5042
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
105
Table 29 Effect of endophytic Penicillium and fungicides on the growth of sunflower in green house experiment
Treatments ShootLength ShootWeight Root Length Root weight
Control 3197 339 288 288
Feast-M 4269 451 526 526
Feast-M+ P citrinum 4024 367 434 434
Feast-M+ Pnigricans 4008 347 381 381
Feast-M+ P decumbens 4137 348 513 513
Feast-M+ Pasperum 3685 341 492 492
Carbendazim 3675 319 398 398
Carbendazim+ P citrinum 3933 326 464 464
Carbendazim+ Pnigricans 394 323 466 466
Carbendazim+ P decumbens 3807 315 527 527
Carbendazim+ Pasperum 3729 259 47 47
Topsin-M 3935 314 383 383
Topsin-M+ P citrinum 3353 264 388 388
Topsin-M+ Pnigricans 3386 299 427 427
Topsin-M+ P decumbens 337 229 409 409
Topsin-M+ Pasperum 3249 264 433 433
P citrinum 3268 249 432 432
Pnigricans 2788 201 401 401
P decumbens 3421 3007 446 446
Pasperum 3262 229 363 363
LSD005 5751 0811 1041 1041
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
106
3711 Effect of endophytic Penicillium on okra growth
In this experiment six seeds of okra (Abelmoschus esculentus) were sown in
earthen pots filled with 5 kg garden soil and watered watered daily to gained the 50
WHC (Keen and Raczkowiski 1921) P nigricans (EPSLR4) P rugulosum (EPAAR5)
and P decumbens (EPAIR6) (8x107 cfumL) used as soil drench in each pot and four
seedlings were kept after germination Treatments were replicated four times in screen
house Carbendazim was considered as a positive control and data were recorded after 90
days of germination
Treatments showed significant (Plt005) reduction of F solani and R solani
related to control (Table 30)
Application of P rugulosum resulted maximum plant height highest shoot weight
and root length while maximum root weight produced due to the treatment of carbendazim
and P decumbens Maximum number of fruits produced by Pnigricans and P decumbens
resulted highest fresh fruit weight(Table 31)
Highest polyphenol content resulted by Pnigricans and highest antioxidant activity
determined due to the drenching of Pnigricans after 1 minute and after 30 minute
Application of P rugulosum resulted maximum production of salicylic acid (Table 31)
Application of antagonist showed significant outcome on okra fruits Highest pH
showed by Pnigricans Application of P decumbens resulted highest tritable acidity value
then in Pnigricans and P rugulosum (Table 33) Application of carbendazim resulted
highest moisture content then in P rugulosum in fruits Maximum protein resulted by P
rugulosum then in P decumbens while highest carbohydrate caused by P decumbens
then in Pnigricans All the treatments showed significant (Plt005) Increased polyphenol
content showed by all treatments as compared to control (Table 34) P decumbens
resulted highest polyphenol followed by P rugulosum as compared to untreated plants P
rugulosum resulted significant improve in antioxidant potentail(Fig28)
107
Table30 Effect of endophytic Penicillium as soil drench on the infection of Macrophomina phaseolina Rhizoctonia solani Fusarium
solani and F oxysporum in garden soil
Infection
Treatments Foxysporum Fsolani M phaseolina Rsolani
Control 0 50 625 50
Carbendazim 0 125 100 312
P decumbens 0 0 625 312
Pnigricans 0 62 50 125
P rugulosum 0 187 562 25
LSD005 Treatment=14321 Pathogen=12802
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
108
Table31 Effect of endophytic Penicillium as soil drench on growth of okra plants in garden soil
Treatments Shoot Length Shoot Weight Root Length Root Weight Number of
Fruits Fruit weight
(cm) (g) (cm) (g)
Control 3831 1058 1596 305 023c 708c
Carbendazim 3421 832 1659 546 045b 683c
P decumbens 4523 1167 1756 438 052a 1106a
Pnigricans 4265 1172 1794 188 054a 894b
P rugulosum 4592 1295 1967 2405 025c 533d
LSD005 511 4281 3431 581 00261 04841
1 Difference greater than LSD values among means in column are significant at plt005
109
Table32 Effect of endophytic Penicillium as soil drench on polyphenol salicylic acid and antioxidant activity of okra plants in garden
soil
Treatments Polyphenol Antioxidant () Salicylic Acid
microgml After 1 minute After 30 minutes microgml
Control 137e 2711e 2878e 0053d
Carbendazim 172d 4608d 4908d 0048e
P decumbens 308c 4974c 5256c 0093c
Pnigricans 424a 5744a 6229a 0116b
P rugulosum 364b 5393b 5859b 0161a
LSD005 00311 01361 04211 00041
1 Difference greater than LSD values among means in column are significant at plt005
110
Table33 Effect of endophytic Penicillium as soil drench on biochemical parameters of ok ra fruits
Treatments pH Tritable acidity Moisture content Total solids Total Soluble Solid
Sucrose
Control 587c 0087c 8668d 1353b 245d
Carbendazim 585c 013b 9175a 803e 257c
P decumbens 59c 0194a 8434e 1559a 31a
Pnigricans 629a 0128b 8715c 1287c 28b
P rugulosum 605b 0128b 8808b 1185d 317a
LSD005 0121 000571 0211 01031 0121
1 Difference greater than LSD values among means in column are significant at plt005
111
Table 34 Effect of endophytic Penicillium as soil drench on polyphenol antioxidant activity protein and carbohydrates of okra fruits
in garden soil
Treatments Antioxidant Polyphenol Protein Carbohydrates
microgml microgml microgml
Control 2647e 665e 13e 69d
Carbendazim 3575d 734d 27d 86c
P decumbens 4906c 1613a 5263b 1033a
Pnigricans 5115b 96c 39c 99b
P rugulosum 5631a 122b 5566a 9833b
LSD005 10591 01441 21941 3711
1 Difference greater than LSD values among means in column are significant at plt005
112
3712 Effect of endophytic Penicillium on the growth root rotting fungi and
induction of systemic resistance in tomato
Filled earthen pots with 5 kg of soil and watered according to requirement to
maintain 50 WHC (Keen and Raczkowiski 1921) P nigricans (EPSLR4) P
rugulosum (EPAAR5) and P decumbens (EPAIR6) (8x107 cfumL) used as soil drench
Four equal sized seedlings of tomato were transfered in pots Treatments were four time
replicated Carbendazim was considered as a positive control and data were recorded
after 90 days
Most of the treatment showed significant (Plt005) results of R solani F solani
and M phaseolina as relation to control plants (Table 35)
Application of Pnigricans showed highest plant height shoot weight by P
decumbens Maximum number of fruits produced by Pnigricans and P decumbens
resulted highest fresh fruit weight(Table 36)
P rugulosum showed improved polyphenol as compare to control plants
Highest antioxidant activity resulted by P decumbens and carbendazim after 1 minute
and after 30 minute P rugulosum showed highest antioxidant activity Application of
Pnigricans and P decumbens resulted maximum production of salicylic acid (Table
37)
Application of endophytic Penicillium showed significant effect on tomato
fruits Highest pH noticed when soil treated with Pnigricans and P decumbens
Maximun tritable acidity produced by P decumbens (Table 38) Highest protein
produced by P rugulosum then in P decumbens while carbohydrate resulted by
Pnigricans followed by P decumbens All the treatments showed increase polyphenol
content as compare to control (Table 39) Pnigricans showed significant enhancment in
antioxidant activity related to control
113
Table35 Effect of endophytic Penicillium as soil drench on the infection of Macrophomina phaseolina Rhizoctonia solani Fusarium
solani and F oxysporum in garden soil
Infection
Treatments Foxysporum Fsolani M phaseolina Rsolani
Control 312 100 937 562
Carbendazim 187 125 625 0
P decumbens 437 62 312 0
Pnigricans 312 0 187 25
P rugulosum 187 0 187 312
LSD005 Treatment1=1455 Pathogen2=1302
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
114
Table36 Effect of endophytic Penicillium as soil drench on growth of tomato plants in garden soil
Treatments Shoot Length Shoot Weight Root Length Root Weight Number of Fruits Fruit weight
(cm) (g) (cm) (g)
Control 52 1974 1816 35 30a 5801b
Carbendazim 4646 1322 1629 237 20c 4083a
P decumbens 443 2161 1283 418 2133c 995a
Pnigricans 55 1892 1561 315 32a 4286d
P rugulosum 5197 1695 1205 334 256b 4779c
LSD005 1481 18611 5391 4011 3781 0131
1 Difference greater than LSD values among means in column are significant at plt005
115
Table 37 Effect of endophytic Penicillium as soil drench on polyphenol salicylic acid and antioxidant activity of tomato plants in
garden soil
Treatments Polyphenol Antioxidant () Salicylic Acid
microgml After 1 minute After 30 minutes microgml
Control 090a 40a 139a 014a
Carbendazim 019a 49a 127a 018a
P decumbens 0076a 44a 131a 019a
Pnigricans 0076a 33a 103a 019a
P rugulosum 0108a 33a 292a 017a
LSD005 01081 01671 0301 00791
1 Difference greater than LSD values among means in column are significant at plt005
116
Table 38 Effect of endophytic Penicillium as soil drench on biochemical parameters of tomato fruits
Treatments pH Tritable acidity Firmness Total Soluble Solid
N Sucrose
Control 411c 023c 34a 323c
Carbendazim 418b 027bc 143b 806a
P decumbens 43a 034a 076b 676ab
Pnigricans 43a 030ab 126bc 613b
P rugulosum 418b 030ab 086bc 686ab
LSD005 00621 00541 0211 1311
1 Difference greater than LSD values among means in column are significant at plt005
117
Table 39 Effect of endophytic Penicillium as soil drench on polyphenol antioxidant activity protein and carbohydrates of tomato
fruits in garden soil
Treatments Antioxidant Polyphenol Protein Carbohydrates
microgml microgml microgml
Control 1966c 573e 16d 63a
Carbendazim 333b 756d 28c 78a
P decumbens 503a 1853a 51a 104a
Pnigricans 52a 1026c 41b 97a
P rugulosum 496a 125b 52a 96a
LSD005 5591 0471 5771 2391
1 Difference greater than LSD values among means in column are significant at plt005
118
38 FIELD EXPERIMENTS
381 Effect of Pseudomonas monteilii and endophytic Penicillium on okra growth in
field condition
The experiment carried out in 2 times 2 meter field and replicated four times Cell
suspension of endophytic Penicillium (8x107 cfumL) were drench at 200-ml per meter row
alone and in combination with Pseudomonas monteilii 20 seeds of okra were seeded in
rows Topsin-M at 200 ppm were also used alone as a positive control On the basis upon
the requirement plants were watered with difference of 2-3 days The field had infestation
of 2080 cfug of soil of a diverse population of F solani and F oxysporum 10-22
sclerotia of M phaseolina g of soil and 8-17 colonization of R solani on sorghum
seeds used as baits naturally To evaluate the potential of Pseudomonas monteilii and
endophytic Penicillium plants were harvested (form each row 4 plants took) after 45 and
90 days of germination Incidence of root rotting fungi plant physical parameters and
resistance biomarkers were recorded
Significant (Plt005) inhibition of F oxysporum showed by most of treatments as
compere to control except P rugulosum P decumbens + Pseudomonas monteilii and
Topsin-M after 45 days (Table 40) Maximum reduction of Fsolani were observed in
plants treated with Pseudomonas monteilii and Pnigricans + Pseudomonas monteilii after
45 days While maximum reduction of M phaseolina observed in application of P
rugulosum+ Pseudomonas monteilii after 45 days Application of P rugulosum+
Pseudomonas monteilii and Pnigricans showed maximum reduction of Rsolani after 45
days
Highest length of shoot and weight of shoot were observed in plants Maximum
plant hieght were observed after 45 and 90 days intervals with mixed application of
Pnigricans with Pseudomonas monteilii Highest weight of shoot were also observed in
combine application of Pnigricans with Pseudomonas monteilii after 45 and 90 days
while application of Pseudomonas monteilii resulted maximum length of root after 45
days Significant increase in root length produced after 90 days from combine application
of Pnigricans with Pseudomonas monteilii Highest root weight resulted from combine
119
application of Pnigricans with Pseudomonas monteilii after 45 and 90 days Combine
application of P decumbens with Pseudomonas monteilii resulted highest number and
weight of fruits produced after 90 days (Table 41)
After 45 days most of the treatments shown significantly high phenols except
Topsin-M Most of the treatments shown maximum antioxidant activity significantly
except P rugulosum after 1 minute whereas maximum antioxidant activity showed by
Pseudomonas monteilii after 30 minutes P decumbens showed maximum production of
salicylic acid after 45 days (Table 42)
All the treatment showed significant effect on phenolic content except Topsin-M
and P decumbens whereas all the treatment showed significant effect on antioxidant
activity except Topsin-M and P decumbens with Pseudomonas monteilii after 1 and 30
minutes after 90 days Maximum production of salicylic acid showed in combine treatment
of Pnigricans with Pseudomonas monteilii after 90 days (Table 43)
In this experiment combine application of Pseudomonas monteilii and endophytic
Penicillium showed significant increase in physiobiochemical of okra fruits Combine
activity of Pnigricans + Pseudomonas monteilii resulted highest antioxidant activity in
fruits followed by Pseudomonas monteilii alone Highest polyphenol content resulted due
to the application of Pseudomonas monteilii followed by combine application of P
rugulosum with Pseudomonas monteilii Protein were showed maximum in combine
application of P decumbens with Pseudomonas monteilii and Pseudomonas monteilii
alone (Table 44) On the other side carbohydrate content observed highest in combine
application of P rugulosum with Pseudomonas monteilii Application of Pseudomonas
monteilii resulted maximum of total solids whereas combination of P rugulosum with
Pseudomonas monteilii produced highest of moisture Significant increase in pH showed
by Topsin-M followed by combination of Pnigricans with Pseudomonas monteilii and
maximum tritable acidity was showed by P decumbens (Table 45)
120
Table 40 Effect of Pseudomonas monteilii and endophytic Penicillium as soil drench on the infection of M phaseolina Rsolani F
solani and F oxysporum in soil under field condition
Infection
Treatments Foxysporum Fsolani M phaseolina Rsolani
45 90 45 90 45 90 45 90
Control 375 0 562 312 937 100 562 0
Topsin-M 375 0 625 25 937 100 687 0
Pseudomonas monteilii 25 62 25 312 875 100 625 0
P decumbens 62 0 50 375 68 100 375 0
Pnigricans 125 187 562 687 875 100 312 0
P rugulosum 312 62 562 375 812 100 437 0
P rugulosum + Pseudomonas monteilii 187 12 312 50 625 937 312 0
P decumbens + Pseudomonas monteilii 312 62 437 25 812 687 562 0
Pnigricans + Pseudomonas monteilii 62 125 25 375 687 625 75 0
LSD005 Treatments1= 8931 Pathogens2=5952 Treatments1=13341 Pathogens2=8 892
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
121
Table 41 Effect of Pseudomonas monteilii and endophytic Penicillium as soil drench on growth of okra plants under the field
condition
Treatments Shoot Length
(cm)
Shoot Weight
(g)
Root Length
(cm)
Root Weight
(g)
Number
of Fruits
Fruit
weight
Control 45 90 45 90 45 90 45 90 90 90
Topsin-M 4178 6192 2228 4325 1368 2426 204 823 086g 246i
Pmontelii 422 6375 1765 4731 1267 2377 133 98 12f 31h
Penicillium decumbens 477 6861 2271 507 1839 2684 255 1056 246b 456d
P nigricans 4233 6617 1971 4887 1486 2578 167 1003 143e 1146a
Prugulosum 4866 7083 1635 5095 1378 2311 172 967 176d 331g
P rugulosum 4373 7026 2063 2051 1371 2464 169 709 123f 35f
P rugulosum + P monteilii 5768 8658 3164 5518 1167 3008 207 1208 143e 42e
P decumbens + P monteilii 5553 9499 1867 5897 1409 2938 187 1217 277a 661b
Pnigricans + P monteilii 5907 9867 4043 6095 14 3188 296 1923 22c 623c
LSD005 961 1321 131 1181 3551 1371 0831 2961 0111 0111
1 Difference greater than LSD values among means in column are significant at plt005
122
Table 42 Effect of Pseudomonas monteilii and endophytic Penicillium as soil drench on polyphenol salicylic acid and antioxidant
activity of okra plants in soil under field condition after 45 days
Treatments
Polyphenol
microgml
Antioxidant () Salicylic Acid
microgml After 1 minute After 30 minutes
Control 183h 7314e 7721e 007f
Topsin-M 146i 9119a 9886a 0113d
Pseudomonas monteilii 321f 784d 8466d 0144c
P decumbens 245g 6639g 6858g 0168a
Pnigricans 573c 8044c 8852c 0084e
P rugulosum 474d 7074f 7643f 0154bc
P rugulosum + P monteilii 336e 5045i 6038h 0105d
P decumbens + P monteilii 713b 5186h 5779i 0086e
Pnigricans + P monteilii 773a 8356b 8992b 0165ab
LSD005 00721 10191 06531 00121
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
123
Table 43 Effect of Pseudomonas monteilii and endophytic Penicillium as soil drench on polyphenol salicylic acid and antioxidant
activity of okra plants in soil under the field condition after 90 days
Treatments Polyphenol
microgml
Antioxidant () Salicylic Acid
microgml After 1 minute After 30 minutes
Control 25def 6656e 7135f 0038g
Topsin-M 183f 4922f 5575g 0074bc
Pseudomonas monteilii 326cde 8345a 8885a 0052e
P decumbens 226ef 7804b 8539b 0072c
Pnigricans 52b 7726c 8233c 0066d
P rugulosum 41c 7165d 7851d 0042f
P rugulosum + P monteilii 343cd 7744c 8241c 0066d
P decumbens + P monteilii 683a 3254g 4917h 0077b
Pnigricans + P monteilii 74a 6852e 7604e 0105a
LSD005 10061 05191 04731 0003081
1 Difference greater than LSD values among means in column are significant at plt005
124
Table44 Effect of Pseudomonas monteilii and endophytic Penicillium as soil drench on polyphenol antioxidant activity protein and
carbohydrates of okra fruits in soil under field condition
Treatments Antioxidant Polyphenol Protein Carbohydrate
microgml microgml microgml
Control 5102g 646g 1466g 5966f
Topsin-M 5514f 716f 2566f 67e
Pseudomonas monteilii 6662b 136a 6766a 126a
P decumbens 5933d 976d 56d 101b
Pnigricans 5838d 816e 43e 92d
P rugulosum 6521c 114c 59c 96c
P rugulosum + P monteilii 5659e 124b 66b 102b
P decumbens + P monteilii 6616bc 11c 6766a 100b
Pnigricans + P monteilii 6909a 86e 56d 97c
LSD005 10451 06241 14081 2471
1 Difference greater than LSD values among means in column are significant at plt005
125
Table 45 Effect of Pseudomonas monteilii and endophytic Penicillium as soil drench on
biochemical parameters of okra fruits under field condition
Treatments pH
Tritable
acidity
Moisture
content
Total
solids
Total Soluble
Solid
Sucrose
Control 624a 0102c 8774b 1222f 1425e
Topsin-M 619ab 0126b 8653e 1339b 1475e
Pseudomonas monteilii 615b 0124b 8458f 1522a 2975d
P decumbens 606d 0185a 8632e 1355b 3125cd
Pnigricans 613bc 0127b 8752bcd 1249de 33bc
P rugulosum 607cd 0124b 8735cd 1256d 302d
P rugulosum + P monteilii 606d 0123b 8842a 117g 375a
P decumbens + Pmonteilii 603d 0122b 876bc 1233ef 342b
Pnigricans + P monteilii 616b 0125b 8723d 128c 305d
LSD005 00641 00041 03021 0171 02221
1 Difference greater than LSD values among means in column are significant at plt005
126
127
128
4 DISCUSSION
Microbes and Higher plants are the rich source of novel drugs In last 50 years
numerous effective drugs primarily extracted from fungi have been discoverd
(Smedsgaard and Nielsen 2005) Among them many bioactive compounds have been
produced from endophytes also known as an exceptional source as its capability to
inhabitate the plants in every environmental condition (Strobel and Daisy 2003) In
current study 14 endophytic Penicillium isolates were isolated (root stem and leaves)
from wild plants (Achyranthus aspera Atriplex stocksii Euphorbia hirta Chorchorus
tridens) and cultivated plant (Solanum melongena Lycopersicon esculentum
Helianthus annuus Azadirachta indica Abelmoschus esculentus Momordica
charantia) collected from different parts of Sindh province These findings is an
agreement to the earlier reports about the existence of Penicillium as endophyte
(Korejo et al 2014) Similar as (Ravindran et al 2012) A flavus from
mangrovesreported as an endophytes also
The microbes exist inter andor intra celluler of plant called ldquoendophytesrdquo
Endophytes gives variety of advantages to the host with vast applications in agriculture
and medicine (Clay and Rudgers 2005 Alvarez-Loayza 2011) Endophytes reside
inside the plant effects on plant health and survival They give strenght against abiotic
and biotic stresses and take nourishment from the plant Almost all vascular plants
studied till date have endophytic fungi in parts of their life cycle Plant pathogens and
pests are comparatively less attacked medicinal plants therefore endophytic micro-biota
can be of boundless significance in protecting plants from pests (Kaushik 2012)
Several studies on synthesis of secondry metabolites isolated from endophytic
fungi have found Among them some compounds used to discover new therapeutic
drugs (Strobel et al 2004) About 300000 plant species presented on land having
atleast one or more of fungi From many different plants including trees like yew and
pine and fodders like sorghum clover alfalfa and vegetables like tomatoes carrot
radish sweet potatoes lettuce and soybean fruits like citrus pineapple banana
pineapple and cereal grains like wheatrice and maizeand other crops like sugarcane
129
coffee and marigold have been examined for endophytes (Rosenblueth and Romero
2006) Several plants of medicinal importance such as Actinidia macrosperma (wild
kiwifruit) Ricinus communisTectona grandis Samanea saman Garcinia Picrorhiza
kurroa Cannabis sativa Withania somnifera Rauwolfia serpentine Cedrus deodara
Abies pindrow Pinus roxburgii Nothapodytes nimmoniana Platanus orientalis
Artemisia annua Brucea javanica M sieboldii and Calotropis procera have been
studied for endophytes Species of Alternaria Colletotrichum Aspergillus Fusarium
Gliocladium Cunninghamella Phomopsis Alternaria Fusarium Chaetomium
Nigrospora Cladosporium Alternaria Fusarium Aspergillus Curvularia
Cladosporium sp Aspergillus sp Nigrospora sp Fusarium sp Trichoderma sp
Chaetomium sp Alternaria sp Paecilomyces sp and Phyllostica are frequently
isolated from many agricultural and native plant species as endophytic fungi (Rubini et
al 2005 Guo et al 2008 Veja et al 2008 Gazis and Chaverri 2010 Kurose et al
2012 Parsa et al 2016) and Penicillium (H Kim 2014 Hassan 2017 Gautam 2013
Meng 2011 Peterson 2005 Qader 2015 Devi 2014 Shoeb 2014 Yin Lu et al 2011
Sandhu et al 2014 Phongpaichit et al 2006ukanyanee et al 2006 Qadri et al
2013 Liang 2014Cai and Wang 2012 Sandhu et al 2014b Cai 2012 Qadri 2013
In current study most of the endophytic Penicillium isolated Endophytic fungi
identified according to Domsch et al (1980) Dugan (2006) Raper and Thom (1949)
Barnett and Hunter (1998) and Visagie et al (2014) Identification of the promising
isolates was done through PCR amplification
Endophytic Penicillium isolated and tested for vitro and vivo activity in current
report most of the isolates showed inhibitory potential for fungi (root rotting) Fungal
endophytes that have useful impact on plant growth as biocontrol agents because their
effect against disease by inhabiting internal tissues of plants (Yuan et al 2017
Amatuzzi 2017) Similar biological position as pathogenic microorganism Berg et al
(2005) But in difference to plant pathogens they do not cause injury to host plant and
go inside plants for taking nourishment (Kobayashi and Palumbo 2000) Various
research are existing regarding the valuable function of fungal endophytes like act as
antagonist to phytopathogens and enhance growth of several crops (Waqas et al 2015
130
Veja et al 2008 Bahar et al 2011 Mendoza and Sikora 2009) Moreover
commercial application of Aspergillus spp Penicillium spp and Chaetomium spp for
the making of bioactive compounds that reveal antimicrobial and fungicidal activities (
Wang et al 2012 Jouda et al 2014)
In crop plants fungal endophytes are slightly recognized to play a role in the
production of gibberellins and resistance to stress abiotically Abiotic stressors like
drought heat and salinity symbiotic fungi can help plants to minimize the effect of
these stresses (Rodriguez et al 2008) In coastal plants fungal strains of P
funiculosum and P janthinellum are produced resistance against salt stress (Khan et al
2011 2013) Endophytic P citrinum produced gibberellins for their plant host (Khan et
al 2008) For plant growing stages with leaf enlargement pollen growth seed
sprouting stem elongation gibberellins are essential (Achard et al 2009) and influence
the growth of plant and adjustment throughout the early stages Thus endophytic fungi
possibly support their host plant to take nutrients and also stimulate hosts
growth The Trichoderma spp as considered to a giver of resistance facilitating plant
protection (Rubini et al 2005 Verma et al 2007 Bailey et al 2009 Kurose et al
2012) In this report cell free filtrates of culture and their fractions of endophytic
Penicillium exposed significant Escherichia coli Staphylococcus aureus Salmonella
typhimurium antibacterial activity against Bacillus subtilis Staphylococcus aureus and
Pseudomonas aeruginosa by forming inhibition zone in disc diffusion method
Endophytic Penicillium are also effective against bacterial pathogens with root rotting
fungi (Manmeet and Thind 2002) assessed antagonistic activity of Bacillus subtilis
Pseudomonas aeruginosa Trichoderma harzianum and Penicillium notatum against
causative agent of the bacterial blight of rice caused by Xanthomonas oryzae pv
oryzae in vitro and results showed that B subtilis P fluorescens and T harzianum
stop the growth of pathogen Our findings are an agreement to (Korejo et al 2014)
They reported that cell free filtrates of culture of endophytic Penicillium spp revealed
antifungal and antibacterial potentail Against a humen pathogen Vibriocholerae
(MCM B-322) produced desease cholera the cell free culture of P
chrysogenum revealed significant potential (Devi et al 2012) Many fungal endophytes
are the main source to secrete bioactive compounds (Stinson et al 2003 Corrado and
131
Rodrigues 2004 Ezra et al 2004 Kim et al 2004 Liu et al 2004 Wiyakrutta et al
2004 Atmosukarto et al 2005 Chomchoen et al 2005 Li et al 2005) Among them
seven isolates such as Hypocreales sp PSU-ES26 isolated
by C serrulata Trichoderma spp PSU-ES8 and PSU-ES38 isolated by H ovalis
and Penicillium sp PSU-ES43 Fusarium sp PSU-ES73 Stephanonectriasp PSU-
ES172 and an unidentified endophyte PSU-ES190 isolated by T hemprichii revealed
strong antimicrobial potential against human pathogens (Supaphon et al 2013) There
is eager requirement to discover novel drugs because of infectious diseases and drug
resistance microbes developing day by day Endophytic Penicillium could be a new
origin of treatments for the diseases caused by pathogens
In infectious plants fungal endophytes released the biotic stress with time
duration of 3 6 and 12 day after treatment by lowering the concentration of jasmonic
acid and salicylic acid as compare to control diseased plants Moreover these findings
reported the Penicillium citrinum (LWL4) relationship had a improved helpful impact
on plants of sunflower than Aspergillus terreus LWL5(Waqas 2015) Endophyte
naturally occurring in plants provide defense to plants by different way of mechanisms
such as the secretion of toxicant for pathogens and occasionally to disrupt the cell
membrane causing cell death of the pathogen (Ganley et al 2008 Shittu et al 2009)
Researche reported the justification of the pathogenic infections through the application
of fungal endophytes in plants like F verticillioides (Lee et al 2009) non-pathogenic
mutants of Colletotrichum magna (Redman et al 1999) Xylaria sp (Arnold et al
2003) Colletotrichum specie Fusarium nectria specie and Colletotrichum
gloeosporioides Clonostachys rosea and Acremonium zeae (Poling et al 2008)
Botryosphaeria ribis and (Mejıacutea et al 2008) In current research we assumed that the
application of endophytic Penicillium in plants might protect plants from adverse
effects of the soil born root-rotting fungi The inoculation of endophytic fungi may
inhibit the development of initial infection and prevent disease in this way not only
disease severity decreased but enhanced growth of the plant and yield (Mei and Flinn
2010) Our reseach shows that during pathogenic infection and mutual associations of
the endophytes lower the incidence of disease and improved the yield and biomass of
the plants Promotion of the host plant growth and inhibition of plant pathogen
132
infection may be increase the absorbance of nutrient which causes improved biomass of
plant and growth (Muthukumarasamy et al 2002) In the current study endophytic
Penicillium limited root-rot disease and also promote the health of the plants as
compare to control plants These are the comparision of the results as described by
Serfling et al (2007) The results similar to earlier findings on the plant growth
enhancement by endophytic fungi (Hamayun et al 2010 Khan et al 2011 2012
2013)
Endophytic P cyclopium Penicillium corylophilum P funiculosum are
recognized as GA-producers (Hasan 2002 Khan et al 2011) P citrinum (Khan et al
2008) Penicillium specie (Hamayun et al 2010) Resistance against insect attack and
pathogens enhanced by GA-producing endophytes which alter defense hormones such
as JA and SA In terms of abiotic stress (drought heat stress and salinity) these
endophytes may change the level of abscisic acid and induce resistance Endophytes
may have influencial role 0n the production of biochemicals and alter antioxidant
activities which is the main cause of improving growth of the plants(Waller et al
2005 Hossain et al 2007 Khan et al 2012 Waqas et al 2012 Khan et al 2013)
Chemical fertilizer showed negative impact on plants status The wide
applications of these inorganic fertilizers also causes deterioration to the soil fertility
by losing physiochemical and biological features of soil (Altuhaish et al 2014) In
addition a harmful effect on environment the chemical fertilizers have low level of
efficacy which may reduce nutrients uptake by the plants (Adesemoye et al 2009)
Application of organic amendments is sound known for inhibition of soil-borne
infections improving crops and yield (Ehteshamul-Haque et al 1996 Ikram and Dawar
2015 Sultana et al 2011 Lazarovits 2001 Stone et al 2003) Organic amendments
showed significant effects on crop health and production not only as a result of inhibiting
inoculum of soil pathogens but improve soil quality (Bailey and Lazarovits 2003)
Organic amendments including green manure peats and composts animal manure has
been proposed to sustain and improve fertility of soil and also soil structure for
conventional biological systems of agriculture (Cavigelli and Thien 2003 Magid et al
2001 Conklin et al 2002) and reduce occurrence level of the infections due to soil
133
containg plant pathogens (Noble and Coventry 2005 Litterick et al 2004) It is exposed
that organic amendments can be active against damages produced by fungal pathogens
such as Verticillium dahliae (Lazarovits et al 1999) Rhizoctonia solani (Diab et al 2003)
Phytophthora spp (Szczech and Smolinacuteska 2001) Pythium spp (Veeken et al 2005
MCKellar and Nelson 2003)Sclerotinia spp (Lumsden et al 1983 Boulter et al 2002)
Thielaviopsis basicola (Papavizas 1968) and) Fusarium spp (Szczech 1999) In current
research use of organic amendments like neem cake cotton cake and mustered cake
alone or with combine application of Penicillium spp significantly (plt005) increase
plant growth and cause growth reduction of root rotting fungi as compared to carbendazim
Population of total fungi and bacteria increased by organic soil amendment
which inhibit pathogens growth due to loss of ability to compete with beneficial
microbes (Gilbert et aI 1968) In our study a positive influence of numerous oil cakes
such as cake of neem and mustard on growth of plant was observed which is as
simillar as the findings of the Pandey et al (2005) and Goswami et al (2006) who
reported the use of different oil cakes such as neem and mustards in soil which showed
positive effects on growth of plant
Mixtures of Penicillium with various organic amendments applied in our study
resulted increasing the effectiveness of beneficial microobes for suppressing the fungi
causing the root rots in the present study This is same as the results of (Van Gundy
1965 Oka 2010) who described the combine effect of oil cakes and Pesturia penetrans
which change the soil features might be due to affect on nematode behaviours
(hatching movement and survival) Soil amendment resulting the decrease of the
occurrence of root knot nematodes and Fusarium spp on mung bean plants
(Ehtashamul-Haq et al 1993) Decomposition process of organic amendment released
sunbtances which produced antagonists and resistance too (Lumsden et al 1983)
which promote the inhibition of pathogen T harzianum used as a biocontrol agent with
neem cake showed significant infection on the reduction of Fusarium spp and
improved the development of plants (Nand 2002) Combine application of organic
amendment and PGPR might be resulted reduction of root-rot infections and fungal
pathogens with improved soyabean production (Inam-ul-Haq et al 2012)
134
Among agricultural fertilizer such as neem (Azadirachta indica) and its
products broadly described as a potential fertilizer (Gajalakshmi and Abbasi 2004) and
fungal diseases controlled by them (Dubey et al 2009 Amadioha 2000) insect pests
(Schmutterer 1995Ascher 1993) nematodes which parasitized by plant (Akhtar and
Mahmood 1995) bacteria (Abbasi et al 2003)) Some Studies have been revealed the
surprising potentail of neem products like neem seed oil against R solani M
phaseolina F moniliforme and (Niaz et al 2008) neem seed kernel extract against
Alternaria alternate Trichothecium roseum Monilinia fructicola Penicillium
expansum and Monilinia fructicola (Wang et al 2010) neem seeds and neem leaves
extract for control of F oxysporum Sclerotinia sclerotiorum and R solani (Moslem
and El-Kholie 2009) In our study neem cake mustard cake and cotton cake separate
or within combination of endophytic Penicillium which significantly (plt005) inhibit
the root rotting fungi and increasing the growth of plant Reduction in pre and post
emergence mortality of cotton and in the occurrence of R solani M phaseolina showed
by neem cake which is commonly used as a natural pesticide(Vyas et al 1990 Jeyara-
Jan et al 1987) Multiple nutrients which are having capacity to improve soil
characteristics are found in organic materials (Orrell and Bennett 2013) They also
provide organic substances like acids that help to breakdown soil nutrients and make
them easily accessible for the plants (Husson 2013)
Use of pesticides for reduction of root rotting fungi and plant parasites is costly
approach and resulting destruction of soil environment (Sukul 2001) Use of
bantagonist is an efficient way to overcome root rotting fungi and lethal nematodes
(root knot) (Whapham et al 1994 Ehteshamul-Haque et al 1995 1996) Usually
suppression of the plant pathogens occured by the direct secretion of toxicant such as
phenolic compounds and indirectly enhancing soil microbes by the application of soil
amendments (Shaukat et al 2001Ali et al 2001) In the present report selected
isolates of endophytic Penicillium separate or mixed use with Carbendazim Feast-M
and Topsin-M not only significantly inhibited the infection of root rooting fungi and
enhanced the growth of sunflower but mixed application also produced additional
defense against pathogen penetration and promote growth Plant centered toxicant
within organic amendments revealed promising outcomes in the management of root
135
infecting fungi present in soil (Ghaffar 1995) Organis amendments give better
environment to soil by providing energy and nutrients which support microbes and
plants to grow and survive successfully (Drinkwater et al 1995) Combination of
beneficial microbes by means of various plant colonizing forms with organic
amendment may be convenient for the inhibition of diseases by using different
biocontrol mechanisms for phytopathogens Combine application of different strains of
PGPR resulted significant inhibition of cucumber pathogens consistently (Raupach and
Kloepper 1998)
For crop protection one of the most favorable alternative approach is activation
of resistance within plant among current strategies (Walters and Fountaine 2009
Anderson et al 2006 Walters et al 2005) These alternative stratigies does not kill
phytopathogen directly (Walters and Fountaine 2009) but encouragement of natural
defence system of plant which introduces systemic acquired resistance (Vallad and
Goodman 2004) In case of abiotic and biotic stress a broad series of bioactive
compounds are release by the plant in natural environment that are injurious to
pathogens and grazing animals Phenolic phytochemicals are basic constituents of fruits
and vegetable of bioactive compounds that function as a resistant against insect and
herbivores (Stevenson et al 1993) Due to their significant protective biological role
phenolic compounds are pervasive in all plants so found in all nutrients In plants
resistant reaction of phenols resulting in the separation of phytopathogens which are
categorized due to the quick and early accumulation of phenolics at the infection site
(Cheacuterif et al 1991)
Phenolic compounds are impotant bioactive metabolites can act as antioxidants
against oxidative stress which leads many benefits to plants (Urquiaga and Leighton
2000 Grassmann et al 2000) also termed as free radical- scavengers Phenolic
compounds and antioxidants have close relation (Kumar et al 2008) Phenolic and
lycopene compounds are carotenoids a big source of antioxidants present in tomatoes
richly (Pinela et al 2011 Sahlin et al 2004 Ilahy et al 2001 George 2004)
Organic tomatoes are economically important with relation to conventional tomatoes
(Kapoulas et al 2011) due to their improved quality and ecofriendly nature Phenolic
136
compounds gives better taste as compared to conventional fruits (Benbrook 2005) In
our research better quality of okra and tomato fruits are produced by endophytic
Penicillium as compared to chemical fungicides and control in both screen house and field
condition
In the present study endophytic Penicillium not affected pH of fruit juice of
okra and tomato compared to untreated plant fruits Our findings were in line with (Oke
et al 2005 Carrijo and Hochmuth 2000) who described that pH of tomato fruit juice
not changed by phosphorus use Combine use of endophytic Penicillium with
Psuedomonas montellii improved TSS (total soluble solids) and tritable Acidity of okra
fruit Total soluble solids consist of acids sugars and other constituents existing in THE
fruits of the tomato (Balibrea et al 2006) Instead of inorganic fertilizer application of
biocontrol agents significantly increased brix content in tomato (Oke et al 2005)
The improved quality of fruit Ash content due to the high utilization of the nutrients
of the soil (Mauromicale et al 2011) The variation present in total soluble solids might
be due to the variability of the gene(Riahi et al 2009) In addition of chemical fertilizer
to soil had a significant function in food safety but however made soil harder that
resulted destruction in soil quality (Lai et al 2002) and the soil mineral absorption
decreased through roots Similarly from the soil availability or absorption of mineral
nutrients due to greater moisture content that improved prescence of mineral in soil
(Van veen and Kuikman 1990)
In the present research application of endophytic Penicillium significantly
impoved the carbohydrate protein antioxidant and polyphenol contents of the tomato
and okra fruits The increment of root surface area ultimately increased water
absorption and nutrient uptake due to endophytic Penicillium increased the above
contents These findings are an agreement with Rashed (2002) who described that
antagonistic microbes improved nutrient uptake (El-Ghadban et al 2002)
The biofertilizers impact positively on okra fruits was confirmed by previous
studies described by (Adediran et al 2001 Adejumo et al 2010) The photosynthetic
activity will also be improved as a consequence of improved interception of light when
137
all nutrient is in the right proportion (Subbarao and Ravi 2001) which ultimately
improves vegetative growth and efficient transport of photosynthetic product from
source to sink
Therapeutic effects of active compounds from fungal source have been noticed
from several years and new drugs have exposed and obtained extracted from the
endophytic fungi (Teakahashi and Lucas 2008 Hormazabol et al 2005) A new
endophytic fungus Muscodor albus was isolated from cinnamon tree (Cinnamomum
zeylanicum) formed volatile compunds that executes fungi causing disases (Strobel et
al 2001 Strobel 2006) (Liu et al 2013 Raghunath et al 2012) has discoverd two
new compouds named as nigerasterols A 6 8 (14) 22-hexadehydro-5α9 α-epidioxy-
315-dihydroxy sterols and B from endophytic fungi (Aspergillus niger)
23 compounds were isolated from endophytic Penicillium regulosum mycelia
Hexane fraction of mycelium were characterized by GCMS to identify the chemical
compounds most of them are hydrocarbon fatty acid alcohol and benzene derivatives
Some compounds were characterized from our isolate such as Widdrol hydroxyether
Eicosane Oleic acid Ethyl Oleate and 2-Aminofluorescein Because of the prescence of
these chemical compounds this fungus might have a capability to act against pathogenic
bacteria and fungi and showed a promising result against both type of bacteria such as
gram-ve and gram +ve
Adametizine A produced by Penicillium sp having antibacterial activity against
Aeromonas hydrophila Vibrio harveyi Staphyloccocus aureus Vibrio parahaemolyticus
and antifungal activity against Gaeumannomyces graminis (Liu et al 2015) Arisugacin
K produced by Penicillium sp having antibacterial activity against Escherichia coli (Li et
al 2014) Cillifuranone produced by Penicillium sp having antibacterial activity against
Xanthomonas campestris and antifungal activity againsts Septoria tritici (Wiese et al
2011) Comazaphilones produced by Penicillium sp having antibacterial activity against
S aureus Pseudomonas fluorescens Bacillus subtilis (Gao et al 2011) Communol A
FndashG produced by Penicillium sp having antibacterial activity against Enterobacter
aerogenes E coli (Wang et al 2012) Conidiogenone B produced by Penicillium sp
138
having antibacterial activity against Pseudomonas fluorescens Pseudomonas aeruginosa
Staphylococcus epidermidis S aureus mr and antifungal activity against Candida
albicans (Gao et al 2011) Dictyosphaeric acid A produced by Penicillium sp having
antibacterial activity against S aureus Enterococcus faecium S aureus mr and
antifungal activity against C albicans (Bugni et al 2004) Isocyclocitrinols produced by
Penicillium sp having antibacterial activity against Enterococcus durans S epidermidis
(Amagata et al 2003) Peniciadametizines produced by Penicillium sp having antifungal
activity against Alternaria brassicae (Liu et al 2015) Penicifuran A produced by
Penicillium sp having antibacterial activity against Bacillus cereus Staphylococcus
albus (Qi et al 2013) Penicilactone produced by Penicillium sp having antibacterial
activity against S aureus mr (Trisuwan et al 2009) Penicimonoterpene produced by
Penicillium sp having antibacterial activity against E coli A hydrophila S aureus
Micrococcus luteus V parahaemolyticus and V harveyi (Zhao et al 2014) and
antifungal activity against A brassicae Aspergillus niger Fusarium graminearum (Gao
et al 2011 and Zhao JC et al 2014) Penicisteroid A which is produced by Penicillium
sp having strong antifungal activity in response to A brassicae A niger (Gao et al
2011) Penicitide A which is produced by Penicillium sp having stronge antifungal
activity in response to A brassicae A niger (Gao et al 2011) Penicyclones AndashE islated
from Penicillium sp having antibacterial activity against S aureus (Guo et al 2015)
Perinadine A which is produced by Penicillium sp having antibacterial activity against
B subtilis M luteus (Sasaki et al 2005) Pinodiketopiperazine A produced by
Penicillium sp having antibacterial activity against E coli (Wang et al 2013)
Scalusamide A produced by Penicillium sp having antibacterial activity against M luteus
and antifungal activity against Cryptococcus neoformans (Tsuda et al 2005) Terretrione
D produced by Penicillium sp having antifungal activity againsts C albicans (Shaala
LA et al 2015) and Xestodecalactone B produced by Penicillium sp having antifungal
activity againsts C albicans (Edrada et al 2002) These references supports our results
that our isolate have antimicrobial activity It also have showen a positive result on the
growth of the by enhancing the plant growth and also suppressing infection of root rot
fungi almost in all crops which are experimented
Conclusion
139
There is eager need for natural (environment friendly) chemotherapeutic and
agrochemical agents instead of synthetic toxic chemicals Natural products produced by
endophytes have been tested against infectious agents against plant pathogens One of the
single greatest challenge is control of soil-borne pathogens including parasitic nematodes
facing recent agriculture worldwide Soil-borne fungi and fungi like organisms
including Macrophomina phaseolina Fusarium species Phytophthora spp
Rhizoctonia solani and root knot nematodes commonly (Meloidogyne species) result
severe economic damages both in greenhouse and field production system In
agricultural and pharmaceteucal industry application of endophytes with their related
benefits has now been new approach in rescent years Despite the assistances related to
endophytic bacteria and fungi in plant disease management they are still largely
unexplored Genus Penicilium has been familiar for their significant secretion of
secondry metabolites among them and was also found to play important function in
plants against stress tolerance Penicilium spp secrete a variety of pharmaceutically
vital compounds with antibacterial antifungal insecticidal and nematicidal activities
In this study endophytic Penicillium isolated from healthy plants revealed
significant potential against root infecting fungi both in field condition and screen house
Although endophytes are now widely used in other different fields
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DEDICATION
Dedicated to my most respected teachers and my beloved
Parents who believe in me and brought out best in me
v
LIST OF CONTENTS Page No
1 INTRODUCTION
11 Endophytic fungi
12 Endophytic Penicillium
13 Role of endophytic Penicillium in plant growth
14 Role of endophytic Penicillium as resistance inducers in plant against
biotic and abiotic stresses
15 Soil-borne diseases
16 Soil-borne root rotting fungi and nematode
17 Biological control
2 MATERIALS AND METHODS
21 Collection of sample for the isolation of endophytic Penicillium spp
from different host
22 Isolation and identification of endophytic Penicillium
23 Isolation of the root infecting fungi from soil
231 Soil dilution technique for the isolation of Fusarium spp
232 Baiting technique for the isolation of Rhizoctonia solani
233 Wet sieving and dilution technique for the isolation of
Macrophomina phaseolina
24 In vitro dual culture plate assay for determining the antifungal activity
of Penicillium species
25 Preparation of root knot nematode inoculum
26 Hatching of nematodes
27 Preparation of culture filtrates
28 In vitro antifungal activity of culture filtrates of Penicillium species
29 In vitro antibacterial activity of culture fitrates of Penicillium species
210 In vitro nematicidal activity of culture filtrates of Penicillium species
211 Fractionation of culture filtrates
212 Extraction and fractionation of mycelium of endophytic Penicillium
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213 Spectroscopy of oily fractions eluted from mycelium
212 In vitro antimicrobial activity of fractions of culture filtrates
213 Population of antagonists Colony forming unit (cfu) per ml in
suspension
214 Growth parameter
2141 Physical parameter
2142 Infection percentage of root rot fungi on roots
215 Biochemical parameter
2151 Estimation of polyphenols
2152 Estimation of antioxidant activity
216 Fruit analysis
2161 pH
2162 Moisture content
2163 Tritable acidity (TA)
2164 Total soluble solid (TSS)
2165 Firmness
2166 Total solids
2167 Protein
2168 Carbohydrate
2169 Total polyphenol and antioxidant activity
217 Experimental design
218 Analysis of data
3 EXPERIMENTAL RESULTS
31 Isolation of endophytic Penicillium
32 In vitro fungicidal activity of endophytic Penicillium
33 In vitro fungicidal activity of cell free culture filtrates of endophytic
Penicillium
34 In vitro antibacterial activity of cell free culture filtrates of endophytic
Penicillium
35 In vitro nematicidal activity of cell free culture filtrates of endophytic
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Penicillium spp
36 In-vitro antimicrobial activity of fractions of culture filtrates
361 In-vitro antifungal activity of n-hexane soluble fractions of
culture filtrates
362 In-vitro antibacterial activity of n-hexane soluble fractions of
culture filtrates
363 In-vitro antifungal activity of chloroform soluble fractions of
culture filtrates
364 In-vitro antibacterial activity of chloroform soluble fractions of
culture filtrates
365 Compounds from n-hexane fraction of mycelium of Penicillium
rugulosum
37 Screen house experiments
371 Effect of endophytic Penicillium in soil amended with neem cake
in suppressing the root diseases and growth of sunflower (2016)
372 Effect of endophytic Penicillium in soil amended with neem cake
in suppressing the root diseases and growth of Sunflower (2017)
373 Effect of endophytic Penicillium in soil amended with neem cake
in suppressing the root diseases and growth of mung bean
374 Effect of Endophytic Penicillium and Cotton cake in suppressing
the root diseases and growth of Mung Bean
375 Effect of Endophytic Penicillium in suppressing the root diseases
and growth of Mung Bean
376 Effect of endophytic Penicillium in soil amended with neem cake
in suppressing the root diseases and growth of tomato
377 Effect of endophytic Penicillium in soil amended with cotton
cake in suppressing the root diseases and growth of tomato
378 Effect of endophytic Penicillium in soil amended with neem cake
in suppressing the root diseases and growth of chickpea
379 Effect of endophytic Penicillium insoil amended with mustard
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cake in suppressing the root diseases and growth of chickpea
3710 Effect of endophytic Penicillium and fungicides in suppressing
the root diseases and growth of sunflower
3711 Effect of endophytic Penicillium as soil drench on growth of
okra plants
3712 Effect of endophytic Penicillium as soil drench on growth of
tomato plants
38 Field Experiments
381 Effect of Pseudomonas monteilii and endophytic Penicillium as
soil drench on growth of okra plants in soil under field condition
382 Effect of Pseudomonas monteilii and endophytic Penicillium as
soil drench on growth of tomato plants in soil under field condition
4 DISCUSSION
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EVALUATION OF BIOCONTROL POTENTAIL OF ENDOPHYTIC SPECIES OF
PENICILLIUM AGAINST ROOT ROTTING FUNGI AND ROOT KNOT
NEMATODE
SUMMARY
Endophytes are either bacteria or fungi that reside in the tissues of the plant without causing
any apparent symptoms Some endophytic microorganism may promote growth of plants
help in uptake of nutrients and increase the ability to bear environmental stresses like
salinity drought and reduce biotic stresses During our study plants were collected from
different localities in Karachi Pakistan like Memon Goth Kathor Gadap Gharo Malir and
University of Karachi campus from which endophytic Penicillium were isolated Out of the
eighty samples of the plant 14 isolates of endophytic Penicillium isolated (root stem and
leaves) from wild plants (Achyranthus aspera Atriplex stocksii Euphorbia hirta
Chorchorus tridens) and cultivated plant (Solanum melongena Lycopersicon esculentum
Helianthus annuus Azadirachta indica Abelmoschus esculentus Momordica charantia)
Species of Penicillium identified as P asperum P lilacinum P purpurogenum P
nigricans P rugulosum P restrictum P duclauxi P citrinum P thomii P lividum and P
javanicum Identification of selected isolates of Penicillium was also confirmed by using
molecular biology tools
Antimicrobial activity of 14 endophytic isolates of different species of Penicillium
tested against common fungi (root rotting) viz F oxysporum Fusarium solani
Macrophomina phaseolina and Rhizoctonia solani by dual culture plate assay All EP
isolates showed significant result produced by the inhibition zone Nematicidal potential of
cell free culture filtrates of endophytic Penicillium also has shown significant results After
24 hour 50nematicidal potential showed by Ppurpurogenum (EP-3) while after 48 hours
all other isolates showed 100 mortality
Culture filterates of endophytic Penicillium caused growth suppression of bacteria
Salmonella typhimurium Bacillus subtilis Escherichia coli and Staphylococcus aureus As
concentration increased biocontrol potential of culture filterates of EP increased as well
These outcomes show that endophytic Penicillium could be fullfil the need of discovering of
x
new antibiotics Culture filtrates of Penicillium also showed activity of fungicidal against
root rotting fungal pathogens Fsolani Rsolani Mphaseolina Rsolani and Foxysporum
by making inhibitory zone Cuture filterates of 60 microldisc showed more effective results than
20 or 40 microldisc Fractionation of cell free culture filtrates of viable isolates of our
Penicillium (EP) was made in solvents ie chloroform and n-hexane and showed strong
antibacterial and antifungal activity against above described pathogens These results
showed that secondry metabolites having compounds with strong antimicrobial potential
Secondary metabolites producing from endophytic Penicillium spp offer an stimulating
area of investigation for the encounter of novel antimicrobial compounds Hexane fraction
of mycelium of promising isolate EP-5 showed prescence of chemicals
In current research antagonistic potential of Penicillium was assessed against
phytopathogens on sunflower (Helianthus annuus) chickpea (Cicer arietinum) tomato
(Lycopersicon escolentum) mungbean (Vigna radiata) and okra (Abelmoschus esculentus)
in field and screen house experiments Inhibitory affects on Foxysporum Rsolani Fsolani
and Mphaseolina showed by many endophytic Penicillium which causes healthy plant
growth by improving plant length fresh shoot weights in both type of experiments (Screen
house and field) In some experiment polyphenol and antioxidant activity also showed
significant result which might be due to resistance produced by endophytes Endophytic
Penicillium treated plants produced fruits which is better in quality as compared to control
Endophytic Penicillium associated with healthy plants is a source of new bioactive
metabolites which could be exploited in plant protection and also in medicine
xi
xii
1
1 INTRODUCTION
11 Endophytic fungi
Agricultural production passes through heavy loss due to different abiotic and
biotic stresses Most of the economic areas of the world is agriculture it is the most
eager need of the decade to discover and to create the best approach for sustainable
agriculture and development in crop growth (Rai et al 2014) Endophytes are
microorganisms that live inside the plant tissues for atleast in their life cycle that produce
no visuallized symptoms to the host (Bacon and White 2000) Inside the living host plant
tissues an expensive symptomless plant-microbe association build this phenomena called as
Endophytism(Kusari and Spitteler 2012b) During this complex relationship both partners
can be represented as extremely keen mutualism individual benefits depend on both of them
But their relation might be shift toward parasitism or saprophytism or concerning further
dedicated collaboration with time (Millet et al 2010 Zuccaro et al 2011) Recent studies
proposed endophyte-host plant relations are inconstant and showe a relationship between
mutualistic to antagonistic (Saikkonen et al 1998) Mutual relationship between
photosynthetic organisms and fungi earliest and universal (Berbee 2001 Alexopoulos et
al 1996) Evidence showed the presence of microorganism inside the plant tissues from
the the time of the emergence of higher plant on the earth (Redecker et al 2000) Since
the end of 19th century the inoculum of fungi in symptomless plant has recognized
Guerin (1898) Azevedo (1998) and Endophyte word was first suggested in 1866 de
Bary (1866) Endophytes initially defined in Darnel (Lolium temulentum) Freeman
(1904) they isolated it from wide range of plants from arctic to tropics and from
cultivated to wild ecosystems (Arnold 2007) and so far atleast one endophyte have been
found in all living plants species (Dutta et al 2014)
There have been numerous revisions on the relationship of endophyte and plant
particularly for grasses for instance tall fescue where it has been revealed that
endophytic fungus Neotyphodium coenophialum produce toxins that act as defensive
agent against their predators including insects and other grazing animals (Bultman and
Murphy 2000 Bacon et al 1977) it was found that this fungus could be beneficial for
2
enhancing their host tolerance against stresses of abiotic and biotic (Schardl et al 2004
Saikkonen et al1998) In between other symbiotic associations fungal endophytes are
most commonly competitive (Staniek et al 2008) Fungal endophytes are a very varied
polyphyletic group of microorganism that lives inside host stem leaves and also in roots
Endophytes fungi are present above ground parts of plant which make different from
mycorrhizal fungi but also present in roots Fungi related to rhizosphere and roots of the
plants and had positive effect on the growth of plant and recognized as PGPF (Plant
growth promoting fungi) The significant of PGPF belongs the genus Gliocladium and
Trichoderma (Altomare et al 1999) have proficient of inhabiting the plant roots (Gera Hol
and Cook 2005) Endophytes are considered as avirulent opportunistic plant symbionts
and develop systemic resistance in plants just like rhizobacteria (Harman et al 2004)
Similarly endophytic Acremonium lolii and A coenophialum exposed antibiotic formation
against a variety of fungal plant pathogens in culture (White and Cole 1985) Fungus
Muscodor produced volatile compounds which is mostly used as a fumigants in soil (Ezra et
al 2004 Mercier and Manker 2005) In our previous report endophytic Penicillium spp
isolated from Salvadora species showed noteworthy antimicrobial activity (Korejo et al
2014)
Against numerous diseases many endophytes have capability to produce different
secondry metabolites that have therapeutic effect (Kharwar et al 2011 Kusari and
spiteller 2012b)
12 Endophytic Penicillium
In recent search for agricultural and pharmaceutical industries to develop a
effective products Natural products have been recognized as a therapuetic agents and play
a important role in nature So the search is carried out for the production of novel
bioactive metabolites from organisms that reside novel biotopes Endophytic fungi
populate such a biotope (Schulz et al 2002) The genus Penicillium is a group of more
than 200 species inhabiting fibre fruits food items soil marine and various species of
plants (Korejo et al 2014 Gong et al 2012) In same way species of Penicillium
deliberated as soil inhabitant and present as a toxicant on foods materials like fibers
starchy materials and fruits but species of Penicillium have been reported in the form of
3
endophytes and play significant role in plants towards tolerance of stress(Khan and Lee
2013 Waller et al 2005) Fungal endophytes is used as a ironic source of secondry
metabolites for agricultural and medicinal practices (Schulz et al 2002) and lot of exposed
(Huang et al 2008)
Endophytic Penicillium species are the producers of diverse variety of secondary
metabolites (Zhang et al 2006 Schulz and Boyle 2005) ie various penicillins PR-
toxin polyketides xanthoviridicatins E and F chrysogine Chrysogenamide A
sorrentanone xanthocillins secalonic acids sorbicillactones A B sorbivinetone
Ochratoxin A (Hoog et al 2000 Singh et al 2003 Gerhard et al 2005 Vega et al
2006 Lin et al 2008) Penicillium species are known to have antifungal algicidal and
antibiotic activities (Meng et al 2011)
13 Role of endophytic Penicillium in growth of plant
Though current studies have revealed that growth enhancement of plant might be
the reason of the production growth promoting secondary metabolites (gibberellins auxin
cytokinin) from plants due to the prescene of endophytic fungi in the rhizospheric region
(Hamayun et al 2010a) Endophyte and plant relationship have the mojor influence on
plant growth promotion (Hassan et al 2013) though endophytic fungi may be responsible
to enhance the growth of the plant in order to secrete different chemical compounds like
ammonia indole acetic acid (IAA) and phytohormone and (Bal et al 2013) Usually
indole acetic acid acts as growth promoter plants by enhancing cell division and cell
elongation and is necessary for differentiation of tissues of plant (Taghavi et al 2009)
Soil microorganisms have a potential to synthesis a wide range of indole acetic acid that
play a role in plant development (Spaepen and Vanderleyden 2011) on other hand
endophytic fungi isolated from different parts of plants which indicated high amount of
indole acetic acid as compared to those isolates isolated from root-free soil (Spaepen et al
2007) The important role of indole acetic acid in growth of the plant in addition to the
potentail of fungal endophytes to secretes indole acetic acid has increased attention due to
their effectiveness on the concentration and supply of indole acetic acid in tissues of the
plants
4
Endophytic fungi have been considered as producers of phytohormones which act
as strong plant growth enhancer These outcomes proposed that endophytic fungi obtained
in the study produced bioactive metabolites which play magnificent roles in stimulating
growth of the plants (Khan et al 2015) Endophytic Penicillium species produced wide
range of Indole acetic acid and gibberellins thus increases plant growth Gong et al
(2014) reported the effect of Penicillium oxalicum on enhancement of growth of maize
plants where they observed that P oxalicum stimulate the growth of maize plants due to its
phosphate-solubilizing ability
14 Role of endophytic Penicillium as resistance inducers in plant stress
Systemic induced resistance have played a vital role in the survival of the plants to
protect themselves in response to pathogenic organisms (Lim et al 2006) It seems in
almost all plants in response pathogenic attack treated with different organic amendments
and chemicals Phytohormones are present extensively in plant parts Plants secrete an
enormous range of chemicals that are toxic to their predators Phenolic compouds are
bioactive chemicals which are common elements of fruits and vegetables act as defensive
agent against insect and grazing animal (Stevenson et al 1993) In the plants growth
phytochemical compounds which have low molecular weight such as phenolic show a
dynamic part and its production and secretion may be due to both biotic and abiotic factors
(Joachim et al 2007) Phytochemicals protect plants towards abiotic and biotic stresses
and therefore are produced against pathogens attack which are exposed to high energy
radicals like the exposure of UV radiation (Briskin 2000) Due to the significant defensive
roles phenolic phytochemicals have pervasive in most of the plants and find specific place
in most of the groups of foods Cherif et al (1991) reported that phenolic compound play
role in resistance of the plants which are accomplished by the rapid accumulation of at the
infection site resulting in the prevention of the pathogen The function of phenolic
compounds in inhibition of the pathogenic infection which act as a barriers to a
pathogens and develop resistance broadly Imporatant groups of compounds termed as
scavengers of oxygen free radical or antioxidants used to resist the phytopathogen and
protection of the oxidative stress of environment (Conceica et al 2006 Wanas 2006)
Numerous studies demonstrate that soil-borne fungal diseases controlled by antioxidants
5
(Dmitriev 2003) with increasing the phytophenolic compounds which increasing plant
growth development and defense against disease Antioxidants used successfully to
control most of the diseases in plant like Fusarium wilt of chickpea plants(Nighat- Sarwar
et al 2005) in tomato (Mohamed et al 2007) pod rot and peanut root (Elwakil 2003
Mahmoud et al 2006) in pepper damping- off (Rajkumar 2008) faba bean of chocolate
spot (Hassan et al 2006) and in the lupine leaf blight and root rot (Abdel-Monaim 2008)
Antioxidants eg salicylic benzoic acids ascorbic propylgalate in cumin in the form of
seed soaking or in other way such as soil drenching showed protection of diseases
occurred by f spcumini and Fusarium oxysporum (Mostasa 2006) The mechanism of
antioxidants was described in many host-pathogen relations such as a wide range of
enzymes like polyphenol oxidase ascorbate oxidase peroxidase and catalase identified
againsts pathogen infection (Clark et al 2002) or outcomes of most of the treatments with
different antioxidants activity ( El-Khallal 2007 and Abdel-Monaim 2008)
In organic agriculture biocontrol agents have different mode of actions including
production of metabolites against pathogens mycoparasitism competing their place and
their nutrients uptake growth promotion of plants and stimulation of defense mechanim in
most of the plants (Chet et al 1997 Howell 2003) This original biological approach
encourages natural resistances of the plants which leads towards systemic resistance
(Vallad and Goodman 2004) instead of apply effects on the most of the plant pathogens
(Walters and Fountaine 2009) Metabolites produced by biocontrol agents against
pathogenic fungus are main factor to discovering them Many researchers are discovering
bioactive chemicals synthesize by microorganism that control most of the diseases of the
plants (Dowling and OrsquoGara 1994) Induction of systemic resistance through biocontrol
agents changed the certain biochemicals of plant which can consider as resistance markers
(Schonbeck et al 1981) including enzymes accumulation like peroxidase (He et al
2002) It was shown that due to systemic acquired resistance in tomato activation of the
defensive mechanism occurs by the insects (Murugan and Dhandapani 2007) viruses
most of the nematodes bacteria and endophytic fungus (Anfoka and Buchenauer 1997
Laporte et al 2007 Molinari 2008 Vasyukova et al 2007Mandal et al 2009 Hase et
al 2008 Park et al 2008) In the same way Shafique et al (2016) studied that combine
use of the oil cake and P lilacinus and PGPR enhance growth of plant that also suppress
6
the infection of root rotting fungi by improving antioxidant activity and polyphenols
contents of the okra plant
Endophytic microorganisms produce secondary metabolites which are crucially
important as parasiticide insect antifeedent and pathogen inhibitors (Meng et al 2011)
Other benefits for host plant include increased resistance to heavy metals salinity and heat
stress improved drought tolerence protected from grazing animals introduced systemic
resistance to pathogens and promoted growth (Redman et al 2001 Clay and Schardl
2002 Marquez et al 2007 Tejasawi et al 2007) Hence Endophytic fungi increase the
ecological survival of plants by increasing resistance towards abiotic and biotic stress
factors (Schulz and Boyle 2005 Gonthier et al 2006) Hossain et al (2014) reported the
part of Penicillium sp in developing systematic resistance to cucumber infection of leaf
caused by anthracnose phytopathogen Colletotricum orbiculare in the cucumber
Similarly Khan et al (2015) studied the effect of P janthenalum in producing tolerance
against aluminum stress in tomato plants Penicillium endophytes are also help plants to
tolerate stress of salinity by regulating plants hormones (Khan et al 2013 Khan et al
2015) Penicillium strains are safe to environment as they reduces the level of salinity and
increase growth of the plants (Leitao and Enguita 2016)
Furthermost fungal endophyte facilitates induction of systemic acquired resistance
in most of the plants (Bailey et al 2006 Nassimi and Taheri 2017) and play a vital role in
safety and control of infection of plants Endophytic fungi play a chief part in growth
promotion of plant higher production of seed and resist plants against several abiotic
biotic stresses and infections Most of them are produce compounds against pathogenic
microbes phytohormones and different bioactive agrochemicals Eco-friendly and
economically active agricultural products are developed by many potential endophytes
(Rai et al 2014) Penicillum chrysogenum produces hypocrellins B and C which have
strong antifungal activity (Meng et al 2011)
15 Soil-borne diseases
Diseases which are caused by organisms persists in soil and debris on soil surface
are known as soil borne diseases and the organisms which causes such diseases are soil-
7
borne pathogens Soil-borne pathogenic fungi reside for several years in soil in the form of
various dormant structures viz chlamydospores melanized hyphae sclerotia and oospores
and are major cause of lowering yield and quality of plant products (Baysal-Gurel et al
2012 Koike et al 2003) Whereas nematodes survive in soil as free organisms cysts or
eggs (Koike et al 2003) Soil borne pathogens infect belowground along with foliar
tissues of plants The well-known diseases produced by soil-borne fungi are the rots which
effect underground tissues of plants and vascular wilts While some soil-borne pathogens
effect the above ground tissues of plants (Koike et al 2003) Soil-borne diseases are more
harmful under poor soil conditions ie inappropriate drainage system low range of
organic matter low level of fertility poor soil structure and high compaction level of the
soil (Abawi and Widmer 2000)
16 Soil-borne root rotting fungi and nematode
Among the plant disease causing organisms nematodes which parasitized plant
resulted loss upto 100 billion US$ to the agriculture world annualy and approximately 500
million US$ is wasted on control of nematode (Saifullah et al 2007) Whereas the
infection of root rot caused by Rhizoctonia solani Macrophomina phaseolina Fusarium
species Pythium species and Phytophthora species are most common in the crop plants
producing billions $ losses every year
Infections produced by soil borne pathogens includes damping off root rots and
wilts by Fusarium Phythium and Rhizoctonia Phytophthora verticillium and nematodes
species Fusarium oxysporum and its more than 70 species are known to cause root wilt
and root rot diseases in variety of plants species including tomato plants (Kistler 1997)
Species of Cephaliophora Bipolaris Cephalosporium Corynascus Curvularia
Exerohilum Botryodiplodia Fusarium Melanospora Nigrospora Rhizoctonia
MacrophominaSclerotium and Stemphylium are also potent plant pathogens in Pakistan
(Shahzad and Ghaffar 1995) Root knot nematodes are the members of genus Meloidogyne
(Sharon et al 2001 Taylor and Sasser 1978) Globally 26 of crop losses are resulted by
pathogens (Khan et al 2009) Nematodes alone cause 5 of worlds crop losses (Sasser
and Carter 1975) Soil-borne root infecting fungi and nematodes not only produce diseases
8
in plants but also decrease the biomass of plants and severely decrease the yield of crops
and sometimes even death of plant may occur
Nematodes (Meloidogyne spp) parasitized inside specialized type of feeding cells
into the plant tissues directly and remained inside the plant tissueon the otherhand
parasitic type of fungi also penetrate into the tissues of host and absorbs the nutrients Soil
and rhizosphere microorganisms are difficult to control because of tissues around them So
these endo-parasitic nematode and fungi may be able to control by endophytic
microorganisms colonizing around plant root tissue because they occupies same space and
are come in contact with each other (Hallman et al 1997) Hallman and Sikora (1994
1996) demonstrated that endophytic Fusarium oxysporum isolated from tomato roots had
determental effect on Meloidogyne incognita Colonization of tomato roots by the
endophyte resulted in 60 reduction of Mincognita infestation
Charcoal rot disease produced by Macrophomina phaseolina which is soil
inhabiting fungus having diverse type of distribution and have hazardous to the
production of the crops in most of the arid areas over 500 plant species (Ijaz et al 2012)
17 Biological control
Biological control is the management of components of ecosystem in order to
protect plants against pathogens It ensures the preservation of environment by no use of
chemicals (Barea and Jaffries 1995) Most of the fungi used as a biocontrol agents and
have long been studied and various reports are available Such as Perveen et al (1994)
reported the effectiveness of Fusarium oxysporum in order to reduce the infection of the
Macrophomina phaseolina Fusarium solani and Rhizoctonia solani Trichoderma species
have been known for so long as biological control agent of soilborne pathogens and also
act as a symbionts of the plants (Harman and Shoresh 2007) Further they suggest that F
oxysporium is a potential biocontrol agent against these pathogens in tomato and okra
Later Siddiqui and Shaukat (2003) tested Pochonia chlamydospora against Fusarium sp
Rsolani and M phaseolina and found it effective against these pathogens Siddiqui et al
(2000) and Waqas et al (2012) investigated the effects of Penicillium and Phoma
glomerata species on the cucumber in drought and saline stress and reported that these
9
endophytic fungal species increases biomass and growth of economically important crops
Major application in agriculture pharmaceutical and commercial utilization of these
endophytic fungi
The current research focused on the isolation and identification of the endophytic
Penicillium species which is associated with plants which are healthy plants and
evaluation of their antagonistic potential against root rotting fungi using sunflower
munbean tomato chickpean and okra as test crops The report also describes the extraction
and characterization of some new compounds from mycelium of Pregulosum
10
2 MATERIALS AND METHODS
21 Collection of plants for isolation of the endophytic Penicillium spp
Survey of various agricultural fields of Kaarchi and its suburb like Karachi
University campus Memon Goth Kathor Gadap Gharo and Malir were carried out
Healthy wild and cultivated plants alongwith roots were selected collected and were
transported to laboratory and preserved at (4oC) untill Penicillium were isolatedround
about (24) hours
22 Isolation and identification of endophytic Penicillium
1 g of th sample of the plant either stem root or leaves was separately cleaned
sanitized in 1 bleech for (3) min then with (70) alcohol for (3) min and then washed
with the help of distilled H2o Each sample was chopped in sterilized grinder with 50mL
sterilized water and dilutions of each sample were made upto 1104 and further proceed as
described by Korejo et al (2014) and fungal growth fungi were identified with reference
to Barnett and Hunter (1998) Domsch et al (1980) Dugan (2006) Raper and Thom
(1949) and Visagie et al (2014)
221 Molecular strain typing of promising isolates
The selected endophytic Penicillium isolates P rugulosum (EPAAR5) P
decumbens (EPAIR6) P nigricans (EPSLR4) P asperum (EPHAL10) and P
purpurogenum (EPEHS7) initially identified by morphological characters were further
subjected to molecular identification and strain typing bythe PCR (polymerase chain
reaction) based on molecular techniques recently described (Habiba et al 2018)
Briefly five days old strains grown (1 mL) in broth of YPD at 26degC and cells were
harvested by centrifugation (Hanil Korea) for (14000 rpm) for (10 min) at room
temperature Genomic DNA extraction kit (Norgen biotek Canada) was used for fungi as
per vender instruction while quality and purity of the genomic DNA established in
nanodrop (Nano-Drop 200 Thermo Scientific USA) In case of molecular identification t
rDNA-ITS4 ITS1-58S regions amplified with the help of the primers ITS1 (5acute-
11
TCCGTAGGTGAACCTG CGG-3acute) and ITS4 (5acute-TCCTCCGCTTATTGATATGC-3acute) as
initially described Karimi et al (2015) Reactions of the PCR were performed consisting of
genomic DNA (150 ng) primer set (16 μM each) Dream Taq Master Mix (2x Thermo
Scientific USA) and nuclease free water to a final volume of 20 μL Thermal cycling
carried out in a Master cycler (ProS Eppendorf Germany) with an initial denaturation step
(4 min at 94 ordmC) followed by 40 cycles of denaturation (45 s at 94 ordmC) annealing (45 s at 55
ordmC) and extension (1 min at 72 ordmC) and a final extension at 72 ordmC for 7 min
For genetic variation between the strains Random Amplified Polymorphic DNA
(RAPD) PCR was performed with specific oligonucleotide primer M13 (5acute-GAGGGTGG
CGGTTCT-3acute) as described by Zahid et al (2017) Briefly PCR were performed in a total
volume of 20 microL comprising of genomic DNA (25 microL) primer M13 (16 microM) 2x Dream
Taq PCR mix (10 microL) with additional 1 mM MgCl2 and 10 DMSO (Sigma-Aldrich
USA) Thermal cycling was carried out in a Master cycler (ProS Eppendorf Germany) with
an initial denaturation step (5 min at 95 ordmC) followed by 35 cycles of denaturation (30 s at
90 ordmC) annealing (1min at 40 ordmC) and extension (8 min at 65 ordmC) and a final extension at 68
ordmC for 16 min
PCR products (~10 microL) were subjected to 2 agarose gel electrophoresis
containing ethidium bromide (05 μgmL) 1kb DNA ladder (Fermentas USA) was used to
calibrate the sizes
23 Isolation of the soil borne fungi
231 Soil dilution technique for the iolation of Fusarium species
Fusarium were isolated by soil dilution technique (Nash and Snyder 1962) as
described by (Urooj et al 2018) and identified by Nelson et al (1983) and Booth (1971)
12
232 Baiting technique for the isolation of (Rhizoctonia solani)
Rhizoctonia solani were isolated through baiting technique and identified
(Wilhelm 1955) as described in previous report (Urooj et al 2018)
233 Dilution and wet sieving technique for the isolation of (Macrophomina
phaseolina)
Macrophomina phaseolina were isolated by using techniques (wet sieving and
dilution plating)Sheikh and Ghaffar (1975)
24 In vitro determination of antifungal activity of Penicillium species by dual
culture plate assay
For determination of fungicidal potential of Penicillium spp four common fungi
(root rotting) viz Rhizoctonia solani F oxysporum Macrophomina phaseolina and
Fusarium solani were chosen A disc of the 5 mm of the test and fungi (root rotting) was
inoculated on the opposite side of the Petri dish of 90 mm which was poured with CDA
(Czapeks Dox Agar) pH (72) and incubated (28degC) for (5 days) Inhibition zone was
measured in mm (Korejo et al 2014) Experiment were repeated thrice and replicated four
times
25 Inoculation of the nematode (root knot)
Pure culture of the root knot nematode (Meloidogyne javanica) obtained through
egg masses attached on infected brinjal root Roots were washed under tap water was used
to washed te roots thoroughly stereomicroscope was used to collect egg masses and
transferd in cavity blocks having distilled water and left for the hatching (at room
temperature) after 48 hours juveniles were hatched and proceed for the experiment
27 Preparation of culture filtrates
Culture filtrates of test Penicillium spp were obtained by growing 5 mm disc of
culture in 100 ml of CDB (Czapekrsquos Dox broth) in (250 ml) flask After (15 days) of the
13
incubation (25-30degC) culture filtrate were collected by filteration and 1-2 drop of
chloroform were added to prevent further growth of any contaminant
28 Determination of antifungal activity of culture filtrates of Penicillium species
in vitro
Culture filtrate were loaded at concentration of 20 40 and 60 microl on thick sterile
filter paper discs and dried and placed in clock wise manner according to concentration in
the plates containing Czapekrsquos Dox Agar Disc of test fungus were inoculated in centre of
plates CDB (Czapekrsquos Dox broth) used as a control and 20 microgdisc carbendazim used as a
positive controlAt 30degC Petri dishes left for (5-7 days) and between test fungus and disc
distance was measured as a inhibition zone Qureshi (2003)
29 In vitro antibacterial activity of culture fitrates of Penicillium species
To examine the activity of secondary metabolites of Penicillium spp against
bacteria lawn of test bacterium was prepared in 90mm petri dishes containing Nutrient
Agar medium Culture filtrate of each Penicillium sp at 20 40 and 60 microldisc were loaded
on thick sterile filter paper discs and dried and placed in clock wise manner according to
concentration in the plates having bacterial lawn with nutrient Agar A disc of 5 mm of test
fungus was inoculated in the centre of the plate Discs loaded with sterile broth of
Czapekrsquos Dox served as control whereas penicillin 20microgdisc used as positive control for
the gram positive bacteria and streptomycin 20microgdisc used as a positive control for gram
negative bacteria Petri dishes were kept at 30degC for (2-3 days) The inhibition zone were
measured in mm
14
210 In vitro nematicidal activity of culture filtrate of Penicillium species
To examine the nematicidal potential of the culture filtrate 1 ml of culture filtrate
was filled in a cavity blocks containing 15 picked second stage nematode (Meloidogyne
javanica) larvae As a +ve control distilled H2O water was used 2ml The cavity blocks
were kept at room temperature 25-30C and nematode mortality was recorded after 24-48
hours under stereomicroscope
211 Fractionation of culture filtrates
Culture filtrate was extracted three times with n-hexane and chloroform by shaking
vigorously in a separating funnel The extraction volume of each solvent is approximately
half to that of the filtrate Each solvent layer was allowed to separate out and run off from
the aqueous layer The n-hexane and chloroform fractions were collected pooled
concentrated on a rotary evaporator (Eyela-NE) separately and weighed
28 Determination of antifungal activity of frcations of culture filtrates of
Penicillium species in vitro
Each fraction was re-dissolved in their respective solavent and loaded at
concentration of 20 40 and 60 microl on thick sterile filter paper discs and dried and placed in
clock wise manner according to concentration in the plates containing Czapekrsquos Dox Agar
(CDA) Disc of test fungus were inoculated in centre of plates Czapekrsquos Dox broth (CDB)
used as control and carbendazim at 20 microgdisc used as positive control Petri dishes were
left for 5-7 days at 30degC and distance between test fungus and disc was measured as
inhibition zone (Qureshi 2003)
29 In vitro antibacterial activity of the frcations of culture fitrates of the
Penicillium species
In order to examine the prescence of secondary metabolites of the species of
Penicillium against bacteria lawn of test bacterium was prepared in 90mm petri dishes
containing Nutrient Agar medium Filtrates of cell free culture of the species of Penicillium
species at 20 40 and 60 microldisc were loaded on thick sterile filter paper discs and dried
15
and placed in clock wise manner according to concentration in the plates having bacterial
lawn with nutrient Agar 5 mm disc of test fungus was inoculated in centre of plate Discs
loaded with sterile broth of Czapekrsquos Dox (CDB) used as control whereas penicillin
20microgdisc used as positive control for gram positive bacteria and streptomycin 20microgdisc
served as positive control for gram negative bacteria Petri dishes were kept at (30degC) for
(2-3) days The inhibition zone were measured in mm
212 Extraction and compounds from mycelium of endophytic Penicillium
10 gm mycelium was thoroughly washed with n-hexane solvent to remove excess
water and extraction with (200 mL) n-hexane by Soxhlet extractor for (8 h) The fractions
were evaporated at 40degC through a rotary vacuum evaporator
213 Spectroscopy of oily fractions extrcated from mycelium of Penicillium
regulosum
The oily mass extracted from mycelium and culture filtrate of endophytic fungi
were subjected to GC-MS in order to isolate volatile compound GCMS (Gas
chromatographymass spectrometer) analyzed on High Resolution Mass spectrometer Jeol
HX-110 (Japan) eqquiped with data system DA-5500 with gas chromatograph Hewlett
packard (5890)
213 Determination of colony forming unit (cfu) per ml of suspension
Colony forming unit (cfu) per ml of Penicillium suspension were determined by
dilution plate method Fungi grown on the petri plates added then multiplied by the factor
of the dilutions donated by (cfuml) of the fungi
Cfu ml = Number of colonies of bacteria on plate X Dilution factor
16
214 Growth parameters
2141 Physical growth parameter
On harvesting the experiment physical parameters of the plants which was height
weight of the shoot length and weight of the roots number and weight of fruits were
measured
2142 Percent Infection of fungi (root rot) on roots
To determe of the infection of the root rot fungi method reported by Rahman et al
(2016) was used
215 Biochemical parameters
2151 Estimation of polyphenols
Dried sample of the leaves crushed in ethanol of 96 vv At 3000rpm for 20min
mixture of the sample centrifuged Supernatants used to anlayse antioxidant Salicylic and
polyphenol activity
Folin-Ciocalteu phenol reagent used for total poly phenol content described
(Chandini et al 2008)
2152 Estimation of antioxidant activity
Free radical scavenging assay was determined by DPPH (2 2-Di-phenyl-1-
picrylhydrazyl) used for Antioxidant activity (Zubia et al 2007 Duan et al 2006)
2153 Quantification of salicylic acid (SA)
Salicylic quantification was done by using 01 percent prepared Fecl3 (Ferric Chloride)
described by Warrier et al (2013)
216 analysis of Fruits
17
2161 pH (Power of Hydrogen)
To determine the pH fresh sample of five gram fruit in (10ml) of distilled water
were centrifuged for (20 min) in (3000) rpm Supernatent collected to analyse biochemical
activitySample pH measured as described (AOAC 1990)
2162 Moisture content
To analyse moisture content Fresh fruit determine by the method AOAC (1990)
Fruit moisture content can be calculated as follows
Moisture content= Weight of fresh sample ndash Weight of dried sampletimes 100
-------------------------------------------------------
Weight of fresh sample
2163 Tritable acidity (TA)
Sample of 5-ml titrated against (01 N) NOAH solutions by adding 2-3 drops of
phenolphthalein indicator drops for the persistent of the pink coloration The tritable
acidity was calculated by AOAC (1900)
2164 Total soluble solid
A juice drop transferred on prism surface of the hand refractometer (model
ATAGO) and the brix value was recorded by adjusting the eyepiece which showed TSS in
sucrose
2165 Firmness
Tomato fruit firmness recorded by using a TA-XT (Texture Analyser) with 3mm
diameter of the flat aluminium probe
2166 Total solids
It was determined as described by (James 1995) by subtracting percentage
moisture from 100
18
Total solids () = 100 ndash moisture
2167 Protein
Content of protein measured using (Lowry et al 1951) method
2168 Carbohydrate
Method of Phenol-sulphuric acid used to determine the prescence of carbohydrate
of the fruit sample (Dubios et al 1956)
2169 Antioxidant activity and Total polyphenol
To estimate the polyphenol by Folin-Ciocalteu phenol reagent method used
described as (Chandini et al 2008) To determine the antioxidant activity of fruits
samples used by method described by (Zubia et al 2007 Duan et al 2006)
217 Experimental design
Complete randomized design or randomized complete block design used as a
ststistical tool in screen house and field conditions experiments
218 Analysis of data
(ANOVA) Analysis of variance included least significant difference (LSD) were
analyse according to experimental design described as Gomez and Gomez (1984) were
used
19
3 EXPERIMENTAL RESULTS
31 Isolation of endophytic Penicillium
Out of 80 plant samples from both wild and cultivated species (Roots stems and
leaves) 14 samples showed presence of genus Penicillium Endophytic Penicillium spp
isolated (root stem and leaves) from wild plants (Achyranthus aspera Atriplex stocksii
Euphorbia hirta Chorchorus tridens) and cultivated plant (Solanum melongena
Lycopersicon esculentum Helianthus annuus Azadirachta indica Abelmoschus
esculentus Momordica charantia) Fourteen isolates of Penicillium were isolated and
identified on the bases of their morphological feature Species of Penicillium were
identified as P lividum P lilacinum P purpurogenum P nigricans P rugulosum P
restrictum P duclauxi P asperum P thomii P citrinum and P javanicum (Table 1)
32 Molecular Identification of endophytic Penicillium
The selected endophytic Penicillium isolates P rugulosum (EPAAR5) P
decumbens (EPAIR6) P nigricans (EPSLR4) P asperum (EPHAL10) and P
purpurogenum (EPEHS7) initially identified by morphological characters were further
subjected to molecular identification and strain typing (Habiba et al 2018) PCR
amplification of DNA from endophytic Penicillium strains using a universal genus specific
primer set (ie ITS1 and ITS4) which amplified the product size ranging between 500 to 600
bp for different fungal species while 600bp specific for Penicillium spp All products thus
showing the availability and consistency in size of typical 600bp for Penicillium isolates
(Figure 1A) RAPD-PCR was also performed to established the genotypic variations and
similarities with in the genus Penicillium (Figure 1B) RAPD-PCR is universally used and
based on polymorphism of DNA at the taxonomic level clearly illustrates the discrimination
power at the specie level Moreover the dendrogram of RAPD-PCR analysis revealed the
genetic relatedness between the isolates (Figure 1C) Dendogram represents two distinct
clades in first isolate P rugulosum EPAAR5 and P purpurogenum EPEHS7 were found to
share the same clade (a) whereas P asperum EPHAL10 P nigricans EPSLR4 P
decumbens EPAIR6 and positive control exist together in the second clade (b)
20
21
22
32 In dual culture plate assay antifungal activity of endophytic Penicillium
Fungicidal potential of endophytic species of Penicillium isolates were
examined usually phytopathogens such as Rhizoctonia solani Macrophomina
phaseolina F oxysporum and Fusarium solani using dual culture plate assay The 5mm
diam agar disc of endophytic Penicillium was placed on a 90mm Petri dish poured
with (CDA) Czapekrsquos Dox Agar pH (72) On opposite side of this disc from root
rotting fungi grown in plate a 5mm disc of was cut placed and leave at 28oC and
inhibition zone measured averaged and expressed in mm
All endophytic Penicillium showed best result against common root rot fungi
Maximum inhibition zone (25mm) against Fsolani produced by Ppurpurogenum
then Pdecumbens and P nigricans inhibition zone produced against Rsolani
(Table 1) fig1-7
23
Table 1 Suppression of Macrophomina phaseolina Rhizoctonia solani Fusarium solani and F oxysporum in dual culture plate assay
by the endophytic Penicillium species isolated from different wild and cultivated plants
Fungus Penicillium spp Host name Plant
part MPhaseolina Rsolani Fsolani Foxysporum
Zone of inhibition(mm)
EPSMR1 P citrinum Solanum melongena L
(Solanaceae)
Root 4 4 20 20
EPSMS2 P lilacinum Solanum melongena L (Solanaceae) Stem 6 8 11 14
EPSML3 Ppurpurogenum Solanum melongena L (Solanaceae) leaf 6 5 25 17
EPSLR4 P nigricans Lycopersicon esculentum L
(Solanaceae)
root 5 25 16 21
EPAAR5 P rugulosum Achyranthus aspera L
(Amaranthaceae)
root 3 12 11 20
EPAIR6 P decumbens Azadirachta indica AJuss
(Meliaceae)
root 5 25 13 20
EPEHS7 P purpurogenum Euhorbia hirta L (Euphorbiaceae) stem 6 5 25 17
EPCTS8 P restrictum Chorchorus tridens L (Malvaceae) stem 2 2 5 5
EPASS9 Pduclauxi Atriplex stocksii
(Amaranthaceae)
stem 18 13 11 14
EPHAL10 Pasperum Helianthus annuus L (Asteraceae) leaf 2 2 5 5
EPAER11 P thomii Abelmoschus esculentus L
(Malvaceae)
root 5 8 5 6
EPMCL12 Plividum Momordica charantia L
(Cucurbitaceae)
leaf 18 13 11 14
EPSLR13 Pjavanicum Lycopersicon esculentum L
(Solanaceae)
root 5 24 17 22
EPAER14 Ppurpurogenum Abelmoschus esculentus L
(Malvaceae)
root 5 3 21 12
24
Fig1 Growth inhibition of Foxyspoum by the endophytic Penicillium in dual culture plate
assay
Fig2 Growth inhibition of Fsolani by the endophytic Penicillium in dual culture plate
assay
25
Fig3 Growth inhibition of Fsolani by the endophytic Penicillium in dual culture plate
assay
Fig4 Growth inhibition of F solani by the endophytic Penicillium
in dual culture plate assay
26
Fig5 Growth inhibition of Foxyspoum by the endophytic Penicillium in dual culture plate
assay
Fig6 Growth inhibition of Fsolani by the endophytic Penicillium in dual culture plate
assay
27
Fig7 Growth inhibition of Foxyspoum by the endophytic Penicillium in dual culture plate
assay
33 In vitro fungicidal potential of culture filtrates of endophytic Penicillium
Penicillium isolates were grown in Czapekrsquos Dox broth pH 72 at 25-30oC for 15
days and through filteration culture filtrate was collected in autoclaved flasks The filtrate of
culture was dropped by chloroform under sterilize conndition to kill fungal propagoles if
any To determine the antifungal activity Disc Diffusion Method was used in which cell free
culture filterates at 20microldisc 40microldisc 60microldisc and control were placed at equal distance
at diferent positions in the petri plates poured with Czapeks Dox Agar pH 72 Water
impregnated disc were used as negative control and carbendazim 20microgdisc were used as
positive control against four root rot fungi viz Rhizoctonia solani Macrophomina
phaseolina F oxysporum and Fusarium solani 5mm disc of each root rot pathogen
Fusarium solani Macrophomina phaseolina F oxysporum and Rhizoctonia solani was
inoculated in the centre of the petri plates were kept 28oC for 5 days Distance between
paper disc and fungal colonies was measured as inhibition zone which were averaged and
showed in mmThe experiment was performed twice and replicated four times
28
Culture filtrate of Penicillium initiated growth suppression of (root rotting) fungi viz R
solani M phaseolina F oxysporum and F solani in vitro M phaseolina was inhibited by
culture filtrates of Plilacinum Pnigricans and Pthomii at 60microldisc by producing
maximum zone of 20mm Plilacinum Pnigricans and Pthomii also showed zone of
inhibition of 15mm at 20microldisc and 17mm at 40microldisc R solani was inhibited by
producing zone of 14mm at 60microldisc from culture filtrates of Plilacinum Ppurpurogenum
(EPSML3) Ppurpurogenum (EPEHS7) Pasperum and Ppurpurogenum (EPAER14)
Pnigricans and Pthomii produced zone of inhibition of 17mm at 60microldisc against F
solani P decumbens P citrinum Ppurpurogenum (EPSML3) EPSLR4 Pregulosum
Ppurpurogenum (EPEHS7) Pduclauxi Pasperum Pthomii Pjavanicum and
Ppurpurogenum (EPAER14) produced zone of inhibition ranging from 12-14mm at
60microldisc(Table 2)
29
Table 2 In vitro growth inhibition of Macrophomina phaseolina Rhizoctonia solani Fusarium solani and Foxysporum by culture
filtrates of endophytic Penicillium species isolated from wild and cultivated plant species
Fungus No Penicillium spp MPhaseolina Rsolani Fsolani Foxysporum
Zone of inhibition(mm)
Control 0 0 0 0
+ve Control (Carbendazim 20microgdisc) 8 5 9 7
EPSMR1 P citrinum
20microldisc 8 8 8 10
40microldisc 8 10 10 10
60microldisc 16 12 10 12
EPSMS2 Plilacinum
20microldisc 15 10 10 5
40microldisc 17 10 12 5
60microldisc 20 14 12 8
EPSML3 Ppurpurogenum
20microldisc 12 8 10 8
40microldisc 14 8 12 8
60microldisc 14 14 14 12
EPSLR4 P nigricans
20microldisc 15 0 11 8
40microldisc 17 4 15 9
30
Fungus No Penicillium spp MPhaseolina Rsolani Fsolani Foxysporum
Zone of inhibition(mm)
60microldisc 20 8 17 12
EPAAR5 P rugulosum
20microldisc 11 6 8 9
40microldisc 16 10 8 12
60microldisc 16 12 12 12
EPAIR6 P decumbens
20microldisc 12 5 14 12
40microldisc 14 8 14 14
60microldisc 14 8 14 14
EPEHS7 Ppurpurogenum
20microldisc 12 8 10 8
40microldisc 14 8 12 8
60microldisc 14 14 14 12
EPCTS8 Prestrictum
20microldisc 8 0 8 8
40microldisc 10 5 8 9
60microldisc 11 7 12 11
EPASS9 P duclauxi
20microldisc 12 0 12 10
31
Fungus No Penicillium spp MPhaseolina Rsolani Fsolani Foxysporum
Zone of inhibition(mm)
40microldisc 16 6 14 10
60microldisc 16 8 14 12
EPHAL10 Pasperum
20microldisc 10 8 12 10
40microldisc 12 10 16 12
60microldisc 12 14 16 12
EPAER11 Pthomii
20microldisc 15 0 11 8
40microldisc 17 4 15 9
60microldisc 20 8 17 12
EPMCL12 P lividum
20microldisc 12 8 10 9
40microldisc 12 8 12 11
60microldisc 14 12 13 11
EPSLR13 P javanicum
20microldisc 10 0 8 8
40microldisc 12 5 9 8
60microldisc 14 8 10 12
EPAER14 P purpurogenum
32
Fungus No Penicillium spp MPhaseolina Rsolani Fsolani Foxysporum
Zone of inhibition(mm)
20microldisc 12 8 10 8
40microldisc 14 8 12 8
60microldisc 14 14 14 12
33
34 In vitro antibacterial potentail of culture filtrates of endophytic Penicillium
Bacterial lawn of test bacteria was prepared in 90mm Petri dished conating Nutrient
agar and loaded disc of culture filterates at 20microldisc 40microldisc 60microldisc and control were
placed at equal distance in clockwise pattern in according to concentration Water
impregnated disc were used as negative control and Streptomycin 10microgdisc applied as +ve
control for gram +ve bacteria viz Salmonella typhimurium and Escherichia coli and
Penicillin applied as +ve control for gram positive bacteria viz Bacillus subtilus and
Staphlococcus aureus Zones of inhibition produced around the discs after 2-3 days growth
were recorded averaged and showed in millimeter (mm) The performance was conducted
twice and replicated four times
Fourteen isolates of Penicillium species were tested in vitro against four bacterial
species Bacillus subtilus and Staphlococcus aureus (Gram positive) and Salmonella
typhimurium and Escherichia coli (Gram negative)Cell free filtrate of culture of the
Penicillium resulted growth suppression of four bacteria Bsubtilus Saureus S
typhimurium and E coli in vitro Penicillium rugulosum was found to inhibit by Bsubtilus
by producing maximum zone of 9mm at 20microldisc 13mm at 40microldisc and 21mm at
60microldisc P rugulosum was found to inhibit by Saureus by producing maximum zone of
24mm at 20microldisc 30mm at 40microldisc and 30mm at 60microldisc P rugulosum was found to
inhibit S typhimurium by producing maximum zone of 12mm at 20microldisc 20mm at
40microldisc and 20mm at 60microldisc P rugulosum was found to inhibit E coli by producing
maximum zone of 18mm at 20microldisc 22mm at 40microldisc and 22mm at 60microldisc Bsubtilus
was inhibited by P lividum and Plilacinum by producing 16mm and 10mm zone at 20 40
and 60microldisc respectively Saureus was inhibited by P lividum and Plilacinum by
producing zone of inhibition of 18mm at 40 and 60microldisc and 20mm at 60microldisc
respectively E coli was found to inhibit by P decumbens by producing zone of 18mm at all
concentration (Table 3 and Fig 8)
34
Table3 In vitro growth suppression of Bsubtilus Saureus S typhimurium and E coli by culture filtrates of endophytic Penicillium
species
Fungus No Penicillium sp Bsubtilus Saureus S typhimurium E coli
Zone of inhibition mm
Control 0 0 0 0
Streptomycin 20 microgdisc 15 15 15 15
EPSMR1 P citrinum
20microldisc 6 4 4 4
40 microldisc 6 8 8 6
60 microldisc 6 8 8 6
EPSMS2 Plilacinum
20microldisc 10 10 14 8
40 microldisc 10 10 16 8
60 microldisc 10 12 20 8
EPSML3 Ppurpurogenum
20microldisc 4 6 0 0
40 microldisc 6 6 0 4
60 microldisc 8 8 10 4
EPSLR4 P nigricans
20microldisc 0 0 0 0
35
Fungus No Penicillium sp Bsubtilus Saureus S typhimurium E coli
Zone of inhibition mm
40 microldisc 4 4 2 4
60 microldisc 4 8 4 4
EPAAR5 P rugulosum
20microldisc 9 24 12 18
40 microldisc 13 30 20 22
60 microldisc 21 30 20 22
EPAIR6 P decumbens
20microldisc 6 4 10 18
40 microldisc 6 6 12 18
60 microldisc 6 8 14 18
EPEHS7 Ppurpurogenum
20microldisc 0 0 0 0
40 microldisc 8 6 0 0
60 microldisc 10 8 4 4
EPCTS8 P restrictum
20microldisc 2 4 4 4
40 microldisc 8 6 4 8
60 microldisc 8 8 6 12
EPASS9 P duclauxi
36
Fungus No Penicillium sp Bsubtilus Saureus S typhimurium E coli
Zone of inhibition mm
20microldisc 0 4 0 12
40 microldisc 0 4 0 12
60 microldisc 0 6 0 16
EPHAL10 Pasperum
20microldisc 0 8 4 2
40 microldisc 4 10 4 2
60 microldisc 4 10 6 4
EPAER11 Pthomii
20microldisc 0 0 0 4
40 microldisc 0 0 0 8
60 microldisc 0 0 0 8
EPMCL12 P lividum
20microldisc 16 16 8 4
40 microldisc 16 18 12 6
60 microldisc 16 18 12 6
EPSLR13 P javanicum
20microldisc 0 0 0 14
40 microldisc 0 0 0 16
60 microldisc 0 8 0 16
37
Fungus No Penicillium sp Bsubtilus Saureus S typhimurium E coli
Zone of inhibition mm
EPAER14 P purpurogenum
20microldisc 0 0 0 0
40 microldisc 8 6 0 0
60 microldisc 10 8 4 4
38
Fig 8 Growth inhibition of Saureus by the culture filterate of endophytic Penicillium in
disc diffusion method
A=Control B=+ve control C=20microldisc D=40microldisc E=60microldisc
35 In vitro nematicidal potentail of culture filtrates of endophytic Penicillium
spp
Penicillium isolates were grown in CDB (Czapekrsquos Dox broth) pH (72) at (25-
30oC) for 15 days and filtered and culture filtrate was collected in sterile flasks for use
Suspension of 10 juveniles per ml and culture filtrate (1 ml) of Penicillium isolates
shifted in cavity blocks and placed at 26 plusmn5oC These were replicated three times and
mortality rate of juvenile was noticed subsequently 24 and 48 hours
Culture filtrates of endophytic Penicillium exhibited nematicidal effects juveniles
mortality of Meloidogyne javanica occurred at different percentages Out of 14 isolates
tested Ppurpurogenum (EPSML3) initiated 100 killing of juveniles of M javanica in
24 h While 10 isolates initiated 50 or more juveniles mortality in 48 hours (Table 4)
A
B
C
E D
39
Table4 Effect of cell free culture filtrate of endophytic Penicillium spp on juveniles mortality of Meloidogyne javanica after 24 and
48 hours
Treatments Code Juveniles Mortality
24Hours 48Hours
Control(CDA Broth) hellip 0 0
P decumbens EPAIR6 50 76
Pnigricans EPSLR4 10 33
Pregulosum EPAAR5 46 63
P citrinum EPSMR1 36 73
Plilacinum EPSMS2 36 83
Ppurpurogenum EPSML3 100 100
Pduclauxi EPASS9 10 76
Plividum EPMCL12 16 53
Ppurpurogenum EPEHS7 43 76
Prestrictum EPCTS8 76 83
Pthomii EPAER11 43 43
Ppurpurogenum EPAER14 43 76
Pjavanicum EPSLR13 10 33
Pasperum EPHAL10 30 70
40
41
36 In-vitro antimicrobial potentail of solvent fractions of culture filtrtaes of
endophytic Penicillium
In our present study filtrates of culture of each fungus extracted thrice with n-
hexane and then chloroform by shaking vigorously in a separating funnel The extraction
volume of each solvent is approximately half to that of filtrate The n-hexane and
chloroform fractions were collected pooled and finally crude extracts on a rotary vacum
evaporator (Eyela-NE) separately and weighed The dilutions of 15mgml of n-hexane and
chloroform were dissolved in their respective solvents and weighed down on senitized
discs at 20 40 and 60microldisc and dried These are used for antimicrobial test by Disc
Diffusion Method as described for cell free culture filtarates section (Hadacek and Greger
2000) Solvent of respective fractions were served as control streptomycin at 20microgdisc
was used as positive control in determining antibacterial activity against Salmonella
typhimurium Escherichia coli Bacillus subtilus Staphlococcus aureus and Pseudomonas
auroginosa Whereas in antifungal activity carbendazim at 20microgdisc used as positive
control against root rotting fungi Mphaseolina Foxysporum Fsolani and Rsolani
There were four replicates of each treatment
361 In-vitro fungicidal potentail of n-hexane fractions
P rugulosum and Ppurpurogenum (EPEHS7) produced inhibition zones of 20mm
against Mphaseolina whereas P decumbens produced maximum inhibition zones of
25mm against Foxysporum and Fsolani was also inhibited P rugulosum
Ppurpurogenum (EPEHS7) and P nigricans Highest zone of inhibition of 25mm at
60microldisc were produced by P rugulosum against Rsolani (Table 5)
42
Table5 In vitro growth inhibition of M Phaseolina R Solani F solani and F oxysporum by n-Hexane fraction of endophytic
Penicillium species
Fungus No Penicillium sp M phaseolina R solani F solani F oxysporum
Zone of inhibition mm
Control 0 0 0 0
Carbendazim 20 microgdisc 30 30 30 30
EPSLR4 P nigricans
20microldisc 0 18 8 12
40 microldisc 0 18 12 15
60 microldisc 0 18 12 15
EPAAR5 P rugulosum
20microldisc 20 22 20 15
40 microldisc 20 25 20 15
60 microldisc 20 25 20 15
EPAIR6 P decumbens
20microldisc 0 0 0 25
40 microldisc 0 0 0 25
60 microldisc 0 0 0 25
EPEHS7 Ppurpurogenum
20microldisc 20 20 20 0
43
40 microldisc 20 20 20 0
60 microldisc 20 `20 20 0
EPHAL10 Pasperum
20microldisc 0 0 0 0
40 microldisc 0 0 0 0
60 microldisc 0 0 0 0
44
362 In-vitro antibacterial potentail of n-hexane fractions of culture filtrates of
endophytic Penicillium
Pasperum and P rugulosum inhibited Bacillus subtilus by producing inhibition
zones ranging from 12-14mm respectively P rugulosum suppressed the growth of
Staphlococcus aureus by producing inhibition zone 24mm at 60microldisc while P
rugulosum also formed inhibition zones measuring 18mm against Escherichia coli whereas
the inhibition zones of 20mm against Salmonella typhimurium were produced by P
rugulosum Similarly P rugulosum inhibited Pseudomonas auroginosa with zones of
25mm (Table 6 and Fig9-12)
363 In-vitro fungicidal potentail of chloroform fractions of culture filtrates of
endophytic Penicillium
P rugulosum produced inhibition zones of 20mm 25mm 20mm and 15mm at
60microldisc against Fsolani Rsolani Mphaseolina Rsolani and Foxysporum (Table 7)
45
Table6 In vitro growth inhibition of Bsubtilus Saureus S typhimurium E coli and Pauroginosa by n-hexane fraction of
endophytic Penicillium species
Penicillium sp Bsubtilus Saureus S typhimurium E coli Pauroginosa
Zone of inhibition mm
Control 0 0 0 0 0
Streptomycin 20 microgdisc 15 15 15 15 15
EPSLR4 P nigricans
20microldisc 6 10 8 8 8
40 microldisc 9 10 8 8 9
60 microldisc 11 11 9 12 10
EPAAR5 P rugulosum
20microldisc 0 18 18 11 18
40 microldisc 0 21 18 11 22
60 microldisc 0 24 20 18 22
EPAIR6 P decumbens
20microldisc 0 8 16 0 11
40 microldisc 0 8 16 0 11
60 microldisc 0 12 16 0 11
EPEHS7 Ppurpurogenum
20microldisc 5 10 7 8 9
40 microldisc 8 10 7 8 11
46
60 microldisc 8 12 7 8 11
EPHAL10 Pasperum
20microldisc 10 8 6 10 10
40 microldisc 11 9 6 10 10
60 microldisc 12 11 9 10 12
47
Fig9 Growth inhibition of Pauroginosa by the n-hexane fraction endophytic Penicillium in
disc diffusion method
Fig10 Growth inhibition of Saureus by the n-Hexane fraction of endophytic Penicillium in
disc diffusion method
C
+ve C
20microl
60microl
40microl
+veC
20microl
40microl
60microl
C
48
Fig11 Growth inhibition of S typhimurium by the n-Hexane fraction of endophytic
Penicillium in disc diffusion method
Fig12 Growth inhibition of E coli by the n-Hexane fraction of endophytic Penicillium in
disc diffusion method
C
60microl
40microl
20microl +veC
vCCe
veve
+veC
vCCe
veve
C
60microl
20microl
40microl
49
Table7 In vitro growth suppression of M Phaseolina R Solani F solani and F oxysporum by chloroform fraction of endophytic
Penicillium species
Fungus No Penicillium sp M Phaseolina R Solani F solani F oxysporum
Zone of inhibition mm
Control 0 0 0 0
Carbendazim 20 microgdisc 30 30 30 30
EPSLR4 P nigricans
20microldisc 0 0 0 0
40 microldisc 0 0 0 0
60 microldisc 0 0 0 0
EPAAR5 P rugulosum
20microldisc 15 0 20 20
40 microldisc 15 0 20 20
60 microldisc 15 0 20 20
EPAIR6 P decumbens
20microldisc 0 0 0 0
40 microldisc 0 0 0 0
60 microldisc 0 0 0 0
EPEHS7 Ppurpurogenum
20microldisc 25 0 20 15
40 microldisc 25 0 20 15
50
60 microldisc 25 0 20 15
EPHAL10 Pasperum
20microldisc 0 0 0 0
40 microldisc 0 0 0 0
60 microldisc 0 0 0 0
364 In-vitro antibacterial potentail of chloroform fractions of culture filtrates of endophytic Penicillium
P rugulosum inhibited Bacillus subtilus Staphlococcus aureus Salmonella typhimurium and Pseudomonas auroginosa by
producing inhibition zones ranging from 21-18mm P rugulosum while P rugulosum also produced inhibition zones measuring
11mm against Escherichia coli whereas the inhibition zones of 14mm against Escherichia coli were produced by P nigricans
(Table 8 and Fig12)
51
Table8 In vitro growth inhibition of Bsubtilus Saureus S typhimurium E coli and Pauroginosa by chloroform fraction of
endophytic Penicillium species
Fungus No Penicillium sp Bsubtilus Saureus S typhimurium E coli Pauroginosa
Zone of inhibition mm
Control 0 0 0 0 0
Streptomycin 20 microgdisc 15 15 15 15 15
EPSLR4 P nigricans
20microldisc 16 16 14 14 16
40 microldisc 16 16 14 14 18
60 microldisc 18 16 16 14 20
EPAAR5 P rugulosum
20microldisc 18 18 20 11 20
40 microldisc 18 18 20 11 21
60 microldisc 18 18 20 11 21
EPAIR6 P decumbens
20microldisc 0 0 0 0 0
40 microldisc 0 0 0 0 0
60 microldisc 0 0 0 0 0
EPEHS7 Ppurpurogenum
20microldisc 0 0 14 0 0
52
40 microldisc 0 0 14 0 0
60 microldisc 0 0 14 0 0
EPHAL10 Pasperum
20microldisc 0 7 11 0 6
40 microldisc 0 7 11 0 6
60 microldisc 0 10 11 0 9
53
4
Fig13 Growth inhibition of S typhimurium by the chloroform fraction of endophytic
Penicillium in disc diffusion method
C
+ve C
20microl 40microl
60microl
54
3656 Extraction and characterization of compounds from mycelium of endophytic
Penicillium
Czapekrsquos Dox broth of Penicillium regulosum was prepared in (250 ml) conical
flask containing (100 ml) A 5mm disc of test Penicillium was cuttedinoculated and
incubated (25-30degC) and left for 15 days When fungi secreted secondry metabolites then
cell free culture filtrates were obtained by filtering The mycelium was used for the
extraction of compounds
10 gm mycelium was thoroughly washed with n-hexane solvent to remove excess
water and extracted with 200 mL n-hexane using a Soxhlet extractor for 8 h The extracts
were filtered and dried at 40degC by using a rotary vacuum evaporator The oily mass
extracted from mycelium of Penicillium regulosum was subjected to GC-MS analysis
GCMS (Gas chromatographymass spectrometer) analyzed on High Resolution Mass
spectrometer Jeol HX-110 (Japan) equipped with data system DA-5500 in combination with
gas chromatograph Hewlett packard (5890)
Total 23 different chemical compounds were obtained from mycelium fraction Volatile
compound such as normal hydrocarbon (akane and alkene) fatty acid alcohol ether
terpenoids and benzene derivatives including cyclohexane and other compounds that were
found among the volatile metabolites were identified by mass spectral data base (Table 9)
55
(1) Nanodecane
(2) Nonadecane
(3) Heptadecane
(4) Heptacosane
(5) Heptacosane
(6) Eicosane
(7) Octadecane
(replib) Nonadecane
50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 2400
50
10057
71
85
99113 127 141 155 169 183 197
(replib) Nonadecane
60 80 100 120 140 160 180 200 220 240 260 2800
50
10057
71
85
99113 127 141 155 169 183 197 268
(replib) Heptadecane
50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 240 2500
50
10057
71
85
99113 127 141 155 169 182 196 210 240
(replib) Heptacosane
60 80 100 120 140 160 180 200 220 240 260 280 300 320 3400
50
10057
71
85
99113 127 141 155 169 183 197 211 225 239 253 267 281 294 308 322 336
(replib) Heptacosane
60 80 100 120 140 160 180 200 220 240 260 280 300 3200
50
10057
71
85
99113 127 141 155 169 183 197 211 225 239 253 267 281 294 308 322
(mainlib) Eicosane
60 80 100 120 140 160 180 200 220 240 260 2800
50
10057
71
85
99113
127 141 155 169 183 197 211 225 238 252 282
(replib) Octadecane
60 80 100 120 140 160 180 200 220 240 2600
50
10057
71
85
99113 127 141 155 169 183 197 210 225 254
56
(8) Tetradecanoic acid
(9) Dodecane 2610-trimethyl-
(10) i-Propyl tetradecanoate
(11) i-Propyl 12-methyltetradecanoate
(12) Ethyl 13-methyl-tetradecanoate
(13) Widdrol hydroxyether
(mainlib) Tetradecanoic acid
50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 2400
50
100
55
60
69
73
8397 115
129
138
143157
171
185
199209
228
OH
O
(replib) Dodecane 2610-trimethyl-
60 80 100 120 140 160 180 200 220 240 2600
50
10057
71
85
97
113127
141 155 168183 197 212
(mainlib) i-Propyl tetradecanoate
50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 240 2500
50
100
60
71
8397
102
111
129
143157
171
185
199
211
228
O
O
(mainlib) i-Propyl 12-methyltetradecanoate
60 80 100 120 140 160 180 200 220 240 2600
50
10057
60
71
83 97
102
111 129
143153 165
177
185
195 213225
242O
O
(mainlib) Ethyl 13-methyl-tetradecanoate
60 80 100 120 140 160 180 200 220 240 260 2800
50
100
55
61
70
88
101
115129
143
157
171 185 199 213
227
241 255
270
O
O
(mainlib) Widdrol hydroxyether
60 80 100 120 140 160 180 200 220 240 260 2800
50
100
55
69
81
95 109
123
135
140
150
167
177 205223
238
O
OH
57
(14) n-Hexadecanoic acid
(15) Hexadecanoic acid ethyl ester
(16) Oleic Acid
(17) 912-Octadecadienoic acid ethyl ester
(replib) n-Hexadecanoic acid
60 80 100 120 140 160 180 200 220 240 2600
50
10060 73
8397
115
129
143157 171 185
199
213
227 239
256
OH
O
(mainlib) Hexadecanoic acid ethyl ester
60 80 100 120 140 160 180 200 220 240 260 2800
50
100
55
61 73
88
101
115129 143
157
171 185 199 213 225239
255 267284
O
O
(mainlib) 912-Octadecadienoic acid ethyl ester
60 80 100 120 140 160 180 200 220 240 260 280 300 3200
50
100
55
6781
95
109
123135 150 164 178
192 205 220 234
263
279
308
O
O
(replib) Oleic Acid
60 80 100 120 140 160 180 200 220 240 260 2800
50
10055
69
83
97
111
125137 151 165 180 193 207 222 236
264
282
HO
O
58
(18) Ethyl Oleate
(19) cis-10-Nonadecenoic acid
(20) 2-Propenoic acid 3-(4-methoxyphenyl)- 2-ethylhexyl ester
(21) 12-Benzenedicarboxylic acid diisooctyl ester
(replib) Ethyl Oleate
60 80 100 120 140 160 180 200 220 240 260 280 300 3200
50
10055
6983
97
111123
137 155180
194 207
222
236
264
281
310
O
O
(mainlib) cis-10-Nonadecenoic acid
60 80 100 120 140 160 180 200 220 240 260 280 300 3200
50
10055
6983
97
111
125137 151 165 179 194 207 221 236 249 261
278296
HO
O
(mainlib) 2-Propenoic acid 3-(4-methoxyphenyl)- 2-ethylhexyl ester
60 80 100 120 140 160 180 200 220 240 260 280 3000
50
100
55 77 90 103118
133
147
161
178
191 262290
O
O
O
(replib) 12-Benzenedicarboxylic acid diisooctyl ester
60 90 120 150 180 210 240 270 300 330 360 3900
50
100
5770
83 104132
149
167
279
O
O
O
O
(mainlib) Cyclopenta[ad]cycloocten-5-one 1233a456899a1010a-dodecahydro-7-(1-methylethyl)-19a-dimethyl-4-methylene
60 90 120 150 180 210 240 270 300 330 360 3900
50
100
55
69
81
95
107
121
147
173189
215
231
243
258
286
O
59
(22) Cyclopenta[ad]cycloocten-5-one 1233a456899a1010a-dodecahydro-7-(1-
methylethyl)-19a-dimethyl-4-methylene
(23) 2-Aminofluorescein
(mainlib) 2-Aminofluorescein
50 100 150 200 250 300 350 400 450 500 550 600 6500
50
100
63 91
151
189
287
303
318 347
O
O
OHO OH
H2N
60
Table9 GCMS of mycelial fraction of Penicillium regulosum
SNo Scan
No
Systemic Name
(Common Name)
Mol
Formula
Mol
Wt
Ret
Time
Conc
1 2606 Nanodecane C19H40 268 24168 0036
2 2913 Heptadecane C17H36 240 2641 0035
3 2998 Tetradecanoic acid C14H28O2 228 27038 0056
4 3230 Octadecane C18H38 254 28737 0049
5 3264 Dodecane 2610-trimethyl- C15H32 212 28986 0077
6 3331 i-Propyl tetradecanoate C17H34O2 270 29476 0058
7 3381 i-Propyl 12-methyltetradecanoate C18H36O2 284 29842 0097
8 3496 Ethyl 13-methyl-tetradecanoate C17H34O2 270 30684 0054
9 3653 Nonadecane C19H40 268 31834 0064
10 3975 Widdrol hydroxyether C15H26O2 238 34192 0094
11 4096 n-Hexadecanoic acid C16H32O2 256 35078 0079
12 4223 Hexadecanoic acid ethyl ester C18H36O2 284 36007 0094
13 4252 Eicosane C20H42 282 36220 0093
14 5475 Oleic Acid C18H34O2 282 45175 0105
15 5516 912-Octadecadienoic acid ethyl ester C20H36O2 308 45475 0084
16 5546 Ethyl Oleate C20H38O2 310 45694 0065
61
17 5970 cis-10-Nonadecenoic acid C19H36O2 296 48799 0053
18 6023 Heptacosane C27H56 380 49187 0051
19 6072 2-Propenoic acid 3-(4-methoxyphenyl)- 2-ethylhexyl ester C18H26O3 290 49546 0058
20 6281 Heptacosane C27H56 380 51076 0044
21 6591 12-Benzenedicarboxylic acid diisooctyl ester C24H38O4 390 53346 0048
22 6668 Cyclopenta[ad]cycloocten-5-one 1233a456899a1010a-
dodecahydro-7-(1-methylethyl)-19a-dimethyl-4-methylene
C20H30O 286 53910 004
23 8458 2-Aminofluorescein C20H13NO5 347 67016 0135
62
37 Screen house experiments
371 Effect of endophytic Penicillium in soil amended with neem cake in inhibition
of the root diseases and growth of sunflower (2016)
Fourteen isolates of endophytic Penicillium viz P duclauxi Plilacinum
Ppurpurogenum (EPSML3) Pnigricans Pregulosum P decumbens Ppurpurogenum
(EPEHS7) P restrictum P citrinum Pasperum Pthomii Ppurpurogenum (EPAER14)
Plividum Pjavanicum and caused growth suppression of four root rotting fungi in vitro A
25ml five-day-old cell suspension of fungal isolates were drench in 1kg soil obtaining from
experimental field of the Department of Botany each clay pots Carbendazim considered as
+ve control against pathogenic fungi Application of endophytic Penicillium and 1 Neem
cake were also applied in another pot set In each pot (6 seeds per pot) seed of sunflower
(Helianthus annuus) were sown and kept four seedlings after germination Treatments were
replicated four times watered daily
After six weeks experiment were harvested to evaluate the potentail of endophytic
Penicillium on the suppression of pathogens and growth of plant and data on height of
plant weight of fresh shoot length of root weight of root were measured and noted The
infection of root rotting fungi roots cleaned with tap water 5 root pieces of 1cm were
sterilized with 1 bleach and placed on plates poured with (Potato Dextrose Agar) PDA
mixed with penicillin (100000 units litre) and streptomycin (02 glitre) After incubation
of 5 day occurrence of root rots were recorded
Plant grown in soil amended with neem cake generally showed less infection of
root rotting fungi related to plant grown in natural soil (un-amended soil) Plant inoculated
with endophytic Penicillium species most of them showed less infection of root rotting
fungi related to control plant Plants grown in pots received Endophytic Pregulosum in
natural soil and also in amended soil with neem cake showed no infection of F oxysporum
Whereas P Pnigricans Pregulosum P citrinum Ppurpurogenum (EPSML3)
Pduclauxi Pthomii Pjavanicum and P decumbens in amended soil with neem cake also
showed no infection of F oxysporum Combine effect of isolates P decumbens
63
Pnigricans P citrinum P lividum Plilacinum Ppurpurogenum (EPSML3) Pduclauxi
Ppurpurogenum (EPEHS7) P restrictum Pthomii Ppurpurogenum (EPAER14)
Pjavanicum and neem cake showed no infection on Fsolani P decumbens Pnigricans
Pregulosum and Pjavanicum also showed no infection of Fsolani when used alone
Plividum alone showed no infection of Mphaseolina on sunflower roots Combine effect
of P decumbens Pnigricans Pregulosum Pthomii and Pjavanicum with neem cake
showed significant reduction on infection of Mphaseolina Application of P decumbens
Pnigricans P citrinum Plividum Ppurpurogenum (EPEHS7) Ppurpurogenum
(EPAER14) and Pjavanicum showed no infection of Rsolani P decumbens
Pregulosum P citrinum Plilacinum Ppurpurogenum (EPSML3) Pduclauxi
Ppurpurogenum (EPEHS7) P restrictum Ppurpurogenum (EPAER14) Pjavanicum
with neem cake showed no infection of Rsolani While Pnigricans Plividum Pthomii
and Pasperum Significantly suppressed the Rsolani infection when applied in neem cake
amended soil (Table 10)
Greater plant height was produced by Ppurpurogenum (EPEHS7) P restrictum
Ppurpurogenum (EPAER14) and Pasperum when applied in neem cake amended soil
However effect of P restrictum and Pasperum with neem cake were significant on fresh
shoot weight (Table 10) Pnigricans Pthomii and Pjavanicum alone showed significant
result of root length and root weight whereas P decumbens and Pduclauxi with neem
cake showed greater root length (Table 11 and Fig13-14)
64
Table10 Effect of endophytic Penicillium and neem cake on the infection of Fusarium solani Foxysporum Rhizoctonia solani and
Macrophomina phaseolina on sunflower roots in green house experiment
Infection
Treatments Code Foxysporum
Fsolani
M phaseolina Rsolani
NS AS NS AS NS AS NS AS
Control hellip 50 187 75 25 75 50 187 125
Carbendazim hellip 25 0 312 62 125 25 125 0
P decumbens EPAIR6 187 0 0 0 25 187 0 0
Pnigricans EPSLR4 62 0 0 0 375 187 0 62
Pregulosum EPAAR5 0 0 0 187 62 187 62 0
P citrinum EPSMR1 375 0 25 0 125 25 0 0
Plilacinum EPSMS2 25 62 187 0 62 50 62 0
Ppurpurogenum EPSML3 50 0 125 0 62 25 62 0
Pduclauxi EPASS9 50 0 62 0 312 312 62 0
Plividum EPMCL12 50 62 50 0 0 50 0 62
Ppurpurogenum EPEHS7 375 187 375 0 50 312 0 0
Prestrictum EPCTS8 50 62 62 0 125 437 62 0
Pthomii EPAER11 62 0 62 0 375 187 62 62
Ppurpurogenum EPAER14 375 187 375 0 50 312 0 0
Pjavanicum EPSLR13 62 0 0 0 375 187 0 0
Pasperum EPHAL10 125 0 25 187 375 312 62 62
LSD005 Treatment=4651 Pathogen=2322 Soil Type=1643
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
3Mean values in the NS and AS column showing difference greater than LSD value are significantly different at plt005
NS= Natural Soil AS=Amended Soil
65
Table11 Effect of endophytic Penicillium and neem cake on the growth of sunflower in green house experiment
Treatments Code Shoot Length
Shoot Weight
Root Length Root weight
(cm)
(g)
(cm)
(g)
NS AS NS AS NS AS NS AS
Control 22775 3993 253 535 643 1162 0645 0675
Carbendazim 2585 418 2216 451 742 1287 0715 0622
P decumbens EPAIR6 2541 4487 243 512 1103 1406 077 0786
Pnigricans EPSLR4 2824 44 277 527 1221 1218 1005 0645
Pregulosum EPAAR5 2527 4406 25 475 862 1287 0781 0629
P citrinum EPSMR1 2599 4681 218 51 94 862 0726 0807
Plilacinum EPSMS2 22685 4587 205 539 631 558 0663 0578
Ppurpurogenum EPSML3 25211 4087 215 471 932 681 0841 0648
Pduclauxi EPASS9 2541 4487 243 512 1103 1406 077 0786
Plividum EPMCL12 22685 4587 205 539 631 558 0663 0578
Ppurpurogenum EPEHS7 234 4931 153 573 887 725 0583 0748
Prestrictum EPCTS8 26186 4918 214 678 918 757 069 0866
Pthomii EPAER11 2824 44 277 527 1221 1218 1005 0645
Ppurpurogenum EPAER14 234 4931 153 573 887 725 0583 0748
Pjavanicum EPSLR13 2824 44 277 527 1221 1218 1005 0645
Pasperum EPHAL10 26186 4918 214 678 918 757 069 0866
LSD005 5141 7881 07911 1821 2551 2821 01951 031
1 Difference greater than LSD values among means in column are significant at plt005
NS= Natural Soil AS=Amended Soil
66
372 Effect of endophytic Penicillium with neem cake in inhibition of the root
diseases and growth of Sunflower (2017)
Fourteen isolates of endophytic Penicillium viz P citrinum Plilacinum
Ppurpurogenum (EPSML3) Pnigricans Pregulosum P decumbens Ppurpurogenum
(EPEHS7) P restrictum Pduclauxi Pasperum Pthomii Plividum Pjavanicum and
Ppurpurogenum (EPAER14) caused growth suppression of four root rotting fungi in vitro
A 25ml five-day-old cell suspension of fungal isolates were drench in 1kg soil obtaining
from experimental field of the Department of Botany each clay pots Carbendazim
considered as positive control against root rotting fungi Application of endophytic
Penicillium and 1 Neem cake were also applied in another pot set In each pot (6 seeds per
pot) seed of sunflower (Helianthus annuus) were sown and kept four seedlings after
germination Treatments were replicated four times watered daily
After six weeks experiment were harvested to evaluate the potentail of endophytic
Penicillium on the suppression of pathogens and growth of plant and data on plant height
fresh shoot weight root length root weight were measured and noted The infection of
root rotting fungi roots were washed under tap water 5 root pieces of 1cm were sterilized
with 1 bleach and placed on plates poured with Potato Dextrose Agar mixed with
penicillin (100000 units litre) and streptomycin (02 glitre) After incubation of 5 day
occurrence of root rots were recorded
67
68
Fig14 Growth promotion by the endophytic Penicillium in sunflower
Control +veControl EP EP EP
69
Fig14 Growth promotion by the endophytic Penicillium in neem cake amended soil in
sunflower
Control +ve Control EP
+veControl EP
EP
EP EP EP EP
EP
Control
70
Plant grown in soil amended with neem cake generally showed less infection of
root rotting fungi as compared to plant grown in natural soil (un-amended soil) Plant
inoculated with endophytic Penicillium species most of them showed less infection of
root rotting fungi as compared to untreated control Plants grown in pots received
Endophytic Penicillium isolates caused significant reduction except Ppurpurogenum
(EPSML3) and Plividum which caused no reduction as compared to untreated control
on F oxysporum infection Whereas pots received endophytic P citrinum
Ppurpurogenum (EPSML3) Pnigricans Pregulosum P decumbens Pduclauxi
Pthomii Pjavanicum with neem cake showed complete suppression of F oxysporum
Combine effect of isolates Pnigricans P citrinum Plilacinum Plividum P
restrictum Pthomii Pjavanicum and neem cake showed no infection of Fsolani P
decumbens Pnigricans and Pjavanicum also showed complete suppression of
infection of Fsolani while Plividum showed no difference from control when used
alone Plividum alone showed no infection of Mphaseolina on sunflower roots
Combine effect of all treatments with neem cake showed significant reduction on
infection of Mphaseolina Application of P decumbens P citrinum Plividum
Ppurpurogenum (EPEHS7) and Pregulosum showed no infection of Rsolani P
decumbens Pnigricans P citrinum Ppurpurogenum (EPSML3) Pduclauxi
Ppurpurogenum (EPEHS7) P restrictum Ppurpurogenum (EPAER14) and
Pjavanicum with neem cake showed complete suppression of Rsolani (Table 12)
Plant grown in soil amended with neem cake generally showed greater height as
compared to plant grown in natural soil (un-amended soil) Plant inoculated with
endophytic Penicillium species most of them showed larger shoot length as compared to
untreated control Greater plant height was produced by Plilacinum when applied in
neem cake amended soil (Table 13 and Fig 15-17)
71
Table12 Effect of endophytic Penicillium and neem cake on the infection of Fusarium solani Foxysporum Rhizoctonia solani and
Macrophomina phaseolina on sunflower roots in green house experiment
Infection
Treatments Code Foxysporum
Fsolani
M phaseolina Rsolani
NS AS NS AS NS AS NS AS
Control 50 187 50 25 75 75 187 125
Carbendazim 125 62 312 62 125 25 62 62
P decumbens EPAIR6 125 0 0 62 25 187 0 0
Pnigricans EPSLR4 62 0 0 0 312 187 62 0
Pregulosum EPAAR5 125 0 25 62 125 125 0 62
P citrinum EPSMR1 375 0 25 0 125 25 0 0
Plilacinum EPSMS2 25 62 187 0 62 50 62 62
Ppurpurogenum EPSML3 50 0 125 62 62 25 62 0
Pduclauxi EPASS9 25 0 62 62 312 187 62 0
Plividum EPMCL12 50 62 50 0 0 50 0 62
Ppurpurogenum EPEHS7 375 187 312 125 50 31 0 0
Prestrictum EPCTS8 125 62 62 0 125 437 62 0
Pthomii EPAER11 62 0 62 0 375 187 62 62
Ppurpurogenum EPAER14 375 187 312 125 50 312 62 0
Pjavanicum EPSLR13 62 0 0 0 312 187 62 0
Pasperum EPHAL10 125 125 25 187 312 312 62 62
LSD005 Treatment=4451 Pathogen=2222 Soil Type=1573
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
3Mean values in the NS and AS column showing difference greater than LSD value are significantly different at plt005
NS= Natural Soil AS=Amended Soil
72
Table13 Effect of endophytic Penicillium and neem cake on the growth of sunflower in green house experiment
Treatments Code
Shoot Length
(cm)
Shoot Weight
(g)
Root Length Root weight
(cm)
(g)
NS AS NS AS NS AS NS AS
Control 3256 3893 378 642 57 1034 085 131
Carbendazim 3781 4293 452 607 84 1025 124 128
P decumbens EPAIR6 4412 6275 386 1013 7 768 086 213
Pnigricans EPSLR4 4838 6208 489 953 863 656 096 141
Pregulosum EPAAR5 4568 6412 472 994 658 666 0909 128
P citrinum EPSMR1 385 6443 373 1425 75 787 088 226
Plilacinum EPSMS2 345 6551 206 1019 706 645 072 161
Ppurpurogenum EPSML3 3545 6037 2405 909 677 593 091 144
Pduclauxi EPASS9 4412 6275 386 1013 7 768 086 213
Plividum EPMCL12 345 6551 206 1019 706 645 072 161
Ppurpurogenum EPEHS7 385 59 245 886 868 1118 083 163
Prestrictum EPCTS8 4158 5006 362 818 6102 1275 067 186
Pthomii EPAER11 4838 6208 489 953 863 656 096 141
Ppurpurogenum EPAER14 385 59 245 886 868 1118 083 163
Pjavanicum EPSLR13 4838 6208 489 953 863 656 096 141
Pasperum EPHAL10 4158 5006 362 818 6102 1275 067 186
LSD005 10331 8971 2271 5521 3021 2171 04581 1071
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
NS= Natural Soil AS=Amended Soil
73
Fig15 Growth promotion by the endophytic Penicillium in soil amended with neem cake
in sunflower
373 Effect of endophytic Penicillium with neem cake in inhibition of root diseases
and mung bean growth
In an experiment a 25 ml cell suspension of five-day-old cultures of Fourteen
isolates of endophytic Penicillium viz P citrinum Plilacinum Ppurpurogenum
(EPSML3) Pnigricans Pregulosum P decumbens Ppurpurogenum (EPEHS7) P
restrictum Pduclauxi Pasperum Pthomii Plividum Pjavanicum and
Ppurpurogenum (EPAER14) were applied in pots filled with 1 Kg soil Endophytic
Penicillium were drench in each pots with 1 neem cake in another pot set Mung bean
(Vigna radiata) seeds were sown pots (6 seeds per pot) Four seedlings were remained in
each pots after germination Treatments were replicated four times and data were noticed
after 45 days
EP
Carbendazim Control
74
No infection of Foxysporum were found Plilacinum Ppurpurogenum (EPSML3)
and Pduclauxi when used in natural soil Whereas infection of Foxysporum was also not
found where Plilacinum Pnigricans and Pduclauxi used in neem cake amended soil
Significant reduction in infection of Fsolani was seen in natural soil by all isolates whereas
in neem cake amended soil all isolates also showed significant reduction other than P
citrinum which showed infection equal to control treatment 75 No infection of
Mphaseolina was showed by P citrinum in both type of soil whereas P restrictum also
showed no infection of Mphaseolina only in natural soil Control showed no infection of
Rsolani in natural soil while Pnigricans Pasperum Pthomii and Pjavanicum in
amended soil showed no infection of Rsolani (Table 14)
Use of endophytic Plividum with neem cake caused a significant increase in
plant height while Pnigricans Plilacinum Ppurpurogenum (EPEHS7) Pasperum
Pthomii Pjavanicum and Ppurpurogenum (EPAER14) showed significant result in
natural soil Ppurpurogenum (EPEHS7) and Ppurpurogenum (EPAER15) showed
significant growth on Shoot weight in natural soil In natural soil greater root length was
showed by Plilacinum whereas in amended soil P restrictum Pasperum Pthomii and
Pjavanicum showed larger root length (Table 15)
75
Table14 Effect of endophytic Penicillium with neem cake on the infection of Fusarium solani Foxysporum Rhizoctonia solani and
Macrophomina phaseolinaon mung bean roots in green house experiment
Infection
Treatments Code Foxysporum
Fsolani
M phaseolina Rsolani
NS AS NS AS NS AS NS AS
Control hellip 50 312 100 75 100 50 0 562
Carbendazim hellip 125 62 50 312 187 25 0 25
P decumbens EPAIR6 125 25 375 437 187 437 0 125
Pnigricans EPSLR4 62 0 50 187 125 187 0 0
Pregulosum EPAAR5 125 187 437 50 312 50 62 562
P citrinum EPSMR1 62 62 437 75 0 0 62 62
Plilacinum EPSMS2 0 0 50 125 312 62 187 62
Ppurpurogenum EPSML3 0 25 375 50 25 25 437 187
Pduclauxi EPASS9 0 0 437 375 25 375 62 25
Plividum EPMCL12 62 25 25 687 125 375 62 50
Ppurpurogenum EPEHS7 62 125 375 312 187 187 62 25
Prestrictum EPCTS8 12 25 437 375 0 312 62 187
Pthomii EPAER11 62 62 437 25 125 312 0 0
Ppurpurogenum EPAER14 62 125 375 312 187 187 62 25
Pjavanicum EPSLR13 62 0 50 187 125 187 0 0
Pasperum EPHAL10 435 125 25 25 25 187 0 0
LSD005 Treatment=5611 Pathogen=2802 Soil Type=1983
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
3 Mean values in the NS and AS column showing difference greater than LSD value are significantly different at plt005
NS= Natural Soil AS=Amended Soil
76
Table15 Effect of endophytic Penicillium and neem cake on the growth of mung bean in green house experiment
Treatments Code Shoot Length
Shoot Weight
Root Length Root weight
(cm)
(g)
(cm)
(g)
NS AS NS AS NS AS NS AS
Control hellip 1375 1714 078 08 1531 4652 051 014
Carbendazim hellip 139 1865 073 1322 1556 473 056 015
P decumbens EPAIR6 1359 161 089 1055 1233 5002 055 023
Pnigricans EPSLR4 1463 1452 077 031 1125 6375 031 011
Pregulosum EPAAR5 1358 1775 073 0732 1943 4905 032 017
P citrinum EPSMR1 1299 1606 059 0617 165 477 039 016
Plilacinum EPSMS2 148 1685 083 0662 251 4175 046 022
Ppurpurogenum EPSML3 1299 1606 059 0617 165 477 039 016
Pduclauxi EPASS9 1187 1916 069 0855 1108 4562 017 016
Plividum EPMCL12 132 2147 061 1358 2252 4785 026 022
Ppurpurogenum EPEHS7 1448 1917 092 1115 1543 445 059 016
Prestrictum EPCTS8 1268 1874 068 1102 1087 702 031 02
Pthomii EPAER11 1463 179 077 1203 1125 7025 031 024
Ppurpurogenum EPAER14 1448 1917 092 1115 1543 445 059 016
Pjavanicum EPSLR13 1463 179 077 1203 1125 7025 031 024
Pasperum EPHAL10 1463 1874 077 1102 1125 702 031 02
LSD005 1611 4011 0191 2141 8421 1151 0171 0071
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
NS= Natural Soil AS=Amended Soil
77
374 Effect of Endophytic Penicillium and cotton cake in inhibition of root
diseases and mung bean growth
A 25 ml five-day-old cell suspension of fourteen isolates of endophytic
Penicillium viz P citrinum Plilacinum Ppurpurogenum (EPSML3) Pnigricans
Pregulosum P decumbens Ppurpurogenum (EPEHS7) P restrictum Pduclauxi
Pasperum Pthomii Plividum Pjavanicum and Ppurpurogenum (EPAER14) were
applied in clay pots filled with 1 Kg soil In similler set endophytic Penicillium were
drench in each pots alongwith 1 cotton cake Seeds of mungbean (Vigna radiata)
were sown Four seedlings were kept in each pot after germination Carbendazim (200
ppm) 25 ml pot considered as positive control
After 45 days data were noted Different Fsolani and Foxysporum infection
showed between plants treated with different isolates was significant Endophytic
Penicillium isolates separete or combine with cotton cake caused significant reduction
M phaseolina infection Plants grown in soil treated with Pnigricans Pregulosum P
decumbens Ppurpurogenum (EPEHS7) Pthomii Plividum Pjavanicum and
Ppurpurogenum (EPAER14) in cotton cake amended soil showed no infection of R
solani (Table 16)
Cotton cake and Pnigricans Pthomii Pjavanicum significant increased root
length and fresh root weight related to control plants While combine use of cotton cake
and P decumbens significantly improved fresh shoot weight (Table 17)
78
Table16 Effect of Endophytic Penicillium and cotton cake on the infection of Fusarium solani Foxysporum Rhizoctonia solani and
Macrophomina phaseolina on mungbean roots in green house experiment
Infection
Treatments Code Foxysporum
Fsolani
M phaseolina Rsolani
NS AS NS AS NS AS NS AS
Control hellip 50 50 100 75 100 75 0 187
Carbendazim hellip 125 50 50 75 187 75 0 187
P decumbens EPAIR6 125 0 375 312 187 375 0 0
Pnigricans EPSLR4 62 187 50 437 125 375 0 0
Pregulosum EPAAR5 125 62 437 125 312 187 62 0
P citrinum EPSMR1 62 25 437 437 0 437 62 187
Plilacinum EPSMS2 0 375 50 687 312 25 187 62
Ppurpurogenum EPSML3 0 437 375 50 25 687 437 185
Pduclauxi EPASS9 0 312 437 562 25 562 62 65
Plividum EPMCL12 62 125 25 25 125 25 62 0
Ppurpurogenum EPEHS7 62 0 375 312 187 125 62 0
Prestrictum EPCTS8 125 312 437 312 0 312 62 65
Pthomii EPAER11 62 187 437 437 125 375 0 0
Ppurpurogenum EPAER14 62 0 375 312 187 125 62 0
Pjavanicum EPSLR13 62 187 50 437 125 375 0 0
Pasperum EPHAL10 437 375 25 312 25 562 0 125
LSD005 Treatment=5891 Pathogen=2942 Soil Type=2083
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
3Mean values in the NS and AS column showing difference greater than LSD value are significantly different at plt005
NS= Natural Soil AS=Amended Soil
79
Table17 Effect of Endophytic Penicillium and Cotton cake on the growth of mung bean in green house experiment
Treatments Code
Shoot Length
Shoot Weight Root Length Root weight
(cm)
(g)
(cm)
(g)
NS AS NS AS NS AS NS AS
Control hellip 1375 1364 078 089 1531 613 051 031
Carbendazim hellip 139 1398 073 106 1556 699 056 038
P decumbens EPAIR6 1359 147 089 142 1233 79 055 039
Pnigricans EPSLR4 1463 1435 077 119 1125 1185 031 071
Pregulosum EPAAR5 1358 1322 073 101 1943 746 032 036
P citrinum EPSMR1 1299 1318 059 193 165 961 039 037
Plilacinum EPSMS2 148 1438 083 116 251 1096 046 045
Ppurpurogenum EPSML3 1299 1318 059 193 165 961 039 037
Pduclauxi EPASS9 1187 1438 069 13 1108 1178 017 048
Plividum EPMCL12 132 1323 061 107 2252 1024 026 048
Ppurpurogenum EPEHS7 1448 12875 092 107 1543 933 059 041
Prestrictum EPCTS8 1268 1453 068 128 1087 972 031 046
Pthomii EPAER11 1463 1435 077 119 1125 1185 031 071
Ppurpurogenum EPAER14 1448 12875 092 107 1543 933 059 041
Pjavanicum EPSLR13 1463 1435 077 119 1125 1185 031 071
Pasperum EPHAL10 1463 1453 077 128 1125 972 031 046
LSD005 1611 2661 0191 091 8421 271 0171 0291
1 Difference greater than LSD values among means in column are significant at plt005
NS= Natural Soil AS=Amended Soil
80
375 Effect of endophytic Penicillium in inhibition of root diseases and
mungbean growth
A 25 ml five-day-old cell suspension of fourteen isolates of endophytic
Penicillium viz P citrinum Plilacinum Ppurpurogenum (EPSML3) Pnigricans
Pregulosum P decumbens Ppurpurogenum (EPEHS7) P restrictum Pduclauxi
Pasperum Pthomii Plividum Pjavanicum and Ppurpurogenum (EPAER14) were
applied in clay pots filled with 1 Kg soil In similler set endophytic Penicillium were
drench in each pots alongwith 1 cotton cake Seeds of mungbean (Vigna radiata)
were sown Four seedlings were kept in each pot after germination Carbendazim (200
ppm) 25 ml pot considered as positive control
No infection of Foxysporum was found by Plilacinum and Pduclauxi
treatments Significant reduction in infection of Fsolani was seen by all isolates No
infection of Mphaseolina was showed by P citrinum and P restrictum All treatments
showed significant reduction on infection of Rsolani although Pnigricans P
decumbens Pthomii and Pjavanicum showed 0 infection (Table 18)
Application of Endophytic Pasperum caused a significant increase in plant
height Showed significant result in natural soil P citrinum caused significant growth
on Shoot weight Root length showed non-significant result P decumbens showed
greater fresh root weight (Table 19)
81
Table18 Effect of Endophytic Penicillium on the infection of Fusarium solani Foxysporum Rhizoctonia solani and
Macrophomina phaseolina on mung bean roots in green house experiment
Treatments Code Foxysporum Fsolani M phaseolina Rsolani
Infection
Control --------- 50 100 100 50
Carbendazim --------- 25 50 50 62
P decumbens EPAIR6 125 375 187 0
Pnigricans EPSLR4 62 50 125 0
Pregulosum EPAAR5 125 437 312 62
P citrinum EPSMR1 62 437 0 62
Plilacinum EPSMS2 0 50 312 187
Ppurpurogenum EPSML3 25 25 312 25
Pduclauxi EPASS9 0 437 25 62
Plividum EPMCL12 62 25 125 65
Ppurpurogenum EPEHS7 62 375 187 62
Prestrictum EPCTS8 125 437 0 62
Pthomii EPAER11 62 50 125 0
Ppurpurogenum EPAER14 62 375 187 62
Pjavanicum EPSLR13 62 50 125 0
Pasperum EPHAL10 437 25 25 62
LSD005 Treatment=7601 Pathogen=3802
82
Table19 Effect of endophytic Penicillium on the growth of mung bean in green house experiment
Treatments Code Shoot Lenght Shoot Weight Root Length Root weight
(cm) (g) (cm) (g)
Control ---------- 1475 0522 4972 0098
Carbendazim --------- 1635 0987 3737 009
P decumbens EPAIR6 1382 0799 4462 0154
Pnigricans EPSLR4 1088 0794 4467 0101
Pregulosum EPAAR5 1414 0737 391 0087
P citrinum EPSMR1 1344 0987 4617 0137
Plilacinum EPSMS2 1399 0823 4195 0128
Ppurpurogenum EPSML3 1344 0987 4617 0137
Pduclauxi EPASS9 1434 0696 4127 0096
Plividum EPMCL12 1639 0752 4147 0121
Ppurpurogenum EPEHS7 1471 0642 435 0085
Prestrictum EPCTS8 1468 0928 4153 0088
Pthomii EPAER11 1482 0711 3865 0072
Ppurpurogenum EPAER14 1471 0642 435 0085
Pjavanicum EPSLR13 1482 0711 3865 0072
Pasperum EPHAL10 1608 0787 3875 0066
LSD005 2891 0261 0741 0051
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
83
84
376 Effect of endophytic Penicillium in soil amended with neem cake in
inhibition the root diseases and tomato growth
In this experiment 25 ml of five-day-old cell suspension of fourteen isolates of
endophytic Penicillium viz P citrinum Plilacinum Ppurpurogenum (EPSML3)
Pnigricans Pregulosum P decumbens Ppurpurogenum (EPEHS7) P restrictum
Pduclauxi Pasperum Pthomii Plividum Pjavanicum and Ppurpurogenum
(EPAER14) were applied in each pots filled 1 Kg soil In same other set endophytic
Penicillium were applied in each pots alongwith 10g neem cake per pot Three-week-
old four equal sized tomato (Lycopersicon exculentum) seedlings grown in autoclaved
soil were shifted in pots Carbendazim (200 ppm) 25 ml pot considered as positive
control Treatments were replicated four times and data were noticed after 60 days
Application of endophytic P decumbens P citrinum and Pduclauxi and P
restrictum alone affected a complete suppression of Foxysporum infection Whereas
Pduclauxi was found no infection of Foxysporum when used with neem cake (Table
20) Endophytic Penicillium are found effective against Fsolani in both type of soil
When P decumbens and Pduclauxi were used alone Infection of M phaseolina was
significantly reduced In neem cake amended soil untreated control showed no infection
of M phaseolina Difference in R solani infection among plants received different
treatment was non significant in both type of soil natural and amended (Table 20)
Plants grown in natural soil received P decumbens Pnigricans Pduclauxi
Ppurpurogenum (EPAER14) and Pjavanicum fungal culture showed better growth
than untreated control Pasperum with neem cake showed highly significant plant
height of 24cm (Table 21 and Fig18-20)
85
Table20 Effect of endophytic Penicillium and neem cake on the infection of Fusarium solani Foxysporum Rhizoctonia solani and
Macrophomina phaseolina on tomato roots in green house experiment
Infection
Treatments Code Foxysporum
Fsolani
M phaseolina Rsolani
NS AS NS AS NS AS NS AS
Control hellip 437 312 625 625 312 0 312 0
Carbendazim hellip 562 187 312 437 875 187 375 0
P decumbens EPAIR6 0 437 62 562 187 125 75 0
Pnigricans EPSLR4 312 562 187 625 375 312 687 0
Pregulosum EPAAR5 25 562 437 562 312 0 437 62
P citrinum EPSMR1 0 50 62 625 625 62 75 0
Plilacinum EPSMS2 50 437 437 562 375 125 687 62
Ppurpurogenum EPSML3 50 62 437 312 437 125 437 0
Pduclauxi EPASS9 0 0 62 25 187 125 50 62
Plividum EPMCL12 50 437 437 562 375 0 687 62
Ppurpurogenum EPEHS7 62 187 312 25 375 25 375 125
Prestrictum EPCTS8 0 312 187 437 25 187 562 0
Pthomii EPAER11 187 562 312 562 50 312 562 0
Ppurpurogenum EPAER14 62 187 312 25 375 25 375 125
Pjavanicum EPSLR13 312 562 187 625 375 312 687 0
Pasperum EPHAL10 62 312 125 562 25 62 812 0
LSD005 Treatment=5921 Pathogen=2962 Soil Type=2093
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
3Mean values in the NS and AS column showing difference greater than LSD value are significantly different at plt005
NS= Natural Soil AS=Amended Soil
86
Table 21 Effect of endophytic Penicillium and neem cake on the growth of tomato in green house experiment
Treatments Code Shoot Length Shoot Weight Root Length Root weight
(cm) (g) (cm) (g)
NS AS NS AS NS AS NS AS
Control hellip 12 1544 18 407 126 333 155 063
Carbendazim hellip 1318 2362 177 802 943 637 134 156
P decumbens EPAIR6 1672 1131 243 153 1185 666 057 033
Pnigricans EPSLR4 1681 1357 247 201 1082 848 069 033
Pregulosum EPAAR5 1497 1841 211 295 1106 833 05 048
P citrinum EPSMR1 1732 1755 297 389 922 1149 064 056
Plilacinum EPSMS2 132 1303 193 254 1242 529 052 046
Ppurpurogenum EPSML3 128 1087 171 109 1078 612 054 025
Pduclauxi EPASS9 1672 2255 243 636 1185 597 057 11
Plividum EPMCL12 1307 1303 178 254 1242 529 052 046
Ppurpurogenum EPEHS7 1307 1581 178 382 1242 1025 054 094
Prestrictum EPCTS8 1513 1755 191 389 135 1149 046 056
Pthomii EPAER11 1328 1375 214 234 148 466 046 055
Ppurpurogenum EPAER14 1681 1581 178 382 1242 1025 048 094
Pjavanicum EPSLR13 1681 1357 247 201 1082 848 069 033
Pasperum EPHAL10 1328 2412 18 732 1225 775 06 126
LSD005 271 5171 0691 2091 3731 3031 1031 0631
1 Difference greater than LSD values among means in column are significant at plt005
NS= Natural Soil AS=Amended Soil
87
Fig18 Growth promotion by the endophytic Penicillium in tomato
EP
88
377 Effect of endophytic Penicillium in soil amended with cotton cake in
inhibition of root diseases and tomato growth
In this experiment 25 ml of five-day-old cell suspension of fourteen isolates of
endophytic Penicillium viz P citrinum Plilacinum Ppurpurogenum (EPSML3)
Pnigricans Pregulosum P decumbens Ppurpurogenum (EPEHS7) P restrictum
Pduclauxi Pasperum Pthomii Plividum Pjavanicum and Ppurpurogenum
(EPAER14) were applied in each pots filled 1 Kg soil In same other set endophytic
Penicillium were applied in each pots alongwith 10g neem cake per pot Three-week-old
four equal sized tomato (Solanum Lycopersicum) seedlings grown in autoclaved soil
were shifted in pots Carbendazim (200 ppm) 25 ml pot was considered as positive
control Treatments were replicated four times and data were recorded after 60 days
Application of endophytic P decumbens P citrinum Pduclauxi and P
restrictum alone affected a broad inhibition of Foxysporum infection Whereas
Pregulosum was found no infection of Foxysporum when used with cotton cake (Table
22) Endophytic Penicillium are found effective against Fsolani in natural soil In
cotton cake amended soil Pnigricans and Pduclauxi showed significant reduction in
Fsolani infection When P decumbens and Pduclauxi were used alone Infection of M
phaseolina was significantly reduced In cotton cake amended soil Pregulosum P
citrinum Plilacinum Ppurpurogenum (EPSML3) and Plividum showed no infection
of M phaseolina Difference in R solani infection among plants received different
treatment was non-significant in natural soil and in cotton cake amended soil no
infection of Rsolani was found (Table 22)
89
Table 22 Effect of endophytic Penicillium and cotton cake on the infection of Fusarium solani Foxysporum Rhizoctonia solani and
Macrophomina phaseolina on tomato roots in green house experiment
Infection
Treatments Code Foxysporum
Fsolani
M phaseolina Rsolani
NS AS NS AS NS AS NS AS
Control hellip 437 50 625 25 312 62 312 0
Carbendazim hellip 562 437 312 187 875 125 375 0
P decumbens EPAIR6 0 62 62 562 1875 187 75 0
Pnigricans EPSLR4 312 62 187 187 375 62 687 0
Pregulosum EPAAR5 25 0 437 437 312 0 437 0
P citrinum EPSMR1 0 62 62 562 625 0 75 0
Plilacinum EPSMS2 50 187 437 375 375 0 687 0
Ppurpurogenum EPSML3 50 187 437 62 437 0 437 0
Pduclauxi EPASS9 0 562 62 562 187 25 50 0
Plividum EPMCL12 50 187 437 375 375 0 687 0
Ppurpurogenum EPEHS7 62 125 312 437 375 125 375 0
Prestrictum EPCTS8 0 625 187 312 25 62 562 0
Pthomii EPAER11 187 312 312 25 50 125 562 0
Ppurpurogenum EPAER14 62 125 312 437 375 125 375 0
Pjavanicum EPSLR13 312 62 187 187 375 62 687 0
Pasperum EPHAL10 62 125 125 50 25 62 812 0
LSD005 Treatment=5691 Pathogen=2842 Soil Type=2013
1Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
3Mean values in the NS and AS column showing difference greater than LSD value are significantly different at plt005
NS= Natural Soil AS=Amended Soil
90
Plants grown in natural soil received P decumbens Pnigricans Pduclauxi
Ppurpurogenum (EPAER14) and Pjavanicum fungal culture showed better growth
than untreated control P restrictum with cotton cake showed highly significant plant
height Pnigricans and Pjavanicum showed greater fresh shoot weight in amended
soil Root length in both type of soil was non-significant Whereas fresh root weight
was non-significant in natural soil In cotton cake amended soil Pduclauxi showed
significant fresh root weight (Table 23 and Fig21)
378 Effect of endophytic Penicillium with neem cake in inhibition of root
diseases and chickpea growth
Fourteen isolates of endophytic Penicillium viz P citrinum Plilacinum
Ppurpurogenum (EPSML3) Pnigricans Pregulosum Pdecumbens Ppurpurogenum
(EPEHS7) P restrictum Pduclauxi Pasperum Pthomii Plividum Pjavanicum and
Ppurpurogenum (EPAER14) caused suppression of four root rotting fungi in vitro A
25ml cell suspension of five-day-old culture of fungal isolates were drench in each pots
filled with 1kg soil Carbendazim considered as positive control against root rotting
fungi Combine use of endophytic Penicillium and 1 Neem cake were drenched in
another same set Chickpea (Cicer arietinum) seeds were sown in pots (6 seeds per pot)
After one week four seedlings were kept in each pots and extra were detached
Treatments were replicated four times and watered daily Data were recorded after six
weeks
91
Table23 Effect of endophytic Penicillium and cotton cake on the growth of tomato in green house experiment
Treatments Code
Shoot
Length
Shoot
Length
Shoot
Weight
Shoot
Weight
Root
Length
Root
Length
Root
weight
Root
weight
(cm) (cm) (g) (g) (cm) (cm) (g) (g)
NS AS NS AS NS AS NS AS
Control hellip 12 1633 18 554 126 1757 155 105
Carbendazim hellip 1318 2232 177 666 943 2285 134 163
P decumbens EPAIR6 1672 205 243 539 1185 1225 057 125
Pnigricans EPSLR4 1681 225 247 83 1082 15 069 183
Pregulosum EPAAR5 1497 1978 211 548 1106 1046 05 153
P citrinum EPSMR1 1732 1912 297 512 922 9 064 155
Plilacinum EPSMS2 132 2347 193 741 1242 1298 052 156
Ppurpurogenum EPSML3 128 1725 171 465 1078 925 054 061
Pduclauxi EPASS9 1672 214 243 69 1185 153 057 237
Plividum EPMCL12 1307 2347 178 741 1242 1298 052 156
Ppurpurogenum EPEHS7 1307 2068 178 612 1242 1131 054 108
Prestrictum EPCTS8 1513 2467 191 828 135 1817 046 225
Pthomii EPAER11 1328 225 214 657 148 155 046 164
Ppurpurogenum EPAER14 1681 2068 178 612 1242 1131 048 108
Pjavanicum EPSLR13 1681 225 247 83 1082 15 069 183
Pasperum EPHAL10 1328 2101 18 525 1225 1095 06 135
LSD005 271 4291 0691 3281 3731 5851 1031 091
1 Difference greater than LSD values among means in column are significant at plt005
92
Fig 21 Growth promotion by the endophytic Penicillium in soil amended with cotton
cake in tomato
EP
93
Plants grown in pots received endophytic Penicillium isolates Ppurpurogenum
(EPSML3) and Pthomii in natural soil and in amended soil with neem cake P
decumbens Pnigricans Ppurpurogenum (EPSML3) Ppurpurogenum (EPEHS7)
Pjavanicum and Ppurpurogenum (EPAER14) showed no infection of F oxysporumIn
unamended soil Fsolani was found significantly reduced except isolate Pasperum
Whereas in amended soil infection of Fsolani was non significant In unamended soil
Mphaseolina was found significantly reduced Combine effect of isolates
Ppurpurogenum (EPSML3) Ppurpurogenum (EPEHS7) Ppurpurogenum (EPAER14)
and neem cake showed significant result on Mphaseolina infection Application of
Pregulosum P decumbens P restrictum Pduclauxi Pasperum and Pthomii showed
no infection of Rsolani in natural soil Amended soil with neem cake showed no
infection of Rsolani (Table 24)
Greater plant height was produced by P decumbens Pnigricans Pregulosum
and Pduclauxi when applied in natural soil Effect of P restrictum and P citrinum with
neem cake showed highest plant height Untreated control of amended soil showed
highest value of fresh shoot weight and fresh root weight related to other treatments
whereas fresh shoot weight in natural soil showed significant result in all treatments
except Pthomii P decumbens and Pduclauxi alone showed highest root length and
fresh root weight In amended soil Ppurpurogenum (EPAER14) showed significant
root length (Table 25 and Fig22-27)
94
Table24 Effect of endophytic Penicillium and neem cake on the infection of Fusarium solani Foxysporum Rhizoctonia solani and
Macrophomina phaseolina on chickpea roots in green house experiment
Infection
Treatments Code Foxysporum
Fsolani
M phaseolina Rsolani
NS AS NS AS NS AS NS AS
Control hellip 375 0 50 125 437 375 25 0
Carbendazim hellip 0 0 25 25 312 375 125 0
P decumbens EPAIR6 187 0 125 312 375 687 0 0
Pnigricans EPSLR4 125 0 312 437 375 562 375 0
Pregulosum EPAAR5 62 62 187 437 375 50 0 0
P citrinum EPSMR1 312 187 187 312 375 50 187 0
Plilacinum EPSMS2 62 62 437 125 62 625 25 0
Ppurpurogenum EPSML3 0 0 375 25 62 312 62 0
Pduclauxi EPASS9 187 375 125 25 375 50 0 0
Plividum EPMCL12 62 62 437 125 62 625 25 0
Ppurpurogenum EPEHS7 187 0 25 375 125 312 62 0
Prestrictum EPCTS8 375 375 25 25 125 50 0 0
Pthomii EPAER11 0 187 437 187 62 25 0 0
Ppurpurogenum EPAER14 187 0 25 375 125 312 62 0
Pjavanicum EPSLR13 312 0 187 43 312 562 375 0
Pasperum EPHAL10 125 62 50 125 125 812 0 0
LSD005 Treatment=4901 Pathogen=2452 Soil Type=1733
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
3Mean values in the NS and AS column showing difference greater than LSD value are significantly different at plt005
NS= Natural Soil AS=Amended Soil
95
Table25 Effect of endophytic Penicillium and neem cake on the growth of chickpea in green house experiment
Treatments Code Shoot Length Shoot Weight Root Length Root weight
(cm) (g) (cm) (g)
NS AS NS AS NS AS NS AS
Control hellip 2369 2225 274 837 274 975 211 303
Carbendazim hellip 239 2975 32 821 2187 1537 376 235
P decumbens EPAIR6 2925 2911 376 388 3037 1293 522 116
Pnigricans EPSLR4 293 3357 339 661 2331 1391 376 12
Pregulosum EPAAR5 2928 3315 332 633 2296 9 387 117
P citrinum EPSMR1 267 3384 313 668 2397 975 394 098
Plilacinum EPSMS2 2768 2801 31 698 2155 1132 35 109
Ppurpurogenum EPSML3 2587 3332 3075 738 267 137 432 141
Pduclauxi EPASS9 2925 2911 376 388 3037 1293 522 116
Plividum EPMCL12 2768 2801 31 698 2155 1132 35 109
Ppurpurogenum EPEHS7 2698 3077 326 506 2202 1565 413 139
Prestrictum EPCTS8 2667 3384 3205 668 2735 975 351 098
Pthomii EPAER11 239 30 296 799 2416 1062 427 125
Ppurpurogenum EPAER14 2698 3077 326 506 2202 1565 413 139
Pjavanicum EPSLR13 2618 3357 341 661 2587 1391 438 12
Pasperum EPHAL10 2856 2891 344 763 1921 1352 306 13
LSD005 471 4931 0941 3331 7321 5451 1611 11071
1 Difference greater than LSD values among means in column are significant at plt005
NS= Natural Soil AS=Amended Soil
96
Fig22 Growth promotion by the endophytic Penicillium in chickpea
Fig23 Growth promotion by the endophytic Penicillium in chickpea
EP
S
EP
97
Fig24 Growth promotion by the endophytic Penicillium in chickpea
EP
EP
98
Fig25 Growth promotion by the endophytic Penicillium in soil amended with neem cake
in chickpea
Fig 26 Growth promotion by the endophytic Penicillium in soil amended with neem cake
in chickpea
EP
EP
99
Fig27 Growth promotion by the endophytic Penicillium in soil amended with neem cake
in chickpea
379 Effect of endophytic Penicillium with mustard cake in suppressing the root
diseases and growth of chickpea
Fourteen isolates of endophytic Penicillium viz P citrinum Plilacinum
Ppurpurogenum (EPSML3) Pnigricans Pregulosum P decumbens Ppurpurogenum
(EPEHS7) P restrictum Pduclauxi Pasperum Pthomii Plividum Pjavanicum and
Ppurpurogenum (EPAER14) caused suppression of four root rotting fungi in vitro A
25ml cell suspension of five-day-old culture of fungal isolates were drench in each pots
filled with 1kg soil Carbendazim considered as positive control against root rotting
fungi Combine use of endophytic Penicillium and 1 mustared cake were drenched in
another same set Chickpea (Cicer arietinum) seeds were sown in pots (6 seeds per pot)
After one week four seedlings were kept in each pots and extra were detached
Treatments were replicated four times and watered daily Data were recorded after six
weeks
Root rot fungi infection was less in amended soil as compared to unamended
soil No infection of Foxysporum was found in Ppurpurogenum (EPSML3) and
Pthomii in unamended soil P citrinum Ppurpurogenum (EPSML3) Pnigricans
Pregulosum P decumbens Ppurpurogenum (EPEHS7) Pduclauxi Pjavanicum and
Ppurpurogenum (EPAER14) with mustard cake amendment showed complete
suppression of Foxysporum P decumbens and Ppurpurogenum (EPSML3) in
amended soil showed less infection of Fsolani while Plividum showed 100 infection
of Fsolani in amended soil Infection of M phaseolina in unamended soil was
significant whereas in amended soil untreated control showed no infection of M
phaseolina Treatment of Pthomii and Ppurpurogenum (EPAER14) in mustard cake
amended soil showed less infection of R solani while P citrinum Pnigricans
Pregulosum Pduclauxi Pjavanicum and Plividum showed non-significant result
(Table 26)
100
Natural soil showed greater plant height as compared to mustard cake amended
soil Pnigricans showed greater plant length as compared to other treatments In
amended soil plant height was non-significant statisticaly (Table 27)
101
Table 26 Effect of endophytic Penicillium and mustard cake on the infection of Fusarium solani Foxysporum Rhizoctonia solani and
Macrophomina phaseolina on chickpea roots in green house experiment
Infection
Treatments Code Foxysporum Fsolani M phaseolina Rsolani
NS AS NS AS NS AS NS AS
Control hellip 375 125 50 312 437 0 25 187
Carbendazim hellip 0 125 25 437 312 62 125 125
P decumbens EPAIR6 187 0 125 62 375 0 0 0
Pnigricans EPSLR4 125 0 312 437 375 187 375 437
Pregulosum EPAAR5 62 0 187 312 375 187 0 25
P citrinum EPSMR1 312 0 187 625 375 187 187 312
Plilacinum EPSMS2 62 62 437 50 62 25 25 125
Ppurpurogenum EPSML3 0 0 375 6 62 0 62 125
Pduclauxi EPASS9 187 0 125 625 375 62 0 312
Plividum EPMCL12 62 62 437 100 62 25 25 312
Ppurpurogenum EPEHS7 187 0 25 187 125 0 62 125
Prestrictum EPCTS8 375 62 25 125 125 125 0 62
Pthomii EPAER11 0 62 437 125 62 62 0 62
Ppurpurogenum EPAER14 187 0 25 187 125 125 62 125
Pjavanicum EPSLR13 312 0 187 312 31 187 375 437
Pasperum EPHAL10 125 0 50 187 125 0 0 0
LSD005 Treatment=4461 Pathogen=2232 Soil Type=1583
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
3Mean values in the NS and AS column showing difference greater than LSD value are significantly different at plt005
NS= Natural Soil AS=Amended Soil
102
Table 27 Effect of endophytic Penicillium and mustard cake on the growth of chickpea in green house experiment
Treatments Code Shoot Length Shoot Weight Root Length Root weight
(cm) (g) (cm) (g)
NS AS NS AS NS AS NS AS
Control hellip 2369 2188 274 406 274 692 211 58
Carbendazim hellip 239 2134 32 42 2187 937 376 499
P decumbens EPAIR6 2925 1525 376 288 3037 75 522 53
Pnigricans EPSLR4 293 1955 339 476 2331 758 376 137
Pregulosum EPAAR5 2928 1907 332 633 2296 875 387 1238
P citrinum EPSMR1 267 1916 313 556 2397 756 394 1172
Plilacinum EPSMS2 2768 1929 31 417 2155 946 35 383
Ppurpurogenum EPSML3 2587 12 3075 241 267 65 432 532
Pduclauxi EPASS9 2925 192 376 561 3037 1115 522 819
Plividum EPMCL12 2768 1929 31 417 2155 946 35 383
Ppurpurogenum EPEHS7 2698 1787 326 55 2202 925 413 734
Prestrictum EPCTS8 2667 185 3205 315 2735 45 351 099
Pthomii EPAER11 239 2305 296 626 2416 9 427 931
Ppurpurogenum EPAER14 2698 1787 326 55 2202 925 413 739
Pjavanicum EPSLR13 2618 2305 341 626 2587 9 438 931
Pasperum EPHAL10 2856 1662 344 582 1921 925 306 834
LSD005 471 6131 0941 3011 7321 2921 1611 6151
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
NS=NaturalSoilAS=AmendedSoil
103
3710 Effect of endophytic Penicillium and fungicides in inhibition of root infection
and sunflower growth
Four isolates of endophytic Penicillium viz P citrinum (EPSMR1) Pnigricans
(EPSLR4) P decumbens (EPAIR6) and Pasperum (EPHAL10) caused suppression of
four root rotting fungi in vitro and revealed significant growth in in vivo were selected to
evaluate the combine effect with three different fungicides (Feast-M Carbendazim and
Topsin-M) A 25ml five-day-old cell suspension of fungal isolates were applied in pots
filled with 1kg soil In same other set pots were also applied combine application of
endophytic Penicillium and fungicides Each fungicide were also drench 25ml of 200ppm
in each pot Sunflower (Helianthus annuus) seeds were sown in pot (6 seeds per pot)
After one week four seedlings were kept in pots and extra were detached Treatments were
replicated four times and watered according to requirement Data were recorded after six
weeks
All three fungicides alone showed no infection of F oxysporum Plants grown in pots
received endophytic Penicillium isolate P decumbens and Pasperum with Feast-M showed
no infection of infection of F oxysporum Plants grown in pots received endophytic
Penicillium isolate Pnigricans with carbendazim and Pnigricans and P citrinum with
Topsin-M showed complete suppression of infection of F oxysporum All treatments
showed less infection of Fsolani as compared to control All treatments showed less
infection of Mphaseolina as compared to untreated control except P citrinum Pnigricans
alone and P decumbens Pasperum combine with Topsin-M showed 100 Mphaseolina
infection on sunflower roots Combine effect of Pasperum with Topsin-M and P citrinum
alone showed no infection of Rsolani Feast-M+ Pasperum and carbendazim showed no
difference from untreated control (Table 28)
Greater plant height was produced by carbendazim+ Pnigricans However greater
fresh shoot weight was produced by Feast-M alone (Table 29)
104
Table 28 Effect of endophytic Penicillium and fungicides on the infection of Fusarium solani Foxysporum Rhizoctonia solani and
Macrophomina phaseolina on sunflower roots in green house experiment
Infection
Treatments Foxysporum Fsolani M phaseolina Rsolani
Control 75 100 100 75
Feast-M 0 37 687 625
Feast-M+ P citrinum 62 75 625 687
Feast-M+ Pnigricans 187 812 687 687
Feast-M+ P decumbens 0 312 50 625
Feast-M+ Pasperum 0 50 81 75
Carbendazim 0 812 75 75
Carbendazim+P citrinum 62 562 87 687
Carbendazim+ Pnigricans 0 75 625 187
Carbendazim+P decumbens 62 812 812 687
Carbendazim+ Pasperum 187 562 75 312
Topsin-M 0 437 812 62
Topsin-M+ P citrinum 0 812 437 125
Topsin-M+ Pnigricans 0 75 312 437
Topsin-M+P decumbens 687 687 100 25
Topsin-M+ Pasperum 875 25 100 0
P citrinum 437 687 100 0
Pnigricans 125 812 100 62
P decumbens 187 50 437 187
Pasperum 125 50 562 125
LSD005 Treatment=11271 Pathogen=5042
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
105
Table 29 Effect of endophytic Penicillium and fungicides on the growth of sunflower in green house experiment
Treatments ShootLength ShootWeight Root Length Root weight
Control 3197 339 288 288
Feast-M 4269 451 526 526
Feast-M+ P citrinum 4024 367 434 434
Feast-M+ Pnigricans 4008 347 381 381
Feast-M+ P decumbens 4137 348 513 513
Feast-M+ Pasperum 3685 341 492 492
Carbendazim 3675 319 398 398
Carbendazim+ P citrinum 3933 326 464 464
Carbendazim+ Pnigricans 394 323 466 466
Carbendazim+ P decumbens 3807 315 527 527
Carbendazim+ Pasperum 3729 259 47 47
Topsin-M 3935 314 383 383
Topsin-M+ P citrinum 3353 264 388 388
Topsin-M+ Pnigricans 3386 299 427 427
Topsin-M+ P decumbens 337 229 409 409
Topsin-M+ Pasperum 3249 264 433 433
P citrinum 3268 249 432 432
Pnigricans 2788 201 401 401
P decumbens 3421 3007 446 446
Pasperum 3262 229 363 363
LSD005 5751 0811 1041 1041
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
106
3711 Effect of endophytic Penicillium on okra growth
In this experiment six seeds of okra (Abelmoschus esculentus) were sown in
earthen pots filled with 5 kg garden soil and watered watered daily to gained the 50
WHC (Keen and Raczkowiski 1921) P nigricans (EPSLR4) P rugulosum (EPAAR5)
and P decumbens (EPAIR6) (8x107 cfumL) used as soil drench in each pot and four
seedlings were kept after germination Treatments were replicated four times in screen
house Carbendazim was considered as a positive control and data were recorded after 90
days of germination
Treatments showed significant (Plt005) reduction of F solani and R solani
related to control (Table 30)
Application of P rugulosum resulted maximum plant height highest shoot weight
and root length while maximum root weight produced due to the treatment of carbendazim
and P decumbens Maximum number of fruits produced by Pnigricans and P decumbens
resulted highest fresh fruit weight(Table 31)
Highest polyphenol content resulted by Pnigricans and highest antioxidant activity
determined due to the drenching of Pnigricans after 1 minute and after 30 minute
Application of P rugulosum resulted maximum production of salicylic acid (Table 31)
Application of antagonist showed significant outcome on okra fruits Highest pH
showed by Pnigricans Application of P decumbens resulted highest tritable acidity value
then in Pnigricans and P rugulosum (Table 33) Application of carbendazim resulted
highest moisture content then in P rugulosum in fruits Maximum protein resulted by P
rugulosum then in P decumbens while highest carbohydrate caused by P decumbens
then in Pnigricans All the treatments showed significant (Plt005) Increased polyphenol
content showed by all treatments as compared to control (Table 34) P decumbens
resulted highest polyphenol followed by P rugulosum as compared to untreated plants P
rugulosum resulted significant improve in antioxidant potentail(Fig28)
107
Table30 Effect of endophytic Penicillium as soil drench on the infection of Macrophomina phaseolina Rhizoctonia solani Fusarium
solani and F oxysporum in garden soil
Infection
Treatments Foxysporum Fsolani M phaseolina Rsolani
Control 0 50 625 50
Carbendazim 0 125 100 312
P decumbens 0 0 625 312
Pnigricans 0 62 50 125
P rugulosum 0 187 562 25
LSD005 Treatment=14321 Pathogen=12802
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
108
Table31 Effect of endophytic Penicillium as soil drench on growth of okra plants in garden soil
Treatments Shoot Length Shoot Weight Root Length Root Weight Number of
Fruits Fruit weight
(cm) (g) (cm) (g)
Control 3831 1058 1596 305 023c 708c
Carbendazim 3421 832 1659 546 045b 683c
P decumbens 4523 1167 1756 438 052a 1106a
Pnigricans 4265 1172 1794 188 054a 894b
P rugulosum 4592 1295 1967 2405 025c 533d
LSD005 511 4281 3431 581 00261 04841
1 Difference greater than LSD values among means in column are significant at plt005
109
Table32 Effect of endophytic Penicillium as soil drench on polyphenol salicylic acid and antioxidant activity of okra plants in garden
soil
Treatments Polyphenol Antioxidant () Salicylic Acid
microgml After 1 minute After 30 minutes microgml
Control 137e 2711e 2878e 0053d
Carbendazim 172d 4608d 4908d 0048e
P decumbens 308c 4974c 5256c 0093c
Pnigricans 424a 5744a 6229a 0116b
P rugulosum 364b 5393b 5859b 0161a
LSD005 00311 01361 04211 00041
1 Difference greater than LSD values among means in column are significant at plt005
110
Table33 Effect of endophytic Penicillium as soil drench on biochemical parameters of ok ra fruits
Treatments pH Tritable acidity Moisture content Total solids Total Soluble Solid
Sucrose
Control 587c 0087c 8668d 1353b 245d
Carbendazim 585c 013b 9175a 803e 257c
P decumbens 59c 0194a 8434e 1559a 31a
Pnigricans 629a 0128b 8715c 1287c 28b
P rugulosum 605b 0128b 8808b 1185d 317a
LSD005 0121 000571 0211 01031 0121
1 Difference greater than LSD values among means in column are significant at plt005
111
Table 34 Effect of endophytic Penicillium as soil drench on polyphenol antioxidant activity protein and carbohydrates of okra fruits
in garden soil
Treatments Antioxidant Polyphenol Protein Carbohydrates
microgml microgml microgml
Control 2647e 665e 13e 69d
Carbendazim 3575d 734d 27d 86c
P decumbens 4906c 1613a 5263b 1033a
Pnigricans 5115b 96c 39c 99b
P rugulosum 5631a 122b 5566a 9833b
LSD005 10591 01441 21941 3711
1 Difference greater than LSD values among means in column are significant at plt005
112
3712 Effect of endophytic Penicillium on the growth root rotting fungi and
induction of systemic resistance in tomato
Filled earthen pots with 5 kg of soil and watered according to requirement to
maintain 50 WHC (Keen and Raczkowiski 1921) P nigricans (EPSLR4) P
rugulosum (EPAAR5) and P decumbens (EPAIR6) (8x107 cfumL) used as soil drench
Four equal sized seedlings of tomato were transfered in pots Treatments were four time
replicated Carbendazim was considered as a positive control and data were recorded
after 90 days
Most of the treatment showed significant (Plt005) results of R solani F solani
and M phaseolina as relation to control plants (Table 35)
Application of Pnigricans showed highest plant height shoot weight by P
decumbens Maximum number of fruits produced by Pnigricans and P decumbens
resulted highest fresh fruit weight(Table 36)
P rugulosum showed improved polyphenol as compare to control plants
Highest antioxidant activity resulted by P decumbens and carbendazim after 1 minute
and after 30 minute P rugulosum showed highest antioxidant activity Application of
Pnigricans and P decumbens resulted maximum production of salicylic acid (Table
37)
Application of endophytic Penicillium showed significant effect on tomato
fruits Highest pH noticed when soil treated with Pnigricans and P decumbens
Maximun tritable acidity produced by P decumbens (Table 38) Highest protein
produced by P rugulosum then in P decumbens while carbohydrate resulted by
Pnigricans followed by P decumbens All the treatments showed increase polyphenol
content as compare to control (Table 39) Pnigricans showed significant enhancment in
antioxidant activity related to control
113
Table35 Effect of endophytic Penicillium as soil drench on the infection of Macrophomina phaseolina Rhizoctonia solani Fusarium
solani and F oxysporum in garden soil
Infection
Treatments Foxysporum Fsolani M phaseolina Rsolani
Control 312 100 937 562
Carbendazim 187 125 625 0
P decumbens 437 62 312 0
Pnigricans 312 0 187 25
P rugulosum 187 0 187 312
LSD005 Treatment1=1455 Pathogen2=1302
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
114
Table36 Effect of endophytic Penicillium as soil drench on growth of tomato plants in garden soil
Treatments Shoot Length Shoot Weight Root Length Root Weight Number of Fruits Fruit weight
(cm) (g) (cm) (g)
Control 52 1974 1816 35 30a 5801b
Carbendazim 4646 1322 1629 237 20c 4083a
P decumbens 443 2161 1283 418 2133c 995a
Pnigricans 55 1892 1561 315 32a 4286d
P rugulosum 5197 1695 1205 334 256b 4779c
LSD005 1481 18611 5391 4011 3781 0131
1 Difference greater than LSD values among means in column are significant at plt005
115
Table 37 Effect of endophytic Penicillium as soil drench on polyphenol salicylic acid and antioxidant activity of tomato plants in
garden soil
Treatments Polyphenol Antioxidant () Salicylic Acid
microgml After 1 minute After 30 minutes microgml
Control 090a 40a 139a 014a
Carbendazim 019a 49a 127a 018a
P decumbens 0076a 44a 131a 019a
Pnigricans 0076a 33a 103a 019a
P rugulosum 0108a 33a 292a 017a
LSD005 01081 01671 0301 00791
1 Difference greater than LSD values among means in column are significant at plt005
116
Table 38 Effect of endophytic Penicillium as soil drench on biochemical parameters of tomato fruits
Treatments pH Tritable acidity Firmness Total Soluble Solid
N Sucrose
Control 411c 023c 34a 323c
Carbendazim 418b 027bc 143b 806a
P decumbens 43a 034a 076b 676ab
Pnigricans 43a 030ab 126bc 613b
P rugulosum 418b 030ab 086bc 686ab
LSD005 00621 00541 0211 1311
1 Difference greater than LSD values among means in column are significant at plt005
117
Table 39 Effect of endophytic Penicillium as soil drench on polyphenol antioxidant activity protein and carbohydrates of tomato
fruits in garden soil
Treatments Antioxidant Polyphenol Protein Carbohydrates
microgml microgml microgml
Control 1966c 573e 16d 63a
Carbendazim 333b 756d 28c 78a
P decumbens 503a 1853a 51a 104a
Pnigricans 52a 1026c 41b 97a
P rugulosum 496a 125b 52a 96a
LSD005 5591 0471 5771 2391
1 Difference greater than LSD values among means in column are significant at plt005
118
38 FIELD EXPERIMENTS
381 Effect of Pseudomonas monteilii and endophytic Penicillium on okra growth in
field condition
The experiment carried out in 2 times 2 meter field and replicated four times Cell
suspension of endophytic Penicillium (8x107 cfumL) were drench at 200-ml per meter row
alone and in combination with Pseudomonas monteilii 20 seeds of okra were seeded in
rows Topsin-M at 200 ppm were also used alone as a positive control On the basis upon
the requirement plants were watered with difference of 2-3 days The field had infestation
of 2080 cfug of soil of a diverse population of F solani and F oxysporum 10-22
sclerotia of M phaseolina g of soil and 8-17 colonization of R solani on sorghum
seeds used as baits naturally To evaluate the potential of Pseudomonas monteilii and
endophytic Penicillium plants were harvested (form each row 4 plants took) after 45 and
90 days of germination Incidence of root rotting fungi plant physical parameters and
resistance biomarkers were recorded
Significant (Plt005) inhibition of F oxysporum showed by most of treatments as
compere to control except P rugulosum P decumbens + Pseudomonas monteilii and
Topsin-M after 45 days (Table 40) Maximum reduction of Fsolani were observed in
plants treated with Pseudomonas monteilii and Pnigricans + Pseudomonas monteilii after
45 days While maximum reduction of M phaseolina observed in application of P
rugulosum+ Pseudomonas monteilii after 45 days Application of P rugulosum+
Pseudomonas monteilii and Pnigricans showed maximum reduction of Rsolani after 45
days
Highest length of shoot and weight of shoot were observed in plants Maximum
plant hieght were observed after 45 and 90 days intervals with mixed application of
Pnigricans with Pseudomonas monteilii Highest weight of shoot were also observed in
combine application of Pnigricans with Pseudomonas monteilii after 45 and 90 days
while application of Pseudomonas monteilii resulted maximum length of root after 45
days Significant increase in root length produced after 90 days from combine application
of Pnigricans with Pseudomonas monteilii Highest root weight resulted from combine
119
application of Pnigricans with Pseudomonas monteilii after 45 and 90 days Combine
application of P decumbens with Pseudomonas monteilii resulted highest number and
weight of fruits produced after 90 days (Table 41)
After 45 days most of the treatments shown significantly high phenols except
Topsin-M Most of the treatments shown maximum antioxidant activity significantly
except P rugulosum after 1 minute whereas maximum antioxidant activity showed by
Pseudomonas monteilii after 30 minutes P decumbens showed maximum production of
salicylic acid after 45 days (Table 42)
All the treatment showed significant effect on phenolic content except Topsin-M
and P decumbens whereas all the treatment showed significant effect on antioxidant
activity except Topsin-M and P decumbens with Pseudomonas monteilii after 1 and 30
minutes after 90 days Maximum production of salicylic acid showed in combine treatment
of Pnigricans with Pseudomonas monteilii after 90 days (Table 43)
In this experiment combine application of Pseudomonas monteilii and endophytic
Penicillium showed significant increase in physiobiochemical of okra fruits Combine
activity of Pnigricans + Pseudomonas monteilii resulted highest antioxidant activity in
fruits followed by Pseudomonas monteilii alone Highest polyphenol content resulted due
to the application of Pseudomonas monteilii followed by combine application of P
rugulosum with Pseudomonas monteilii Protein were showed maximum in combine
application of P decumbens with Pseudomonas monteilii and Pseudomonas monteilii
alone (Table 44) On the other side carbohydrate content observed highest in combine
application of P rugulosum with Pseudomonas monteilii Application of Pseudomonas
monteilii resulted maximum of total solids whereas combination of P rugulosum with
Pseudomonas monteilii produced highest of moisture Significant increase in pH showed
by Topsin-M followed by combination of Pnigricans with Pseudomonas monteilii and
maximum tritable acidity was showed by P decumbens (Table 45)
120
Table 40 Effect of Pseudomonas monteilii and endophytic Penicillium as soil drench on the infection of M phaseolina Rsolani F
solani and F oxysporum in soil under field condition
Infection
Treatments Foxysporum Fsolani M phaseolina Rsolani
45 90 45 90 45 90 45 90
Control 375 0 562 312 937 100 562 0
Topsin-M 375 0 625 25 937 100 687 0
Pseudomonas monteilii 25 62 25 312 875 100 625 0
P decumbens 62 0 50 375 68 100 375 0
Pnigricans 125 187 562 687 875 100 312 0
P rugulosum 312 62 562 375 812 100 437 0
P rugulosum + Pseudomonas monteilii 187 12 312 50 625 937 312 0
P decumbens + Pseudomonas monteilii 312 62 437 25 812 687 562 0
Pnigricans + Pseudomonas monteilii 62 125 25 375 687 625 75 0
LSD005 Treatments1= 8931 Pathogens2=5952 Treatments1=13341 Pathogens2=8 892
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
121
Table 41 Effect of Pseudomonas monteilii and endophytic Penicillium as soil drench on growth of okra plants under the field
condition
Treatments Shoot Length
(cm)
Shoot Weight
(g)
Root Length
(cm)
Root Weight
(g)
Number
of Fruits
Fruit
weight
Control 45 90 45 90 45 90 45 90 90 90
Topsin-M 4178 6192 2228 4325 1368 2426 204 823 086g 246i
Pmontelii 422 6375 1765 4731 1267 2377 133 98 12f 31h
Penicillium decumbens 477 6861 2271 507 1839 2684 255 1056 246b 456d
P nigricans 4233 6617 1971 4887 1486 2578 167 1003 143e 1146a
Prugulosum 4866 7083 1635 5095 1378 2311 172 967 176d 331g
P rugulosum 4373 7026 2063 2051 1371 2464 169 709 123f 35f
P rugulosum + P monteilii 5768 8658 3164 5518 1167 3008 207 1208 143e 42e
P decumbens + P monteilii 5553 9499 1867 5897 1409 2938 187 1217 277a 661b
Pnigricans + P monteilii 5907 9867 4043 6095 14 3188 296 1923 22c 623c
LSD005 961 1321 131 1181 3551 1371 0831 2961 0111 0111
1 Difference greater than LSD values among means in column are significant at plt005
122
Table 42 Effect of Pseudomonas monteilii and endophytic Penicillium as soil drench on polyphenol salicylic acid and antioxidant
activity of okra plants in soil under field condition after 45 days
Treatments
Polyphenol
microgml
Antioxidant () Salicylic Acid
microgml After 1 minute After 30 minutes
Control 183h 7314e 7721e 007f
Topsin-M 146i 9119a 9886a 0113d
Pseudomonas monteilii 321f 784d 8466d 0144c
P decumbens 245g 6639g 6858g 0168a
Pnigricans 573c 8044c 8852c 0084e
P rugulosum 474d 7074f 7643f 0154bc
P rugulosum + P monteilii 336e 5045i 6038h 0105d
P decumbens + P monteilii 713b 5186h 5779i 0086e
Pnigricans + P monteilii 773a 8356b 8992b 0165ab
LSD005 00721 10191 06531 00121
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
123
Table 43 Effect of Pseudomonas monteilii and endophytic Penicillium as soil drench on polyphenol salicylic acid and antioxidant
activity of okra plants in soil under the field condition after 90 days
Treatments Polyphenol
microgml
Antioxidant () Salicylic Acid
microgml After 1 minute After 30 minutes
Control 25def 6656e 7135f 0038g
Topsin-M 183f 4922f 5575g 0074bc
Pseudomonas monteilii 326cde 8345a 8885a 0052e
P decumbens 226ef 7804b 8539b 0072c
Pnigricans 52b 7726c 8233c 0066d
P rugulosum 41c 7165d 7851d 0042f
P rugulosum + P monteilii 343cd 7744c 8241c 0066d
P decumbens + P monteilii 683a 3254g 4917h 0077b
Pnigricans + P monteilii 74a 6852e 7604e 0105a
LSD005 10061 05191 04731 0003081
1 Difference greater than LSD values among means in column are significant at plt005
124
Table44 Effect of Pseudomonas monteilii and endophytic Penicillium as soil drench on polyphenol antioxidant activity protein and
carbohydrates of okra fruits in soil under field condition
Treatments Antioxidant Polyphenol Protein Carbohydrate
microgml microgml microgml
Control 5102g 646g 1466g 5966f
Topsin-M 5514f 716f 2566f 67e
Pseudomonas monteilii 6662b 136a 6766a 126a
P decumbens 5933d 976d 56d 101b
Pnigricans 5838d 816e 43e 92d
P rugulosum 6521c 114c 59c 96c
P rugulosum + P monteilii 5659e 124b 66b 102b
P decumbens + P monteilii 6616bc 11c 6766a 100b
Pnigricans + P monteilii 6909a 86e 56d 97c
LSD005 10451 06241 14081 2471
1 Difference greater than LSD values among means in column are significant at plt005
125
Table 45 Effect of Pseudomonas monteilii and endophytic Penicillium as soil drench on
biochemical parameters of okra fruits under field condition
Treatments pH
Tritable
acidity
Moisture
content
Total
solids
Total Soluble
Solid
Sucrose
Control 624a 0102c 8774b 1222f 1425e
Topsin-M 619ab 0126b 8653e 1339b 1475e
Pseudomonas monteilii 615b 0124b 8458f 1522a 2975d
P decumbens 606d 0185a 8632e 1355b 3125cd
Pnigricans 613bc 0127b 8752bcd 1249de 33bc
P rugulosum 607cd 0124b 8735cd 1256d 302d
P rugulosum + P monteilii 606d 0123b 8842a 117g 375a
P decumbens + Pmonteilii 603d 0122b 876bc 1233ef 342b
Pnigricans + P monteilii 616b 0125b 8723d 128c 305d
LSD005 00641 00041 03021 0171 02221
1 Difference greater than LSD values among means in column are significant at plt005
126
127
128
4 DISCUSSION
Microbes and Higher plants are the rich source of novel drugs In last 50 years
numerous effective drugs primarily extracted from fungi have been discoverd
(Smedsgaard and Nielsen 2005) Among them many bioactive compounds have been
produced from endophytes also known as an exceptional source as its capability to
inhabitate the plants in every environmental condition (Strobel and Daisy 2003) In
current study 14 endophytic Penicillium isolates were isolated (root stem and leaves)
from wild plants (Achyranthus aspera Atriplex stocksii Euphorbia hirta Chorchorus
tridens) and cultivated plant (Solanum melongena Lycopersicon esculentum
Helianthus annuus Azadirachta indica Abelmoschus esculentus Momordica
charantia) collected from different parts of Sindh province These findings is an
agreement to the earlier reports about the existence of Penicillium as endophyte
(Korejo et al 2014) Similar as (Ravindran et al 2012) A flavus from
mangrovesreported as an endophytes also
The microbes exist inter andor intra celluler of plant called ldquoendophytesrdquo
Endophytes gives variety of advantages to the host with vast applications in agriculture
and medicine (Clay and Rudgers 2005 Alvarez-Loayza 2011) Endophytes reside
inside the plant effects on plant health and survival They give strenght against abiotic
and biotic stresses and take nourishment from the plant Almost all vascular plants
studied till date have endophytic fungi in parts of their life cycle Plant pathogens and
pests are comparatively less attacked medicinal plants therefore endophytic micro-biota
can be of boundless significance in protecting plants from pests (Kaushik 2012)
Several studies on synthesis of secondry metabolites isolated from endophytic
fungi have found Among them some compounds used to discover new therapeutic
drugs (Strobel et al 2004) About 300000 plant species presented on land having
atleast one or more of fungi From many different plants including trees like yew and
pine and fodders like sorghum clover alfalfa and vegetables like tomatoes carrot
radish sweet potatoes lettuce and soybean fruits like citrus pineapple banana
pineapple and cereal grains like wheatrice and maizeand other crops like sugarcane
129
coffee and marigold have been examined for endophytes (Rosenblueth and Romero
2006) Several plants of medicinal importance such as Actinidia macrosperma (wild
kiwifruit) Ricinus communisTectona grandis Samanea saman Garcinia Picrorhiza
kurroa Cannabis sativa Withania somnifera Rauwolfia serpentine Cedrus deodara
Abies pindrow Pinus roxburgii Nothapodytes nimmoniana Platanus orientalis
Artemisia annua Brucea javanica M sieboldii and Calotropis procera have been
studied for endophytes Species of Alternaria Colletotrichum Aspergillus Fusarium
Gliocladium Cunninghamella Phomopsis Alternaria Fusarium Chaetomium
Nigrospora Cladosporium Alternaria Fusarium Aspergillus Curvularia
Cladosporium sp Aspergillus sp Nigrospora sp Fusarium sp Trichoderma sp
Chaetomium sp Alternaria sp Paecilomyces sp and Phyllostica are frequently
isolated from many agricultural and native plant species as endophytic fungi (Rubini et
al 2005 Guo et al 2008 Veja et al 2008 Gazis and Chaverri 2010 Kurose et al
2012 Parsa et al 2016) and Penicillium (H Kim 2014 Hassan 2017 Gautam 2013
Meng 2011 Peterson 2005 Qader 2015 Devi 2014 Shoeb 2014 Yin Lu et al 2011
Sandhu et al 2014 Phongpaichit et al 2006ukanyanee et al 2006 Qadri et al
2013 Liang 2014Cai and Wang 2012 Sandhu et al 2014b Cai 2012 Qadri 2013
In current study most of the endophytic Penicillium isolated Endophytic fungi
identified according to Domsch et al (1980) Dugan (2006) Raper and Thom (1949)
Barnett and Hunter (1998) and Visagie et al (2014) Identification of the promising
isolates was done through PCR amplification
Endophytic Penicillium isolated and tested for vitro and vivo activity in current
report most of the isolates showed inhibitory potential for fungi (root rotting) Fungal
endophytes that have useful impact on plant growth as biocontrol agents because their
effect against disease by inhabiting internal tissues of plants (Yuan et al 2017
Amatuzzi 2017) Similar biological position as pathogenic microorganism Berg et al
(2005) But in difference to plant pathogens they do not cause injury to host plant and
go inside plants for taking nourishment (Kobayashi and Palumbo 2000) Various
research are existing regarding the valuable function of fungal endophytes like act as
antagonist to phytopathogens and enhance growth of several crops (Waqas et al 2015
130
Veja et al 2008 Bahar et al 2011 Mendoza and Sikora 2009) Moreover
commercial application of Aspergillus spp Penicillium spp and Chaetomium spp for
the making of bioactive compounds that reveal antimicrobial and fungicidal activities (
Wang et al 2012 Jouda et al 2014)
In crop plants fungal endophytes are slightly recognized to play a role in the
production of gibberellins and resistance to stress abiotically Abiotic stressors like
drought heat and salinity symbiotic fungi can help plants to minimize the effect of
these stresses (Rodriguez et al 2008) In coastal plants fungal strains of P
funiculosum and P janthinellum are produced resistance against salt stress (Khan et al
2011 2013) Endophytic P citrinum produced gibberellins for their plant host (Khan et
al 2008) For plant growing stages with leaf enlargement pollen growth seed
sprouting stem elongation gibberellins are essential (Achard et al 2009) and influence
the growth of plant and adjustment throughout the early stages Thus endophytic fungi
possibly support their host plant to take nutrients and also stimulate hosts
growth The Trichoderma spp as considered to a giver of resistance facilitating plant
protection (Rubini et al 2005 Verma et al 2007 Bailey et al 2009 Kurose et al
2012) In this report cell free filtrates of culture and their fractions of endophytic
Penicillium exposed significant Escherichia coli Staphylococcus aureus Salmonella
typhimurium antibacterial activity against Bacillus subtilis Staphylococcus aureus and
Pseudomonas aeruginosa by forming inhibition zone in disc diffusion method
Endophytic Penicillium are also effective against bacterial pathogens with root rotting
fungi (Manmeet and Thind 2002) assessed antagonistic activity of Bacillus subtilis
Pseudomonas aeruginosa Trichoderma harzianum and Penicillium notatum against
causative agent of the bacterial blight of rice caused by Xanthomonas oryzae pv
oryzae in vitro and results showed that B subtilis P fluorescens and T harzianum
stop the growth of pathogen Our findings are an agreement to (Korejo et al 2014)
They reported that cell free filtrates of culture of endophytic Penicillium spp revealed
antifungal and antibacterial potentail Against a humen pathogen Vibriocholerae
(MCM B-322) produced desease cholera the cell free culture of P
chrysogenum revealed significant potential (Devi et al 2012) Many fungal endophytes
are the main source to secrete bioactive compounds (Stinson et al 2003 Corrado and
131
Rodrigues 2004 Ezra et al 2004 Kim et al 2004 Liu et al 2004 Wiyakrutta et al
2004 Atmosukarto et al 2005 Chomchoen et al 2005 Li et al 2005) Among them
seven isolates such as Hypocreales sp PSU-ES26 isolated
by C serrulata Trichoderma spp PSU-ES8 and PSU-ES38 isolated by H ovalis
and Penicillium sp PSU-ES43 Fusarium sp PSU-ES73 Stephanonectriasp PSU-
ES172 and an unidentified endophyte PSU-ES190 isolated by T hemprichii revealed
strong antimicrobial potential against human pathogens (Supaphon et al 2013) There
is eager requirement to discover novel drugs because of infectious diseases and drug
resistance microbes developing day by day Endophytic Penicillium could be a new
origin of treatments for the diseases caused by pathogens
In infectious plants fungal endophytes released the biotic stress with time
duration of 3 6 and 12 day after treatment by lowering the concentration of jasmonic
acid and salicylic acid as compare to control diseased plants Moreover these findings
reported the Penicillium citrinum (LWL4) relationship had a improved helpful impact
on plants of sunflower than Aspergillus terreus LWL5(Waqas 2015) Endophyte
naturally occurring in plants provide defense to plants by different way of mechanisms
such as the secretion of toxicant for pathogens and occasionally to disrupt the cell
membrane causing cell death of the pathogen (Ganley et al 2008 Shittu et al 2009)
Researche reported the justification of the pathogenic infections through the application
of fungal endophytes in plants like F verticillioides (Lee et al 2009) non-pathogenic
mutants of Colletotrichum magna (Redman et al 1999) Xylaria sp (Arnold et al
2003) Colletotrichum specie Fusarium nectria specie and Colletotrichum
gloeosporioides Clonostachys rosea and Acremonium zeae (Poling et al 2008)
Botryosphaeria ribis and (Mejıacutea et al 2008) In current research we assumed that the
application of endophytic Penicillium in plants might protect plants from adverse
effects of the soil born root-rotting fungi The inoculation of endophytic fungi may
inhibit the development of initial infection and prevent disease in this way not only
disease severity decreased but enhanced growth of the plant and yield (Mei and Flinn
2010) Our reseach shows that during pathogenic infection and mutual associations of
the endophytes lower the incidence of disease and improved the yield and biomass of
the plants Promotion of the host plant growth and inhibition of plant pathogen
132
infection may be increase the absorbance of nutrient which causes improved biomass of
plant and growth (Muthukumarasamy et al 2002) In the current study endophytic
Penicillium limited root-rot disease and also promote the health of the plants as
compare to control plants These are the comparision of the results as described by
Serfling et al (2007) The results similar to earlier findings on the plant growth
enhancement by endophytic fungi (Hamayun et al 2010 Khan et al 2011 2012
2013)
Endophytic P cyclopium Penicillium corylophilum P funiculosum are
recognized as GA-producers (Hasan 2002 Khan et al 2011) P citrinum (Khan et al
2008) Penicillium specie (Hamayun et al 2010) Resistance against insect attack and
pathogens enhanced by GA-producing endophytes which alter defense hormones such
as JA and SA In terms of abiotic stress (drought heat stress and salinity) these
endophytes may change the level of abscisic acid and induce resistance Endophytes
may have influencial role 0n the production of biochemicals and alter antioxidant
activities which is the main cause of improving growth of the plants(Waller et al
2005 Hossain et al 2007 Khan et al 2012 Waqas et al 2012 Khan et al 2013)
Chemical fertilizer showed negative impact on plants status The wide
applications of these inorganic fertilizers also causes deterioration to the soil fertility
by losing physiochemical and biological features of soil (Altuhaish et al 2014) In
addition a harmful effect on environment the chemical fertilizers have low level of
efficacy which may reduce nutrients uptake by the plants (Adesemoye et al 2009)
Application of organic amendments is sound known for inhibition of soil-borne
infections improving crops and yield (Ehteshamul-Haque et al 1996 Ikram and Dawar
2015 Sultana et al 2011 Lazarovits 2001 Stone et al 2003) Organic amendments
showed significant effects on crop health and production not only as a result of inhibiting
inoculum of soil pathogens but improve soil quality (Bailey and Lazarovits 2003)
Organic amendments including green manure peats and composts animal manure has
been proposed to sustain and improve fertility of soil and also soil structure for
conventional biological systems of agriculture (Cavigelli and Thien 2003 Magid et al
2001 Conklin et al 2002) and reduce occurrence level of the infections due to soil
133
containg plant pathogens (Noble and Coventry 2005 Litterick et al 2004) It is exposed
that organic amendments can be active against damages produced by fungal pathogens
such as Verticillium dahliae (Lazarovits et al 1999) Rhizoctonia solani (Diab et al 2003)
Phytophthora spp (Szczech and Smolinacuteska 2001) Pythium spp (Veeken et al 2005
MCKellar and Nelson 2003)Sclerotinia spp (Lumsden et al 1983 Boulter et al 2002)
Thielaviopsis basicola (Papavizas 1968) and) Fusarium spp (Szczech 1999) In current
research use of organic amendments like neem cake cotton cake and mustered cake
alone or with combine application of Penicillium spp significantly (plt005) increase
plant growth and cause growth reduction of root rotting fungi as compared to carbendazim
Population of total fungi and bacteria increased by organic soil amendment
which inhibit pathogens growth due to loss of ability to compete with beneficial
microbes (Gilbert et aI 1968) In our study a positive influence of numerous oil cakes
such as cake of neem and mustard on growth of plant was observed which is as
simillar as the findings of the Pandey et al (2005) and Goswami et al (2006) who
reported the use of different oil cakes such as neem and mustards in soil which showed
positive effects on growth of plant
Mixtures of Penicillium with various organic amendments applied in our study
resulted increasing the effectiveness of beneficial microobes for suppressing the fungi
causing the root rots in the present study This is same as the results of (Van Gundy
1965 Oka 2010) who described the combine effect of oil cakes and Pesturia penetrans
which change the soil features might be due to affect on nematode behaviours
(hatching movement and survival) Soil amendment resulting the decrease of the
occurrence of root knot nematodes and Fusarium spp on mung bean plants
(Ehtashamul-Haq et al 1993) Decomposition process of organic amendment released
sunbtances which produced antagonists and resistance too (Lumsden et al 1983)
which promote the inhibition of pathogen T harzianum used as a biocontrol agent with
neem cake showed significant infection on the reduction of Fusarium spp and
improved the development of plants (Nand 2002) Combine application of organic
amendment and PGPR might be resulted reduction of root-rot infections and fungal
pathogens with improved soyabean production (Inam-ul-Haq et al 2012)
134
Among agricultural fertilizer such as neem (Azadirachta indica) and its
products broadly described as a potential fertilizer (Gajalakshmi and Abbasi 2004) and
fungal diseases controlled by them (Dubey et al 2009 Amadioha 2000) insect pests
(Schmutterer 1995Ascher 1993) nematodes which parasitized by plant (Akhtar and
Mahmood 1995) bacteria (Abbasi et al 2003)) Some Studies have been revealed the
surprising potentail of neem products like neem seed oil against R solani M
phaseolina F moniliforme and (Niaz et al 2008) neem seed kernel extract against
Alternaria alternate Trichothecium roseum Monilinia fructicola Penicillium
expansum and Monilinia fructicola (Wang et al 2010) neem seeds and neem leaves
extract for control of F oxysporum Sclerotinia sclerotiorum and R solani (Moslem
and El-Kholie 2009) In our study neem cake mustard cake and cotton cake separate
or within combination of endophytic Penicillium which significantly (plt005) inhibit
the root rotting fungi and increasing the growth of plant Reduction in pre and post
emergence mortality of cotton and in the occurrence of R solani M phaseolina showed
by neem cake which is commonly used as a natural pesticide(Vyas et al 1990 Jeyara-
Jan et al 1987) Multiple nutrients which are having capacity to improve soil
characteristics are found in organic materials (Orrell and Bennett 2013) They also
provide organic substances like acids that help to breakdown soil nutrients and make
them easily accessible for the plants (Husson 2013)
Use of pesticides for reduction of root rotting fungi and plant parasites is costly
approach and resulting destruction of soil environment (Sukul 2001) Use of
bantagonist is an efficient way to overcome root rotting fungi and lethal nematodes
(root knot) (Whapham et al 1994 Ehteshamul-Haque et al 1995 1996) Usually
suppression of the plant pathogens occured by the direct secretion of toxicant such as
phenolic compounds and indirectly enhancing soil microbes by the application of soil
amendments (Shaukat et al 2001Ali et al 2001) In the present report selected
isolates of endophytic Penicillium separate or mixed use with Carbendazim Feast-M
and Topsin-M not only significantly inhibited the infection of root rooting fungi and
enhanced the growth of sunflower but mixed application also produced additional
defense against pathogen penetration and promote growth Plant centered toxicant
within organic amendments revealed promising outcomes in the management of root
135
infecting fungi present in soil (Ghaffar 1995) Organis amendments give better
environment to soil by providing energy and nutrients which support microbes and
plants to grow and survive successfully (Drinkwater et al 1995) Combination of
beneficial microbes by means of various plant colonizing forms with organic
amendment may be convenient for the inhibition of diseases by using different
biocontrol mechanisms for phytopathogens Combine application of different strains of
PGPR resulted significant inhibition of cucumber pathogens consistently (Raupach and
Kloepper 1998)
For crop protection one of the most favorable alternative approach is activation
of resistance within plant among current strategies (Walters and Fountaine 2009
Anderson et al 2006 Walters et al 2005) These alternative stratigies does not kill
phytopathogen directly (Walters and Fountaine 2009) but encouragement of natural
defence system of plant which introduces systemic acquired resistance (Vallad and
Goodman 2004) In case of abiotic and biotic stress a broad series of bioactive
compounds are release by the plant in natural environment that are injurious to
pathogens and grazing animals Phenolic phytochemicals are basic constituents of fruits
and vegetable of bioactive compounds that function as a resistant against insect and
herbivores (Stevenson et al 1993) Due to their significant protective biological role
phenolic compounds are pervasive in all plants so found in all nutrients In plants
resistant reaction of phenols resulting in the separation of phytopathogens which are
categorized due to the quick and early accumulation of phenolics at the infection site
(Cheacuterif et al 1991)
Phenolic compounds are impotant bioactive metabolites can act as antioxidants
against oxidative stress which leads many benefits to plants (Urquiaga and Leighton
2000 Grassmann et al 2000) also termed as free radical- scavengers Phenolic
compounds and antioxidants have close relation (Kumar et al 2008) Phenolic and
lycopene compounds are carotenoids a big source of antioxidants present in tomatoes
richly (Pinela et al 2011 Sahlin et al 2004 Ilahy et al 2001 George 2004)
Organic tomatoes are economically important with relation to conventional tomatoes
(Kapoulas et al 2011) due to their improved quality and ecofriendly nature Phenolic
136
compounds gives better taste as compared to conventional fruits (Benbrook 2005) In
our research better quality of okra and tomato fruits are produced by endophytic
Penicillium as compared to chemical fungicides and control in both screen house and field
condition
In the present study endophytic Penicillium not affected pH of fruit juice of
okra and tomato compared to untreated plant fruits Our findings were in line with (Oke
et al 2005 Carrijo and Hochmuth 2000) who described that pH of tomato fruit juice
not changed by phosphorus use Combine use of endophytic Penicillium with
Psuedomonas montellii improved TSS (total soluble solids) and tritable Acidity of okra
fruit Total soluble solids consist of acids sugars and other constituents existing in THE
fruits of the tomato (Balibrea et al 2006) Instead of inorganic fertilizer application of
biocontrol agents significantly increased brix content in tomato (Oke et al 2005)
The improved quality of fruit Ash content due to the high utilization of the nutrients
of the soil (Mauromicale et al 2011) The variation present in total soluble solids might
be due to the variability of the gene(Riahi et al 2009) In addition of chemical fertilizer
to soil had a significant function in food safety but however made soil harder that
resulted destruction in soil quality (Lai et al 2002) and the soil mineral absorption
decreased through roots Similarly from the soil availability or absorption of mineral
nutrients due to greater moisture content that improved prescence of mineral in soil
(Van veen and Kuikman 1990)
In the present research application of endophytic Penicillium significantly
impoved the carbohydrate protein antioxidant and polyphenol contents of the tomato
and okra fruits The increment of root surface area ultimately increased water
absorption and nutrient uptake due to endophytic Penicillium increased the above
contents These findings are an agreement with Rashed (2002) who described that
antagonistic microbes improved nutrient uptake (El-Ghadban et al 2002)
The biofertilizers impact positively on okra fruits was confirmed by previous
studies described by (Adediran et al 2001 Adejumo et al 2010) The photosynthetic
activity will also be improved as a consequence of improved interception of light when
137
all nutrient is in the right proportion (Subbarao and Ravi 2001) which ultimately
improves vegetative growth and efficient transport of photosynthetic product from
source to sink
Therapeutic effects of active compounds from fungal source have been noticed
from several years and new drugs have exposed and obtained extracted from the
endophytic fungi (Teakahashi and Lucas 2008 Hormazabol et al 2005) A new
endophytic fungus Muscodor albus was isolated from cinnamon tree (Cinnamomum
zeylanicum) formed volatile compunds that executes fungi causing disases (Strobel et
al 2001 Strobel 2006) (Liu et al 2013 Raghunath et al 2012) has discoverd two
new compouds named as nigerasterols A 6 8 (14) 22-hexadehydro-5α9 α-epidioxy-
315-dihydroxy sterols and B from endophytic fungi (Aspergillus niger)
23 compounds were isolated from endophytic Penicillium regulosum mycelia
Hexane fraction of mycelium were characterized by GCMS to identify the chemical
compounds most of them are hydrocarbon fatty acid alcohol and benzene derivatives
Some compounds were characterized from our isolate such as Widdrol hydroxyether
Eicosane Oleic acid Ethyl Oleate and 2-Aminofluorescein Because of the prescence of
these chemical compounds this fungus might have a capability to act against pathogenic
bacteria and fungi and showed a promising result against both type of bacteria such as
gram-ve and gram +ve
Adametizine A produced by Penicillium sp having antibacterial activity against
Aeromonas hydrophila Vibrio harveyi Staphyloccocus aureus Vibrio parahaemolyticus
and antifungal activity against Gaeumannomyces graminis (Liu et al 2015) Arisugacin
K produced by Penicillium sp having antibacterial activity against Escherichia coli (Li et
al 2014) Cillifuranone produced by Penicillium sp having antibacterial activity against
Xanthomonas campestris and antifungal activity againsts Septoria tritici (Wiese et al
2011) Comazaphilones produced by Penicillium sp having antibacterial activity against
S aureus Pseudomonas fluorescens Bacillus subtilis (Gao et al 2011) Communol A
FndashG produced by Penicillium sp having antibacterial activity against Enterobacter
aerogenes E coli (Wang et al 2012) Conidiogenone B produced by Penicillium sp
138
having antibacterial activity against Pseudomonas fluorescens Pseudomonas aeruginosa
Staphylococcus epidermidis S aureus mr and antifungal activity against Candida
albicans (Gao et al 2011) Dictyosphaeric acid A produced by Penicillium sp having
antibacterial activity against S aureus Enterococcus faecium S aureus mr and
antifungal activity against C albicans (Bugni et al 2004) Isocyclocitrinols produced by
Penicillium sp having antibacterial activity against Enterococcus durans S epidermidis
(Amagata et al 2003) Peniciadametizines produced by Penicillium sp having antifungal
activity against Alternaria brassicae (Liu et al 2015) Penicifuran A produced by
Penicillium sp having antibacterial activity against Bacillus cereus Staphylococcus
albus (Qi et al 2013) Penicilactone produced by Penicillium sp having antibacterial
activity against S aureus mr (Trisuwan et al 2009) Penicimonoterpene produced by
Penicillium sp having antibacterial activity against E coli A hydrophila S aureus
Micrococcus luteus V parahaemolyticus and V harveyi (Zhao et al 2014) and
antifungal activity against A brassicae Aspergillus niger Fusarium graminearum (Gao
et al 2011 and Zhao JC et al 2014) Penicisteroid A which is produced by Penicillium
sp having strong antifungal activity in response to A brassicae A niger (Gao et al
2011) Penicitide A which is produced by Penicillium sp having stronge antifungal
activity in response to A brassicae A niger (Gao et al 2011) Penicyclones AndashE islated
from Penicillium sp having antibacterial activity against S aureus (Guo et al 2015)
Perinadine A which is produced by Penicillium sp having antibacterial activity against
B subtilis M luteus (Sasaki et al 2005) Pinodiketopiperazine A produced by
Penicillium sp having antibacterial activity against E coli (Wang et al 2013)
Scalusamide A produced by Penicillium sp having antibacterial activity against M luteus
and antifungal activity against Cryptococcus neoformans (Tsuda et al 2005) Terretrione
D produced by Penicillium sp having antifungal activity againsts C albicans (Shaala
LA et al 2015) and Xestodecalactone B produced by Penicillium sp having antifungal
activity againsts C albicans (Edrada et al 2002) These references supports our results
that our isolate have antimicrobial activity It also have showen a positive result on the
growth of the by enhancing the plant growth and also suppressing infection of root rot
fungi almost in all crops which are experimented
Conclusion
139
There is eager need for natural (environment friendly) chemotherapeutic and
agrochemical agents instead of synthetic toxic chemicals Natural products produced by
endophytes have been tested against infectious agents against plant pathogens One of the
single greatest challenge is control of soil-borne pathogens including parasitic nematodes
facing recent agriculture worldwide Soil-borne fungi and fungi like organisms
including Macrophomina phaseolina Fusarium species Phytophthora spp
Rhizoctonia solani and root knot nematodes commonly (Meloidogyne species) result
severe economic damages both in greenhouse and field production system In
agricultural and pharmaceteucal industry application of endophytes with their related
benefits has now been new approach in rescent years Despite the assistances related to
endophytic bacteria and fungi in plant disease management they are still largely
unexplored Genus Penicilium has been familiar for their significant secretion of
secondry metabolites among them and was also found to play important function in
plants against stress tolerance Penicilium spp secrete a variety of pharmaceutically
vital compounds with antibacterial antifungal insecticidal and nematicidal activities
In this study endophytic Penicillium isolated from healthy plants revealed
significant potential against root infecting fungi both in field condition and screen house
Although endophytes are now widely used in other different fields
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140
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v
LIST OF CONTENTS Page No
1 INTRODUCTION
11 Endophytic fungi
12 Endophytic Penicillium
13 Role of endophytic Penicillium in plant growth
14 Role of endophytic Penicillium as resistance inducers in plant against
biotic and abiotic stresses
15 Soil-borne diseases
16 Soil-borne root rotting fungi and nematode
17 Biological control
2 MATERIALS AND METHODS
21 Collection of sample for the isolation of endophytic Penicillium spp
from different host
22 Isolation and identification of endophytic Penicillium
23 Isolation of the root infecting fungi from soil
231 Soil dilution technique for the isolation of Fusarium spp
232 Baiting technique for the isolation of Rhizoctonia solani
233 Wet sieving and dilution technique for the isolation of
Macrophomina phaseolina
24 In vitro dual culture plate assay for determining the antifungal activity
of Penicillium species
25 Preparation of root knot nematode inoculum
26 Hatching of nematodes
27 Preparation of culture filtrates
28 In vitro antifungal activity of culture filtrates of Penicillium species
29 In vitro antibacterial activity of culture fitrates of Penicillium species
210 In vitro nematicidal activity of culture filtrates of Penicillium species
211 Fractionation of culture filtrates
212 Extraction and fractionation of mycelium of endophytic Penicillium
vi
213 Spectroscopy of oily fractions eluted from mycelium
212 In vitro antimicrobial activity of fractions of culture filtrates
213 Population of antagonists Colony forming unit (cfu) per ml in
suspension
214 Growth parameter
2141 Physical parameter
2142 Infection percentage of root rot fungi on roots
215 Biochemical parameter
2151 Estimation of polyphenols
2152 Estimation of antioxidant activity
216 Fruit analysis
2161 pH
2162 Moisture content
2163 Tritable acidity (TA)
2164 Total soluble solid (TSS)
2165 Firmness
2166 Total solids
2167 Protein
2168 Carbohydrate
2169 Total polyphenol and antioxidant activity
217 Experimental design
218 Analysis of data
3 EXPERIMENTAL RESULTS
31 Isolation of endophytic Penicillium
32 In vitro fungicidal activity of endophytic Penicillium
33 In vitro fungicidal activity of cell free culture filtrates of endophytic
Penicillium
34 In vitro antibacterial activity of cell free culture filtrates of endophytic
Penicillium
35 In vitro nematicidal activity of cell free culture filtrates of endophytic
vii
Penicillium spp
36 In-vitro antimicrobial activity of fractions of culture filtrates
361 In-vitro antifungal activity of n-hexane soluble fractions of
culture filtrates
362 In-vitro antibacterial activity of n-hexane soluble fractions of
culture filtrates
363 In-vitro antifungal activity of chloroform soluble fractions of
culture filtrates
364 In-vitro antibacterial activity of chloroform soluble fractions of
culture filtrates
365 Compounds from n-hexane fraction of mycelium of Penicillium
rugulosum
37 Screen house experiments
371 Effect of endophytic Penicillium in soil amended with neem cake
in suppressing the root diseases and growth of sunflower (2016)
372 Effect of endophytic Penicillium in soil amended with neem cake
in suppressing the root diseases and growth of Sunflower (2017)
373 Effect of endophytic Penicillium in soil amended with neem cake
in suppressing the root diseases and growth of mung bean
374 Effect of Endophytic Penicillium and Cotton cake in suppressing
the root diseases and growth of Mung Bean
375 Effect of Endophytic Penicillium in suppressing the root diseases
and growth of Mung Bean
376 Effect of endophytic Penicillium in soil amended with neem cake
in suppressing the root diseases and growth of tomato
377 Effect of endophytic Penicillium in soil amended with cotton
cake in suppressing the root diseases and growth of tomato
378 Effect of endophytic Penicillium in soil amended with neem cake
in suppressing the root diseases and growth of chickpea
379 Effect of endophytic Penicillium insoil amended with mustard
viii
cake in suppressing the root diseases and growth of chickpea
3710 Effect of endophytic Penicillium and fungicides in suppressing
the root diseases and growth of sunflower
3711 Effect of endophytic Penicillium as soil drench on growth of
okra plants
3712 Effect of endophytic Penicillium as soil drench on growth of
tomato plants
38 Field Experiments
381 Effect of Pseudomonas monteilii and endophytic Penicillium as
soil drench on growth of okra plants in soil under field condition
382 Effect of Pseudomonas monteilii and endophytic Penicillium as
soil drench on growth of tomato plants in soil under field condition
4 DISCUSSION
ix
EVALUATION OF BIOCONTROL POTENTAIL OF ENDOPHYTIC SPECIES OF
PENICILLIUM AGAINST ROOT ROTTING FUNGI AND ROOT KNOT
NEMATODE
SUMMARY
Endophytes are either bacteria or fungi that reside in the tissues of the plant without causing
any apparent symptoms Some endophytic microorganism may promote growth of plants
help in uptake of nutrients and increase the ability to bear environmental stresses like
salinity drought and reduce biotic stresses During our study plants were collected from
different localities in Karachi Pakistan like Memon Goth Kathor Gadap Gharo Malir and
University of Karachi campus from which endophytic Penicillium were isolated Out of the
eighty samples of the plant 14 isolates of endophytic Penicillium isolated (root stem and
leaves) from wild plants (Achyranthus aspera Atriplex stocksii Euphorbia hirta
Chorchorus tridens) and cultivated plant (Solanum melongena Lycopersicon esculentum
Helianthus annuus Azadirachta indica Abelmoschus esculentus Momordica charantia)
Species of Penicillium identified as P asperum P lilacinum P purpurogenum P
nigricans P rugulosum P restrictum P duclauxi P citrinum P thomii P lividum and P
javanicum Identification of selected isolates of Penicillium was also confirmed by using
molecular biology tools
Antimicrobial activity of 14 endophytic isolates of different species of Penicillium
tested against common fungi (root rotting) viz F oxysporum Fusarium solani
Macrophomina phaseolina and Rhizoctonia solani by dual culture plate assay All EP
isolates showed significant result produced by the inhibition zone Nematicidal potential of
cell free culture filtrates of endophytic Penicillium also has shown significant results After
24 hour 50nematicidal potential showed by Ppurpurogenum (EP-3) while after 48 hours
all other isolates showed 100 mortality
Culture filterates of endophytic Penicillium caused growth suppression of bacteria
Salmonella typhimurium Bacillus subtilis Escherichia coli and Staphylococcus aureus As
concentration increased biocontrol potential of culture filterates of EP increased as well
These outcomes show that endophytic Penicillium could be fullfil the need of discovering of
x
new antibiotics Culture filtrates of Penicillium also showed activity of fungicidal against
root rotting fungal pathogens Fsolani Rsolani Mphaseolina Rsolani and Foxysporum
by making inhibitory zone Cuture filterates of 60 microldisc showed more effective results than
20 or 40 microldisc Fractionation of cell free culture filtrates of viable isolates of our
Penicillium (EP) was made in solvents ie chloroform and n-hexane and showed strong
antibacterial and antifungal activity against above described pathogens These results
showed that secondry metabolites having compounds with strong antimicrobial potential
Secondary metabolites producing from endophytic Penicillium spp offer an stimulating
area of investigation for the encounter of novel antimicrobial compounds Hexane fraction
of mycelium of promising isolate EP-5 showed prescence of chemicals
In current research antagonistic potential of Penicillium was assessed against
phytopathogens on sunflower (Helianthus annuus) chickpea (Cicer arietinum) tomato
(Lycopersicon escolentum) mungbean (Vigna radiata) and okra (Abelmoschus esculentus)
in field and screen house experiments Inhibitory affects on Foxysporum Rsolani Fsolani
and Mphaseolina showed by many endophytic Penicillium which causes healthy plant
growth by improving plant length fresh shoot weights in both type of experiments (Screen
house and field) In some experiment polyphenol and antioxidant activity also showed
significant result which might be due to resistance produced by endophytes Endophytic
Penicillium treated plants produced fruits which is better in quality as compared to control
Endophytic Penicillium associated with healthy plants is a source of new bioactive
metabolites which could be exploited in plant protection and also in medicine
xi
xii
1
1 INTRODUCTION
11 Endophytic fungi
Agricultural production passes through heavy loss due to different abiotic and
biotic stresses Most of the economic areas of the world is agriculture it is the most
eager need of the decade to discover and to create the best approach for sustainable
agriculture and development in crop growth (Rai et al 2014) Endophytes are
microorganisms that live inside the plant tissues for atleast in their life cycle that produce
no visuallized symptoms to the host (Bacon and White 2000) Inside the living host plant
tissues an expensive symptomless plant-microbe association build this phenomena called as
Endophytism(Kusari and Spitteler 2012b) During this complex relationship both partners
can be represented as extremely keen mutualism individual benefits depend on both of them
But their relation might be shift toward parasitism or saprophytism or concerning further
dedicated collaboration with time (Millet et al 2010 Zuccaro et al 2011) Recent studies
proposed endophyte-host plant relations are inconstant and showe a relationship between
mutualistic to antagonistic (Saikkonen et al 1998) Mutual relationship between
photosynthetic organisms and fungi earliest and universal (Berbee 2001 Alexopoulos et
al 1996) Evidence showed the presence of microorganism inside the plant tissues from
the the time of the emergence of higher plant on the earth (Redecker et al 2000) Since
the end of 19th century the inoculum of fungi in symptomless plant has recognized
Guerin (1898) Azevedo (1998) and Endophyte word was first suggested in 1866 de
Bary (1866) Endophytes initially defined in Darnel (Lolium temulentum) Freeman
(1904) they isolated it from wide range of plants from arctic to tropics and from
cultivated to wild ecosystems (Arnold 2007) and so far atleast one endophyte have been
found in all living plants species (Dutta et al 2014)
There have been numerous revisions on the relationship of endophyte and plant
particularly for grasses for instance tall fescue where it has been revealed that
endophytic fungus Neotyphodium coenophialum produce toxins that act as defensive
agent against their predators including insects and other grazing animals (Bultman and
Murphy 2000 Bacon et al 1977) it was found that this fungus could be beneficial for
2
enhancing their host tolerance against stresses of abiotic and biotic (Schardl et al 2004
Saikkonen et al1998) In between other symbiotic associations fungal endophytes are
most commonly competitive (Staniek et al 2008) Fungal endophytes are a very varied
polyphyletic group of microorganism that lives inside host stem leaves and also in roots
Endophytes fungi are present above ground parts of plant which make different from
mycorrhizal fungi but also present in roots Fungi related to rhizosphere and roots of the
plants and had positive effect on the growth of plant and recognized as PGPF (Plant
growth promoting fungi) The significant of PGPF belongs the genus Gliocladium and
Trichoderma (Altomare et al 1999) have proficient of inhabiting the plant roots (Gera Hol
and Cook 2005) Endophytes are considered as avirulent opportunistic plant symbionts
and develop systemic resistance in plants just like rhizobacteria (Harman et al 2004)
Similarly endophytic Acremonium lolii and A coenophialum exposed antibiotic formation
against a variety of fungal plant pathogens in culture (White and Cole 1985) Fungus
Muscodor produced volatile compounds which is mostly used as a fumigants in soil (Ezra et
al 2004 Mercier and Manker 2005) In our previous report endophytic Penicillium spp
isolated from Salvadora species showed noteworthy antimicrobial activity (Korejo et al
2014)
Against numerous diseases many endophytes have capability to produce different
secondry metabolites that have therapeutic effect (Kharwar et al 2011 Kusari and
spiteller 2012b)
12 Endophytic Penicillium
In recent search for agricultural and pharmaceutical industries to develop a
effective products Natural products have been recognized as a therapuetic agents and play
a important role in nature So the search is carried out for the production of novel
bioactive metabolites from organisms that reside novel biotopes Endophytic fungi
populate such a biotope (Schulz et al 2002) The genus Penicillium is a group of more
than 200 species inhabiting fibre fruits food items soil marine and various species of
plants (Korejo et al 2014 Gong et al 2012) In same way species of Penicillium
deliberated as soil inhabitant and present as a toxicant on foods materials like fibers
starchy materials and fruits but species of Penicillium have been reported in the form of
3
endophytes and play significant role in plants towards tolerance of stress(Khan and Lee
2013 Waller et al 2005) Fungal endophytes is used as a ironic source of secondry
metabolites for agricultural and medicinal practices (Schulz et al 2002) and lot of exposed
(Huang et al 2008)
Endophytic Penicillium species are the producers of diverse variety of secondary
metabolites (Zhang et al 2006 Schulz and Boyle 2005) ie various penicillins PR-
toxin polyketides xanthoviridicatins E and F chrysogine Chrysogenamide A
sorrentanone xanthocillins secalonic acids sorbicillactones A B sorbivinetone
Ochratoxin A (Hoog et al 2000 Singh et al 2003 Gerhard et al 2005 Vega et al
2006 Lin et al 2008) Penicillium species are known to have antifungal algicidal and
antibiotic activities (Meng et al 2011)
13 Role of endophytic Penicillium in growth of plant
Though current studies have revealed that growth enhancement of plant might be
the reason of the production growth promoting secondary metabolites (gibberellins auxin
cytokinin) from plants due to the prescene of endophytic fungi in the rhizospheric region
(Hamayun et al 2010a) Endophyte and plant relationship have the mojor influence on
plant growth promotion (Hassan et al 2013) though endophytic fungi may be responsible
to enhance the growth of the plant in order to secrete different chemical compounds like
ammonia indole acetic acid (IAA) and phytohormone and (Bal et al 2013) Usually
indole acetic acid acts as growth promoter plants by enhancing cell division and cell
elongation and is necessary for differentiation of tissues of plant (Taghavi et al 2009)
Soil microorganisms have a potential to synthesis a wide range of indole acetic acid that
play a role in plant development (Spaepen and Vanderleyden 2011) on other hand
endophytic fungi isolated from different parts of plants which indicated high amount of
indole acetic acid as compared to those isolates isolated from root-free soil (Spaepen et al
2007) The important role of indole acetic acid in growth of the plant in addition to the
potentail of fungal endophytes to secretes indole acetic acid has increased attention due to
their effectiveness on the concentration and supply of indole acetic acid in tissues of the
plants
4
Endophytic fungi have been considered as producers of phytohormones which act
as strong plant growth enhancer These outcomes proposed that endophytic fungi obtained
in the study produced bioactive metabolites which play magnificent roles in stimulating
growth of the plants (Khan et al 2015) Endophytic Penicillium species produced wide
range of Indole acetic acid and gibberellins thus increases plant growth Gong et al
(2014) reported the effect of Penicillium oxalicum on enhancement of growth of maize
plants where they observed that P oxalicum stimulate the growth of maize plants due to its
phosphate-solubilizing ability
14 Role of endophytic Penicillium as resistance inducers in plant stress
Systemic induced resistance have played a vital role in the survival of the plants to
protect themselves in response to pathogenic organisms (Lim et al 2006) It seems in
almost all plants in response pathogenic attack treated with different organic amendments
and chemicals Phytohormones are present extensively in plant parts Plants secrete an
enormous range of chemicals that are toxic to their predators Phenolic compouds are
bioactive chemicals which are common elements of fruits and vegetables act as defensive
agent against insect and grazing animal (Stevenson et al 1993) In the plants growth
phytochemical compounds which have low molecular weight such as phenolic show a
dynamic part and its production and secretion may be due to both biotic and abiotic factors
(Joachim et al 2007) Phytochemicals protect plants towards abiotic and biotic stresses
and therefore are produced against pathogens attack which are exposed to high energy
radicals like the exposure of UV radiation (Briskin 2000) Due to the significant defensive
roles phenolic phytochemicals have pervasive in most of the plants and find specific place
in most of the groups of foods Cherif et al (1991) reported that phenolic compound play
role in resistance of the plants which are accomplished by the rapid accumulation of at the
infection site resulting in the prevention of the pathogen The function of phenolic
compounds in inhibition of the pathogenic infection which act as a barriers to a
pathogens and develop resistance broadly Imporatant groups of compounds termed as
scavengers of oxygen free radical or antioxidants used to resist the phytopathogen and
protection of the oxidative stress of environment (Conceica et al 2006 Wanas 2006)
Numerous studies demonstrate that soil-borne fungal diseases controlled by antioxidants
5
(Dmitriev 2003) with increasing the phytophenolic compounds which increasing plant
growth development and defense against disease Antioxidants used successfully to
control most of the diseases in plant like Fusarium wilt of chickpea plants(Nighat- Sarwar
et al 2005) in tomato (Mohamed et al 2007) pod rot and peanut root (Elwakil 2003
Mahmoud et al 2006) in pepper damping- off (Rajkumar 2008) faba bean of chocolate
spot (Hassan et al 2006) and in the lupine leaf blight and root rot (Abdel-Monaim 2008)
Antioxidants eg salicylic benzoic acids ascorbic propylgalate in cumin in the form of
seed soaking or in other way such as soil drenching showed protection of diseases
occurred by f spcumini and Fusarium oxysporum (Mostasa 2006) The mechanism of
antioxidants was described in many host-pathogen relations such as a wide range of
enzymes like polyphenol oxidase ascorbate oxidase peroxidase and catalase identified
againsts pathogen infection (Clark et al 2002) or outcomes of most of the treatments with
different antioxidants activity ( El-Khallal 2007 and Abdel-Monaim 2008)
In organic agriculture biocontrol agents have different mode of actions including
production of metabolites against pathogens mycoparasitism competing their place and
their nutrients uptake growth promotion of plants and stimulation of defense mechanim in
most of the plants (Chet et al 1997 Howell 2003) This original biological approach
encourages natural resistances of the plants which leads towards systemic resistance
(Vallad and Goodman 2004) instead of apply effects on the most of the plant pathogens
(Walters and Fountaine 2009) Metabolites produced by biocontrol agents against
pathogenic fungus are main factor to discovering them Many researchers are discovering
bioactive chemicals synthesize by microorganism that control most of the diseases of the
plants (Dowling and OrsquoGara 1994) Induction of systemic resistance through biocontrol
agents changed the certain biochemicals of plant which can consider as resistance markers
(Schonbeck et al 1981) including enzymes accumulation like peroxidase (He et al
2002) It was shown that due to systemic acquired resistance in tomato activation of the
defensive mechanism occurs by the insects (Murugan and Dhandapani 2007) viruses
most of the nematodes bacteria and endophytic fungus (Anfoka and Buchenauer 1997
Laporte et al 2007 Molinari 2008 Vasyukova et al 2007Mandal et al 2009 Hase et
al 2008 Park et al 2008) In the same way Shafique et al (2016) studied that combine
use of the oil cake and P lilacinus and PGPR enhance growth of plant that also suppress
6
the infection of root rotting fungi by improving antioxidant activity and polyphenols
contents of the okra plant
Endophytic microorganisms produce secondary metabolites which are crucially
important as parasiticide insect antifeedent and pathogen inhibitors (Meng et al 2011)
Other benefits for host plant include increased resistance to heavy metals salinity and heat
stress improved drought tolerence protected from grazing animals introduced systemic
resistance to pathogens and promoted growth (Redman et al 2001 Clay and Schardl
2002 Marquez et al 2007 Tejasawi et al 2007) Hence Endophytic fungi increase the
ecological survival of plants by increasing resistance towards abiotic and biotic stress
factors (Schulz and Boyle 2005 Gonthier et al 2006) Hossain et al (2014) reported the
part of Penicillium sp in developing systematic resistance to cucumber infection of leaf
caused by anthracnose phytopathogen Colletotricum orbiculare in the cucumber
Similarly Khan et al (2015) studied the effect of P janthenalum in producing tolerance
against aluminum stress in tomato plants Penicillium endophytes are also help plants to
tolerate stress of salinity by regulating plants hormones (Khan et al 2013 Khan et al
2015) Penicillium strains are safe to environment as they reduces the level of salinity and
increase growth of the plants (Leitao and Enguita 2016)
Furthermost fungal endophyte facilitates induction of systemic acquired resistance
in most of the plants (Bailey et al 2006 Nassimi and Taheri 2017) and play a vital role in
safety and control of infection of plants Endophytic fungi play a chief part in growth
promotion of plant higher production of seed and resist plants against several abiotic
biotic stresses and infections Most of them are produce compounds against pathogenic
microbes phytohormones and different bioactive agrochemicals Eco-friendly and
economically active agricultural products are developed by many potential endophytes
(Rai et al 2014) Penicillum chrysogenum produces hypocrellins B and C which have
strong antifungal activity (Meng et al 2011)
15 Soil-borne diseases
Diseases which are caused by organisms persists in soil and debris on soil surface
are known as soil borne diseases and the organisms which causes such diseases are soil-
7
borne pathogens Soil-borne pathogenic fungi reside for several years in soil in the form of
various dormant structures viz chlamydospores melanized hyphae sclerotia and oospores
and are major cause of lowering yield and quality of plant products (Baysal-Gurel et al
2012 Koike et al 2003) Whereas nematodes survive in soil as free organisms cysts or
eggs (Koike et al 2003) Soil borne pathogens infect belowground along with foliar
tissues of plants The well-known diseases produced by soil-borne fungi are the rots which
effect underground tissues of plants and vascular wilts While some soil-borne pathogens
effect the above ground tissues of plants (Koike et al 2003) Soil-borne diseases are more
harmful under poor soil conditions ie inappropriate drainage system low range of
organic matter low level of fertility poor soil structure and high compaction level of the
soil (Abawi and Widmer 2000)
16 Soil-borne root rotting fungi and nematode
Among the plant disease causing organisms nematodes which parasitized plant
resulted loss upto 100 billion US$ to the agriculture world annualy and approximately 500
million US$ is wasted on control of nematode (Saifullah et al 2007) Whereas the
infection of root rot caused by Rhizoctonia solani Macrophomina phaseolina Fusarium
species Pythium species and Phytophthora species are most common in the crop plants
producing billions $ losses every year
Infections produced by soil borne pathogens includes damping off root rots and
wilts by Fusarium Phythium and Rhizoctonia Phytophthora verticillium and nematodes
species Fusarium oxysporum and its more than 70 species are known to cause root wilt
and root rot diseases in variety of plants species including tomato plants (Kistler 1997)
Species of Cephaliophora Bipolaris Cephalosporium Corynascus Curvularia
Exerohilum Botryodiplodia Fusarium Melanospora Nigrospora Rhizoctonia
MacrophominaSclerotium and Stemphylium are also potent plant pathogens in Pakistan
(Shahzad and Ghaffar 1995) Root knot nematodes are the members of genus Meloidogyne
(Sharon et al 2001 Taylor and Sasser 1978) Globally 26 of crop losses are resulted by
pathogens (Khan et al 2009) Nematodes alone cause 5 of worlds crop losses (Sasser
and Carter 1975) Soil-borne root infecting fungi and nematodes not only produce diseases
8
in plants but also decrease the biomass of plants and severely decrease the yield of crops
and sometimes even death of plant may occur
Nematodes (Meloidogyne spp) parasitized inside specialized type of feeding cells
into the plant tissues directly and remained inside the plant tissueon the otherhand
parasitic type of fungi also penetrate into the tissues of host and absorbs the nutrients Soil
and rhizosphere microorganisms are difficult to control because of tissues around them So
these endo-parasitic nematode and fungi may be able to control by endophytic
microorganisms colonizing around plant root tissue because they occupies same space and
are come in contact with each other (Hallman et al 1997) Hallman and Sikora (1994
1996) demonstrated that endophytic Fusarium oxysporum isolated from tomato roots had
determental effect on Meloidogyne incognita Colonization of tomato roots by the
endophyte resulted in 60 reduction of Mincognita infestation
Charcoal rot disease produced by Macrophomina phaseolina which is soil
inhabiting fungus having diverse type of distribution and have hazardous to the
production of the crops in most of the arid areas over 500 plant species (Ijaz et al 2012)
17 Biological control
Biological control is the management of components of ecosystem in order to
protect plants against pathogens It ensures the preservation of environment by no use of
chemicals (Barea and Jaffries 1995) Most of the fungi used as a biocontrol agents and
have long been studied and various reports are available Such as Perveen et al (1994)
reported the effectiveness of Fusarium oxysporum in order to reduce the infection of the
Macrophomina phaseolina Fusarium solani and Rhizoctonia solani Trichoderma species
have been known for so long as biological control agent of soilborne pathogens and also
act as a symbionts of the plants (Harman and Shoresh 2007) Further they suggest that F
oxysporium is a potential biocontrol agent against these pathogens in tomato and okra
Later Siddiqui and Shaukat (2003) tested Pochonia chlamydospora against Fusarium sp
Rsolani and M phaseolina and found it effective against these pathogens Siddiqui et al
(2000) and Waqas et al (2012) investigated the effects of Penicillium and Phoma
glomerata species on the cucumber in drought and saline stress and reported that these
9
endophytic fungal species increases biomass and growth of economically important crops
Major application in agriculture pharmaceutical and commercial utilization of these
endophytic fungi
The current research focused on the isolation and identification of the endophytic
Penicillium species which is associated with plants which are healthy plants and
evaluation of their antagonistic potential against root rotting fungi using sunflower
munbean tomato chickpean and okra as test crops The report also describes the extraction
and characterization of some new compounds from mycelium of Pregulosum
10
2 MATERIALS AND METHODS
21 Collection of plants for isolation of the endophytic Penicillium spp
Survey of various agricultural fields of Kaarchi and its suburb like Karachi
University campus Memon Goth Kathor Gadap Gharo and Malir were carried out
Healthy wild and cultivated plants alongwith roots were selected collected and were
transported to laboratory and preserved at (4oC) untill Penicillium were isolatedround
about (24) hours
22 Isolation and identification of endophytic Penicillium
1 g of th sample of the plant either stem root or leaves was separately cleaned
sanitized in 1 bleech for (3) min then with (70) alcohol for (3) min and then washed
with the help of distilled H2o Each sample was chopped in sterilized grinder with 50mL
sterilized water and dilutions of each sample were made upto 1104 and further proceed as
described by Korejo et al (2014) and fungal growth fungi were identified with reference
to Barnett and Hunter (1998) Domsch et al (1980) Dugan (2006) Raper and Thom
(1949) and Visagie et al (2014)
221 Molecular strain typing of promising isolates
The selected endophytic Penicillium isolates P rugulosum (EPAAR5) P
decumbens (EPAIR6) P nigricans (EPSLR4) P asperum (EPHAL10) and P
purpurogenum (EPEHS7) initially identified by morphological characters were further
subjected to molecular identification and strain typing bythe PCR (polymerase chain
reaction) based on molecular techniques recently described (Habiba et al 2018)
Briefly five days old strains grown (1 mL) in broth of YPD at 26degC and cells were
harvested by centrifugation (Hanil Korea) for (14000 rpm) for (10 min) at room
temperature Genomic DNA extraction kit (Norgen biotek Canada) was used for fungi as
per vender instruction while quality and purity of the genomic DNA established in
nanodrop (Nano-Drop 200 Thermo Scientific USA) In case of molecular identification t
rDNA-ITS4 ITS1-58S regions amplified with the help of the primers ITS1 (5acute-
11
TCCGTAGGTGAACCTG CGG-3acute) and ITS4 (5acute-TCCTCCGCTTATTGATATGC-3acute) as
initially described Karimi et al (2015) Reactions of the PCR were performed consisting of
genomic DNA (150 ng) primer set (16 μM each) Dream Taq Master Mix (2x Thermo
Scientific USA) and nuclease free water to a final volume of 20 μL Thermal cycling
carried out in a Master cycler (ProS Eppendorf Germany) with an initial denaturation step
(4 min at 94 ordmC) followed by 40 cycles of denaturation (45 s at 94 ordmC) annealing (45 s at 55
ordmC) and extension (1 min at 72 ordmC) and a final extension at 72 ordmC for 7 min
For genetic variation between the strains Random Amplified Polymorphic DNA
(RAPD) PCR was performed with specific oligonucleotide primer M13 (5acute-GAGGGTGG
CGGTTCT-3acute) as described by Zahid et al (2017) Briefly PCR were performed in a total
volume of 20 microL comprising of genomic DNA (25 microL) primer M13 (16 microM) 2x Dream
Taq PCR mix (10 microL) with additional 1 mM MgCl2 and 10 DMSO (Sigma-Aldrich
USA) Thermal cycling was carried out in a Master cycler (ProS Eppendorf Germany) with
an initial denaturation step (5 min at 95 ordmC) followed by 35 cycles of denaturation (30 s at
90 ordmC) annealing (1min at 40 ordmC) and extension (8 min at 65 ordmC) and a final extension at 68
ordmC for 16 min
PCR products (~10 microL) were subjected to 2 agarose gel electrophoresis
containing ethidium bromide (05 μgmL) 1kb DNA ladder (Fermentas USA) was used to
calibrate the sizes
23 Isolation of the soil borne fungi
231 Soil dilution technique for the iolation of Fusarium species
Fusarium were isolated by soil dilution technique (Nash and Snyder 1962) as
described by (Urooj et al 2018) and identified by Nelson et al (1983) and Booth (1971)
12
232 Baiting technique for the isolation of (Rhizoctonia solani)
Rhizoctonia solani were isolated through baiting technique and identified
(Wilhelm 1955) as described in previous report (Urooj et al 2018)
233 Dilution and wet sieving technique for the isolation of (Macrophomina
phaseolina)
Macrophomina phaseolina were isolated by using techniques (wet sieving and
dilution plating)Sheikh and Ghaffar (1975)
24 In vitro determination of antifungal activity of Penicillium species by dual
culture plate assay
For determination of fungicidal potential of Penicillium spp four common fungi
(root rotting) viz Rhizoctonia solani F oxysporum Macrophomina phaseolina and
Fusarium solani were chosen A disc of the 5 mm of the test and fungi (root rotting) was
inoculated on the opposite side of the Petri dish of 90 mm which was poured with CDA
(Czapeks Dox Agar) pH (72) and incubated (28degC) for (5 days) Inhibition zone was
measured in mm (Korejo et al 2014) Experiment were repeated thrice and replicated four
times
25 Inoculation of the nematode (root knot)
Pure culture of the root knot nematode (Meloidogyne javanica) obtained through
egg masses attached on infected brinjal root Roots were washed under tap water was used
to washed te roots thoroughly stereomicroscope was used to collect egg masses and
transferd in cavity blocks having distilled water and left for the hatching (at room
temperature) after 48 hours juveniles were hatched and proceed for the experiment
27 Preparation of culture filtrates
Culture filtrates of test Penicillium spp were obtained by growing 5 mm disc of
culture in 100 ml of CDB (Czapekrsquos Dox broth) in (250 ml) flask After (15 days) of the
13
incubation (25-30degC) culture filtrate were collected by filteration and 1-2 drop of
chloroform were added to prevent further growth of any contaminant
28 Determination of antifungal activity of culture filtrates of Penicillium species
in vitro
Culture filtrate were loaded at concentration of 20 40 and 60 microl on thick sterile
filter paper discs and dried and placed in clock wise manner according to concentration in
the plates containing Czapekrsquos Dox Agar Disc of test fungus were inoculated in centre of
plates CDB (Czapekrsquos Dox broth) used as a control and 20 microgdisc carbendazim used as a
positive controlAt 30degC Petri dishes left for (5-7 days) and between test fungus and disc
distance was measured as a inhibition zone Qureshi (2003)
29 In vitro antibacterial activity of culture fitrates of Penicillium species
To examine the activity of secondary metabolites of Penicillium spp against
bacteria lawn of test bacterium was prepared in 90mm petri dishes containing Nutrient
Agar medium Culture filtrate of each Penicillium sp at 20 40 and 60 microldisc were loaded
on thick sterile filter paper discs and dried and placed in clock wise manner according to
concentration in the plates having bacterial lawn with nutrient Agar A disc of 5 mm of test
fungus was inoculated in the centre of the plate Discs loaded with sterile broth of
Czapekrsquos Dox served as control whereas penicillin 20microgdisc used as positive control for
the gram positive bacteria and streptomycin 20microgdisc used as a positive control for gram
negative bacteria Petri dishes were kept at 30degC for (2-3 days) The inhibition zone were
measured in mm
14
210 In vitro nematicidal activity of culture filtrate of Penicillium species
To examine the nematicidal potential of the culture filtrate 1 ml of culture filtrate
was filled in a cavity blocks containing 15 picked second stage nematode (Meloidogyne
javanica) larvae As a +ve control distilled H2O water was used 2ml The cavity blocks
were kept at room temperature 25-30C and nematode mortality was recorded after 24-48
hours under stereomicroscope
211 Fractionation of culture filtrates
Culture filtrate was extracted three times with n-hexane and chloroform by shaking
vigorously in a separating funnel The extraction volume of each solvent is approximately
half to that of the filtrate Each solvent layer was allowed to separate out and run off from
the aqueous layer The n-hexane and chloroform fractions were collected pooled
concentrated on a rotary evaporator (Eyela-NE) separately and weighed
28 Determination of antifungal activity of frcations of culture filtrates of
Penicillium species in vitro
Each fraction was re-dissolved in their respective solavent and loaded at
concentration of 20 40 and 60 microl on thick sterile filter paper discs and dried and placed in
clock wise manner according to concentration in the plates containing Czapekrsquos Dox Agar
(CDA) Disc of test fungus were inoculated in centre of plates Czapekrsquos Dox broth (CDB)
used as control and carbendazim at 20 microgdisc used as positive control Petri dishes were
left for 5-7 days at 30degC and distance between test fungus and disc was measured as
inhibition zone (Qureshi 2003)
29 In vitro antibacterial activity of the frcations of culture fitrates of the
Penicillium species
In order to examine the prescence of secondary metabolites of the species of
Penicillium against bacteria lawn of test bacterium was prepared in 90mm petri dishes
containing Nutrient Agar medium Filtrates of cell free culture of the species of Penicillium
species at 20 40 and 60 microldisc were loaded on thick sterile filter paper discs and dried
15
and placed in clock wise manner according to concentration in the plates having bacterial
lawn with nutrient Agar 5 mm disc of test fungus was inoculated in centre of plate Discs
loaded with sterile broth of Czapekrsquos Dox (CDB) used as control whereas penicillin
20microgdisc used as positive control for gram positive bacteria and streptomycin 20microgdisc
served as positive control for gram negative bacteria Petri dishes were kept at (30degC) for
(2-3) days The inhibition zone were measured in mm
212 Extraction and compounds from mycelium of endophytic Penicillium
10 gm mycelium was thoroughly washed with n-hexane solvent to remove excess
water and extraction with (200 mL) n-hexane by Soxhlet extractor for (8 h) The fractions
were evaporated at 40degC through a rotary vacuum evaporator
213 Spectroscopy of oily fractions extrcated from mycelium of Penicillium
regulosum
The oily mass extracted from mycelium and culture filtrate of endophytic fungi
were subjected to GC-MS in order to isolate volatile compound GCMS (Gas
chromatographymass spectrometer) analyzed on High Resolution Mass spectrometer Jeol
HX-110 (Japan) eqquiped with data system DA-5500 with gas chromatograph Hewlett
packard (5890)
213 Determination of colony forming unit (cfu) per ml of suspension
Colony forming unit (cfu) per ml of Penicillium suspension were determined by
dilution plate method Fungi grown on the petri plates added then multiplied by the factor
of the dilutions donated by (cfuml) of the fungi
Cfu ml = Number of colonies of bacteria on plate X Dilution factor
16
214 Growth parameters
2141 Physical growth parameter
On harvesting the experiment physical parameters of the plants which was height
weight of the shoot length and weight of the roots number and weight of fruits were
measured
2142 Percent Infection of fungi (root rot) on roots
To determe of the infection of the root rot fungi method reported by Rahman et al
(2016) was used
215 Biochemical parameters
2151 Estimation of polyphenols
Dried sample of the leaves crushed in ethanol of 96 vv At 3000rpm for 20min
mixture of the sample centrifuged Supernatants used to anlayse antioxidant Salicylic and
polyphenol activity
Folin-Ciocalteu phenol reagent used for total poly phenol content described
(Chandini et al 2008)
2152 Estimation of antioxidant activity
Free radical scavenging assay was determined by DPPH (2 2-Di-phenyl-1-
picrylhydrazyl) used for Antioxidant activity (Zubia et al 2007 Duan et al 2006)
2153 Quantification of salicylic acid (SA)
Salicylic quantification was done by using 01 percent prepared Fecl3 (Ferric Chloride)
described by Warrier et al (2013)
216 analysis of Fruits
17
2161 pH (Power of Hydrogen)
To determine the pH fresh sample of five gram fruit in (10ml) of distilled water
were centrifuged for (20 min) in (3000) rpm Supernatent collected to analyse biochemical
activitySample pH measured as described (AOAC 1990)
2162 Moisture content
To analyse moisture content Fresh fruit determine by the method AOAC (1990)
Fruit moisture content can be calculated as follows
Moisture content= Weight of fresh sample ndash Weight of dried sampletimes 100
-------------------------------------------------------
Weight of fresh sample
2163 Tritable acidity (TA)
Sample of 5-ml titrated against (01 N) NOAH solutions by adding 2-3 drops of
phenolphthalein indicator drops for the persistent of the pink coloration The tritable
acidity was calculated by AOAC (1900)
2164 Total soluble solid
A juice drop transferred on prism surface of the hand refractometer (model
ATAGO) and the brix value was recorded by adjusting the eyepiece which showed TSS in
sucrose
2165 Firmness
Tomato fruit firmness recorded by using a TA-XT (Texture Analyser) with 3mm
diameter of the flat aluminium probe
2166 Total solids
It was determined as described by (James 1995) by subtracting percentage
moisture from 100
18
Total solids () = 100 ndash moisture
2167 Protein
Content of protein measured using (Lowry et al 1951) method
2168 Carbohydrate
Method of Phenol-sulphuric acid used to determine the prescence of carbohydrate
of the fruit sample (Dubios et al 1956)
2169 Antioxidant activity and Total polyphenol
To estimate the polyphenol by Folin-Ciocalteu phenol reagent method used
described as (Chandini et al 2008) To determine the antioxidant activity of fruits
samples used by method described by (Zubia et al 2007 Duan et al 2006)
217 Experimental design
Complete randomized design or randomized complete block design used as a
ststistical tool in screen house and field conditions experiments
218 Analysis of data
(ANOVA) Analysis of variance included least significant difference (LSD) were
analyse according to experimental design described as Gomez and Gomez (1984) were
used
19
3 EXPERIMENTAL RESULTS
31 Isolation of endophytic Penicillium
Out of 80 plant samples from both wild and cultivated species (Roots stems and
leaves) 14 samples showed presence of genus Penicillium Endophytic Penicillium spp
isolated (root stem and leaves) from wild plants (Achyranthus aspera Atriplex stocksii
Euphorbia hirta Chorchorus tridens) and cultivated plant (Solanum melongena
Lycopersicon esculentum Helianthus annuus Azadirachta indica Abelmoschus
esculentus Momordica charantia) Fourteen isolates of Penicillium were isolated and
identified on the bases of their morphological feature Species of Penicillium were
identified as P lividum P lilacinum P purpurogenum P nigricans P rugulosum P
restrictum P duclauxi P asperum P thomii P citrinum and P javanicum (Table 1)
32 Molecular Identification of endophytic Penicillium
The selected endophytic Penicillium isolates P rugulosum (EPAAR5) P
decumbens (EPAIR6) P nigricans (EPSLR4) P asperum (EPHAL10) and P
purpurogenum (EPEHS7) initially identified by morphological characters were further
subjected to molecular identification and strain typing (Habiba et al 2018) PCR
amplification of DNA from endophytic Penicillium strains using a universal genus specific
primer set (ie ITS1 and ITS4) which amplified the product size ranging between 500 to 600
bp for different fungal species while 600bp specific for Penicillium spp All products thus
showing the availability and consistency in size of typical 600bp for Penicillium isolates
(Figure 1A) RAPD-PCR was also performed to established the genotypic variations and
similarities with in the genus Penicillium (Figure 1B) RAPD-PCR is universally used and
based on polymorphism of DNA at the taxonomic level clearly illustrates the discrimination
power at the specie level Moreover the dendrogram of RAPD-PCR analysis revealed the
genetic relatedness between the isolates (Figure 1C) Dendogram represents two distinct
clades in first isolate P rugulosum EPAAR5 and P purpurogenum EPEHS7 were found to
share the same clade (a) whereas P asperum EPHAL10 P nigricans EPSLR4 P
decumbens EPAIR6 and positive control exist together in the second clade (b)
20
21
22
32 In dual culture plate assay antifungal activity of endophytic Penicillium
Fungicidal potential of endophytic species of Penicillium isolates were
examined usually phytopathogens such as Rhizoctonia solani Macrophomina
phaseolina F oxysporum and Fusarium solani using dual culture plate assay The 5mm
diam agar disc of endophytic Penicillium was placed on a 90mm Petri dish poured
with (CDA) Czapekrsquos Dox Agar pH (72) On opposite side of this disc from root
rotting fungi grown in plate a 5mm disc of was cut placed and leave at 28oC and
inhibition zone measured averaged and expressed in mm
All endophytic Penicillium showed best result against common root rot fungi
Maximum inhibition zone (25mm) against Fsolani produced by Ppurpurogenum
then Pdecumbens and P nigricans inhibition zone produced against Rsolani
(Table 1) fig1-7
23
Table 1 Suppression of Macrophomina phaseolina Rhizoctonia solani Fusarium solani and F oxysporum in dual culture plate assay
by the endophytic Penicillium species isolated from different wild and cultivated plants
Fungus Penicillium spp Host name Plant
part MPhaseolina Rsolani Fsolani Foxysporum
Zone of inhibition(mm)
EPSMR1 P citrinum Solanum melongena L
(Solanaceae)
Root 4 4 20 20
EPSMS2 P lilacinum Solanum melongena L (Solanaceae) Stem 6 8 11 14
EPSML3 Ppurpurogenum Solanum melongena L (Solanaceae) leaf 6 5 25 17
EPSLR4 P nigricans Lycopersicon esculentum L
(Solanaceae)
root 5 25 16 21
EPAAR5 P rugulosum Achyranthus aspera L
(Amaranthaceae)
root 3 12 11 20
EPAIR6 P decumbens Azadirachta indica AJuss
(Meliaceae)
root 5 25 13 20
EPEHS7 P purpurogenum Euhorbia hirta L (Euphorbiaceae) stem 6 5 25 17
EPCTS8 P restrictum Chorchorus tridens L (Malvaceae) stem 2 2 5 5
EPASS9 Pduclauxi Atriplex stocksii
(Amaranthaceae)
stem 18 13 11 14
EPHAL10 Pasperum Helianthus annuus L (Asteraceae) leaf 2 2 5 5
EPAER11 P thomii Abelmoschus esculentus L
(Malvaceae)
root 5 8 5 6
EPMCL12 Plividum Momordica charantia L
(Cucurbitaceae)
leaf 18 13 11 14
EPSLR13 Pjavanicum Lycopersicon esculentum L
(Solanaceae)
root 5 24 17 22
EPAER14 Ppurpurogenum Abelmoschus esculentus L
(Malvaceae)
root 5 3 21 12
24
Fig1 Growth inhibition of Foxyspoum by the endophytic Penicillium in dual culture plate
assay
Fig2 Growth inhibition of Fsolani by the endophytic Penicillium in dual culture plate
assay
25
Fig3 Growth inhibition of Fsolani by the endophytic Penicillium in dual culture plate
assay
Fig4 Growth inhibition of F solani by the endophytic Penicillium
in dual culture plate assay
26
Fig5 Growth inhibition of Foxyspoum by the endophytic Penicillium in dual culture plate
assay
Fig6 Growth inhibition of Fsolani by the endophytic Penicillium in dual culture plate
assay
27
Fig7 Growth inhibition of Foxyspoum by the endophytic Penicillium in dual culture plate
assay
33 In vitro fungicidal potential of culture filtrates of endophytic Penicillium
Penicillium isolates were grown in Czapekrsquos Dox broth pH 72 at 25-30oC for 15
days and through filteration culture filtrate was collected in autoclaved flasks The filtrate of
culture was dropped by chloroform under sterilize conndition to kill fungal propagoles if
any To determine the antifungal activity Disc Diffusion Method was used in which cell free
culture filterates at 20microldisc 40microldisc 60microldisc and control were placed at equal distance
at diferent positions in the petri plates poured with Czapeks Dox Agar pH 72 Water
impregnated disc were used as negative control and carbendazim 20microgdisc were used as
positive control against four root rot fungi viz Rhizoctonia solani Macrophomina
phaseolina F oxysporum and Fusarium solani 5mm disc of each root rot pathogen
Fusarium solani Macrophomina phaseolina F oxysporum and Rhizoctonia solani was
inoculated in the centre of the petri plates were kept 28oC for 5 days Distance between
paper disc and fungal colonies was measured as inhibition zone which were averaged and
showed in mmThe experiment was performed twice and replicated four times
28
Culture filtrate of Penicillium initiated growth suppression of (root rotting) fungi viz R
solani M phaseolina F oxysporum and F solani in vitro M phaseolina was inhibited by
culture filtrates of Plilacinum Pnigricans and Pthomii at 60microldisc by producing
maximum zone of 20mm Plilacinum Pnigricans and Pthomii also showed zone of
inhibition of 15mm at 20microldisc and 17mm at 40microldisc R solani was inhibited by
producing zone of 14mm at 60microldisc from culture filtrates of Plilacinum Ppurpurogenum
(EPSML3) Ppurpurogenum (EPEHS7) Pasperum and Ppurpurogenum (EPAER14)
Pnigricans and Pthomii produced zone of inhibition of 17mm at 60microldisc against F
solani P decumbens P citrinum Ppurpurogenum (EPSML3) EPSLR4 Pregulosum
Ppurpurogenum (EPEHS7) Pduclauxi Pasperum Pthomii Pjavanicum and
Ppurpurogenum (EPAER14) produced zone of inhibition ranging from 12-14mm at
60microldisc(Table 2)
29
Table 2 In vitro growth inhibition of Macrophomina phaseolina Rhizoctonia solani Fusarium solani and Foxysporum by culture
filtrates of endophytic Penicillium species isolated from wild and cultivated plant species
Fungus No Penicillium spp MPhaseolina Rsolani Fsolani Foxysporum
Zone of inhibition(mm)
Control 0 0 0 0
+ve Control (Carbendazim 20microgdisc) 8 5 9 7
EPSMR1 P citrinum
20microldisc 8 8 8 10
40microldisc 8 10 10 10
60microldisc 16 12 10 12
EPSMS2 Plilacinum
20microldisc 15 10 10 5
40microldisc 17 10 12 5
60microldisc 20 14 12 8
EPSML3 Ppurpurogenum
20microldisc 12 8 10 8
40microldisc 14 8 12 8
60microldisc 14 14 14 12
EPSLR4 P nigricans
20microldisc 15 0 11 8
40microldisc 17 4 15 9
30
Fungus No Penicillium spp MPhaseolina Rsolani Fsolani Foxysporum
Zone of inhibition(mm)
60microldisc 20 8 17 12
EPAAR5 P rugulosum
20microldisc 11 6 8 9
40microldisc 16 10 8 12
60microldisc 16 12 12 12
EPAIR6 P decumbens
20microldisc 12 5 14 12
40microldisc 14 8 14 14
60microldisc 14 8 14 14
EPEHS7 Ppurpurogenum
20microldisc 12 8 10 8
40microldisc 14 8 12 8
60microldisc 14 14 14 12
EPCTS8 Prestrictum
20microldisc 8 0 8 8
40microldisc 10 5 8 9
60microldisc 11 7 12 11
EPASS9 P duclauxi
20microldisc 12 0 12 10
31
Fungus No Penicillium spp MPhaseolina Rsolani Fsolani Foxysporum
Zone of inhibition(mm)
40microldisc 16 6 14 10
60microldisc 16 8 14 12
EPHAL10 Pasperum
20microldisc 10 8 12 10
40microldisc 12 10 16 12
60microldisc 12 14 16 12
EPAER11 Pthomii
20microldisc 15 0 11 8
40microldisc 17 4 15 9
60microldisc 20 8 17 12
EPMCL12 P lividum
20microldisc 12 8 10 9
40microldisc 12 8 12 11
60microldisc 14 12 13 11
EPSLR13 P javanicum
20microldisc 10 0 8 8
40microldisc 12 5 9 8
60microldisc 14 8 10 12
EPAER14 P purpurogenum
32
Fungus No Penicillium spp MPhaseolina Rsolani Fsolani Foxysporum
Zone of inhibition(mm)
20microldisc 12 8 10 8
40microldisc 14 8 12 8
60microldisc 14 14 14 12
33
34 In vitro antibacterial potentail of culture filtrates of endophytic Penicillium
Bacterial lawn of test bacteria was prepared in 90mm Petri dished conating Nutrient
agar and loaded disc of culture filterates at 20microldisc 40microldisc 60microldisc and control were
placed at equal distance in clockwise pattern in according to concentration Water
impregnated disc were used as negative control and Streptomycin 10microgdisc applied as +ve
control for gram +ve bacteria viz Salmonella typhimurium and Escherichia coli and
Penicillin applied as +ve control for gram positive bacteria viz Bacillus subtilus and
Staphlococcus aureus Zones of inhibition produced around the discs after 2-3 days growth
were recorded averaged and showed in millimeter (mm) The performance was conducted
twice and replicated four times
Fourteen isolates of Penicillium species were tested in vitro against four bacterial
species Bacillus subtilus and Staphlococcus aureus (Gram positive) and Salmonella
typhimurium and Escherichia coli (Gram negative)Cell free filtrate of culture of the
Penicillium resulted growth suppression of four bacteria Bsubtilus Saureus S
typhimurium and E coli in vitro Penicillium rugulosum was found to inhibit by Bsubtilus
by producing maximum zone of 9mm at 20microldisc 13mm at 40microldisc and 21mm at
60microldisc P rugulosum was found to inhibit by Saureus by producing maximum zone of
24mm at 20microldisc 30mm at 40microldisc and 30mm at 60microldisc P rugulosum was found to
inhibit S typhimurium by producing maximum zone of 12mm at 20microldisc 20mm at
40microldisc and 20mm at 60microldisc P rugulosum was found to inhibit E coli by producing
maximum zone of 18mm at 20microldisc 22mm at 40microldisc and 22mm at 60microldisc Bsubtilus
was inhibited by P lividum and Plilacinum by producing 16mm and 10mm zone at 20 40
and 60microldisc respectively Saureus was inhibited by P lividum and Plilacinum by
producing zone of inhibition of 18mm at 40 and 60microldisc and 20mm at 60microldisc
respectively E coli was found to inhibit by P decumbens by producing zone of 18mm at all
concentration (Table 3 and Fig 8)
34
Table3 In vitro growth suppression of Bsubtilus Saureus S typhimurium and E coli by culture filtrates of endophytic Penicillium
species
Fungus No Penicillium sp Bsubtilus Saureus S typhimurium E coli
Zone of inhibition mm
Control 0 0 0 0
Streptomycin 20 microgdisc 15 15 15 15
EPSMR1 P citrinum
20microldisc 6 4 4 4
40 microldisc 6 8 8 6
60 microldisc 6 8 8 6
EPSMS2 Plilacinum
20microldisc 10 10 14 8
40 microldisc 10 10 16 8
60 microldisc 10 12 20 8
EPSML3 Ppurpurogenum
20microldisc 4 6 0 0
40 microldisc 6 6 0 4
60 microldisc 8 8 10 4
EPSLR4 P nigricans
20microldisc 0 0 0 0
35
Fungus No Penicillium sp Bsubtilus Saureus S typhimurium E coli
Zone of inhibition mm
40 microldisc 4 4 2 4
60 microldisc 4 8 4 4
EPAAR5 P rugulosum
20microldisc 9 24 12 18
40 microldisc 13 30 20 22
60 microldisc 21 30 20 22
EPAIR6 P decumbens
20microldisc 6 4 10 18
40 microldisc 6 6 12 18
60 microldisc 6 8 14 18
EPEHS7 Ppurpurogenum
20microldisc 0 0 0 0
40 microldisc 8 6 0 0
60 microldisc 10 8 4 4
EPCTS8 P restrictum
20microldisc 2 4 4 4
40 microldisc 8 6 4 8
60 microldisc 8 8 6 12
EPASS9 P duclauxi
36
Fungus No Penicillium sp Bsubtilus Saureus S typhimurium E coli
Zone of inhibition mm
20microldisc 0 4 0 12
40 microldisc 0 4 0 12
60 microldisc 0 6 0 16
EPHAL10 Pasperum
20microldisc 0 8 4 2
40 microldisc 4 10 4 2
60 microldisc 4 10 6 4
EPAER11 Pthomii
20microldisc 0 0 0 4
40 microldisc 0 0 0 8
60 microldisc 0 0 0 8
EPMCL12 P lividum
20microldisc 16 16 8 4
40 microldisc 16 18 12 6
60 microldisc 16 18 12 6
EPSLR13 P javanicum
20microldisc 0 0 0 14
40 microldisc 0 0 0 16
60 microldisc 0 8 0 16
37
Fungus No Penicillium sp Bsubtilus Saureus S typhimurium E coli
Zone of inhibition mm
EPAER14 P purpurogenum
20microldisc 0 0 0 0
40 microldisc 8 6 0 0
60 microldisc 10 8 4 4
38
Fig 8 Growth inhibition of Saureus by the culture filterate of endophytic Penicillium in
disc diffusion method
A=Control B=+ve control C=20microldisc D=40microldisc E=60microldisc
35 In vitro nematicidal potentail of culture filtrates of endophytic Penicillium
spp
Penicillium isolates were grown in CDB (Czapekrsquos Dox broth) pH (72) at (25-
30oC) for 15 days and filtered and culture filtrate was collected in sterile flasks for use
Suspension of 10 juveniles per ml and culture filtrate (1 ml) of Penicillium isolates
shifted in cavity blocks and placed at 26 plusmn5oC These were replicated three times and
mortality rate of juvenile was noticed subsequently 24 and 48 hours
Culture filtrates of endophytic Penicillium exhibited nematicidal effects juveniles
mortality of Meloidogyne javanica occurred at different percentages Out of 14 isolates
tested Ppurpurogenum (EPSML3) initiated 100 killing of juveniles of M javanica in
24 h While 10 isolates initiated 50 or more juveniles mortality in 48 hours (Table 4)
A
B
C
E D
39
Table4 Effect of cell free culture filtrate of endophytic Penicillium spp on juveniles mortality of Meloidogyne javanica after 24 and
48 hours
Treatments Code Juveniles Mortality
24Hours 48Hours
Control(CDA Broth) hellip 0 0
P decumbens EPAIR6 50 76
Pnigricans EPSLR4 10 33
Pregulosum EPAAR5 46 63
P citrinum EPSMR1 36 73
Plilacinum EPSMS2 36 83
Ppurpurogenum EPSML3 100 100
Pduclauxi EPASS9 10 76
Plividum EPMCL12 16 53
Ppurpurogenum EPEHS7 43 76
Prestrictum EPCTS8 76 83
Pthomii EPAER11 43 43
Ppurpurogenum EPAER14 43 76
Pjavanicum EPSLR13 10 33
Pasperum EPHAL10 30 70
40
41
36 In-vitro antimicrobial potentail of solvent fractions of culture filtrtaes of
endophytic Penicillium
In our present study filtrates of culture of each fungus extracted thrice with n-
hexane and then chloroform by shaking vigorously in a separating funnel The extraction
volume of each solvent is approximately half to that of filtrate The n-hexane and
chloroform fractions were collected pooled and finally crude extracts on a rotary vacum
evaporator (Eyela-NE) separately and weighed The dilutions of 15mgml of n-hexane and
chloroform were dissolved in their respective solvents and weighed down on senitized
discs at 20 40 and 60microldisc and dried These are used for antimicrobial test by Disc
Diffusion Method as described for cell free culture filtarates section (Hadacek and Greger
2000) Solvent of respective fractions were served as control streptomycin at 20microgdisc
was used as positive control in determining antibacterial activity against Salmonella
typhimurium Escherichia coli Bacillus subtilus Staphlococcus aureus and Pseudomonas
auroginosa Whereas in antifungal activity carbendazim at 20microgdisc used as positive
control against root rotting fungi Mphaseolina Foxysporum Fsolani and Rsolani
There were four replicates of each treatment
361 In-vitro fungicidal potentail of n-hexane fractions
P rugulosum and Ppurpurogenum (EPEHS7) produced inhibition zones of 20mm
against Mphaseolina whereas P decumbens produced maximum inhibition zones of
25mm against Foxysporum and Fsolani was also inhibited P rugulosum
Ppurpurogenum (EPEHS7) and P nigricans Highest zone of inhibition of 25mm at
60microldisc were produced by P rugulosum against Rsolani (Table 5)
42
Table5 In vitro growth inhibition of M Phaseolina R Solani F solani and F oxysporum by n-Hexane fraction of endophytic
Penicillium species
Fungus No Penicillium sp M phaseolina R solani F solani F oxysporum
Zone of inhibition mm
Control 0 0 0 0
Carbendazim 20 microgdisc 30 30 30 30
EPSLR4 P nigricans
20microldisc 0 18 8 12
40 microldisc 0 18 12 15
60 microldisc 0 18 12 15
EPAAR5 P rugulosum
20microldisc 20 22 20 15
40 microldisc 20 25 20 15
60 microldisc 20 25 20 15
EPAIR6 P decumbens
20microldisc 0 0 0 25
40 microldisc 0 0 0 25
60 microldisc 0 0 0 25
EPEHS7 Ppurpurogenum
20microldisc 20 20 20 0
43
40 microldisc 20 20 20 0
60 microldisc 20 `20 20 0
EPHAL10 Pasperum
20microldisc 0 0 0 0
40 microldisc 0 0 0 0
60 microldisc 0 0 0 0
44
362 In-vitro antibacterial potentail of n-hexane fractions of culture filtrates of
endophytic Penicillium
Pasperum and P rugulosum inhibited Bacillus subtilus by producing inhibition
zones ranging from 12-14mm respectively P rugulosum suppressed the growth of
Staphlococcus aureus by producing inhibition zone 24mm at 60microldisc while P
rugulosum also formed inhibition zones measuring 18mm against Escherichia coli whereas
the inhibition zones of 20mm against Salmonella typhimurium were produced by P
rugulosum Similarly P rugulosum inhibited Pseudomonas auroginosa with zones of
25mm (Table 6 and Fig9-12)
363 In-vitro fungicidal potentail of chloroform fractions of culture filtrates of
endophytic Penicillium
P rugulosum produced inhibition zones of 20mm 25mm 20mm and 15mm at
60microldisc against Fsolani Rsolani Mphaseolina Rsolani and Foxysporum (Table 7)
45
Table6 In vitro growth inhibition of Bsubtilus Saureus S typhimurium E coli and Pauroginosa by n-hexane fraction of
endophytic Penicillium species
Penicillium sp Bsubtilus Saureus S typhimurium E coli Pauroginosa
Zone of inhibition mm
Control 0 0 0 0 0
Streptomycin 20 microgdisc 15 15 15 15 15
EPSLR4 P nigricans
20microldisc 6 10 8 8 8
40 microldisc 9 10 8 8 9
60 microldisc 11 11 9 12 10
EPAAR5 P rugulosum
20microldisc 0 18 18 11 18
40 microldisc 0 21 18 11 22
60 microldisc 0 24 20 18 22
EPAIR6 P decumbens
20microldisc 0 8 16 0 11
40 microldisc 0 8 16 0 11
60 microldisc 0 12 16 0 11
EPEHS7 Ppurpurogenum
20microldisc 5 10 7 8 9
40 microldisc 8 10 7 8 11
46
60 microldisc 8 12 7 8 11
EPHAL10 Pasperum
20microldisc 10 8 6 10 10
40 microldisc 11 9 6 10 10
60 microldisc 12 11 9 10 12
47
Fig9 Growth inhibition of Pauroginosa by the n-hexane fraction endophytic Penicillium in
disc diffusion method
Fig10 Growth inhibition of Saureus by the n-Hexane fraction of endophytic Penicillium in
disc diffusion method
C
+ve C
20microl
60microl
40microl
+veC
20microl
40microl
60microl
C
48
Fig11 Growth inhibition of S typhimurium by the n-Hexane fraction of endophytic
Penicillium in disc diffusion method
Fig12 Growth inhibition of E coli by the n-Hexane fraction of endophytic Penicillium in
disc diffusion method
C
60microl
40microl
20microl +veC
vCCe
veve
+veC
vCCe
veve
C
60microl
20microl
40microl
49
Table7 In vitro growth suppression of M Phaseolina R Solani F solani and F oxysporum by chloroform fraction of endophytic
Penicillium species
Fungus No Penicillium sp M Phaseolina R Solani F solani F oxysporum
Zone of inhibition mm
Control 0 0 0 0
Carbendazim 20 microgdisc 30 30 30 30
EPSLR4 P nigricans
20microldisc 0 0 0 0
40 microldisc 0 0 0 0
60 microldisc 0 0 0 0
EPAAR5 P rugulosum
20microldisc 15 0 20 20
40 microldisc 15 0 20 20
60 microldisc 15 0 20 20
EPAIR6 P decumbens
20microldisc 0 0 0 0
40 microldisc 0 0 0 0
60 microldisc 0 0 0 0
EPEHS7 Ppurpurogenum
20microldisc 25 0 20 15
40 microldisc 25 0 20 15
50
60 microldisc 25 0 20 15
EPHAL10 Pasperum
20microldisc 0 0 0 0
40 microldisc 0 0 0 0
60 microldisc 0 0 0 0
364 In-vitro antibacterial potentail of chloroform fractions of culture filtrates of endophytic Penicillium
P rugulosum inhibited Bacillus subtilus Staphlococcus aureus Salmonella typhimurium and Pseudomonas auroginosa by
producing inhibition zones ranging from 21-18mm P rugulosum while P rugulosum also produced inhibition zones measuring
11mm against Escherichia coli whereas the inhibition zones of 14mm against Escherichia coli were produced by P nigricans
(Table 8 and Fig12)
51
Table8 In vitro growth inhibition of Bsubtilus Saureus S typhimurium E coli and Pauroginosa by chloroform fraction of
endophytic Penicillium species
Fungus No Penicillium sp Bsubtilus Saureus S typhimurium E coli Pauroginosa
Zone of inhibition mm
Control 0 0 0 0 0
Streptomycin 20 microgdisc 15 15 15 15 15
EPSLR4 P nigricans
20microldisc 16 16 14 14 16
40 microldisc 16 16 14 14 18
60 microldisc 18 16 16 14 20
EPAAR5 P rugulosum
20microldisc 18 18 20 11 20
40 microldisc 18 18 20 11 21
60 microldisc 18 18 20 11 21
EPAIR6 P decumbens
20microldisc 0 0 0 0 0
40 microldisc 0 0 0 0 0
60 microldisc 0 0 0 0 0
EPEHS7 Ppurpurogenum
20microldisc 0 0 14 0 0
52
40 microldisc 0 0 14 0 0
60 microldisc 0 0 14 0 0
EPHAL10 Pasperum
20microldisc 0 7 11 0 6
40 microldisc 0 7 11 0 6
60 microldisc 0 10 11 0 9
53
4
Fig13 Growth inhibition of S typhimurium by the chloroform fraction of endophytic
Penicillium in disc diffusion method
C
+ve C
20microl 40microl
60microl
54
3656 Extraction and characterization of compounds from mycelium of endophytic
Penicillium
Czapekrsquos Dox broth of Penicillium regulosum was prepared in (250 ml) conical
flask containing (100 ml) A 5mm disc of test Penicillium was cuttedinoculated and
incubated (25-30degC) and left for 15 days When fungi secreted secondry metabolites then
cell free culture filtrates were obtained by filtering The mycelium was used for the
extraction of compounds
10 gm mycelium was thoroughly washed with n-hexane solvent to remove excess
water and extracted with 200 mL n-hexane using a Soxhlet extractor for 8 h The extracts
were filtered and dried at 40degC by using a rotary vacuum evaporator The oily mass
extracted from mycelium of Penicillium regulosum was subjected to GC-MS analysis
GCMS (Gas chromatographymass spectrometer) analyzed on High Resolution Mass
spectrometer Jeol HX-110 (Japan) equipped with data system DA-5500 in combination with
gas chromatograph Hewlett packard (5890)
Total 23 different chemical compounds were obtained from mycelium fraction Volatile
compound such as normal hydrocarbon (akane and alkene) fatty acid alcohol ether
terpenoids and benzene derivatives including cyclohexane and other compounds that were
found among the volatile metabolites were identified by mass spectral data base (Table 9)
55
(1) Nanodecane
(2) Nonadecane
(3) Heptadecane
(4) Heptacosane
(5) Heptacosane
(6) Eicosane
(7) Octadecane
(replib) Nonadecane
50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 2400
50
10057
71
85
99113 127 141 155 169 183 197
(replib) Nonadecane
60 80 100 120 140 160 180 200 220 240 260 2800
50
10057
71
85
99113 127 141 155 169 183 197 268
(replib) Heptadecane
50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 240 2500
50
10057
71
85
99113 127 141 155 169 182 196 210 240
(replib) Heptacosane
60 80 100 120 140 160 180 200 220 240 260 280 300 320 3400
50
10057
71
85
99113 127 141 155 169 183 197 211 225 239 253 267 281 294 308 322 336
(replib) Heptacosane
60 80 100 120 140 160 180 200 220 240 260 280 300 3200
50
10057
71
85
99113 127 141 155 169 183 197 211 225 239 253 267 281 294 308 322
(mainlib) Eicosane
60 80 100 120 140 160 180 200 220 240 260 2800
50
10057
71
85
99113
127 141 155 169 183 197 211 225 238 252 282
(replib) Octadecane
60 80 100 120 140 160 180 200 220 240 2600
50
10057
71
85
99113 127 141 155 169 183 197 210 225 254
56
(8) Tetradecanoic acid
(9) Dodecane 2610-trimethyl-
(10) i-Propyl tetradecanoate
(11) i-Propyl 12-methyltetradecanoate
(12) Ethyl 13-methyl-tetradecanoate
(13) Widdrol hydroxyether
(mainlib) Tetradecanoic acid
50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 2400
50
100
55
60
69
73
8397 115
129
138
143157
171
185
199209
228
OH
O
(replib) Dodecane 2610-trimethyl-
60 80 100 120 140 160 180 200 220 240 2600
50
10057
71
85
97
113127
141 155 168183 197 212
(mainlib) i-Propyl tetradecanoate
50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 240 2500
50
100
60
71
8397
102
111
129
143157
171
185
199
211
228
O
O
(mainlib) i-Propyl 12-methyltetradecanoate
60 80 100 120 140 160 180 200 220 240 2600
50
10057
60
71
83 97
102
111 129
143153 165
177
185
195 213225
242O
O
(mainlib) Ethyl 13-methyl-tetradecanoate
60 80 100 120 140 160 180 200 220 240 260 2800
50
100
55
61
70
88
101
115129
143
157
171 185 199 213
227
241 255
270
O
O
(mainlib) Widdrol hydroxyether
60 80 100 120 140 160 180 200 220 240 260 2800
50
100
55
69
81
95 109
123
135
140
150
167
177 205223
238
O
OH
57
(14) n-Hexadecanoic acid
(15) Hexadecanoic acid ethyl ester
(16) Oleic Acid
(17) 912-Octadecadienoic acid ethyl ester
(replib) n-Hexadecanoic acid
60 80 100 120 140 160 180 200 220 240 2600
50
10060 73
8397
115
129
143157 171 185
199
213
227 239
256
OH
O
(mainlib) Hexadecanoic acid ethyl ester
60 80 100 120 140 160 180 200 220 240 260 2800
50
100
55
61 73
88
101
115129 143
157
171 185 199 213 225239
255 267284
O
O
(mainlib) 912-Octadecadienoic acid ethyl ester
60 80 100 120 140 160 180 200 220 240 260 280 300 3200
50
100
55
6781
95
109
123135 150 164 178
192 205 220 234
263
279
308
O
O
(replib) Oleic Acid
60 80 100 120 140 160 180 200 220 240 260 2800
50
10055
69
83
97
111
125137 151 165 180 193 207 222 236
264
282
HO
O
58
(18) Ethyl Oleate
(19) cis-10-Nonadecenoic acid
(20) 2-Propenoic acid 3-(4-methoxyphenyl)- 2-ethylhexyl ester
(21) 12-Benzenedicarboxylic acid diisooctyl ester
(replib) Ethyl Oleate
60 80 100 120 140 160 180 200 220 240 260 280 300 3200
50
10055
6983
97
111123
137 155180
194 207
222
236
264
281
310
O
O
(mainlib) cis-10-Nonadecenoic acid
60 80 100 120 140 160 180 200 220 240 260 280 300 3200
50
10055
6983
97
111
125137 151 165 179 194 207 221 236 249 261
278296
HO
O
(mainlib) 2-Propenoic acid 3-(4-methoxyphenyl)- 2-ethylhexyl ester
60 80 100 120 140 160 180 200 220 240 260 280 3000
50
100
55 77 90 103118
133
147
161
178
191 262290
O
O
O
(replib) 12-Benzenedicarboxylic acid diisooctyl ester
60 90 120 150 180 210 240 270 300 330 360 3900
50
100
5770
83 104132
149
167
279
O
O
O
O
(mainlib) Cyclopenta[ad]cycloocten-5-one 1233a456899a1010a-dodecahydro-7-(1-methylethyl)-19a-dimethyl-4-methylene
60 90 120 150 180 210 240 270 300 330 360 3900
50
100
55
69
81
95
107
121
147
173189
215
231
243
258
286
O
59
(22) Cyclopenta[ad]cycloocten-5-one 1233a456899a1010a-dodecahydro-7-(1-
methylethyl)-19a-dimethyl-4-methylene
(23) 2-Aminofluorescein
(mainlib) 2-Aminofluorescein
50 100 150 200 250 300 350 400 450 500 550 600 6500
50
100
63 91
151
189
287
303
318 347
O
O
OHO OH
H2N
60
Table9 GCMS of mycelial fraction of Penicillium regulosum
SNo Scan
No
Systemic Name
(Common Name)
Mol
Formula
Mol
Wt
Ret
Time
Conc
1 2606 Nanodecane C19H40 268 24168 0036
2 2913 Heptadecane C17H36 240 2641 0035
3 2998 Tetradecanoic acid C14H28O2 228 27038 0056
4 3230 Octadecane C18H38 254 28737 0049
5 3264 Dodecane 2610-trimethyl- C15H32 212 28986 0077
6 3331 i-Propyl tetradecanoate C17H34O2 270 29476 0058
7 3381 i-Propyl 12-methyltetradecanoate C18H36O2 284 29842 0097
8 3496 Ethyl 13-methyl-tetradecanoate C17H34O2 270 30684 0054
9 3653 Nonadecane C19H40 268 31834 0064
10 3975 Widdrol hydroxyether C15H26O2 238 34192 0094
11 4096 n-Hexadecanoic acid C16H32O2 256 35078 0079
12 4223 Hexadecanoic acid ethyl ester C18H36O2 284 36007 0094
13 4252 Eicosane C20H42 282 36220 0093
14 5475 Oleic Acid C18H34O2 282 45175 0105
15 5516 912-Octadecadienoic acid ethyl ester C20H36O2 308 45475 0084
16 5546 Ethyl Oleate C20H38O2 310 45694 0065
61
17 5970 cis-10-Nonadecenoic acid C19H36O2 296 48799 0053
18 6023 Heptacosane C27H56 380 49187 0051
19 6072 2-Propenoic acid 3-(4-methoxyphenyl)- 2-ethylhexyl ester C18H26O3 290 49546 0058
20 6281 Heptacosane C27H56 380 51076 0044
21 6591 12-Benzenedicarboxylic acid diisooctyl ester C24H38O4 390 53346 0048
22 6668 Cyclopenta[ad]cycloocten-5-one 1233a456899a1010a-
dodecahydro-7-(1-methylethyl)-19a-dimethyl-4-methylene
C20H30O 286 53910 004
23 8458 2-Aminofluorescein C20H13NO5 347 67016 0135
62
37 Screen house experiments
371 Effect of endophytic Penicillium in soil amended with neem cake in inhibition
of the root diseases and growth of sunflower (2016)
Fourteen isolates of endophytic Penicillium viz P duclauxi Plilacinum
Ppurpurogenum (EPSML3) Pnigricans Pregulosum P decumbens Ppurpurogenum
(EPEHS7) P restrictum P citrinum Pasperum Pthomii Ppurpurogenum (EPAER14)
Plividum Pjavanicum and caused growth suppression of four root rotting fungi in vitro A
25ml five-day-old cell suspension of fungal isolates were drench in 1kg soil obtaining from
experimental field of the Department of Botany each clay pots Carbendazim considered as
+ve control against pathogenic fungi Application of endophytic Penicillium and 1 Neem
cake were also applied in another pot set In each pot (6 seeds per pot) seed of sunflower
(Helianthus annuus) were sown and kept four seedlings after germination Treatments were
replicated four times watered daily
After six weeks experiment were harvested to evaluate the potentail of endophytic
Penicillium on the suppression of pathogens and growth of plant and data on height of
plant weight of fresh shoot length of root weight of root were measured and noted The
infection of root rotting fungi roots cleaned with tap water 5 root pieces of 1cm were
sterilized with 1 bleach and placed on plates poured with (Potato Dextrose Agar) PDA
mixed with penicillin (100000 units litre) and streptomycin (02 glitre) After incubation
of 5 day occurrence of root rots were recorded
Plant grown in soil amended with neem cake generally showed less infection of
root rotting fungi related to plant grown in natural soil (un-amended soil) Plant inoculated
with endophytic Penicillium species most of them showed less infection of root rotting
fungi related to control plant Plants grown in pots received Endophytic Pregulosum in
natural soil and also in amended soil with neem cake showed no infection of F oxysporum
Whereas P Pnigricans Pregulosum P citrinum Ppurpurogenum (EPSML3)
Pduclauxi Pthomii Pjavanicum and P decumbens in amended soil with neem cake also
showed no infection of F oxysporum Combine effect of isolates P decumbens
63
Pnigricans P citrinum P lividum Plilacinum Ppurpurogenum (EPSML3) Pduclauxi
Ppurpurogenum (EPEHS7) P restrictum Pthomii Ppurpurogenum (EPAER14)
Pjavanicum and neem cake showed no infection on Fsolani P decumbens Pnigricans
Pregulosum and Pjavanicum also showed no infection of Fsolani when used alone
Plividum alone showed no infection of Mphaseolina on sunflower roots Combine effect
of P decumbens Pnigricans Pregulosum Pthomii and Pjavanicum with neem cake
showed significant reduction on infection of Mphaseolina Application of P decumbens
Pnigricans P citrinum Plividum Ppurpurogenum (EPEHS7) Ppurpurogenum
(EPAER14) and Pjavanicum showed no infection of Rsolani P decumbens
Pregulosum P citrinum Plilacinum Ppurpurogenum (EPSML3) Pduclauxi
Ppurpurogenum (EPEHS7) P restrictum Ppurpurogenum (EPAER14) Pjavanicum
with neem cake showed no infection of Rsolani While Pnigricans Plividum Pthomii
and Pasperum Significantly suppressed the Rsolani infection when applied in neem cake
amended soil (Table 10)
Greater plant height was produced by Ppurpurogenum (EPEHS7) P restrictum
Ppurpurogenum (EPAER14) and Pasperum when applied in neem cake amended soil
However effect of P restrictum and Pasperum with neem cake were significant on fresh
shoot weight (Table 10) Pnigricans Pthomii and Pjavanicum alone showed significant
result of root length and root weight whereas P decumbens and Pduclauxi with neem
cake showed greater root length (Table 11 and Fig13-14)
64
Table10 Effect of endophytic Penicillium and neem cake on the infection of Fusarium solani Foxysporum Rhizoctonia solani and
Macrophomina phaseolina on sunflower roots in green house experiment
Infection
Treatments Code Foxysporum
Fsolani
M phaseolina Rsolani
NS AS NS AS NS AS NS AS
Control hellip 50 187 75 25 75 50 187 125
Carbendazim hellip 25 0 312 62 125 25 125 0
P decumbens EPAIR6 187 0 0 0 25 187 0 0
Pnigricans EPSLR4 62 0 0 0 375 187 0 62
Pregulosum EPAAR5 0 0 0 187 62 187 62 0
P citrinum EPSMR1 375 0 25 0 125 25 0 0
Plilacinum EPSMS2 25 62 187 0 62 50 62 0
Ppurpurogenum EPSML3 50 0 125 0 62 25 62 0
Pduclauxi EPASS9 50 0 62 0 312 312 62 0
Plividum EPMCL12 50 62 50 0 0 50 0 62
Ppurpurogenum EPEHS7 375 187 375 0 50 312 0 0
Prestrictum EPCTS8 50 62 62 0 125 437 62 0
Pthomii EPAER11 62 0 62 0 375 187 62 62
Ppurpurogenum EPAER14 375 187 375 0 50 312 0 0
Pjavanicum EPSLR13 62 0 0 0 375 187 0 0
Pasperum EPHAL10 125 0 25 187 375 312 62 62
LSD005 Treatment=4651 Pathogen=2322 Soil Type=1643
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
3Mean values in the NS and AS column showing difference greater than LSD value are significantly different at plt005
NS= Natural Soil AS=Amended Soil
65
Table11 Effect of endophytic Penicillium and neem cake on the growth of sunflower in green house experiment
Treatments Code Shoot Length
Shoot Weight
Root Length Root weight
(cm)
(g)
(cm)
(g)
NS AS NS AS NS AS NS AS
Control 22775 3993 253 535 643 1162 0645 0675
Carbendazim 2585 418 2216 451 742 1287 0715 0622
P decumbens EPAIR6 2541 4487 243 512 1103 1406 077 0786
Pnigricans EPSLR4 2824 44 277 527 1221 1218 1005 0645
Pregulosum EPAAR5 2527 4406 25 475 862 1287 0781 0629
P citrinum EPSMR1 2599 4681 218 51 94 862 0726 0807
Plilacinum EPSMS2 22685 4587 205 539 631 558 0663 0578
Ppurpurogenum EPSML3 25211 4087 215 471 932 681 0841 0648
Pduclauxi EPASS9 2541 4487 243 512 1103 1406 077 0786
Plividum EPMCL12 22685 4587 205 539 631 558 0663 0578
Ppurpurogenum EPEHS7 234 4931 153 573 887 725 0583 0748
Prestrictum EPCTS8 26186 4918 214 678 918 757 069 0866
Pthomii EPAER11 2824 44 277 527 1221 1218 1005 0645
Ppurpurogenum EPAER14 234 4931 153 573 887 725 0583 0748
Pjavanicum EPSLR13 2824 44 277 527 1221 1218 1005 0645
Pasperum EPHAL10 26186 4918 214 678 918 757 069 0866
LSD005 5141 7881 07911 1821 2551 2821 01951 031
1 Difference greater than LSD values among means in column are significant at plt005
NS= Natural Soil AS=Amended Soil
66
372 Effect of endophytic Penicillium with neem cake in inhibition of the root
diseases and growth of Sunflower (2017)
Fourteen isolates of endophytic Penicillium viz P citrinum Plilacinum
Ppurpurogenum (EPSML3) Pnigricans Pregulosum P decumbens Ppurpurogenum
(EPEHS7) P restrictum Pduclauxi Pasperum Pthomii Plividum Pjavanicum and
Ppurpurogenum (EPAER14) caused growth suppression of four root rotting fungi in vitro
A 25ml five-day-old cell suspension of fungal isolates were drench in 1kg soil obtaining
from experimental field of the Department of Botany each clay pots Carbendazim
considered as positive control against root rotting fungi Application of endophytic
Penicillium and 1 Neem cake were also applied in another pot set In each pot (6 seeds per
pot) seed of sunflower (Helianthus annuus) were sown and kept four seedlings after
germination Treatments were replicated four times watered daily
After six weeks experiment were harvested to evaluate the potentail of endophytic
Penicillium on the suppression of pathogens and growth of plant and data on plant height
fresh shoot weight root length root weight were measured and noted The infection of
root rotting fungi roots were washed under tap water 5 root pieces of 1cm were sterilized
with 1 bleach and placed on plates poured with Potato Dextrose Agar mixed with
penicillin (100000 units litre) and streptomycin (02 glitre) After incubation of 5 day
occurrence of root rots were recorded
67
68
Fig14 Growth promotion by the endophytic Penicillium in sunflower
Control +veControl EP EP EP
69
Fig14 Growth promotion by the endophytic Penicillium in neem cake amended soil in
sunflower
Control +ve Control EP
+veControl EP
EP
EP EP EP EP
EP
Control
70
Plant grown in soil amended with neem cake generally showed less infection of
root rotting fungi as compared to plant grown in natural soil (un-amended soil) Plant
inoculated with endophytic Penicillium species most of them showed less infection of
root rotting fungi as compared to untreated control Plants grown in pots received
Endophytic Penicillium isolates caused significant reduction except Ppurpurogenum
(EPSML3) and Plividum which caused no reduction as compared to untreated control
on F oxysporum infection Whereas pots received endophytic P citrinum
Ppurpurogenum (EPSML3) Pnigricans Pregulosum P decumbens Pduclauxi
Pthomii Pjavanicum with neem cake showed complete suppression of F oxysporum
Combine effect of isolates Pnigricans P citrinum Plilacinum Plividum P
restrictum Pthomii Pjavanicum and neem cake showed no infection of Fsolani P
decumbens Pnigricans and Pjavanicum also showed complete suppression of
infection of Fsolani while Plividum showed no difference from control when used
alone Plividum alone showed no infection of Mphaseolina on sunflower roots
Combine effect of all treatments with neem cake showed significant reduction on
infection of Mphaseolina Application of P decumbens P citrinum Plividum
Ppurpurogenum (EPEHS7) and Pregulosum showed no infection of Rsolani P
decumbens Pnigricans P citrinum Ppurpurogenum (EPSML3) Pduclauxi
Ppurpurogenum (EPEHS7) P restrictum Ppurpurogenum (EPAER14) and
Pjavanicum with neem cake showed complete suppression of Rsolani (Table 12)
Plant grown in soil amended with neem cake generally showed greater height as
compared to plant grown in natural soil (un-amended soil) Plant inoculated with
endophytic Penicillium species most of them showed larger shoot length as compared to
untreated control Greater plant height was produced by Plilacinum when applied in
neem cake amended soil (Table 13 and Fig 15-17)
71
Table12 Effect of endophytic Penicillium and neem cake on the infection of Fusarium solani Foxysporum Rhizoctonia solani and
Macrophomina phaseolina on sunflower roots in green house experiment
Infection
Treatments Code Foxysporum
Fsolani
M phaseolina Rsolani
NS AS NS AS NS AS NS AS
Control 50 187 50 25 75 75 187 125
Carbendazim 125 62 312 62 125 25 62 62
P decumbens EPAIR6 125 0 0 62 25 187 0 0
Pnigricans EPSLR4 62 0 0 0 312 187 62 0
Pregulosum EPAAR5 125 0 25 62 125 125 0 62
P citrinum EPSMR1 375 0 25 0 125 25 0 0
Plilacinum EPSMS2 25 62 187 0 62 50 62 62
Ppurpurogenum EPSML3 50 0 125 62 62 25 62 0
Pduclauxi EPASS9 25 0 62 62 312 187 62 0
Plividum EPMCL12 50 62 50 0 0 50 0 62
Ppurpurogenum EPEHS7 375 187 312 125 50 31 0 0
Prestrictum EPCTS8 125 62 62 0 125 437 62 0
Pthomii EPAER11 62 0 62 0 375 187 62 62
Ppurpurogenum EPAER14 375 187 312 125 50 312 62 0
Pjavanicum EPSLR13 62 0 0 0 312 187 62 0
Pasperum EPHAL10 125 125 25 187 312 312 62 62
LSD005 Treatment=4451 Pathogen=2222 Soil Type=1573
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
3Mean values in the NS and AS column showing difference greater than LSD value are significantly different at plt005
NS= Natural Soil AS=Amended Soil
72
Table13 Effect of endophytic Penicillium and neem cake on the growth of sunflower in green house experiment
Treatments Code
Shoot Length
(cm)
Shoot Weight
(g)
Root Length Root weight
(cm)
(g)
NS AS NS AS NS AS NS AS
Control 3256 3893 378 642 57 1034 085 131
Carbendazim 3781 4293 452 607 84 1025 124 128
P decumbens EPAIR6 4412 6275 386 1013 7 768 086 213
Pnigricans EPSLR4 4838 6208 489 953 863 656 096 141
Pregulosum EPAAR5 4568 6412 472 994 658 666 0909 128
P citrinum EPSMR1 385 6443 373 1425 75 787 088 226
Plilacinum EPSMS2 345 6551 206 1019 706 645 072 161
Ppurpurogenum EPSML3 3545 6037 2405 909 677 593 091 144
Pduclauxi EPASS9 4412 6275 386 1013 7 768 086 213
Plividum EPMCL12 345 6551 206 1019 706 645 072 161
Ppurpurogenum EPEHS7 385 59 245 886 868 1118 083 163
Prestrictum EPCTS8 4158 5006 362 818 6102 1275 067 186
Pthomii EPAER11 4838 6208 489 953 863 656 096 141
Ppurpurogenum EPAER14 385 59 245 886 868 1118 083 163
Pjavanicum EPSLR13 4838 6208 489 953 863 656 096 141
Pasperum EPHAL10 4158 5006 362 818 6102 1275 067 186
LSD005 10331 8971 2271 5521 3021 2171 04581 1071
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
NS= Natural Soil AS=Amended Soil
73
Fig15 Growth promotion by the endophytic Penicillium in soil amended with neem cake
in sunflower
373 Effect of endophytic Penicillium with neem cake in inhibition of root diseases
and mung bean growth
In an experiment a 25 ml cell suspension of five-day-old cultures of Fourteen
isolates of endophytic Penicillium viz P citrinum Plilacinum Ppurpurogenum
(EPSML3) Pnigricans Pregulosum P decumbens Ppurpurogenum (EPEHS7) P
restrictum Pduclauxi Pasperum Pthomii Plividum Pjavanicum and
Ppurpurogenum (EPAER14) were applied in pots filled with 1 Kg soil Endophytic
Penicillium were drench in each pots with 1 neem cake in another pot set Mung bean
(Vigna radiata) seeds were sown pots (6 seeds per pot) Four seedlings were remained in
each pots after germination Treatments were replicated four times and data were noticed
after 45 days
EP
Carbendazim Control
74
No infection of Foxysporum were found Plilacinum Ppurpurogenum (EPSML3)
and Pduclauxi when used in natural soil Whereas infection of Foxysporum was also not
found where Plilacinum Pnigricans and Pduclauxi used in neem cake amended soil
Significant reduction in infection of Fsolani was seen in natural soil by all isolates whereas
in neem cake amended soil all isolates also showed significant reduction other than P
citrinum which showed infection equal to control treatment 75 No infection of
Mphaseolina was showed by P citrinum in both type of soil whereas P restrictum also
showed no infection of Mphaseolina only in natural soil Control showed no infection of
Rsolani in natural soil while Pnigricans Pasperum Pthomii and Pjavanicum in
amended soil showed no infection of Rsolani (Table 14)
Use of endophytic Plividum with neem cake caused a significant increase in
plant height while Pnigricans Plilacinum Ppurpurogenum (EPEHS7) Pasperum
Pthomii Pjavanicum and Ppurpurogenum (EPAER14) showed significant result in
natural soil Ppurpurogenum (EPEHS7) and Ppurpurogenum (EPAER15) showed
significant growth on Shoot weight in natural soil In natural soil greater root length was
showed by Plilacinum whereas in amended soil P restrictum Pasperum Pthomii and
Pjavanicum showed larger root length (Table 15)
75
Table14 Effect of endophytic Penicillium with neem cake on the infection of Fusarium solani Foxysporum Rhizoctonia solani and
Macrophomina phaseolinaon mung bean roots in green house experiment
Infection
Treatments Code Foxysporum
Fsolani
M phaseolina Rsolani
NS AS NS AS NS AS NS AS
Control hellip 50 312 100 75 100 50 0 562
Carbendazim hellip 125 62 50 312 187 25 0 25
P decumbens EPAIR6 125 25 375 437 187 437 0 125
Pnigricans EPSLR4 62 0 50 187 125 187 0 0
Pregulosum EPAAR5 125 187 437 50 312 50 62 562
P citrinum EPSMR1 62 62 437 75 0 0 62 62
Plilacinum EPSMS2 0 0 50 125 312 62 187 62
Ppurpurogenum EPSML3 0 25 375 50 25 25 437 187
Pduclauxi EPASS9 0 0 437 375 25 375 62 25
Plividum EPMCL12 62 25 25 687 125 375 62 50
Ppurpurogenum EPEHS7 62 125 375 312 187 187 62 25
Prestrictum EPCTS8 12 25 437 375 0 312 62 187
Pthomii EPAER11 62 62 437 25 125 312 0 0
Ppurpurogenum EPAER14 62 125 375 312 187 187 62 25
Pjavanicum EPSLR13 62 0 50 187 125 187 0 0
Pasperum EPHAL10 435 125 25 25 25 187 0 0
LSD005 Treatment=5611 Pathogen=2802 Soil Type=1983
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
3 Mean values in the NS and AS column showing difference greater than LSD value are significantly different at plt005
NS= Natural Soil AS=Amended Soil
76
Table15 Effect of endophytic Penicillium and neem cake on the growth of mung bean in green house experiment
Treatments Code Shoot Length
Shoot Weight
Root Length Root weight
(cm)
(g)
(cm)
(g)
NS AS NS AS NS AS NS AS
Control hellip 1375 1714 078 08 1531 4652 051 014
Carbendazim hellip 139 1865 073 1322 1556 473 056 015
P decumbens EPAIR6 1359 161 089 1055 1233 5002 055 023
Pnigricans EPSLR4 1463 1452 077 031 1125 6375 031 011
Pregulosum EPAAR5 1358 1775 073 0732 1943 4905 032 017
P citrinum EPSMR1 1299 1606 059 0617 165 477 039 016
Plilacinum EPSMS2 148 1685 083 0662 251 4175 046 022
Ppurpurogenum EPSML3 1299 1606 059 0617 165 477 039 016
Pduclauxi EPASS9 1187 1916 069 0855 1108 4562 017 016
Plividum EPMCL12 132 2147 061 1358 2252 4785 026 022
Ppurpurogenum EPEHS7 1448 1917 092 1115 1543 445 059 016
Prestrictum EPCTS8 1268 1874 068 1102 1087 702 031 02
Pthomii EPAER11 1463 179 077 1203 1125 7025 031 024
Ppurpurogenum EPAER14 1448 1917 092 1115 1543 445 059 016
Pjavanicum EPSLR13 1463 179 077 1203 1125 7025 031 024
Pasperum EPHAL10 1463 1874 077 1102 1125 702 031 02
LSD005 1611 4011 0191 2141 8421 1151 0171 0071
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
NS= Natural Soil AS=Amended Soil
77
374 Effect of Endophytic Penicillium and cotton cake in inhibition of root
diseases and mung bean growth
A 25 ml five-day-old cell suspension of fourteen isolates of endophytic
Penicillium viz P citrinum Plilacinum Ppurpurogenum (EPSML3) Pnigricans
Pregulosum P decumbens Ppurpurogenum (EPEHS7) P restrictum Pduclauxi
Pasperum Pthomii Plividum Pjavanicum and Ppurpurogenum (EPAER14) were
applied in clay pots filled with 1 Kg soil In similler set endophytic Penicillium were
drench in each pots alongwith 1 cotton cake Seeds of mungbean (Vigna radiata)
were sown Four seedlings were kept in each pot after germination Carbendazim (200
ppm) 25 ml pot considered as positive control
After 45 days data were noted Different Fsolani and Foxysporum infection
showed between plants treated with different isolates was significant Endophytic
Penicillium isolates separete or combine with cotton cake caused significant reduction
M phaseolina infection Plants grown in soil treated with Pnigricans Pregulosum P
decumbens Ppurpurogenum (EPEHS7) Pthomii Plividum Pjavanicum and
Ppurpurogenum (EPAER14) in cotton cake amended soil showed no infection of R
solani (Table 16)
Cotton cake and Pnigricans Pthomii Pjavanicum significant increased root
length and fresh root weight related to control plants While combine use of cotton cake
and P decumbens significantly improved fresh shoot weight (Table 17)
78
Table16 Effect of Endophytic Penicillium and cotton cake on the infection of Fusarium solani Foxysporum Rhizoctonia solani and
Macrophomina phaseolina on mungbean roots in green house experiment
Infection
Treatments Code Foxysporum
Fsolani
M phaseolina Rsolani
NS AS NS AS NS AS NS AS
Control hellip 50 50 100 75 100 75 0 187
Carbendazim hellip 125 50 50 75 187 75 0 187
P decumbens EPAIR6 125 0 375 312 187 375 0 0
Pnigricans EPSLR4 62 187 50 437 125 375 0 0
Pregulosum EPAAR5 125 62 437 125 312 187 62 0
P citrinum EPSMR1 62 25 437 437 0 437 62 187
Plilacinum EPSMS2 0 375 50 687 312 25 187 62
Ppurpurogenum EPSML3 0 437 375 50 25 687 437 185
Pduclauxi EPASS9 0 312 437 562 25 562 62 65
Plividum EPMCL12 62 125 25 25 125 25 62 0
Ppurpurogenum EPEHS7 62 0 375 312 187 125 62 0
Prestrictum EPCTS8 125 312 437 312 0 312 62 65
Pthomii EPAER11 62 187 437 437 125 375 0 0
Ppurpurogenum EPAER14 62 0 375 312 187 125 62 0
Pjavanicum EPSLR13 62 187 50 437 125 375 0 0
Pasperum EPHAL10 437 375 25 312 25 562 0 125
LSD005 Treatment=5891 Pathogen=2942 Soil Type=2083
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
3Mean values in the NS and AS column showing difference greater than LSD value are significantly different at plt005
NS= Natural Soil AS=Amended Soil
79
Table17 Effect of Endophytic Penicillium and Cotton cake on the growth of mung bean in green house experiment
Treatments Code
Shoot Length
Shoot Weight Root Length Root weight
(cm)
(g)
(cm)
(g)
NS AS NS AS NS AS NS AS
Control hellip 1375 1364 078 089 1531 613 051 031
Carbendazim hellip 139 1398 073 106 1556 699 056 038
P decumbens EPAIR6 1359 147 089 142 1233 79 055 039
Pnigricans EPSLR4 1463 1435 077 119 1125 1185 031 071
Pregulosum EPAAR5 1358 1322 073 101 1943 746 032 036
P citrinum EPSMR1 1299 1318 059 193 165 961 039 037
Plilacinum EPSMS2 148 1438 083 116 251 1096 046 045
Ppurpurogenum EPSML3 1299 1318 059 193 165 961 039 037
Pduclauxi EPASS9 1187 1438 069 13 1108 1178 017 048
Plividum EPMCL12 132 1323 061 107 2252 1024 026 048
Ppurpurogenum EPEHS7 1448 12875 092 107 1543 933 059 041
Prestrictum EPCTS8 1268 1453 068 128 1087 972 031 046
Pthomii EPAER11 1463 1435 077 119 1125 1185 031 071
Ppurpurogenum EPAER14 1448 12875 092 107 1543 933 059 041
Pjavanicum EPSLR13 1463 1435 077 119 1125 1185 031 071
Pasperum EPHAL10 1463 1453 077 128 1125 972 031 046
LSD005 1611 2661 0191 091 8421 271 0171 0291
1 Difference greater than LSD values among means in column are significant at plt005
NS= Natural Soil AS=Amended Soil
80
375 Effect of endophytic Penicillium in inhibition of root diseases and
mungbean growth
A 25 ml five-day-old cell suspension of fourteen isolates of endophytic
Penicillium viz P citrinum Plilacinum Ppurpurogenum (EPSML3) Pnigricans
Pregulosum P decumbens Ppurpurogenum (EPEHS7) P restrictum Pduclauxi
Pasperum Pthomii Plividum Pjavanicum and Ppurpurogenum (EPAER14) were
applied in clay pots filled with 1 Kg soil In similler set endophytic Penicillium were
drench in each pots alongwith 1 cotton cake Seeds of mungbean (Vigna radiata)
were sown Four seedlings were kept in each pot after germination Carbendazim (200
ppm) 25 ml pot considered as positive control
No infection of Foxysporum was found by Plilacinum and Pduclauxi
treatments Significant reduction in infection of Fsolani was seen by all isolates No
infection of Mphaseolina was showed by P citrinum and P restrictum All treatments
showed significant reduction on infection of Rsolani although Pnigricans P
decumbens Pthomii and Pjavanicum showed 0 infection (Table 18)
Application of Endophytic Pasperum caused a significant increase in plant
height Showed significant result in natural soil P citrinum caused significant growth
on Shoot weight Root length showed non-significant result P decumbens showed
greater fresh root weight (Table 19)
81
Table18 Effect of Endophytic Penicillium on the infection of Fusarium solani Foxysporum Rhizoctonia solani and
Macrophomina phaseolina on mung bean roots in green house experiment
Treatments Code Foxysporum Fsolani M phaseolina Rsolani
Infection
Control --------- 50 100 100 50
Carbendazim --------- 25 50 50 62
P decumbens EPAIR6 125 375 187 0
Pnigricans EPSLR4 62 50 125 0
Pregulosum EPAAR5 125 437 312 62
P citrinum EPSMR1 62 437 0 62
Plilacinum EPSMS2 0 50 312 187
Ppurpurogenum EPSML3 25 25 312 25
Pduclauxi EPASS9 0 437 25 62
Plividum EPMCL12 62 25 125 65
Ppurpurogenum EPEHS7 62 375 187 62
Prestrictum EPCTS8 125 437 0 62
Pthomii EPAER11 62 50 125 0
Ppurpurogenum EPAER14 62 375 187 62
Pjavanicum EPSLR13 62 50 125 0
Pasperum EPHAL10 437 25 25 62
LSD005 Treatment=7601 Pathogen=3802
82
Table19 Effect of endophytic Penicillium on the growth of mung bean in green house experiment
Treatments Code Shoot Lenght Shoot Weight Root Length Root weight
(cm) (g) (cm) (g)
Control ---------- 1475 0522 4972 0098
Carbendazim --------- 1635 0987 3737 009
P decumbens EPAIR6 1382 0799 4462 0154
Pnigricans EPSLR4 1088 0794 4467 0101
Pregulosum EPAAR5 1414 0737 391 0087
P citrinum EPSMR1 1344 0987 4617 0137
Plilacinum EPSMS2 1399 0823 4195 0128
Ppurpurogenum EPSML3 1344 0987 4617 0137
Pduclauxi EPASS9 1434 0696 4127 0096
Plividum EPMCL12 1639 0752 4147 0121
Ppurpurogenum EPEHS7 1471 0642 435 0085
Prestrictum EPCTS8 1468 0928 4153 0088
Pthomii EPAER11 1482 0711 3865 0072
Ppurpurogenum EPAER14 1471 0642 435 0085
Pjavanicum EPSLR13 1482 0711 3865 0072
Pasperum EPHAL10 1608 0787 3875 0066
LSD005 2891 0261 0741 0051
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
83
84
376 Effect of endophytic Penicillium in soil amended with neem cake in
inhibition the root diseases and tomato growth
In this experiment 25 ml of five-day-old cell suspension of fourteen isolates of
endophytic Penicillium viz P citrinum Plilacinum Ppurpurogenum (EPSML3)
Pnigricans Pregulosum P decumbens Ppurpurogenum (EPEHS7) P restrictum
Pduclauxi Pasperum Pthomii Plividum Pjavanicum and Ppurpurogenum
(EPAER14) were applied in each pots filled 1 Kg soil In same other set endophytic
Penicillium were applied in each pots alongwith 10g neem cake per pot Three-week-
old four equal sized tomato (Lycopersicon exculentum) seedlings grown in autoclaved
soil were shifted in pots Carbendazim (200 ppm) 25 ml pot considered as positive
control Treatments were replicated four times and data were noticed after 60 days
Application of endophytic P decumbens P citrinum and Pduclauxi and P
restrictum alone affected a complete suppression of Foxysporum infection Whereas
Pduclauxi was found no infection of Foxysporum when used with neem cake (Table
20) Endophytic Penicillium are found effective against Fsolani in both type of soil
When P decumbens and Pduclauxi were used alone Infection of M phaseolina was
significantly reduced In neem cake amended soil untreated control showed no infection
of M phaseolina Difference in R solani infection among plants received different
treatment was non significant in both type of soil natural and amended (Table 20)
Plants grown in natural soil received P decumbens Pnigricans Pduclauxi
Ppurpurogenum (EPAER14) and Pjavanicum fungal culture showed better growth
than untreated control Pasperum with neem cake showed highly significant plant
height of 24cm (Table 21 and Fig18-20)
85
Table20 Effect of endophytic Penicillium and neem cake on the infection of Fusarium solani Foxysporum Rhizoctonia solani and
Macrophomina phaseolina on tomato roots in green house experiment
Infection
Treatments Code Foxysporum
Fsolani
M phaseolina Rsolani
NS AS NS AS NS AS NS AS
Control hellip 437 312 625 625 312 0 312 0
Carbendazim hellip 562 187 312 437 875 187 375 0
P decumbens EPAIR6 0 437 62 562 187 125 75 0
Pnigricans EPSLR4 312 562 187 625 375 312 687 0
Pregulosum EPAAR5 25 562 437 562 312 0 437 62
P citrinum EPSMR1 0 50 62 625 625 62 75 0
Plilacinum EPSMS2 50 437 437 562 375 125 687 62
Ppurpurogenum EPSML3 50 62 437 312 437 125 437 0
Pduclauxi EPASS9 0 0 62 25 187 125 50 62
Plividum EPMCL12 50 437 437 562 375 0 687 62
Ppurpurogenum EPEHS7 62 187 312 25 375 25 375 125
Prestrictum EPCTS8 0 312 187 437 25 187 562 0
Pthomii EPAER11 187 562 312 562 50 312 562 0
Ppurpurogenum EPAER14 62 187 312 25 375 25 375 125
Pjavanicum EPSLR13 312 562 187 625 375 312 687 0
Pasperum EPHAL10 62 312 125 562 25 62 812 0
LSD005 Treatment=5921 Pathogen=2962 Soil Type=2093
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
3Mean values in the NS and AS column showing difference greater than LSD value are significantly different at plt005
NS= Natural Soil AS=Amended Soil
86
Table 21 Effect of endophytic Penicillium and neem cake on the growth of tomato in green house experiment
Treatments Code Shoot Length Shoot Weight Root Length Root weight
(cm) (g) (cm) (g)
NS AS NS AS NS AS NS AS
Control hellip 12 1544 18 407 126 333 155 063
Carbendazim hellip 1318 2362 177 802 943 637 134 156
P decumbens EPAIR6 1672 1131 243 153 1185 666 057 033
Pnigricans EPSLR4 1681 1357 247 201 1082 848 069 033
Pregulosum EPAAR5 1497 1841 211 295 1106 833 05 048
P citrinum EPSMR1 1732 1755 297 389 922 1149 064 056
Plilacinum EPSMS2 132 1303 193 254 1242 529 052 046
Ppurpurogenum EPSML3 128 1087 171 109 1078 612 054 025
Pduclauxi EPASS9 1672 2255 243 636 1185 597 057 11
Plividum EPMCL12 1307 1303 178 254 1242 529 052 046
Ppurpurogenum EPEHS7 1307 1581 178 382 1242 1025 054 094
Prestrictum EPCTS8 1513 1755 191 389 135 1149 046 056
Pthomii EPAER11 1328 1375 214 234 148 466 046 055
Ppurpurogenum EPAER14 1681 1581 178 382 1242 1025 048 094
Pjavanicum EPSLR13 1681 1357 247 201 1082 848 069 033
Pasperum EPHAL10 1328 2412 18 732 1225 775 06 126
LSD005 271 5171 0691 2091 3731 3031 1031 0631
1 Difference greater than LSD values among means in column are significant at plt005
NS= Natural Soil AS=Amended Soil
87
Fig18 Growth promotion by the endophytic Penicillium in tomato
EP
88
377 Effect of endophytic Penicillium in soil amended with cotton cake in
inhibition of root diseases and tomato growth
In this experiment 25 ml of five-day-old cell suspension of fourteen isolates of
endophytic Penicillium viz P citrinum Plilacinum Ppurpurogenum (EPSML3)
Pnigricans Pregulosum P decumbens Ppurpurogenum (EPEHS7) P restrictum
Pduclauxi Pasperum Pthomii Plividum Pjavanicum and Ppurpurogenum
(EPAER14) were applied in each pots filled 1 Kg soil In same other set endophytic
Penicillium were applied in each pots alongwith 10g neem cake per pot Three-week-old
four equal sized tomato (Solanum Lycopersicum) seedlings grown in autoclaved soil
were shifted in pots Carbendazim (200 ppm) 25 ml pot was considered as positive
control Treatments were replicated four times and data were recorded after 60 days
Application of endophytic P decumbens P citrinum Pduclauxi and P
restrictum alone affected a broad inhibition of Foxysporum infection Whereas
Pregulosum was found no infection of Foxysporum when used with cotton cake (Table
22) Endophytic Penicillium are found effective against Fsolani in natural soil In
cotton cake amended soil Pnigricans and Pduclauxi showed significant reduction in
Fsolani infection When P decumbens and Pduclauxi were used alone Infection of M
phaseolina was significantly reduced In cotton cake amended soil Pregulosum P
citrinum Plilacinum Ppurpurogenum (EPSML3) and Plividum showed no infection
of M phaseolina Difference in R solani infection among plants received different
treatment was non-significant in natural soil and in cotton cake amended soil no
infection of Rsolani was found (Table 22)
89
Table 22 Effect of endophytic Penicillium and cotton cake on the infection of Fusarium solani Foxysporum Rhizoctonia solani and
Macrophomina phaseolina on tomato roots in green house experiment
Infection
Treatments Code Foxysporum
Fsolani
M phaseolina Rsolani
NS AS NS AS NS AS NS AS
Control hellip 437 50 625 25 312 62 312 0
Carbendazim hellip 562 437 312 187 875 125 375 0
P decumbens EPAIR6 0 62 62 562 1875 187 75 0
Pnigricans EPSLR4 312 62 187 187 375 62 687 0
Pregulosum EPAAR5 25 0 437 437 312 0 437 0
P citrinum EPSMR1 0 62 62 562 625 0 75 0
Plilacinum EPSMS2 50 187 437 375 375 0 687 0
Ppurpurogenum EPSML3 50 187 437 62 437 0 437 0
Pduclauxi EPASS9 0 562 62 562 187 25 50 0
Plividum EPMCL12 50 187 437 375 375 0 687 0
Ppurpurogenum EPEHS7 62 125 312 437 375 125 375 0
Prestrictum EPCTS8 0 625 187 312 25 62 562 0
Pthomii EPAER11 187 312 312 25 50 125 562 0
Ppurpurogenum EPAER14 62 125 312 437 375 125 375 0
Pjavanicum EPSLR13 312 62 187 187 375 62 687 0
Pasperum EPHAL10 62 125 125 50 25 62 812 0
LSD005 Treatment=5691 Pathogen=2842 Soil Type=2013
1Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
3Mean values in the NS and AS column showing difference greater than LSD value are significantly different at plt005
NS= Natural Soil AS=Amended Soil
90
Plants grown in natural soil received P decumbens Pnigricans Pduclauxi
Ppurpurogenum (EPAER14) and Pjavanicum fungal culture showed better growth
than untreated control P restrictum with cotton cake showed highly significant plant
height Pnigricans and Pjavanicum showed greater fresh shoot weight in amended
soil Root length in both type of soil was non-significant Whereas fresh root weight
was non-significant in natural soil In cotton cake amended soil Pduclauxi showed
significant fresh root weight (Table 23 and Fig21)
378 Effect of endophytic Penicillium with neem cake in inhibition of root
diseases and chickpea growth
Fourteen isolates of endophytic Penicillium viz P citrinum Plilacinum
Ppurpurogenum (EPSML3) Pnigricans Pregulosum Pdecumbens Ppurpurogenum
(EPEHS7) P restrictum Pduclauxi Pasperum Pthomii Plividum Pjavanicum and
Ppurpurogenum (EPAER14) caused suppression of four root rotting fungi in vitro A
25ml cell suspension of five-day-old culture of fungal isolates were drench in each pots
filled with 1kg soil Carbendazim considered as positive control against root rotting
fungi Combine use of endophytic Penicillium and 1 Neem cake were drenched in
another same set Chickpea (Cicer arietinum) seeds were sown in pots (6 seeds per pot)
After one week four seedlings were kept in each pots and extra were detached
Treatments were replicated four times and watered daily Data were recorded after six
weeks
91
Table23 Effect of endophytic Penicillium and cotton cake on the growth of tomato in green house experiment
Treatments Code
Shoot
Length
Shoot
Length
Shoot
Weight
Shoot
Weight
Root
Length
Root
Length
Root
weight
Root
weight
(cm) (cm) (g) (g) (cm) (cm) (g) (g)
NS AS NS AS NS AS NS AS
Control hellip 12 1633 18 554 126 1757 155 105
Carbendazim hellip 1318 2232 177 666 943 2285 134 163
P decumbens EPAIR6 1672 205 243 539 1185 1225 057 125
Pnigricans EPSLR4 1681 225 247 83 1082 15 069 183
Pregulosum EPAAR5 1497 1978 211 548 1106 1046 05 153
P citrinum EPSMR1 1732 1912 297 512 922 9 064 155
Plilacinum EPSMS2 132 2347 193 741 1242 1298 052 156
Ppurpurogenum EPSML3 128 1725 171 465 1078 925 054 061
Pduclauxi EPASS9 1672 214 243 69 1185 153 057 237
Plividum EPMCL12 1307 2347 178 741 1242 1298 052 156
Ppurpurogenum EPEHS7 1307 2068 178 612 1242 1131 054 108
Prestrictum EPCTS8 1513 2467 191 828 135 1817 046 225
Pthomii EPAER11 1328 225 214 657 148 155 046 164
Ppurpurogenum EPAER14 1681 2068 178 612 1242 1131 048 108
Pjavanicum EPSLR13 1681 225 247 83 1082 15 069 183
Pasperum EPHAL10 1328 2101 18 525 1225 1095 06 135
LSD005 271 4291 0691 3281 3731 5851 1031 091
1 Difference greater than LSD values among means in column are significant at plt005
92
Fig 21 Growth promotion by the endophytic Penicillium in soil amended with cotton
cake in tomato
EP
93
Plants grown in pots received endophytic Penicillium isolates Ppurpurogenum
(EPSML3) and Pthomii in natural soil and in amended soil with neem cake P
decumbens Pnigricans Ppurpurogenum (EPSML3) Ppurpurogenum (EPEHS7)
Pjavanicum and Ppurpurogenum (EPAER14) showed no infection of F oxysporumIn
unamended soil Fsolani was found significantly reduced except isolate Pasperum
Whereas in amended soil infection of Fsolani was non significant In unamended soil
Mphaseolina was found significantly reduced Combine effect of isolates
Ppurpurogenum (EPSML3) Ppurpurogenum (EPEHS7) Ppurpurogenum (EPAER14)
and neem cake showed significant result on Mphaseolina infection Application of
Pregulosum P decumbens P restrictum Pduclauxi Pasperum and Pthomii showed
no infection of Rsolani in natural soil Amended soil with neem cake showed no
infection of Rsolani (Table 24)
Greater plant height was produced by P decumbens Pnigricans Pregulosum
and Pduclauxi when applied in natural soil Effect of P restrictum and P citrinum with
neem cake showed highest plant height Untreated control of amended soil showed
highest value of fresh shoot weight and fresh root weight related to other treatments
whereas fresh shoot weight in natural soil showed significant result in all treatments
except Pthomii P decumbens and Pduclauxi alone showed highest root length and
fresh root weight In amended soil Ppurpurogenum (EPAER14) showed significant
root length (Table 25 and Fig22-27)
94
Table24 Effect of endophytic Penicillium and neem cake on the infection of Fusarium solani Foxysporum Rhizoctonia solani and
Macrophomina phaseolina on chickpea roots in green house experiment
Infection
Treatments Code Foxysporum
Fsolani
M phaseolina Rsolani
NS AS NS AS NS AS NS AS
Control hellip 375 0 50 125 437 375 25 0
Carbendazim hellip 0 0 25 25 312 375 125 0
P decumbens EPAIR6 187 0 125 312 375 687 0 0
Pnigricans EPSLR4 125 0 312 437 375 562 375 0
Pregulosum EPAAR5 62 62 187 437 375 50 0 0
P citrinum EPSMR1 312 187 187 312 375 50 187 0
Plilacinum EPSMS2 62 62 437 125 62 625 25 0
Ppurpurogenum EPSML3 0 0 375 25 62 312 62 0
Pduclauxi EPASS9 187 375 125 25 375 50 0 0
Plividum EPMCL12 62 62 437 125 62 625 25 0
Ppurpurogenum EPEHS7 187 0 25 375 125 312 62 0
Prestrictum EPCTS8 375 375 25 25 125 50 0 0
Pthomii EPAER11 0 187 437 187 62 25 0 0
Ppurpurogenum EPAER14 187 0 25 375 125 312 62 0
Pjavanicum EPSLR13 312 0 187 43 312 562 375 0
Pasperum EPHAL10 125 62 50 125 125 812 0 0
LSD005 Treatment=4901 Pathogen=2452 Soil Type=1733
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
3Mean values in the NS and AS column showing difference greater than LSD value are significantly different at plt005
NS= Natural Soil AS=Amended Soil
95
Table25 Effect of endophytic Penicillium and neem cake on the growth of chickpea in green house experiment
Treatments Code Shoot Length Shoot Weight Root Length Root weight
(cm) (g) (cm) (g)
NS AS NS AS NS AS NS AS
Control hellip 2369 2225 274 837 274 975 211 303
Carbendazim hellip 239 2975 32 821 2187 1537 376 235
P decumbens EPAIR6 2925 2911 376 388 3037 1293 522 116
Pnigricans EPSLR4 293 3357 339 661 2331 1391 376 12
Pregulosum EPAAR5 2928 3315 332 633 2296 9 387 117
P citrinum EPSMR1 267 3384 313 668 2397 975 394 098
Plilacinum EPSMS2 2768 2801 31 698 2155 1132 35 109
Ppurpurogenum EPSML3 2587 3332 3075 738 267 137 432 141
Pduclauxi EPASS9 2925 2911 376 388 3037 1293 522 116
Plividum EPMCL12 2768 2801 31 698 2155 1132 35 109
Ppurpurogenum EPEHS7 2698 3077 326 506 2202 1565 413 139
Prestrictum EPCTS8 2667 3384 3205 668 2735 975 351 098
Pthomii EPAER11 239 30 296 799 2416 1062 427 125
Ppurpurogenum EPAER14 2698 3077 326 506 2202 1565 413 139
Pjavanicum EPSLR13 2618 3357 341 661 2587 1391 438 12
Pasperum EPHAL10 2856 2891 344 763 1921 1352 306 13
LSD005 471 4931 0941 3331 7321 5451 1611 11071
1 Difference greater than LSD values among means in column are significant at plt005
NS= Natural Soil AS=Amended Soil
96
Fig22 Growth promotion by the endophytic Penicillium in chickpea
Fig23 Growth promotion by the endophytic Penicillium in chickpea
EP
S
EP
97
Fig24 Growth promotion by the endophytic Penicillium in chickpea
EP
EP
98
Fig25 Growth promotion by the endophytic Penicillium in soil amended with neem cake
in chickpea
Fig 26 Growth promotion by the endophytic Penicillium in soil amended with neem cake
in chickpea
EP
EP
99
Fig27 Growth promotion by the endophytic Penicillium in soil amended with neem cake
in chickpea
379 Effect of endophytic Penicillium with mustard cake in suppressing the root
diseases and growth of chickpea
Fourteen isolates of endophytic Penicillium viz P citrinum Plilacinum
Ppurpurogenum (EPSML3) Pnigricans Pregulosum P decumbens Ppurpurogenum
(EPEHS7) P restrictum Pduclauxi Pasperum Pthomii Plividum Pjavanicum and
Ppurpurogenum (EPAER14) caused suppression of four root rotting fungi in vitro A
25ml cell suspension of five-day-old culture of fungal isolates were drench in each pots
filled with 1kg soil Carbendazim considered as positive control against root rotting
fungi Combine use of endophytic Penicillium and 1 mustared cake were drenched in
another same set Chickpea (Cicer arietinum) seeds were sown in pots (6 seeds per pot)
After one week four seedlings were kept in each pots and extra were detached
Treatments were replicated four times and watered daily Data were recorded after six
weeks
Root rot fungi infection was less in amended soil as compared to unamended
soil No infection of Foxysporum was found in Ppurpurogenum (EPSML3) and
Pthomii in unamended soil P citrinum Ppurpurogenum (EPSML3) Pnigricans
Pregulosum P decumbens Ppurpurogenum (EPEHS7) Pduclauxi Pjavanicum and
Ppurpurogenum (EPAER14) with mustard cake amendment showed complete
suppression of Foxysporum P decumbens and Ppurpurogenum (EPSML3) in
amended soil showed less infection of Fsolani while Plividum showed 100 infection
of Fsolani in amended soil Infection of M phaseolina in unamended soil was
significant whereas in amended soil untreated control showed no infection of M
phaseolina Treatment of Pthomii and Ppurpurogenum (EPAER14) in mustard cake
amended soil showed less infection of R solani while P citrinum Pnigricans
Pregulosum Pduclauxi Pjavanicum and Plividum showed non-significant result
(Table 26)
100
Natural soil showed greater plant height as compared to mustard cake amended
soil Pnigricans showed greater plant length as compared to other treatments In
amended soil plant height was non-significant statisticaly (Table 27)
101
Table 26 Effect of endophytic Penicillium and mustard cake on the infection of Fusarium solani Foxysporum Rhizoctonia solani and
Macrophomina phaseolina on chickpea roots in green house experiment
Infection
Treatments Code Foxysporum Fsolani M phaseolina Rsolani
NS AS NS AS NS AS NS AS
Control hellip 375 125 50 312 437 0 25 187
Carbendazim hellip 0 125 25 437 312 62 125 125
P decumbens EPAIR6 187 0 125 62 375 0 0 0
Pnigricans EPSLR4 125 0 312 437 375 187 375 437
Pregulosum EPAAR5 62 0 187 312 375 187 0 25
P citrinum EPSMR1 312 0 187 625 375 187 187 312
Plilacinum EPSMS2 62 62 437 50 62 25 25 125
Ppurpurogenum EPSML3 0 0 375 6 62 0 62 125
Pduclauxi EPASS9 187 0 125 625 375 62 0 312
Plividum EPMCL12 62 62 437 100 62 25 25 312
Ppurpurogenum EPEHS7 187 0 25 187 125 0 62 125
Prestrictum EPCTS8 375 62 25 125 125 125 0 62
Pthomii EPAER11 0 62 437 125 62 62 0 62
Ppurpurogenum EPAER14 187 0 25 187 125 125 62 125
Pjavanicum EPSLR13 312 0 187 312 31 187 375 437
Pasperum EPHAL10 125 0 50 187 125 0 0 0
LSD005 Treatment=4461 Pathogen=2232 Soil Type=1583
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
3Mean values in the NS and AS column showing difference greater than LSD value are significantly different at plt005
NS= Natural Soil AS=Amended Soil
102
Table 27 Effect of endophytic Penicillium and mustard cake on the growth of chickpea in green house experiment
Treatments Code Shoot Length Shoot Weight Root Length Root weight
(cm) (g) (cm) (g)
NS AS NS AS NS AS NS AS
Control hellip 2369 2188 274 406 274 692 211 58
Carbendazim hellip 239 2134 32 42 2187 937 376 499
P decumbens EPAIR6 2925 1525 376 288 3037 75 522 53
Pnigricans EPSLR4 293 1955 339 476 2331 758 376 137
Pregulosum EPAAR5 2928 1907 332 633 2296 875 387 1238
P citrinum EPSMR1 267 1916 313 556 2397 756 394 1172
Plilacinum EPSMS2 2768 1929 31 417 2155 946 35 383
Ppurpurogenum EPSML3 2587 12 3075 241 267 65 432 532
Pduclauxi EPASS9 2925 192 376 561 3037 1115 522 819
Plividum EPMCL12 2768 1929 31 417 2155 946 35 383
Ppurpurogenum EPEHS7 2698 1787 326 55 2202 925 413 734
Prestrictum EPCTS8 2667 185 3205 315 2735 45 351 099
Pthomii EPAER11 239 2305 296 626 2416 9 427 931
Ppurpurogenum EPAER14 2698 1787 326 55 2202 925 413 739
Pjavanicum EPSLR13 2618 2305 341 626 2587 9 438 931
Pasperum EPHAL10 2856 1662 344 582 1921 925 306 834
LSD005 471 6131 0941 3011 7321 2921 1611 6151
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
NS=NaturalSoilAS=AmendedSoil
103
3710 Effect of endophytic Penicillium and fungicides in inhibition of root infection
and sunflower growth
Four isolates of endophytic Penicillium viz P citrinum (EPSMR1) Pnigricans
(EPSLR4) P decumbens (EPAIR6) and Pasperum (EPHAL10) caused suppression of
four root rotting fungi in vitro and revealed significant growth in in vivo were selected to
evaluate the combine effect with three different fungicides (Feast-M Carbendazim and
Topsin-M) A 25ml five-day-old cell suspension of fungal isolates were applied in pots
filled with 1kg soil In same other set pots were also applied combine application of
endophytic Penicillium and fungicides Each fungicide were also drench 25ml of 200ppm
in each pot Sunflower (Helianthus annuus) seeds were sown in pot (6 seeds per pot)
After one week four seedlings were kept in pots and extra were detached Treatments were
replicated four times and watered according to requirement Data were recorded after six
weeks
All three fungicides alone showed no infection of F oxysporum Plants grown in pots
received endophytic Penicillium isolate P decumbens and Pasperum with Feast-M showed
no infection of infection of F oxysporum Plants grown in pots received endophytic
Penicillium isolate Pnigricans with carbendazim and Pnigricans and P citrinum with
Topsin-M showed complete suppression of infection of F oxysporum All treatments
showed less infection of Fsolani as compared to control All treatments showed less
infection of Mphaseolina as compared to untreated control except P citrinum Pnigricans
alone and P decumbens Pasperum combine with Topsin-M showed 100 Mphaseolina
infection on sunflower roots Combine effect of Pasperum with Topsin-M and P citrinum
alone showed no infection of Rsolani Feast-M+ Pasperum and carbendazim showed no
difference from untreated control (Table 28)
Greater plant height was produced by carbendazim+ Pnigricans However greater
fresh shoot weight was produced by Feast-M alone (Table 29)
104
Table 28 Effect of endophytic Penicillium and fungicides on the infection of Fusarium solani Foxysporum Rhizoctonia solani and
Macrophomina phaseolina on sunflower roots in green house experiment
Infection
Treatments Foxysporum Fsolani M phaseolina Rsolani
Control 75 100 100 75
Feast-M 0 37 687 625
Feast-M+ P citrinum 62 75 625 687
Feast-M+ Pnigricans 187 812 687 687
Feast-M+ P decumbens 0 312 50 625
Feast-M+ Pasperum 0 50 81 75
Carbendazim 0 812 75 75
Carbendazim+P citrinum 62 562 87 687
Carbendazim+ Pnigricans 0 75 625 187
Carbendazim+P decumbens 62 812 812 687
Carbendazim+ Pasperum 187 562 75 312
Topsin-M 0 437 812 62
Topsin-M+ P citrinum 0 812 437 125
Topsin-M+ Pnigricans 0 75 312 437
Topsin-M+P decumbens 687 687 100 25
Topsin-M+ Pasperum 875 25 100 0
P citrinum 437 687 100 0
Pnigricans 125 812 100 62
P decumbens 187 50 437 187
Pasperum 125 50 562 125
LSD005 Treatment=11271 Pathogen=5042
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
105
Table 29 Effect of endophytic Penicillium and fungicides on the growth of sunflower in green house experiment
Treatments ShootLength ShootWeight Root Length Root weight
Control 3197 339 288 288
Feast-M 4269 451 526 526
Feast-M+ P citrinum 4024 367 434 434
Feast-M+ Pnigricans 4008 347 381 381
Feast-M+ P decumbens 4137 348 513 513
Feast-M+ Pasperum 3685 341 492 492
Carbendazim 3675 319 398 398
Carbendazim+ P citrinum 3933 326 464 464
Carbendazim+ Pnigricans 394 323 466 466
Carbendazim+ P decumbens 3807 315 527 527
Carbendazim+ Pasperum 3729 259 47 47
Topsin-M 3935 314 383 383
Topsin-M+ P citrinum 3353 264 388 388
Topsin-M+ Pnigricans 3386 299 427 427
Topsin-M+ P decumbens 337 229 409 409
Topsin-M+ Pasperum 3249 264 433 433
P citrinum 3268 249 432 432
Pnigricans 2788 201 401 401
P decumbens 3421 3007 446 446
Pasperum 3262 229 363 363
LSD005 5751 0811 1041 1041
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
106
3711 Effect of endophytic Penicillium on okra growth
In this experiment six seeds of okra (Abelmoschus esculentus) were sown in
earthen pots filled with 5 kg garden soil and watered watered daily to gained the 50
WHC (Keen and Raczkowiski 1921) P nigricans (EPSLR4) P rugulosum (EPAAR5)
and P decumbens (EPAIR6) (8x107 cfumL) used as soil drench in each pot and four
seedlings were kept after germination Treatments were replicated four times in screen
house Carbendazim was considered as a positive control and data were recorded after 90
days of germination
Treatments showed significant (Plt005) reduction of F solani and R solani
related to control (Table 30)
Application of P rugulosum resulted maximum plant height highest shoot weight
and root length while maximum root weight produced due to the treatment of carbendazim
and P decumbens Maximum number of fruits produced by Pnigricans and P decumbens
resulted highest fresh fruit weight(Table 31)
Highest polyphenol content resulted by Pnigricans and highest antioxidant activity
determined due to the drenching of Pnigricans after 1 minute and after 30 minute
Application of P rugulosum resulted maximum production of salicylic acid (Table 31)
Application of antagonist showed significant outcome on okra fruits Highest pH
showed by Pnigricans Application of P decumbens resulted highest tritable acidity value
then in Pnigricans and P rugulosum (Table 33) Application of carbendazim resulted
highest moisture content then in P rugulosum in fruits Maximum protein resulted by P
rugulosum then in P decumbens while highest carbohydrate caused by P decumbens
then in Pnigricans All the treatments showed significant (Plt005) Increased polyphenol
content showed by all treatments as compared to control (Table 34) P decumbens
resulted highest polyphenol followed by P rugulosum as compared to untreated plants P
rugulosum resulted significant improve in antioxidant potentail(Fig28)
107
Table30 Effect of endophytic Penicillium as soil drench on the infection of Macrophomina phaseolina Rhizoctonia solani Fusarium
solani and F oxysporum in garden soil
Infection
Treatments Foxysporum Fsolani M phaseolina Rsolani
Control 0 50 625 50
Carbendazim 0 125 100 312
P decumbens 0 0 625 312
Pnigricans 0 62 50 125
P rugulosum 0 187 562 25
LSD005 Treatment=14321 Pathogen=12802
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
108
Table31 Effect of endophytic Penicillium as soil drench on growth of okra plants in garden soil
Treatments Shoot Length Shoot Weight Root Length Root Weight Number of
Fruits Fruit weight
(cm) (g) (cm) (g)
Control 3831 1058 1596 305 023c 708c
Carbendazim 3421 832 1659 546 045b 683c
P decumbens 4523 1167 1756 438 052a 1106a
Pnigricans 4265 1172 1794 188 054a 894b
P rugulosum 4592 1295 1967 2405 025c 533d
LSD005 511 4281 3431 581 00261 04841
1 Difference greater than LSD values among means in column are significant at plt005
109
Table32 Effect of endophytic Penicillium as soil drench on polyphenol salicylic acid and antioxidant activity of okra plants in garden
soil
Treatments Polyphenol Antioxidant () Salicylic Acid
microgml After 1 minute After 30 minutes microgml
Control 137e 2711e 2878e 0053d
Carbendazim 172d 4608d 4908d 0048e
P decumbens 308c 4974c 5256c 0093c
Pnigricans 424a 5744a 6229a 0116b
P rugulosum 364b 5393b 5859b 0161a
LSD005 00311 01361 04211 00041
1 Difference greater than LSD values among means in column are significant at plt005
110
Table33 Effect of endophytic Penicillium as soil drench on biochemical parameters of ok ra fruits
Treatments pH Tritable acidity Moisture content Total solids Total Soluble Solid
Sucrose
Control 587c 0087c 8668d 1353b 245d
Carbendazim 585c 013b 9175a 803e 257c
P decumbens 59c 0194a 8434e 1559a 31a
Pnigricans 629a 0128b 8715c 1287c 28b
P rugulosum 605b 0128b 8808b 1185d 317a
LSD005 0121 000571 0211 01031 0121
1 Difference greater than LSD values among means in column are significant at plt005
111
Table 34 Effect of endophytic Penicillium as soil drench on polyphenol antioxidant activity protein and carbohydrates of okra fruits
in garden soil
Treatments Antioxidant Polyphenol Protein Carbohydrates
microgml microgml microgml
Control 2647e 665e 13e 69d
Carbendazim 3575d 734d 27d 86c
P decumbens 4906c 1613a 5263b 1033a
Pnigricans 5115b 96c 39c 99b
P rugulosum 5631a 122b 5566a 9833b
LSD005 10591 01441 21941 3711
1 Difference greater than LSD values among means in column are significant at plt005
112
3712 Effect of endophytic Penicillium on the growth root rotting fungi and
induction of systemic resistance in tomato
Filled earthen pots with 5 kg of soil and watered according to requirement to
maintain 50 WHC (Keen and Raczkowiski 1921) P nigricans (EPSLR4) P
rugulosum (EPAAR5) and P decumbens (EPAIR6) (8x107 cfumL) used as soil drench
Four equal sized seedlings of tomato were transfered in pots Treatments were four time
replicated Carbendazim was considered as a positive control and data were recorded
after 90 days
Most of the treatment showed significant (Plt005) results of R solani F solani
and M phaseolina as relation to control plants (Table 35)
Application of Pnigricans showed highest plant height shoot weight by P
decumbens Maximum number of fruits produced by Pnigricans and P decumbens
resulted highest fresh fruit weight(Table 36)
P rugulosum showed improved polyphenol as compare to control plants
Highest antioxidant activity resulted by P decumbens and carbendazim after 1 minute
and after 30 minute P rugulosum showed highest antioxidant activity Application of
Pnigricans and P decumbens resulted maximum production of salicylic acid (Table
37)
Application of endophytic Penicillium showed significant effect on tomato
fruits Highest pH noticed when soil treated with Pnigricans and P decumbens
Maximun tritable acidity produced by P decumbens (Table 38) Highest protein
produced by P rugulosum then in P decumbens while carbohydrate resulted by
Pnigricans followed by P decumbens All the treatments showed increase polyphenol
content as compare to control (Table 39) Pnigricans showed significant enhancment in
antioxidant activity related to control
113
Table35 Effect of endophytic Penicillium as soil drench on the infection of Macrophomina phaseolina Rhizoctonia solani Fusarium
solani and F oxysporum in garden soil
Infection
Treatments Foxysporum Fsolani M phaseolina Rsolani
Control 312 100 937 562
Carbendazim 187 125 625 0
P decumbens 437 62 312 0
Pnigricans 312 0 187 25
P rugulosum 187 0 187 312
LSD005 Treatment1=1455 Pathogen2=1302
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
114
Table36 Effect of endophytic Penicillium as soil drench on growth of tomato plants in garden soil
Treatments Shoot Length Shoot Weight Root Length Root Weight Number of Fruits Fruit weight
(cm) (g) (cm) (g)
Control 52 1974 1816 35 30a 5801b
Carbendazim 4646 1322 1629 237 20c 4083a
P decumbens 443 2161 1283 418 2133c 995a
Pnigricans 55 1892 1561 315 32a 4286d
P rugulosum 5197 1695 1205 334 256b 4779c
LSD005 1481 18611 5391 4011 3781 0131
1 Difference greater than LSD values among means in column are significant at plt005
115
Table 37 Effect of endophytic Penicillium as soil drench on polyphenol salicylic acid and antioxidant activity of tomato plants in
garden soil
Treatments Polyphenol Antioxidant () Salicylic Acid
microgml After 1 minute After 30 minutes microgml
Control 090a 40a 139a 014a
Carbendazim 019a 49a 127a 018a
P decumbens 0076a 44a 131a 019a
Pnigricans 0076a 33a 103a 019a
P rugulosum 0108a 33a 292a 017a
LSD005 01081 01671 0301 00791
1 Difference greater than LSD values among means in column are significant at plt005
116
Table 38 Effect of endophytic Penicillium as soil drench on biochemical parameters of tomato fruits
Treatments pH Tritable acidity Firmness Total Soluble Solid
N Sucrose
Control 411c 023c 34a 323c
Carbendazim 418b 027bc 143b 806a
P decumbens 43a 034a 076b 676ab
Pnigricans 43a 030ab 126bc 613b
P rugulosum 418b 030ab 086bc 686ab
LSD005 00621 00541 0211 1311
1 Difference greater than LSD values among means in column are significant at plt005
117
Table 39 Effect of endophytic Penicillium as soil drench on polyphenol antioxidant activity protein and carbohydrates of tomato
fruits in garden soil
Treatments Antioxidant Polyphenol Protein Carbohydrates
microgml microgml microgml
Control 1966c 573e 16d 63a
Carbendazim 333b 756d 28c 78a
P decumbens 503a 1853a 51a 104a
Pnigricans 52a 1026c 41b 97a
P rugulosum 496a 125b 52a 96a
LSD005 5591 0471 5771 2391
1 Difference greater than LSD values among means in column are significant at plt005
118
38 FIELD EXPERIMENTS
381 Effect of Pseudomonas monteilii and endophytic Penicillium on okra growth in
field condition
The experiment carried out in 2 times 2 meter field and replicated four times Cell
suspension of endophytic Penicillium (8x107 cfumL) were drench at 200-ml per meter row
alone and in combination with Pseudomonas monteilii 20 seeds of okra were seeded in
rows Topsin-M at 200 ppm were also used alone as a positive control On the basis upon
the requirement plants were watered with difference of 2-3 days The field had infestation
of 2080 cfug of soil of a diverse population of F solani and F oxysporum 10-22
sclerotia of M phaseolina g of soil and 8-17 colonization of R solani on sorghum
seeds used as baits naturally To evaluate the potential of Pseudomonas monteilii and
endophytic Penicillium plants were harvested (form each row 4 plants took) after 45 and
90 days of germination Incidence of root rotting fungi plant physical parameters and
resistance biomarkers were recorded
Significant (Plt005) inhibition of F oxysporum showed by most of treatments as
compere to control except P rugulosum P decumbens + Pseudomonas monteilii and
Topsin-M after 45 days (Table 40) Maximum reduction of Fsolani were observed in
plants treated with Pseudomonas monteilii and Pnigricans + Pseudomonas monteilii after
45 days While maximum reduction of M phaseolina observed in application of P
rugulosum+ Pseudomonas monteilii after 45 days Application of P rugulosum+
Pseudomonas monteilii and Pnigricans showed maximum reduction of Rsolani after 45
days
Highest length of shoot and weight of shoot were observed in plants Maximum
plant hieght were observed after 45 and 90 days intervals with mixed application of
Pnigricans with Pseudomonas monteilii Highest weight of shoot were also observed in
combine application of Pnigricans with Pseudomonas monteilii after 45 and 90 days
while application of Pseudomonas monteilii resulted maximum length of root after 45
days Significant increase in root length produced after 90 days from combine application
of Pnigricans with Pseudomonas monteilii Highest root weight resulted from combine
119
application of Pnigricans with Pseudomonas monteilii after 45 and 90 days Combine
application of P decumbens with Pseudomonas monteilii resulted highest number and
weight of fruits produced after 90 days (Table 41)
After 45 days most of the treatments shown significantly high phenols except
Topsin-M Most of the treatments shown maximum antioxidant activity significantly
except P rugulosum after 1 minute whereas maximum antioxidant activity showed by
Pseudomonas monteilii after 30 minutes P decumbens showed maximum production of
salicylic acid after 45 days (Table 42)
All the treatment showed significant effect on phenolic content except Topsin-M
and P decumbens whereas all the treatment showed significant effect on antioxidant
activity except Topsin-M and P decumbens with Pseudomonas monteilii after 1 and 30
minutes after 90 days Maximum production of salicylic acid showed in combine treatment
of Pnigricans with Pseudomonas monteilii after 90 days (Table 43)
In this experiment combine application of Pseudomonas monteilii and endophytic
Penicillium showed significant increase in physiobiochemical of okra fruits Combine
activity of Pnigricans + Pseudomonas monteilii resulted highest antioxidant activity in
fruits followed by Pseudomonas monteilii alone Highest polyphenol content resulted due
to the application of Pseudomonas monteilii followed by combine application of P
rugulosum with Pseudomonas monteilii Protein were showed maximum in combine
application of P decumbens with Pseudomonas monteilii and Pseudomonas monteilii
alone (Table 44) On the other side carbohydrate content observed highest in combine
application of P rugulosum with Pseudomonas monteilii Application of Pseudomonas
monteilii resulted maximum of total solids whereas combination of P rugulosum with
Pseudomonas monteilii produced highest of moisture Significant increase in pH showed
by Topsin-M followed by combination of Pnigricans with Pseudomonas monteilii and
maximum tritable acidity was showed by P decumbens (Table 45)
120
Table 40 Effect of Pseudomonas monteilii and endophytic Penicillium as soil drench on the infection of M phaseolina Rsolani F
solani and F oxysporum in soil under field condition
Infection
Treatments Foxysporum Fsolani M phaseolina Rsolani
45 90 45 90 45 90 45 90
Control 375 0 562 312 937 100 562 0
Topsin-M 375 0 625 25 937 100 687 0
Pseudomonas monteilii 25 62 25 312 875 100 625 0
P decumbens 62 0 50 375 68 100 375 0
Pnigricans 125 187 562 687 875 100 312 0
P rugulosum 312 62 562 375 812 100 437 0
P rugulosum + Pseudomonas monteilii 187 12 312 50 625 937 312 0
P decumbens + Pseudomonas monteilii 312 62 437 25 812 687 562 0
Pnigricans + Pseudomonas monteilii 62 125 25 375 687 625 75 0
LSD005 Treatments1= 8931 Pathogens2=5952 Treatments1=13341 Pathogens2=8 892
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
121
Table 41 Effect of Pseudomonas monteilii and endophytic Penicillium as soil drench on growth of okra plants under the field
condition
Treatments Shoot Length
(cm)
Shoot Weight
(g)
Root Length
(cm)
Root Weight
(g)
Number
of Fruits
Fruit
weight
Control 45 90 45 90 45 90 45 90 90 90
Topsin-M 4178 6192 2228 4325 1368 2426 204 823 086g 246i
Pmontelii 422 6375 1765 4731 1267 2377 133 98 12f 31h
Penicillium decumbens 477 6861 2271 507 1839 2684 255 1056 246b 456d
P nigricans 4233 6617 1971 4887 1486 2578 167 1003 143e 1146a
Prugulosum 4866 7083 1635 5095 1378 2311 172 967 176d 331g
P rugulosum 4373 7026 2063 2051 1371 2464 169 709 123f 35f
P rugulosum + P monteilii 5768 8658 3164 5518 1167 3008 207 1208 143e 42e
P decumbens + P monteilii 5553 9499 1867 5897 1409 2938 187 1217 277a 661b
Pnigricans + P monteilii 5907 9867 4043 6095 14 3188 296 1923 22c 623c
LSD005 961 1321 131 1181 3551 1371 0831 2961 0111 0111
1 Difference greater than LSD values among means in column are significant at plt005
122
Table 42 Effect of Pseudomonas monteilii and endophytic Penicillium as soil drench on polyphenol salicylic acid and antioxidant
activity of okra plants in soil under field condition after 45 days
Treatments
Polyphenol
microgml
Antioxidant () Salicylic Acid
microgml After 1 minute After 30 minutes
Control 183h 7314e 7721e 007f
Topsin-M 146i 9119a 9886a 0113d
Pseudomonas monteilii 321f 784d 8466d 0144c
P decumbens 245g 6639g 6858g 0168a
Pnigricans 573c 8044c 8852c 0084e
P rugulosum 474d 7074f 7643f 0154bc
P rugulosum + P monteilii 336e 5045i 6038h 0105d
P decumbens + P monteilii 713b 5186h 5779i 0086e
Pnigricans + P monteilii 773a 8356b 8992b 0165ab
LSD005 00721 10191 06531 00121
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
123
Table 43 Effect of Pseudomonas monteilii and endophytic Penicillium as soil drench on polyphenol salicylic acid and antioxidant
activity of okra plants in soil under the field condition after 90 days
Treatments Polyphenol
microgml
Antioxidant () Salicylic Acid
microgml After 1 minute After 30 minutes
Control 25def 6656e 7135f 0038g
Topsin-M 183f 4922f 5575g 0074bc
Pseudomonas monteilii 326cde 8345a 8885a 0052e
P decumbens 226ef 7804b 8539b 0072c
Pnigricans 52b 7726c 8233c 0066d
P rugulosum 41c 7165d 7851d 0042f
P rugulosum + P monteilii 343cd 7744c 8241c 0066d
P decumbens + P monteilii 683a 3254g 4917h 0077b
Pnigricans + P monteilii 74a 6852e 7604e 0105a
LSD005 10061 05191 04731 0003081
1 Difference greater than LSD values among means in column are significant at plt005
124
Table44 Effect of Pseudomonas monteilii and endophytic Penicillium as soil drench on polyphenol antioxidant activity protein and
carbohydrates of okra fruits in soil under field condition
Treatments Antioxidant Polyphenol Protein Carbohydrate
microgml microgml microgml
Control 5102g 646g 1466g 5966f
Topsin-M 5514f 716f 2566f 67e
Pseudomonas monteilii 6662b 136a 6766a 126a
P decumbens 5933d 976d 56d 101b
Pnigricans 5838d 816e 43e 92d
P rugulosum 6521c 114c 59c 96c
P rugulosum + P monteilii 5659e 124b 66b 102b
P decumbens + P monteilii 6616bc 11c 6766a 100b
Pnigricans + P monteilii 6909a 86e 56d 97c
LSD005 10451 06241 14081 2471
1 Difference greater than LSD values among means in column are significant at plt005
125
Table 45 Effect of Pseudomonas monteilii and endophytic Penicillium as soil drench on
biochemical parameters of okra fruits under field condition
Treatments pH
Tritable
acidity
Moisture
content
Total
solids
Total Soluble
Solid
Sucrose
Control 624a 0102c 8774b 1222f 1425e
Topsin-M 619ab 0126b 8653e 1339b 1475e
Pseudomonas monteilii 615b 0124b 8458f 1522a 2975d
P decumbens 606d 0185a 8632e 1355b 3125cd
Pnigricans 613bc 0127b 8752bcd 1249de 33bc
P rugulosum 607cd 0124b 8735cd 1256d 302d
P rugulosum + P monteilii 606d 0123b 8842a 117g 375a
P decumbens + Pmonteilii 603d 0122b 876bc 1233ef 342b
Pnigricans + P monteilii 616b 0125b 8723d 128c 305d
LSD005 00641 00041 03021 0171 02221
1 Difference greater than LSD values among means in column are significant at plt005
126
127
128
4 DISCUSSION
Microbes and Higher plants are the rich source of novel drugs In last 50 years
numerous effective drugs primarily extracted from fungi have been discoverd
(Smedsgaard and Nielsen 2005) Among them many bioactive compounds have been
produced from endophytes also known as an exceptional source as its capability to
inhabitate the plants in every environmental condition (Strobel and Daisy 2003) In
current study 14 endophytic Penicillium isolates were isolated (root stem and leaves)
from wild plants (Achyranthus aspera Atriplex stocksii Euphorbia hirta Chorchorus
tridens) and cultivated plant (Solanum melongena Lycopersicon esculentum
Helianthus annuus Azadirachta indica Abelmoschus esculentus Momordica
charantia) collected from different parts of Sindh province These findings is an
agreement to the earlier reports about the existence of Penicillium as endophyte
(Korejo et al 2014) Similar as (Ravindran et al 2012) A flavus from
mangrovesreported as an endophytes also
The microbes exist inter andor intra celluler of plant called ldquoendophytesrdquo
Endophytes gives variety of advantages to the host with vast applications in agriculture
and medicine (Clay and Rudgers 2005 Alvarez-Loayza 2011) Endophytes reside
inside the plant effects on plant health and survival They give strenght against abiotic
and biotic stresses and take nourishment from the plant Almost all vascular plants
studied till date have endophytic fungi in parts of their life cycle Plant pathogens and
pests are comparatively less attacked medicinal plants therefore endophytic micro-biota
can be of boundless significance in protecting plants from pests (Kaushik 2012)
Several studies on synthesis of secondry metabolites isolated from endophytic
fungi have found Among them some compounds used to discover new therapeutic
drugs (Strobel et al 2004) About 300000 plant species presented on land having
atleast one or more of fungi From many different plants including trees like yew and
pine and fodders like sorghum clover alfalfa and vegetables like tomatoes carrot
radish sweet potatoes lettuce and soybean fruits like citrus pineapple banana
pineapple and cereal grains like wheatrice and maizeand other crops like sugarcane
129
coffee and marigold have been examined for endophytes (Rosenblueth and Romero
2006) Several plants of medicinal importance such as Actinidia macrosperma (wild
kiwifruit) Ricinus communisTectona grandis Samanea saman Garcinia Picrorhiza
kurroa Cannabis sativa Withania somnifera Rauwolfia serpentine Cedrus deodara
Abies pindrow Pinus roxburgii Nothapodytes nimmoniana Platanus orientalis
Artemisia annua Brucea javanica M sieboldii and Calotropis procera have been
studied for endophytes Species of Alternaria Colletotrichum Aspergillus Fusarium
Gliocladium Cunninghamella Phomopsis Alternaria Fusarium Chaetomium
Nigrospora Cladosporium Alternaria Fusarium Aspergillus Curvularia
Cladosporium sp Aspergillus sp Nigrospora sp Fusarium sp Trichoderma sp
Chaetomium sp Alternaria sp Paecilomyces sp and Phyllostica are frequently
isolated from many agricultural and native plant species as endophytic fungi (Rubini et
al 2005 Guo et al 2008 Veja et al 2008 Gazis and Chaverri 2010 Kurose et al
2012 Parsa et al 2016) and Penicillium (H Kim 2014 Hassan 2017 Gautam 2013
Meng 2011 Peterson 2005 Qader 2015 Devi 2014 Shoeb 2014 Yin Lu et al 2011
Sandhu et al 2014 Phongpaichit et al 2006ukanyanee et al 2006 Qadri et al
2013 Liang 2014Cai and Wang 2012 Sandhu et al 2014b Cai 2012 Qadri 2013
In current study most of the endophytic Penicillium isolated Endophytic fungi
identified according to Domsch et al (1980) Dugan (2006) Raper and Thom (1949)
Barnett and Hunter (1998) and Visagie et al (2014) Identification of the promising
isolates was done through PCR amplification
Endophytic Penicillium isolated and tested for vitro and vivo activity in current
report most of the isolates showed inhibitory potential for fungi (root rotting) Fungal
endophytes that have useful impact on plant growth as biocontrol agents because their
effect against disease by inhabiting internal tissues of plants (Yuan et al 2017
Amatuzzi 2017) Similar biological position as pathogenic microorganism Berg et al
(2005) But in difference to plant pathogens they do not cause injury to host plant and
go inside plants for taking nourishment (Kobayashi and Palumbo 2000) Various
research are existing regarding the valuable function of fungal endophytes like act as
antagonist to phytopathogens and enhance growth of several crops (Waqas et al 2015
130
Veja et al 2008 Bahar et al 2011 Mendoza and Sikora 2009) Moreover
commercial application of Aspergillus spp Penicillium spp and Chaetomium spp for
the making of bioactive compounds that reveal antimicrobial and fungicidal activities (
Wang et al 2012 Jouda et al 2014)
In crop plants fungal endophytes are slightly recognized to play a role in the
production of gibberellins and resistance to stress abiotically Abiotic stressors like
drought heat and salinity symbiotic fungi can help plants to minimize the effect of
these stresses (Rodriguez et al 2008) In coastal plants fungal strains of P
funiculosum and P janthinellum are produced resistance against salt stress (Khan et al
2011 2013) Endophytic P citrinum produced gibberellins for their plant host (Khan et
al 2008) For plant growing stages with leaf enlargement pollen growth seed
sprouting stem elongation gibberellins are essential (Achard et al 2009) and influence
the growth of plant and adjustment throughout the early stages Thus endophytic fungi
possibly support their host plant to take nutrients and also stimulate hosts
growth The Trichoderma spp as considered to a giver of resistance facilitating plant
protection (Rubini et al 2005 Verma et al 2007 Bailey et al 2009 Kurose et al
2012) In this report cell free filtrates of culture and their fractions of endophytic
Penicillium exposed significant Escherichia coli Staphylococcus aureus Salmonella
typhimurium antibacterial activity against Bacillus subtilis Staphylococcus aureus and
Pseudomonas aeruginosa by forming inhibition zone in disc diffusion method
Endophytic Penicillium are also effective against bacterial pathogens with root rotting
fungi (Manmeet and Thind 2002) assessed antagonistic activity of Bacillus subtilis
Pseudomonas aeruginosa Trichoderma harzianum and Penicillium notatum against
causative agent of the bacterial blight of rice caused by Xanthomonas oryzae pv
oryzae in vitro and results showed that B subtilis P fluorescens and T harzianum
stop the growth of pathogen Our findings are an agreement to (Korejo et al 2014)
They reported that cell free filtrates of culture of endophytic Penicillium spp revealed
antifungal and antibacterial potentail Against a humen pathogen Vibriocholerae
(MCM B-322) produced desease cholera the cell free culture of P
chrysogenum revealed significant potential (Devi et al 2012) Many fungal endophytes
are the main source to secrete bioactive compounds (Stinson et al 2003 Corrado and
131
Rodrigues 2004 Ezra et al 2004 Kim et al 2004 Liu et al 2004 Wiyakrutta et al
2004 Atmosukarto et al 2005 Chomchoen et al 2005 Li et al 2005) Among them
seven isolates such as Hypocreales sp PSU-ES26 isolated
by C serrulata Trichoderma spp PSU-ES8 and PSU-ES38 isolated by H ovalis
and Penicillium sp PSU-ES43 Fusarium sp PSU-ES73 Stephanonectriasp PSU-
ES172 and an unidentified endophyte PSU-ES190 isolated by T hemprichii revealed
strong antimicrobial potential against human pathogens (Supaphon et al 2013) There
is eager requirement to discover novel drugs because of infectious diseases and drug
resistance microbes developing day by day Endophytic Penicillium could be a new
origin of treatments for the diseases caused by pathogens
In infectious plants fungal endophytes released the biotic stress with time
duration of 3 6 and 12 day after treatment by lowering the concentration of jasmonic
acid and salicylic acid as compare to control diseased plants Moreover these findings
reported the Penicillium citrinum (LWL4) relationship had a improved helpful impact
on plants of sunflower than Aspergillus terreus LWL5(Waqas 2015) Endophyte
naturally occurring in plants provide defense to plants by different way of mechanisms
such as the secretion of toxicant for pathogens and occasionally to disrupt the cell
membrane causing cell death of the pathogen (Ganley et al 2008 Shittu et al 2009)
Researche reported the justification of the pathogenic infections through the application
of fungal endophytes in plants like F verticillioides (Lee et al 2009) non-pathogenic
mutants of Colletotrichum magna (Redman et al 1999) Xylaria sp (Arnold et al
2003) Colletotrichum specie Fusarium nectria specie and Colletotrichum
gloeosporioides Clonostachys rosea and Acremonium zeae (Poling et al 2008)
Botryosphaeria ribis and (Mejıacutea et al 2008) In current research we assumed that the
application of endophytic Penicillium in plants might protect plants from adverse
effects of the soil born root-rotting fungi The inoculation of endophytic fungi may
inhibit the development of initial infection and prevent disease in this way not only
disease severity decreased but enhanced growth of the plant and yield (Mei and Flinn
2010) Our reseach shows that during pathogenic infection and mutual associations of
the endophytes lower the incidence of disease and improved the yield and biomass of
the plants Promotion of the host plant growth and inhibition of plant pathogen
132
infection may be increase the absorbance of nutrient which causes improved biomass of
plant and growth (Muthukumarasamy et al 2002) In the current study endophytic
Penicillium limited root-rot disease and also promote the health of the plants as
compare to control plants These are the comparision of the results as described by
Serfling et al (2007) The results similar to earlier findings on the plant growth
enhancement by endophytic fungi (Hamayun et al 2010 Khan et al 2011 2012
2013)
Endophytic P cyclopium Penicillium corylophilum P funiculosum are
recognized as GA-producers (Hasan 2002 Khan et al 2011) P citrinum (Khan et al
2008) Penicillium specie (Hamayun et al 2010) Resistance against insect attack and
pathogens enhanced by GA-producing endophytes which alter defense hormones such
as JA and SA In terms of abiotic stress (drought heat stress and salinity) these
endophytes may change the level of abscisic acid and induce resistance Endophytes
may have influencial role 0n the production of biochemicals and alter antioxidant
activities which is the main cause of improving growth of the plants(Waller et al
2005 Hossain et al 2007 Khan et al 2012 Waqas et al 2012 Khan et al 2013)
Chemical fertilizer showed negative impact on plants status The wide
applications of these inorganic fertilizers also causes deterioration to the soil fertility
by losing physiochemical and biological features of soil (Altuhaish et al 2014) In
addition a harmful effect on environment the chemical fertilizers have low level of
efficacy which may reduce nutrients uptake by the plants (Adesemoye et al 2009)
Application of organic amendments is sound known for inhibition of soil-borne
infections improving crops and yield (Ehteshamul-Haque et al 1996 Ikram and Dawar
2015 Sultana et al 2011 Lazarovits 2001 Stone et al 2003) Organic amendments
showed significant effects on crop health and production not only as a result of inhibiting
inoculum of soil pathogens but improve soil quality (Bailey and Lazarovits 2003)
Organic amendments including green manure peats and composts animal manure has
been proposed to sustain and improve fertility of soil and also soil structure for
conventional biological systems of agriculture (Cavigelli and Thien 2003 Magid et al
2001 Conklin et al 2002) and reduce occurrence level of the infections due to soil
133
containg plant pathogens (Noble and Coventry 2005 Litterick et al 2004) It is exposed
that organic amendments can be active against damages produced by fungal pathogens
such as Verticillium dahliae (Lazarovits et al 1999) Rhizoctonia solani (Diab et al 2003)
Phytophthora spp (Szczech and Smolinacuteska 2001) Pythium spp (Veeken et al 2005
MCKellar and Nelson 2003)Sclerotinia spp (Lumsden et al 1983 Boulter et al 2002)
Thielaviopsis basicola (Papavizas 1968) and) Fusarium spp (Szczech 1999) In current
research use of organic amendments like neem cake cotton cake and mustered cake
alone or with combine application of Penicillium spp significantly (plt005) increase
plant growth and cause growth reduction of root rotting fungi as compared to carbendazim
Population of total fungi and bacteria increased by organic soil amendment
which inhibit pathogens growth due to loss of ability to compete with beneficial
microbes (Gilbert et aI 1968) In our study a positive influence of numerous oil cakes
such as cake of neem and mustard on growth of plant was observed which is as
simillar as the findings of the Pandey et al (2005) and Goswami et al (2006) who
reported the use of different oil cakes such as neem and mustards in soil which showed
positive effects on growth of plant
Mixtures of Penicillium with various organic amendments applied in our study
resulted increasing the effectiveness of beneficial microobes for suppressing the fungi
causing the root rots in the present study This is same as the results of (Van Gundy
1965 Oka 2010) who described the combine effect of oil cakes and Pesturia penetrans
which change the soil features might be due to affect on nematode behaviours
(hatching movement and survival) Soil amendment resulting the decrease of the
occurrence of root knot nematodes and Fusarium spp on mung bean plants
(Ehtashamul-Haq et al 1993) Decomposition process of organic amendment released
sunbtances which produced antagonists and resistance too (Lumsden et al 1983)
which promote the inhibition of pathogen T harzianum used as a biocontrol agent with
neem cake showed significant infection on the reduction of Fusarium spp and
improved the development of plants (Nand 2002) Combine application of organic
amendment and PGPR might be resulted reduction of root-rot infections and fungal
pathogens with improved soyabean production (Inam-ul-Haq et al 2012)
134
Among agricultural fertilizer such as neem (Azadirachta indica) and its
products broadly described as a potential fertilizer (Gajalakshmi and Abbasi 2004) and
fungal diseases controlled by them (Dubey et al 2009 Amadioha 2000) insect pests
(Schmutterer 1995Ascher 1993) nematodes which parasitized by plant (Akhtar and
Mahmood 1995) bacteria (Abbasi et al 2003)) Some Studies have been revealed the
surprising potentail of neem products like neem seed oil against R solani M
phaseolina F moniliforme and (Niaz et al 2008) neem seed kernel extract against
Alternaria alternate Trichothecium roseum Monilinia fructicola Penicillium
expansum and Monilinia fructicola (Wang et al 2010) neem seeds and neem leaves
extract for control of F oxysporum Sclerotinia sclerotiorum and R solani (Moslem
and El-Kholie 2009) In our study neem cake mustard cake and cotton cake separate
or within combination of endophytic Penicillium which significantly (plt005) inhibit
the root rotting fungi and increasing the growth of plant Reduction in pre and post
emergence mortality of cotton and in the occurrence of R solani M phaseolina showed
by neem cake which is commonly used as a natural pesticide(Vyas et al 1990 Jeyara-
Jan et al 1987) Multiple nutrients which are having capacity to improve soil
characteristics are found in organic materials (Orrell and Bennett 2013) They also
provide organic substances like acids that help to breakdown soil nutrients and make
them easily accessible for the plants (Husson 2013)
Use of pesticides for reduction of root rotting fungi and plant parasites is costly
approach and resulting destruction of soil environment (Sukul 2001) Use of
bantagonist is an efficient way to overcome root rotting fungi and lethal nematodes
(root knot) (Whapham et al 1994 Ehteshamul-Haque et al 1995 1996) Usually
suppression of the plant pathogens occured by the direct secretion of toxicant such as
phenolic compounds and indirectly enhancing soil microbes by the application of soil
amendments (Shaukat et al 2001Ali et al 2001) In the present report selected
isolates of endophytic Penicillium separate or mixed use with Carbendazim Feast-M
and Topsin-M not only significantly inhibited the infection of root rooting fungi and
enhanced the growth of sunflower but mixed application also produced additional
defense against pathogen penetration and promote growth Plant centered toxicant
within organic amendments revealed promising outcomes in the management of root
135
infecting fungi present in soil (Ghaffar 1995) Organis amendments give better
environment to soil by providing energy and nutrients which support microbes and
plants to grow and survive successfully (Drinkwater et al 1995) Combination of
beneficial microbes by means of various plant colonizing forms with organic
amendment may be convenient for the inhibition of diseases by using different
biocontrol mechanisms for phytopathogens Combine application of different strains of
PGPR resulted significant inhibition of cucumber pathogens consistently (Raupach and
Kloepper 1998)
For crop protection one of the most favorable alternative approach is activation
of resistance within plant among current strategies (Walters and Fountaine 2009
Anderson et al 2006 Walters et al 2005) These alternative stratigies does not kill
phytopathogen directly (Walters and Fountaine 2009) but encouragement of natural
defence system of plant which introduces systemic acquired resistance (Vallad and
Goodman 2004) In case of abiotic and biotic stress a broad series of bioactive
compounds are release by the plant in natural environment that are injurious to
pathogens and grazing animals Phenolic phytochemicals are basic constituents of fruits
and vegetable of bioactive compounds that function as a resistant against insect and
herbivores (Stevenson et al 1993) Due to their significant protective biological role
phenolic compounds are pervasive in all plants so found in all nutrients In plants
resistant reaction of phenols resulting in the separation of phytopathogens which are
categorized due to the quick and early accumulation of phenolics at the infection site
(Cheacuterif et al 1991)
Phenolic compounds are impotant bioactive metabolites can act as antioxidants
against oxidative stress which leads many benefits to plants (Urquiaga and Leighton
2000 Grassmann et al 2000) also termed as free radical- scavengers Phenolic
compounds and antioxidants have close relation (Kumar et al 2008) Phenolic and
lycopene compounds are carotenoids a big source of antioxidants present in tomatoes
richly (Pinela et al 2011 Sahlin et al 2004 Ilahy et al 2001 George 2004)
Organic tomatoes are economically important with relation to conventional tomatoes
(Kapoulas et al 2011) due to their improved quality and ecofriendly nature Phenolic
136
compounds gives better taste as compared to conventional fruits (Benbrook 2005) In
our research better quality of okra and tomato fruits are produced by endophytic
Penicillium as compared to chemical fungicides and control in both screen house and field
condition
In the present study endophytic Penicillium not affected pH of fruit juice of
okra and tomato compared to untreated plant fruits Our findings were in line with (Oke
et al 2005 Carrijo and Hochmuth 2000) who described that pH of tomato fruit juice
not changed by phosphorus use Combine use of endophytic Penicillium with
Psuedomonas montellii improved TSS (total soluble solids) and tritable Acidity of okra
fruit Total soluble solids consist of acids sugars and other constituents existing in THE
fruits of the tomato (Balibrea et al 2006) Instead of inorganic fertilizer application of
biocontrol agents significantly increased brix content in tomato (Oke et al 2005)
The improved quality of fruit Ash content due to the high utilization of the nutrients
of the soil (Mauromicale et al 2011) The variation present in total soluble solids might
be due to the variability of the gene(Riahi et al 2009) In addition of chemical fertilizer
to soil had a significant function in food safety but however made soil harder that
resulted destruction in soil quality (Lai et al 2002) and the soil mineral absorption
decreased through roots Similarly from the soil availability or absorption of mineral
nutrients due to greater moisture content that improved prescence of mineral in soil
(Van veen and Kuikman 1990)
In the present research application of endophytic Penicillium significantly
impoved the carbohydrate protein antioxidant and polyphenol contents of the tomato
and okra fruits The increment of root surface area ultimately increased water
absorption and nutrient uptake due to endophytic Penicillium increased the above
contents These findings are an agreement with Rashed (2002) who described that
antagonistic microbes improved nutrient uptake (El-Ghadban et al 2002)
The biofertilizers impact positively on okra fruits was confirmed by previous
studies described by (Adediran et al 2001 Adejumo et al 2010) The photosynthetic
activity will also be improved as a consequence of improved interception of light when
137
all nutrient is in the right proportion (Subbarao and Ravi 2001) which ultimately
improves vegetative growth and efficient transport of photosynthetic product from
source to sink
Therapeutic effects of active compounds from fungal source have been noticed
from several years and new drugs have exposed and obtained extracted from the
endophytic fungi (Teakahashi and Lucas 2008 Hormazabol et al 2005) A new
endophytic fungus Muscodor albus was isolated from cinnamon tree (Cinnamomum
zeylanicum) formed volatile compunds that executes fungi causing disases (Strobel et
al 2001 Strobel 2006) (Liu et al 2013 Raghunath et al 2012) has discoverd two
new compouds named as nigerasterols A 6 8 (14) 22-hexadehydro-5α9 α-epidioxy-
315-dihydroxy sterols and B from endophytic fungi (Aspergillus niger)
23 compounds were isolated from endophytic Penicillium regulosum mycelia
Hexane fraction of mycelium were characterized by GCMS to identify the chemical
compounds most of them are hydrocarbon fatty acid alcohol and benzene derivatives
Some compounds were characterized from our isolate such as Widdrol hydroxyether
Eicosane Oleic acid Ethyl Oleate and 2-Aminofluorescein Because of the prescence of
these chemical compounds this fungus might have a capability to act against pathogenic
bacteria and fungi and showed a promising result against both type of bacteria such as
gram-ve and gram +ve
Adametizine A produced by Penicillium sp having antibacterial activity against
Aeromonas hydrophila Vibrio harveyi Staphyloccocus aureus Vibrio parahaemolyticus
and antifungal activity against Gaeumannomyces graminis (Liu et al 2015) Arisugacin
K produced by Penicillium sp having antibacterial activity against Escherichia coli (Li et
al 2014) Cillifuranone produced by Penicillium sp having antibacterial activity against
Xanthomonas campestris and antifungal activity againsts Septoria tritici (Wiese et al
2011) Comazaphilones produced by Penicillium sp having antibacterial activity against
S aureus Pseudomonas fluorescens Bacillus subtilis (Gao et al 2011) Communol A
FndashG produced by Penicillium sp having antibacterial activity against Enterobacter
aerogenes E coli (Wang et al 2012) Conidiogenone B produced by Penicillium sp
138
having antibacterial activity against Pseudomonas fluorescens Pseudomonas aeruginosa
Staphylococcus epidermidis S aureus mr and antifungal activity against Candida
albicans (Gao et al 2011) Dictyosphaeric acid A produced by Penicillium sp having
antibacterial activity against S aureus Enterococcus faecium S aureus mr and
antifungal activity against C albicans (Bugni et al 2004) Isocyclocitrinols produced by
Penicillium sp having antibacterial activity against Enterococcus durans S epidermidis
(Amagata et al 2003) Peniciadametizines produced by Penicillium sp having antifungal
activity against Alternaria brassicae (Liu et al 2015) Penicifuran A produced by
Penicillium sp having antibacterial activity against Bacillus cereus Staphylococcus
albus (Qi et al 2013) Penicilactone produced by Penicillium sp having antibacterial
activity against S aureus mr (Trisuwan et al 2009) Penicimonoterpene produced by
Penicillium sp having antibacterial activity against E coli A hydrophila S aureus
Micrococcus luteus V parahaemolyticus and V harveyi (Zhao et al 2014) and
antifungal activity against A brassicae Aspergillus niger Fusarium graminearum (Gao
et al 2011 and Zhao JC et al 2014) Penicisteroid A which is produced by Penicillium
sp having strong antifungal activity in response to A brassicae A niger (Gao et al
2011) Penicitide A which is produced by Penicillium sp having stronge antifungal
activity in response to A brassicae A niger (Gao et al 2011) Penicyclones AndashE islated
from Penicillium sp having antibacterial activity against S aureus (Guo et al 2015)
Perinadine A which is produced by Penicillium sp having antibacterial activity against
B subtilis M luteus (Sasaki et al 2005) Pinodiketopiperazine A produced by
Penicillium sp having antibacterial activity against E coli (Wang et al 2013)
Scalusamide A produced by Penicillium sp having antibacterial activity against M luteus
and antifungal activity against Cryptococcus neoformans (Tsuda et al 2005) Terretrione
D produced by Penicillium sp having antifungal activity againsts C albicans (Shaala
LA et al 2015) and Xestodecalactone B produced by Penicillium sp having antifungal
activity againsts C albicans (Edrada et al 2002) These references supports our results
that our isolate have antimicrobial activity It also have showen a positive result on the
growth of the by enhancing the plant growth and also suppressing infection of root rot
fungi almost in all crops which are experimented
Conclusion
139
There is eager need for natural (environment friendly) chemotherapeutic and
agrochemical agents instead of synthetic toxic chemicals Natural products produced by
endophytes have been tested against infectious agents against plant pathogens One of the
single greatest challenge is control of soil-borne pathogens including parasitic nematodes
facing recent agriculture worldwide Soil-borne fungi and fungi like organisms
including Macrophomina phaseolina Fusarium species Phytophthora spp
Rhizoctonia solani and root knot nematodes commonly (Meloidogyne species) result
severe economic damages both in greenhouse and field production system In
agricultural and pharmaceteucal industry application of endophytes with their related
benefits has now been new approach in rescent years Despite the assistances related to
endophytic bacteria and fungi in plant disease management they are still largely
unexplored Genus Penicilium has been familiar for their significant secretion of
secondry metabolites among them and was also found to play important function in
plants against stress tolerance Penicilium spp secrete a variety of pharmaceutically
vital compounds with antibacterial antifungal insecticidal and nematicidal activities
In this study endophytic Penicillium isolated from healthy plants revealed
significant potential against root infecting fungi both in field condition and screen house
Although endophytes are now widely used in other different fields
REFERENCES
140
Abawi GS and Widmer TL (2000) Impact of soil health management practices on
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vi
213 Spectroscopy of oily fractions eluted from mycelium
212 In vitro antimicrobial activity of fractions of culture filtrates
213 Population of antagonists Colony forming unit (cfu) per ml in
suspension
214 Growth parameter
2141 Physical parameter
2142 Infection percentage of root rot fungi on roots
215 Biochemical parameter
2151 Estimation of polyphenols
2152 Estimation of antioxidant activity
216 Fruit analysis
2161 pH
2162 Moisture content
2163 Tritable acidity (TA)
2164 Total soluble solid (TSS)
2165 Firmness
2166 Total solids
2167 Protein
2168 Carbohydrate
2169 Total polyphenol and antioxidant activity
217 Experimental design
218 Analysis of data
3 EXPERIMENTAL RESULTS
31 Isolation of endophytic Penicillium
32 In vitro fungicidal activity of endophytic Penicillium
33 In vitro fungicidal activity of cell free culture filtrates of endophytic
Penicillium
34 In vitro antibacterial activity of cell free culture filtrates of endophytic
Penicillium
35 In vitro nematicidal activity of cell free culture filtrates of endophytic
vii
Penicillium spp
36 In-vitro antimicrobial activity of fractions of culture filtrates
361 In-vitro antifungal activity of n-hexane soluble fractions of
culture filtrates
362 In-vitro antibacterial activity of n-hexane soluble fractions of
culture filtrates
363 In-vitro antifungal activity of chloroform soluble fractions of
culture filtrates
364 In-vitro antibacterial activity of chloroform soluble fractions of
culture filtrates
365 Compounds from n-hexane fraction of mycelium of Penicillium
rugulosum
37 Screen house experiments
371 Effect of endophytic Penicillium in soil amended with neem cake
in suppressing the root diseases and growth of sunflower (2016)
372 Effect of endophytic Penicillium in soil amended with neem cake
in suppressing the root diseases and growth of Sunflower (2017)
373 Effect of endophytic Penicillium in soil amended with neem cake
in suppressing the root diseases and growth of mung bean
374 Effect of Endophytic Penicillium and Cotton cake in suppressing
the root diseases and growth of Mung Bean
375 Effect of Endophytic Penicillium in suppressing the root diseases
and growth of Mung Bean
376 Effect of endophytic Penicillium in soil amended with neem cake
in suppressing the root diseases and growth of tomato
377 Effect of endophytic Penicillium in soil amended with cotton
cake in suppressing the root diseases and growth of tomato
378 Effect of endophytic Penicillium in soil amended with neem cake
in suppressing the root diseases and growth of chickpea
379 Effect of endophytic Penicillium insoil amended with mustard
viii
cake in suppressing the root diseases and growth of chickpea
3710 Effect of endophytic Penicillium and fungicides in suppressing
the root diseases and growth of sunflower
3711 Effect of endophytic Penicillium as soil drench on growth of
okra plants
3712 Effect of endophytic Penicillium as soil drench on growth of
tomato plants
38 Field Experiments
381 Effect of Pseudomonas monteilii and endophytic Penicillium as
soil drench on growth of okra plants in soil under field condition
382 Effect of Pseudomonas monteilii and endophytic Penicillium as
soil drench on growth of tomato plants in soil under field condition
4 DISCUSSION
ix
EVALUATION OF BIOCONTROL POTENTAIL OF ENDOPHYTIC SPECIES OF
PENICILLIUM AGAINST ROOT ROTTING FUNGI AND ROOT KNOT
NEMATODE
SUMMARY
Endophytes are either bacteria or fungi that reside in the tissues of the plant without causing
any apparent symptoms Some endophytic microorganism may promote growth of plants
help in uptake of nutrients and increase the ability to bear environmental stresses like
salinity drought and reduce biotic stresses During our study plants were collected from
different localities in Karachi Pakistan like Memon Goth Kathor Gadap Gharo Malir and
University of Karachi campus from which endophytic Penicillium were isolated Out of the
eighty samples of the plant 14 isolates of endophytic Penicillium isolated (root stem and
leaves) from wild plants (Achyranthus aspera Atriplex stocksii Euphorbia hirta
Chorchorus tridens) and cultivated plant (Solanum melongena Lycopersicon esculentum
Helianthus annuus Azadirachta indica Abelmoschus esculentus Momordica charantia)
Species of Penicillium identified as P asperum P lilacinum P purpurogenum P
nigricans P rugulosum P restrictum P duclauxi P citrinum P thomii P lividum and P
javanicum Identification of selected isolates of Penicillium was also confirmed by using
molecular biology tools
Antimicrobial activity of 14 endophytic isolates of different species of Penicillium
tested against common fungi (root rotting) viz F oxysporum Fusarium solani
Macrophomina phaseolina and Rhizoctonia solani by dual culture plate assay All EP
isolates showed significant result produced by the inhibition zone Nematicidal potential of
cell free culture filtrates of endophytic Penicillium also has shown significant results After
24 hour 50nematicidal potential showed by Ppurpurogenum (EP-3) while after 48 hours
all other isolates showed 100 mortality
Culture filterates of endophytic Penicillium caused growth suppression of bacteria
Salmonella typhimurium Bacillus subtilis Escherichia coli and Staphylococcus aureus As
concentration increased biocontrol potential of culture filterates of EP increased as well
These outcomes show that endophytic Penicillium could be fullfil the need of discovering of
x
new antibiotics Culture filtrates of Penicillium also showed activity of fungicidal against
root rotting fungal pathogens Fsolani Rsolani Mphaseolina Rsolani and Foxysporum
by making inhibitory zone Cuture filterates of 60 microldisc showed more effective results than
20 or 40 microldisc Fractionation of cell free culture filtrates of viable isolates of our
Penicillium (EP) was made in solvents ie chloroform and n-hexane and showed strong
antibacterial and antifungal activity against above described pathogens These results
showed that secondry metabolites having compounds with strong antimicrobial potential
Secondary metabolites producing from endophytic Penicillium spp offer an stimulating
area of investigation for the encounter of novel antimicrobial compounds Hexane fraction
of mycelium of promising isolate EP-5 showed prescence of chemicals
In current research antagonistic potential of Penicillium was assessed against
phytopathogens on sunflower (Helianthus annuus) chickpea (Cicer arietinum) tomato
(Lycopersicon escolentum) mungbean (Vigna radiata) and okra (Abelmoschus esculentus)
in field and screen house experiments Inhibitory affects on Foxysporum Rsolani Fsolani
and Mphaseolina showed by many endophytic Penicillium which causes healthy plant
growth by improving plant length fresh shoot weights in both type of experiments (Screen
house and field) In some experiment polyphenol and antioxidant activity also showed
significant result which might be due to resistance produced by endophytes Endophytic
Penicillium treated plants produced fruits which is better in quality as compared to control
Endophytic Penicillium associated with healthy plants is a source of new bioactive
metabolites which could be exploited in plant protection and also in medicine
xi
xii
1
1 INTRODUCTION
11 Endophytic fungi
Agricultural production passes through heavy loss due to different abiotic and
biotic stresses Most of the economic areas of the world is agriculture it is the most
eager need of the decade to discover and to create the best approach for sustainable
agriculture and development in crop growth (Rai et al 2014) Endophytes are
microorganisms that live inside the plant tissues for atleast in their life cycle that produce
no visuallized symptoms to the host (Bacon and White 2000) Inside the living host plant
tissues an expensive symptomless plant-microbe association build this phenomena called as
Endophytism(Kusari and Spitteler 2012b) During this complex relationship both partners
can be represented as extremely keen mutualism individual benefits depend on both of them
But their relation might be shift toward parasitism or saprophytism or concerning further
dedicated collaboration with time (Millet et al 2010 Zuccaro et al 2011) Recent studies
proposed endophyte-host plant relations are inconstant and showe a relationship between
mutualistic to antagonistic (Saikkonen et al 1998) Mutual relationship between
photosynthetic organisms and fungi earliest and universal (Berbee 2001 Alexopoulos et
al 1996) Evidence showed the presence of microorganism inside the plant tissues from
the the time of the emergence of higher plant on the earth (Redecker et al 2000) Since
the end of 19th century the inoculum of fungi in symptomless plant has recognized
Guerin (1898) Azevedo (1998) and Endophyte word was first suggested in 1866 de
Bary (1866) Endophytes initially defined in Darnel (Lolium temulentum) Freeman
(1904) they isolated it from wide range of plants from arctic to tropics and from
cultivated to wild ecosystems (Arnold 2007) and so far atleast one endophyte have been
found in all living plants species (Dutta et al 2014)
There have been numerous revisions on the relationship of endophyte and plant
particularly for grasses for instance tall fescue where it has been revealed that
endophytic fungus Neotyphodium coenophialum produce toxins that act as defensive
agent against their predators including insects and other grazing animals (Bultman and
Murphy 2000 Bacon et al 1977) it was found that this fungus could be beneficial for
2
enhancing their host tolerance against stresses of abiotic and biotic (Schardl et al 2004
Saikkonen et al1998) In between other symbiotic associations fungal endophytes are
most commonly competitive (Staniek et al 2008) Fungal endophytes are a very varied
polyphyletic group of microorganism that lives inside host stem leaves and also in roots
Endophytes fungi are present above ground parts of plant which make different from
mycorrhizal fungi but also present in roots Fungi related to rhizosphere and roots of the
plants and had positive effect on the growth of plant and recognized as PGPF (Plant
growth promoting fungi) The significant of PGPF belongs the genus Gliocladium and
Trichoderma (Altomare et al 1999) have proficient of inhabiting the plant roots (Gera Hol
and Cook 2005) Endophytes are considered as avirulent opportunistic plant symbionts
and develop systemic resistance in plants just like rhizobacteria (Harman et al 2004)
Similarly endophytic Acremonium lolii and A coenophialum exposed antibiotic formation
against a variety of fungal plant pathogens in culture (White and Cole 1985) Fungus
Muscodor produced volatile compounds which is mostly used as a fumigants in soil (Ezra et
al 2004 Mercier and Manker 2005) In our previous report endophytic Penicillium spp
isolated from Salvadora species showed noteworthy antimicrobial activity (Korejo et al
2014)
Against numerous diseases many endophytes have capability to produce different
secondry metabolites that have therapeutic effect (Kharwar et al 2011 Kusari and
spiteller 2012b)
12 Endophytic Penicillium
In recent search for agricultural and pharmaceutical industries to develop a
effective products Natural products have been recognized as a therapuetic agents and play
a important role in nature So the search is carried out for the production of novel
bioactive metabolites from organisms that reside novel biotopes Endophytic fungi
populate such a biotope (Schulz et al 2002) The genus Penicillium is a group of more
than 200 species inhabiting fibre fruits food items soil marine and various species of
plants (Korejo et al 2014 Gong et al 2012) In same way species of Penicillium
deliberated as soil inhabitant and present as a toxicant on foods materials like fibers
starchy materials and fruits but species of Penicillium have been reported in the form of
3
endophytes and play significant role in plants towards tolerance of stress(Khan and Lee
2013 Waller et al 2005) Fungal endophytes is used as a ironic source of secondry
metabolites for agricultural and medicinal practices (Schulz et al 2002) and lot of exposed
(Huang et al 2008)
Endophytic Penicillium species are the producers of diverse variety of secondary
metabolites (Zhang et al 2006 Schulz and Boyle 2005) ie various penicillins PR-
toxin polyketides xanthoviridicatins E and F chrysogine Chrysogenamide A
sorrentanone xanthocillins secalonic acids sorbicillactones A B sorbivinetone
Ochratoxin A (Hoog et al 2000 Singh et al 2003 Gerhard et al 2005 Vega et al
2006 Lin et al 2008) Penicillium species are known to have antifungal algicidal and
antibiotic activities (Meng et al 2011)
13 Role of endophytic Penicillium in growth of plant
Though current studies have revealed that growth enhancement of plant might be
the reason of the production growth promoting secondary metabolites (gibberellins auxin
cytokinin) from plants due to the prescene of endophytic fungi in the rhizospheric region
(Hamayun et al 2010a) Endophyte and plant relationship have the mojor influence on
plant growth promotion (Hassan et al 2013) though endophytic fungi may be responsible
to enhance the growth of the plant in order to secrete different chemical compounds like
ammonia indole acetic acid (IAA) and phytohormone and (Bal et al 2013) Usually
indole acetic acid acts as growth promoter plants by enhancing cell division and cell
elongation and is necessary for differentiation of tissues of plant (Taghavi et al 2009)
Soil microorganisms have a potential to synthesis a wide range of indole acetic acid that
play a role in plant development (Spaepen and Vanderleyden 2011) on other hand
endophytic fungi isolated from different parts of plants which indicated high amount of
indole acetic acid as compared to those isolates isolated from root-free soil (Spaepen et al
2007) The important role of indole acetic acid in growth of the plant in addition to the
potentail of fungal endophytes to secretes indole acetic acid has increased attention due to
their effectiveness on the concentration and supply of indole acetic acid in tissues of the
plants
4
Endophytic fungi have been considered as producers of phytohormones which act
as strong plant growth enhancer These outcomes proposed that endophytic fungi obtained
in the study produced bioactive metabolites which play magnificent roles in stimulating
growth of the plants (Khan et al 2015) Endophytic Penicillium species produced wide
range of Indole acetic acid and gibberellins thus increases plant growth Gong et al
(2014) reported the effect of Penicillium oxalicum on enhancement of growth of maize
plants where they observed that P oxalicum stimulate the growth of maize plants due to its
phosphate-solubilizing ability
14 Role of endophytic Penicillium as resistance inducers in plant stress
Systemic induced resistance have played a vital role in the survival of the plants to
protect themselves in response to pathogenic organisms (Lim et al 2006) It seems in
almost all plants in response pathogenic attack treated with different organic amendments
and chemicals Phytohormones are present extensively in plant parts Plants secrete an
enormous range of chemicals that are toxic to their predators Phenolic compouds are
bioactive chemicals which are common elements of fruits and vegetables act as defensive
agent against insect and grazing animal (Stevenson et al 1993) In the plants growth
phytochemical compounds which have low molecular weight such as phenolic show a
dynamic part and its production and secretion may be due to both biotic and abiotic factors
(Joachim et al 2007) Phytochemicals protect plants towards abiotic and biotic stresses
and therefore are produced against pathogens attack which are exposed to high energy
radicals like the exposure of UV radiation (Briskin 2000) Due to the significant defensive
roles phenolic phytochemicals have pervasive in most of the plants and find specific place
in most of the groups of foods Cherif et al (1991) reported that phenolic compound play
role in resistance of the plants which are accomplished by the rapid accumulation of at the
infection site resulting in the prevention of the pathogen The function of phenolic
compounds in inhibition of the pathogenic infection which act as a barriers to a
pathogens and develop resistance broadly Imporatant groups of compounds termed as
scavengers of oxygen free radical or antioxidants used to resist the phytopathogen and
protection of the oxidative stress of environment (Conceica et al 2006 Wanas 2006)
Numerous studies demonstrate that soil-borne fungal diseases controlled by antioxidants
5
(Dmitriev 2003) with increasing the phytophenolic compounds which increasing plant
growth development and defense against disease Antioxidants used successfully to
control most of the diseases in plant like Fusarium wilt of chickpea plants(Nighat- Sarwar
et al 2005) in tomato (Mohamed et al 2007) pod rot and peanut root (Elwakil 2003
Mahmoud et al 2006) in pepper damping- off (Rajkumar 2008) faba bean of chocolate
spot (Hassan et al 2006) and in the lupine leaf blight and root rot (Abdel-Monaim 2008)
Antioxidants eg salicylic benzoic acids ascorbic propylgalate in cumin in the form of
seed soaking or in other way such as soil drenching showed protection of diseases
occurred by f spcumini and Fusarium oxysporum (Mostasa 2006) The mechanism of
antioxidants was described in many host-pathogen relations such as a wide range of
enzymes like polyphenol oxidase ascorbate oxidase peroxidase and catalase identified
againsts pathogen infection (Clark et al 2002) or outcomes of most of the treatments with
different antioxidants activity ( El-Khallal 2007 and Abdel-Monaim 2008)
In organic agriculture biocontrol agents have different mode of actions including
production of metabolites against pathogens mycoparasitism competing their place and
their nutrients uptake growth promotion of plants and stimulation of defense mechanim in
most of the plants (Chet et al 1997 Howell 2003) This original biological approach
encourages natural resistances of the plants which leads towards systemic resistance
(Vallad and Goodman 2004) instead of apply effects on the most of the plant pathogens
(Walters and Fountaine 2009) Metabolites produced by biocontrol agents against
pathogenic fungus are main factor to discovering them Many researchers are discovering
bioactive chemicals synthesize by microorganism that control most of the diseases of the
plants (Dowling and OrsquoGara 1994) Induction of systemic resistance through biocontrol
agents changed the certain biochemicals of plant which can consider as resistance markers
(Schonbeck et al 1981) including enzymes accumulation like peroxidase (He et al
2002) It was shown that due to systemic acquired resistance in tomato activation of the
defensive mechanism occurs by the insects (Murugan and Dhandapani 2007) viruses
most of the nematodes bacteria and endophytic fungus (Anfoka and Buchenauer 1997
Laporte et al 2007 Molinari 2008 Vasyukova et al 2007Mandal et al 2009 Hase et
al 2008 Park et al 2008) In the same way Shafique et al (2016) studied that combine
use of the oil cake and P lilacinus and PGPR enhance growth of plant that also suppress
6
the infection of root rotting fungi by improving antioxidant activity and polyphenols
contents of the okra plant
Endophytic microorganisms produce secondary metabolites which are crucially
important as parasiticide insect antifeedent and pathogen inhibitors (Meng et al 2011)
Other benefits for host plant include increased resistance to heavy metals salinity and heat
stress improved drought tolerence protected from grazing animals introduced systemic
resistance to pathogens and promoted growth (Redman et al 2001 Clay and Schardl
2002 Marquez et al 2007 Tejasawi et al 2007) Hence Endophytic fungi increase the
ecological survival of plants by increasing resistance towards abiotic and biotic stress
factors (Schulz and Boyle 2005 Gonthier et al 2006) Hossain et al (2014) reported the
part of Penicillium sp in developing systematic resistance to cucumber infection of leaf
caused by anthracnose phytopathogen Colletotricum orbiculare in the cucumber
Similarly Khan et al (2015) studied the effect of P janthenalum in producing tolerance
against aluminum stress in tomato plants Penicillium endophytes are also help plants to
tolerate stress of salinity by regulating plants hormones (Khan et al 2013 Khan et al
2015) Penicillium strains are safe to environment as they reduces the level of salinity and
increase growth of the plants (Leitao and Enguita 2016)
Furthermost fungal endophyte facilitates induction of systemic acquired resistance
in most of the plants (Bailey et al 2006 Nassimi and Taheri 2017) and play a vital role in
safety and control of infection of plants Endophytic fungi play a chief part in growth
promotion of plant higher production of seed and resist plants against several abiotic
biotic stresses and infections Most of them are produce compounds against pathogenic
microbes phytohormones and different bioactive agrochemicals Eco-friendly and
economically active agricultural products are developed by many potential endophytes
(Rai et al 2014) Penicillum chrysogenum produces hypocrellins B and C which have
strong antifungal activity (Meng et al 2011)
15 Soil-borne diseases
Diseases which are caused by organisms persists in soil and debris on soil surface
are known as soil borne diseases and the organisms which causes such diseases are soil-
7
borne pathogens Soil-borne pathogenic fungi reside for several years in soil in the form of
various dormant structures viz chlamydospores melanized hyphae sclerotia and oospores
and are major cause of lowering yield and quality of plant products (Baysal-Gurel et al
2012 Koike et al 2003) Whereas nematodes survive in soil as free organisms cysts or
eggs (Koike et al 2003) Soil borne pathogens infect belowground along with foliar
tissues of plants The well-known diseases produced by soil-borne fungi are the rots which
effect underground tissues of plants and vascular wilts While some soil-borne pathogens
effect the above ground tissues of plants (Koike et al 2003) Soil-borne diseases are more
harmful under poor soil conditions ie inappropriate drainage system low range of
organic matter low level of fertility poor soil structure and high compaction level of the
soil (Abawi and Widmer 2000)
16 Soil-borne root rotting fungi and nematode
Among the plant disease causing organisms nematodes which parasitized plant
resulted loss upto 100 billion US$ to the agriculture world annualy and approximately 500
million US$ is wasted on control of nematode (Saifullah et al 2007) Whereas the
infection of root rot caused by Rhizoctonia solani Macrophomina phaseolina Fusarium
species Pythium species and Phytophthora species are most common in the crop plants
producing billions $ losses every year
Infections produced by soil borne pathogens includes damping off root rots and
wilts by Fusarium Phythium and Rhizoctonia Phytophthora verticillium and nematodes
species Fusarium oxysporum and its more than 70 species are known to cause root wilt
and root rot diseases in variety of plants species including tomato plants (Kistler 1997)
Species of Cephaliophora Bipolaris Cephalosporium Corynascus Curvularia
Exerohilum Botryodiplodia Fusarium Melanospora Nigrospora Rhizoctonia
MacrophominaSclerotium and Stemphylium are also potent plant pathogens in Pakistan
(Shahzad and Ghaffar 1995) Root knot nematodes are the members of genus Meloidogyne
(Sharon et al 2001 Taylor and Sasser 1978) Globally 26 of crop losses are resulted by
pathogens (Khan et al 2009) Nematodes alone cause 5 of worlds crop losses (Sasser
and Carter 1975) Soil-borne root infecting fungi and nematodes not only produce diseases
8
in plants but also decrease the biomass of plants and severely decrease the yield of crops
and sometimes even death of plant may occur
Nematodes (Meloidogyne spp) parasitized inside specialized type of feeding cells
into the plant tissues directly and remained inside the plant tissueon the otherhand
parasitic type of fungi also penetrate into the tissues of host and absorbs the nutrients Soil
and rhizosphere microorganisms are difficult to control because of tissues around them So
these endo-parasitic nematode and fungi may be able to control by endophytic
microorganisms colonizing around plant root tissue because they occupies same space and
are come in contact with each other (Hallman et al 1997) Hallman and Sikora (1994
1996) demonstrated that endophytic Fusarium oxysporum isolated from tomato roots had
determental effect on Meloidogyne incognita Colonization of tomato roots by the
endophyte resulted in 60 reduction of Mincognita infestation
Charcoal rot disease produced by Macrophomina phaseolina which is soil
inhabiting fungus having diverse type of distribution and have hazardous to the
production of the crops in most of the arid areas over 500 plant species (Ijaz et al 2012)
17 Biological control
Biological control is the management of components of ecosystem in order to
protect plants against pathogens It ensures the preservation of environment by no use of
chemicals (Barea and Jaffries 1995) Most of the fungi used as a biocontrol agents and
have long been studied and various reports are available Such as Perveen et al (1994)
reported the effectiveness of Fusarium oxysporum in order to reduce the infection of the
Macrophomina phaseolina Fusarium solani and Rhizoctonia solani Trichoderma species
have been known for so long as biological control agent of soilborne pathogens and also
act as a symbionts of the plants (Harman and Shoresh 2007) Further they suggest that F
oxysporium is a potential biocontrol agent against these pathogens in tomato and okra
Later Siddiqui and Shaukat (2003) tested Pochonia chlamydospora against Fusarium sp
Rsolani and M phaseolina and found it effective against these pathogens Siddiqui et al
(2000) and Waqas et al (2012) investigated the effects of Penicillium and Phoma
glomerata species on the cucumber in drought and saline stress and reported that these
9
endophytic fungal species increases biomass and growth of economically important crops
Major application in agriculture pharmaceutical and commercial utilization of these
endophytic fungi
The current research focused on the isolation and identification of the endophytic
Penicillium species which is associated with plants which are healthy plants and
evaluation of their antagonistic potential against root rotting fungi using sunflower
munbean tomato chickpean and okra as test crops The report also describes the extraction
and characterization of some new compounds from mycelium of Pregulosum
10
2 MATERIALS AND METHODS
21 Collection of plants for isolation of the endophytic Penicillium spp
Survey of various agricultural fields of Kaarchi and its suburb like Karachi
University campus Memon Goth Kathor Gadap Gharo and Malir were carried out
Healthy wild and cultivated plants alongwith roots were selected collected and were
transported to laboratory and preserved at (4oC) untill Penicillium were isolatedround
about (24) hours
22 Isolation and identification of endophytic Penicillium
1 g of th sample of the plant either stem root or leaves was separately cleaned
sanitized in 1 bleech for (3) min then with (70) alcohol for (3) min and then washed
with the help of distilled H2o Each sample was chopped in sterilized grinder with 50mL
sterilized water and dilutions of each sample were made upto 1104 and further proceed as
described by Korejo et al (2014) and fungal growth fungi were identified with reference
to Barnett and Hunter (1998) Domsch et al (1980) Dugan (2006) Raper and Thom
(1949) and Visagie et al (2014)
221 Molecular strain typing of promising isolates
The selected endophytic Penicillium isolates P rugulosum (EPAAR5) P
decumbens (EPAIR6) P nigricans (EPSLR4) P asperum (EPHAL10) and P
purpurogenum (EPEHS7) initially identified by morphological characters were further
subjected to molecular identification and strain typing bythe PCR (polymerase chain
reaction) based on molecular techniques recently described (Habiba et al 2018)
Briefly five days old strains grown (1 mL) in broth of YPD at 26degC and cells were
harvested by centrifugation (Hanil Korea) for (14000 rpm) for (10 min) at room
temperature Genomic DNA extraction kit (Norgen biotek Canada) was used for fungi as
per vender instruction while quality and purity of the genomic DNA established in
nanodrop (Nano-Drop 200 Thermo Scientific USA) In case of molecular identification t
rDNA-ITS4 ITS1-58S regions amplified with the help of the primers ITS1 (5acute-
11
TCCGTAGGTGAACCTG CGG-3acute) and ITS4 (5acute-TCCTCCGCTTATTGATATGC-3acute) as
initially described Karimi et al (2015) Reactions of the PCR were performed consisting of
genomic DNA (150 ng) primer set (16 μM each) Dream Taq Master Mix (2x Thermo
Scientific USA) and nuclease free water to a final volume of 20 μL Thermal cycling
carried out in a Master cycler (ProS Eppendorf Germany) with an initial denaturation step
(4 min at 94 ordmC) followed by 40 cycles of denaturation (45 s at 94 ordmC) annealing (45 s at 55
ordmC) and extension (1 min at 72 ordmC) and a final extension at 72 ordmC for 7 min
For genetic variation between the strains Random Amplified Polymorphic DNA
(RAPD) PCR was performed with specific oligonucleotide primer M13 (5acute-GAGGGTGG
CGGTTCT-3acute) as described by Zahid et al (2017) Briefly PCR were performed in a total
volume of 20 microL comprising of genomic DNA (25 microL) primer M13 (16 microM) 2x Dream
Taq PCR mix (10 microL) with additional 1 mM MgCl2 and 10 DMSO (Sigma-Aldrich
USA) Thermal cycling was carried out in a Master cycler (ProS Eppendorf Germany) with
an initial denaturation step (5 min at 95 ordmC) followed by 35 cycles of denaturation (30 s at
90 ordmC) annealing (1min at 40 ordmC) and extension (8 min at 65 ordmC) and a final extension at 68
ordmC for 16 min
PCR products (~10 microL) were subjected to 2 agarose gel electrophoresis
containing ethidium bromide (05 μgmL) 1kb DNA ladder (Fermentas USA) was used to
calibrate the sizes
23 Isolation of the soil borne fungi
231 Soil dilution technique for the iolation of Fusarium species
Fusarium were isolated by soil dilution technique (Nash and Snyder 1962) as
described by (Urooj et al 2018) and identified by Nelson et al (1983) and Booth (1971)
12
232 Baiting technique for the isolation of (Rhizoctonia solani)
Rhizoctonia solani were isolated through baiting technique and identified
(Wilhelm 1955) as described in previous report (Urooj et al 2018)
233 Dilution and wet sieving technique for the isolation of (Macrophomina
phaseolina)
Macrophomina phaseolina were isolated by using techniques (wet sieving and
dilution plating)Sheikh and Ghaffar (1975)
24 In vitro determination of antifungal activity of Penicillium species by dual
culture plate assay
For determination of fungicidal potential of Penicillium spp four common fungi
(root rotting) viz Rhizoctonia solani F oxysporum Macrophomina phaseolina and
Fusarium solani were chosen A disc of the 5 mm of the test and fungi (root rotting) was
inoculated on the opposite side of the Petri dish of 90 mm which was poured with CDA
(Czapeks Dox Agar) pH (72) and incubated (28degC) for (5 days) Inhibition zone was
measured in mm (Korejo et al 2014) Experiment were repeated thrice and replicated four
times
25 Inoculation of the nematode (root knot)
Pure culture of the root knot nematode (Meloidogyne javanica) obtained through
egg masses attached on infected brinjal root Roots were washed under tap water was used
to washed te roots thoroughly stereomicroscope was used to collect egg masses and
transferd in cavity blocks having distilled water and left for the hatching (at room
temperature) after 48 hours juveniles were hatched and proceed for the experiment
27 Preparation of culture filtrates
Culture filtrates of test Penicillium spp were obtained by growing 5 mm disc of
culture in 100 ml of CDB (Czapekrsquos Dox broth) in (250 ml) flask After (15 days) of the
13
incubation (25-30degC) culture filtrate were collected by filteration and 1-2 drop of
chloroform were added to prevent further growth of any contaminant
28 Determination of antifungal activity of culture filtrates of Penicillium species
in vitro
Culture filtrate were loaded at concentration of 20 40 and 60 microl on thick sterile
filter paper discs and dried and placed in clock wise manner according to concentration in
the plates containing Czapekrsquos Dox Agar Disc of test fungus were inoculated in centre of
plates CDB (Czapekrsquos Dox broth) used as a control and 20 microgdisc carbendazim used as a
positive controlAt 30degC Petri dishes left for (5-7 days) and between test fungus and disc
distance was measured as a inhibition zone Qureshi (2003)
29 In vitro antibacterial activity of culture fitrates of Penicillium species
To examine the activity of secondary metabolites of Penicillium spp against
bacteria lawn of test bacterium was prepared in 90mm petri dishes containing Nutrient
Agar medium Culture filtrate of each Penicillium sp at 20 40 and 60 microldisc were loaded
on thick sterile filter paper discs and dried and placed in clock wise manner according to
concentration in the plates having bacterial lawn with nutrient Agar A disc of 5 mm of test
fungus was inoculated in the centre of the plate Discs loaded with sterile broth of
Czapekrsquos Dox served as control whereas penicillin 20microgdisc used as positive control for
the gram positive bacteria and streptomycin 20microgdisc used as a positive control for gram
negative bacteria Petri dishes were kept at 30degC for (2-3 days) The inhibition zone were
measured in mm
14
210 In vitro nematicidal activity of culture filtrate of Penicillium species
To examine the nematicidal potential of the culture filtrate 1 ml of culture filtrate
was filled in a cavity blocks containing 15 picked second stage nematode (Meloidogyne
javanica) larvae As a +ve control distilled H2O water was used 2ml The cavity blocks
were kept at room temperature 25-30C and nematode mortality was recorded after 24-48
hours under stereomicroscope
211 Fractionation of culture filtrates
Culture filtrate was extracted three times with n-hexane and chloroform by shaking
vigorously in a separating funnel The extraction volume of each solvent is approximately
half to that of the filtrate Each solvent layer was allowed to separate out and run off from
the aqueous layer The n-hexane and chloroform fractions were collected pooled
concentrated on a rotary evaporator (Eyela-NE) separately and weighed
28 Determination of antifungal activity of frcations of culture filtrates of
Penicillium species in vitro
Each fraction was re-dissolved in their respective solavent and loaded at
concentration of 20 40 and 60 microl on thick sterile filter paper discs and dried and placed in
clock wise manner according to concentration in the plates containing Czapekrsquos Dox Agar
(CDA) Disc of test fungus were inoculated in centre of plates Czapekrsquos Dox broth (CDB)
used as control and carbendazim at 20 microgdisc used as positive control Petri dishes were
left for 5-7 days at 30degC and distance between test fungus and disc was measured as
inhibition zone (Qureshi 2003)
29 In vitro antibacterial activity of the frcations of culture fitrates of the
Penicillium species
In order to examine the prescence of secondary metabolites of the species of
Penicillium against bacteria lawn of test bacterium was prepared in 90mm petri dishes
containing Nutrient Agar medium Filtrates of cell free culture of the species of Penicillium
species at 20 40 and 60 microldisc were loaded on thick sterile filter paper discs and dried
15
and placed in clock wise manner according to concentration in the plates having bacterial
lawn with nutrient Agar 5 mm disc of test fungus was inoculated in centre of plate Discs
loaded with sterile broth of Czapekrsquos Dox (CDB) used as control whereas penicillin
20microgdisc used as positive control for gram positive bacteria and streptomycin 20microgdisc
served as positive control for gram negative bacteria Petri dishes were kept at (30degC) for
(2-3) days The inhibition zone were measured in mm
212 Extraction and compounds from mycelium of endophytic Penicillium
10 gm mycelium was thoroughly washed with n-hexane solvent to remove excess
water and extraction with (200 mL) n-hexane by Soxhlet extractor for (8 h) The fractions
were evaporated at 40degC through a rotary vacuum evaporator
213 Spectroscopy of oily fractions extrcated from mycelium of Penicillium
regulosum
The oily mass extracted from mycelium and culture filtrate of endophytic fungi
were subjected to GC-MS in order to isolate volatile compound GCMS (Gas
chromatographymass spectrometer) analyzed on High Resolution Mass spectrometer Jeol
HX-110 (Japan) eqquiped with data system DA-5500 with gas chromatograph Hewlett
packard (5890)
213 Determination of colony forming unit (cfu) per ml of suspension
Colony forming unit (cfu) per ml of Penicillium suspension were determined by
dilution plate method Fungi grown on the petri plates added then multiplied by the factor
of the dilutions donated by (cfuml) of the fungi
Cfu ml = Number of colonies of bacteria on plate X Dilution factor
16
214 Growth parameters
2141 Physical growth parameter
On harvesting the experiment physical parameters of the plants which was height
weight of the shoot length and weight of the roots number and weight of fruits were
measured
2142 Percent Infection of fungi (root rot) on roots
To determe of the infection of the root rot fungi method reported by Rahman et al
(2016) was used
215 Biochemical parameters
2151 Estimation of polyphenols
Dried sample of the leaves crushed in ethanol of 96 vv At 3000rpm for 20min
mixture of the sample centrifuged Supernatants used to anlayse antioxidant Salicylic and
polyphenol activity
Folin-Ciocalteu phenol reagent used for total poly phenol content described
(Chandini et al 2008)
2152 Estimation of antioxidant activity
Free radical scavenging assay was determined by DPPH (2 2-Di-phenyl-1-
picrylhydrazyl) used for Antioxidant activity (Zubia et al 2007 Duan et al 2006)
2153 Quantification of salicylic acid (SA)
Salicylic quantification was done by using 01 percent prepared Fecl3 (Ferric Chloride)
described by Warrier et al (2013)
216 analysis of Fruits
17
2161 pH (Power of Hydrogen)
To determine the pH fresh sample of five gram fruit in (10ml) of distilled water
were centrifuged for (20 min) in (3000) rpm Supernatent collected to analyse biochemical
activitySample pH measured as described (AOAC 1990)
2162 Moisture content
To analyse moisture content Fresh fruit determine by the method AOAC (1990)
Fruit moisture content can be calculated as follows
Moisture content= Weight of fresh sample ndash Weight of dried sampletimes 100
-------------------------------------------------------
Weight of fresh sample
2163 Tritable acidity (TA)
Sample of 5-ml titrated against (01 N) NOAH solutions by adding 2-3 drops of
phenolphthalein indicator drops for the persistent of the pink coloration The tritable
acidity was calculated by AOAC (1900)
2164 Total soluble solid
A juice drop transferred on prism surface of the hand refractometer (model
ATAGO) and the brix value was recorded by adjusting the eyepiece which showed TSS in
sucrose
2165 Firmness
Tomato fruit firmness recorded by using a TA-XT (Texture Analyser) with 3mm
diameter of the flat aluminium probe
2166 Total solids
It was determined as described by (James 1995) by subtracting percentage
moisture from 100
18
Total solids () = 100 ndash moisture
2167 Protein
Content of protein measured using (Lowry et al 1951) method
2168 Carbohydrate
Method of Phenol-sulphuric acid used to determine the prescence of carbohydrate
of the fruit sample (Dubios et al 1956)
2169 Antioxidant activity and Total polyphenol
To estimate the polyphenol by Folin-Ciocalteu phenol reagent method used
described as (Chandini et al 2008) To determine the antioxidant activity of fruits
samples used by method described by (Zubia et al 2007 Duan et al 2006)
217 Experimental design
Complete randomized design or randomized complete block design used as a
ststistical tool in screen house and field conditions experiments
218 Analysis of data
(ANOVA) Analysis of variance included least significant difference (LSD) were
analyse according to experimental design described as Gomez and Gomez (1984) were
used
19
3 EXPERIMENTAL RESULTS
31 Isolation of endophytic Penicillium
Out of 80 plant samples from both wild and cultivated species (Roots stems and
leaves) 14 samples showed presence of genus Penicillium Endophytic Penicillium spp
isolated (root stem and leaves) from wild plants (Achyranthus aspera Atriplex stocksii
Euphorbia hirta Chorchorus tridens) and cultivated plant (Solanum melongena
Lycopersicon esculentum Helianthus annuus Azadirachta indica Abelmoschus
esculentus Momordica charantia) Fourteen isolates of Penicillium were isolated and
identified on the bases of their morphological feature Species of Penicillium were
identified as P lividum P lilacinum P purpurogenum P nigricans P rugulosum P
restrictum P duclauxi P asperum P thomii P citrinum and P javanicum (Table 1)
32 Molecular Identification of endophytic Penicillium
The selected endophytic Penicillium isolates P rugulosum (EPAAR5) P
decumbens (EPAIR6) P nigricans (EPSLR4) P asperum (EPHAL10) and P
purpurogenum (EPEHS7) initially identified by morphological characters were further
subjected to molecular identification and strain typing (Habiba et al 2018) PCR
amplification of DNA from endophytic Penicillium strains using a universal genus specific
primer set (ie ITS1 and ITS4) which amplified the product size ranging between 500 to 600
bp for different fungal species while 600bp specific for Penicillium spp All products thus
showing the availability and consistency in size of typical 600bp for Penicillium isolates
(Figure 1A) RAPD-PCR was also performed to established the genotypic variations and
similarities with in the genus Penicillium (Figure 1B) RAPD-PCR is universally used and
based on polymorphism of DNA at the taxonomic level clearly illustrates the discrimination
power at the specie level Moreover the dendrogram of RAPD-PCR analysis revealed the
genetic relatedness between the isolates (Figure 1C) Dendogram represents two distinct
clades in first isolate P rugulosum EPAAR5 and P purpurogenum EPEHS7 were found to
share the same clade (a) whereas P asperum EPHAL10 P nigricans EPSLR4 P
decumbens EPAIR6 and positive control exist together in the second clade (b)
20
21
22
32 In dual culture plate assay antifungal activity of endophytic Penicillium
Fungicidal potential of endophytic species of Penicillium isolates were
examined usually phytopathogens such as Rhizoctonia solani Macrophomina
phaseolina F oxysporum and Fusarium solani using dual culture plate assay The 5mm
diam agar disc of endophytic Penicillium was placed on a 90mm Petri dish poured
with (CDA) Czapekrsquos Dox Agar pH (72) On opposite side of this disc from root
rotting fungi grown in plate a 5mm disc of was cut placed and leave at 28oC and
inhibition zone measured averaged and expressed in mm
All endophytic Penicillium showed best result against common root rot fungi
Maximum inhibition zone (25mm) against Fsolani produced by Ppurpurogenum
then Pdecumbens and P nigricans inhibition zone produced against Rsolani
(Table 1) fig1-7
23
Table 1 Suppression of Macrophomina phaseolina Rhizoctonia solani Fusarium solani and F oxysporum in dual culture plate assay
by the endophytic Penicillium species isolated from different wild and cultivated plants
Fungus Penicillium spp Host name Plant
part MPhaseolina Rsolani Fsolani Foxysporum
Zone of inhibition(mm)
EPSMR1 P citrinum Solanum melongena L
(Solanaceae)
Root 4 4 20 20
EPSMS2 P lilacinum Solanum melongena L (Solanaceae) Stem 6 8 11 14
EPSML3 Ppurpurogenum Solanum melongena L (Solanaceae) leaf 6 5 25 17
EPSLR4 P nigricans Lycopersicon esculentum L
(Solanaceae)
root 5 25 16 21
EPAAR5 P rugulosum Achyranthus aspera L
(Amaranthaceae)
root 3 12 11 20
EPAIR6 P decumbens Azadirachta indica AJuss
(Meliaceae)
root 5 25 13 20
EPEHS7 P purpurogenum Euhorbia hirta L (Euphorbiaceae) stem 6 5 25 17
EPCTS8 P restrictum Chorchorus tridens L (Malvaceae) stem 2 2 5 5
EPASS9 Pduclauxi Atriplex stocksii
(Amaranthaceae)
stem 18 13 11 14
EPHAL10 Pasperum Helianthus annuus L (Asteraceae) leaf 2 2 5 5
EPAER11 P thomii Abelmoschus esculentus L
(Malvaceae)
root 5 8 5 6
EPMCL12 Plividum Momordica charantia L
(Cucurbitaceae)
leaf 18 13 11 14
EPSLR13 Pjavanicum Lycopersicon esculentum L
(Solanaceae)
root 5 24 17 22
EPAER14 Ppurpurogenum Abelmoschus esculentus L
(Malvaceae)
root 5 3 21 12
24
Fig1 Growth inhibition of Foxyspoum by the endophytic Penicillium in dual culture plate
assay
Fig2 Growth inhibition of Fsolani by the endophytic Penicillium in dual culture plate
assay
25
Fig3 Growth inhibition of Fsolani by the endophytic Penicillium in dual culture plate
assay
Fig4 Growth inhibition of F solani by the endophytic Penicillium
in dual culture plate assay
26
Fig5 Growth inhibition of Foxyspoum by the endophytic Penicillium in dual culture plate
assay
Fig6 Growth inhibition of Fsolani by the endophytic Penicillium in dual culture plate
assay
27
Fig7 Growth inhibition of Foxyspoum by the endophytic Penicillium in dual culture plate
assay
33 In vitro fungicidal potential of culture filtrates of endophytic Penicillium
Penicillium isolates were grown in Czapekrsquos Dox broth pH 72 at 25-30oC for 15
days and through filteration culture filtrate was collected in autoclaved flasks The filtrate of
culture was dropped by chloroform under sterilize conndition to kill fungal propagoles if
any To determine the antifungal activity Disc Diffusion Method was used in which cell free
culture filterates at 20microldisc 40microldisc 60microldisc and control were placed at equal distance
at diferent positions in the petri plates poured with Czapeks Dox Agar pH 72 Water
impregnated disc were used as negative control and carbendazim 20microgdisc were used as
positive control against four root rot fungi viz Rhizoctonia solani Macrophomina
phaseolina F oxysporum and Fusarium solani 5mm disc of each root rot pathogen
Fusarium solani Macrophomina phaseolina F oxysporum and Rhizoctonia solani was
inoculated in the centre of the petri plates were kept 28oC for 5 days Distance between
paper disc and fungal colonies was measured as inhibition zone which were averaged and
showed in mmThe experiment was performed twice and replicated four times
28
Culture filtrate of Penicillium initiated growth suppression of (root rotting) fungi viz R
solani M phaseolina F oxysporum and F solani in vitro M phaseolina was inhibited by
culture filtrates of Plilacinum Pnigricans and Pthomii at 60microldisc by producing
maximum zone of 20mm Plilacinum Pnigricans and Pthomii also showed zone of
inhibition of 15mm at 20microldisc and 17mm at 40microldisc R solani was inhibited by
producing zone of 14mm at 60microldisc from culture filtrates of Plilacinum Ppurpurogenum
(EPSML3) Ppurpurogenum (EPEHS7) Pasperum and Ppurpurogenum (EPAER14)
Pnigricans and Pthomii produced zone of inhibition of 17mm at 60microldisc against F
solani P decumbens P citrinum Ppurpurogenum (EPSML3) EPSLR4 Pregulosum
Ppurpurogenum (EPEHS7) Pduclauxi Pasperum Pthomii Pjavanicum and
Ppurpurogenum (EPAER14) produced zone of inhibition ranging from 12-14mm at
60microldisc(Table 2)
29
Table 2 In vitro growth inhibition of Macrophomina phaseolina Rhizoctonia solani Fusarium solani and Foxysporum by culture
filtrates of endophytic Penicillium species isolated from wild and cultivated plant species
Fungus No Penicillium spp MPhaseolina Rsolani Fsolani Foxysporum
Zone of inhibition(mm)
Control 0 0 0 0
+ve Control (Carbendazim 20microgdisc) 8 5 9 7
EPSMR1 P citrinum
20microldisc 8 8 8 10
40microldisc 8 10 10 10
60microldisc 16 12 10 12
EPSMS2 Plilacinum
20microldisc 15 10 10 5
40microldisc 17 10 12 5
60microldisc 20 14 12 8
EPSML3 Ppurpurogenum
20microldisc 12 8 10 8
40microldisc 14 8 12 8
60microldisc 14 14 14 12
EPSLR4 P nigricans
20microldisc 15 0 11 8
40microldisc 17 4 15 9
30
Fungus No Penicillium spp MPhaseolina Rsolani Fsolani Foxysporum
Zone of inhibition(mm)
60microldisc 20 8 17 12
EPAAR5 P rugulosum
20microldisc 11 6 8 9
40microldisc 16 10 8 12
60microldisc 16 12 12 12
EPAIR6 P decumbens
20microldisc 12 5 14 12
40microldisc 14 8 14 14
60microldisc 14 8 14 14
EPEHS7 Ppurpurogenum
20microldisc 12 8 10 8
40microldisc 14 8 12 8
60microldisc 14 14 14 12
EPCTS8 Prestrictum
20microldisc 8 0 8 8
40microldisc 10 5 8 9
60microldisc 11 7 12 11
EPASS9 P duclauxi
20microldisc 12 0 12 10
31
Fungus No Penicillium spp MPhaseolina Rsolani Fsolani Foxysporum
Zone of inhibition(mm)
40microldisc 16 6 14 10
60microldisc 16 8 14 12
EPHAL10 Pasperum
20microldisc 10 8 12 10
40microldisc 12 10 16 12
60microldisc 12 14 16 12
EPAER11 Pthomii
20microldisc 15 0 11 8
40microldisc 17 4 15 9
60microldisc 20 8 17 12
EPMCL12 P lividum
20microldisc 12 8 10 9
40microldisc 12 8 12 11
60microldisc 14 12 13 11
EPSLR13 P javanicum
20microldisc 10 0 8 8
40microldisc 12 5 9 8
60microldisc 14 8 10 12
EPAER14 P purpurogenum
32
Fungus No Penicillium spp MPhaseolina Rsolani Fsolani Foxysporum
Zone of inhibition(mm)
20microldisc 12 8 10 8
40microldisc 14 8 12 8
60microldisc 14 14 14 12
33
34 In vitro antibacterial potentail of culture filtrates of endophytic Penicillium
Bacterial lawn of test bacteria was prepared in 90mm Petri dished conating Nutrient
agar and loaded disc of culture filterates at 20microldisc 40microldisc 60microldisc and control were
placed at equal distance in clockwise pattern in according to concentration Water
impregnated disc were used as negative control and Streptomycin 10microgdisc applied as +ve
control for gram +ve bacteria viz Salmonella typhimurium and Escherichia coli and
Penicillin applied as +ve control for gram positive bacteria viz Bacillus subtilus and
Staphlococcus aureus Zones of inhibition produced around the discs after 2-3 days growth
were recorded averaged and showed in millimeter (mm) The performance was conducted
twice and replicated four times
Fourteen isolates of Penicillium species were tested in vitro against four bacterial
species Bacillus subtilus and Staphlococcus aureus (Gram positive) and Salmonella
typhimurium and Escherichia coli (Gram negative)Cell free filtrate of culture of the
Penicillium resulted growth suppression of four bacteria Bsubtilus Saureus S
typhimurium and E coli in vitro Penicillium rugulosum was found to inhibit by Bsubtilus
by producing maximum zone of 9mm at 20microldisc 13mm at 40microldisc and 21mm at
60microldisc P rugulosum was found to inhibit by Saureus by producing maximum zone of
24mm at 20microldisc 30mm at 40microldisc and 30mm at 60microldisc P rugulosum was found to
inhibit S typhimurium by producing maximum zone of 12mm at 20microldisc 20mm at
40microldisc and 20mm at 60microldisc P rugulosum was found to inhibit E coli by producing
maximum zone of 18mm at 20microldisc 22mm at 40microldisc and 22mm at 60microldisc Bsubtilus
was inhibited by P lividum and Plilacinum by producing 16mm and 10mm zone at 20 40
and 60microldisc respectively Saureus was inhibited by P lividum and Plilacinum by
producing zone of inhibition of 18mm at 40 and 60microldisc and 20mm at 60microldisc
respectively E coli was found to inhibit by P decumbens by producing zone of 18mm at all
concentration (Table 3 and Fig 8)
34
Table3 In vitro growth suppression of Bsubtilus Saureus S typhimurium and E coli by culture filtrates of endophytic Penicillium
species
Fungus No Penicillium sp Bsubtilus Saureus S typhimurium E coli
Zone of inhibition mm
Control 0 0 0 0
Streptomycin 20 microgdisc 15 15 15 15
EPSMR1 P citrinum
20microldisc 6 4 4 4
40 microldisc 6 8 8 6
60 microldisc 6 8 8 6
EPSMS2 Plilacinum
20microldisc 10 10 14 8
40 microldisc 10 10 16 8
60 microldisc 10 12 20 8
EPSML3 Ppurpurogenum
20microldisc 4 6 0 0
40 microldisc 6 6 0 4
60 microldisc 8 8 10 4
EPSLR4 P nigricans
20microldisc 0 0 0 0
35
Fungus No Penicillium sp Bsubtilus Saureus S typhimurium E coli
Zone of inhibition mm
40 microldisc 4 4 2 4
60 microldisc 4 8 4 4
EPAAR5 P rugulosum
20microldisc 9 24 12 18
40 microldisc 13 30 20 22
60 microldisc 21 30 20 22
EPAIR6 P decumbens
20microldisc 6 4 10 18
40 microldisc 6 6 12 18
60 microldisc 6 8 14 18
EPEHS7 Ppurpurogenum
20microldisc 0 0 0 0
40 microldisc 8 6 0 0
60 microldisc 10 8 4 4
EPCTS8 P restrictum
20microldisc 2 4 4 4
40 microldisc 8 6 4 8
60 microldisc 8 8 6 12
EPASS9 P duclauxi
36
Fungus No Penicillium sp Bsubtilus Saureus S typhimurium E coli
Zone of inhibition mm
20microldisc 0 4 0 12
40 microldisc 0 4 0 12
60 microldisc 0 6 0 16
EPHAL10 Pasperum
20microldisc 0 8 4 2
40 microldisc 4 10 4 2
60 microldisc 4 10 6 4
EPAER11 Pthomii
20microldisc 0 0 0 4
40 microldisc 0 0 0 8
60 microldisc 0 0 0 8
EPMCL12 P lividum
20microldisc 16 16 8 4
40 microldisc 16 18 12 6
60 microldisc 16 18 12 6
EPSLR13 P javanicum
20microldisc 0 0 0 14
40 microldisc 0 0 0 16
60 microldisc 0 8 0 16
37
Fungus No Penicillium sp Bsubtilus Saureus S typhimurium E coli
Zone of inhibition mm
EPAER14 P purpurogenum
20microldisc 0 0 0 0
40 microldisc 8 6 0 0
60 microldisc 10 8 4 4
38
Fig 8 Growth inhibition of Saureus by the culture filterate of endophytic Penicillium in
disc diffusion method
A=Control B=+ve control C=20microldisc D=40microldisc E=60microldisc
35 In vitro nematicidal potentail of culture filtrates of endophytic Penicillium
spp
Penicillium isolates were grown in CDB (Czapekrsquos Dox broth) pH (72) at (25-
30oC) for 15 days and filtered and culture filtrate was collected in sterile flasks for use
Suspension of 10 juveniles per ml and culture filtrate (1 ml) of Penicillium isolates
shifted in cavity blocks and placed at 26 plusmn5oC These were replicated three times and
mortality rate of juvenile was noticed subsequently 24 and 48 hours
Culture filtrates of endophytic Penicillium exhibited nematicidal effects juveniles
mortality of Meloidogyne javanica occurred at different percentages Out of 14 isolates
tested Ppurpurogenum (EPSML3) initiated 100 killing of juveniles of M javanica in
24 h While 10 isolates initiated 50 or more juveniles mortality in 48 hours (Table 4)
A
B
C
E D
39
Table4 Effect of cell free culture filtrate of endophytic Penicillium spp on juveniles mortality of Meloidogyne javanica after 24 and
48 hours
Treatments Code Juveniles Mortality
24Hours 48Hours
Control(CDA Broth) hellip 0 0
P decumbens EPAIR6 50 76
Pnigricans EPSLR4 10 33
Pregulosum EPAAR5 46 63
P citrinum EPSMR1 36 73
Plilacinum EPSMS2 36 83
Ppurpurogenum EPSML3 100 100
Pduclauxi EPASS9 10 76
Plividum EPMCL12 16 53
Ppurpurogenum EPEHS7 43 76
Prestrictum EPCTS8 76 83
Pthomii EPAER11 43 43
Ppurpurogenum EPAER14 43 76
Pjavanicum EPSLR13 10 33
Pasperum EPHAL10 30 70
40
41
36 In-vitro antimicrobial potentail of solvent fractions of culture filtrtaes of
endophytic Penicillium
In our present study filtrates of culture of each fungus extracted thrice with n-
hexane and then chloroform by shaking vigorously in a separating funnel The extraction
volume of each solvent is approximately half to that of filtrate The n-hexane and
chloroform fractions were collected pooled and finally crude extracts on a rotary vacum
evaporator (Eyela-NE) separately and weighed The dilutions of 15mgml of n-hexane and
chloroform were dissolved in their respective solvents and weighed down on senitized
discs at 20 40 and 60microldisc and dried These are used for antimicrobial test by Disc
Diffusion Method as described for cell free culture filtarates section (Hadacek and Greger
2000) Solvent of respective fractions were served as control streptomycin at 20microgdisc
was used as positive control in determining antibacterial activity against Salmonella
typhimurium Escherichia coli Bacillus subtilus Staphlococcus aureus and Pseudomonas
auroginosa Whereas in antifungal activity carbendazim at 20microgdisc used as positive
control against root rotting fungi Mphaseolina Foxysporum Fsolani and Rsolani
There were four replicates of each treatment
361 In-vitro fungicidal potentail of n-hexane fractions
P rugulosum and Ppurpurogenum (EPEHS7) produced inhibition zones of 20mm
against Mphaseolina whereas P decumbens produced maximum inhibition zones of
25mm against Foxysporum and Fsolani was also inhibited P rugulosum
Ppurpurogenum (EPEHS7) and P nigricans Highest zone of inhibition of 25mm at
60microldisc were produced by P rugulosum against Rsolani (Table 5)
42
Table5 In vitro growth inhibition of M Phaseolina R Solani F solani and F oxysporum by n-Hexane fraction of endophytic
Penicillium species
Fungus No Penicillium sp M phaseolina R solani F solani F oxysporum
Zone of inhibition mm
Control 0 0 0 0
Carbendazim 20 microgdisc 30 30 30 30
EPSLR4 P nigricans
20microldisc 0 18 8 12
40 microldisc 0 18 12 15
60 microldisc 0 18 12 15
EPAAR5 P rugulosum
20microldisc 20 22 20 15
40 microldisc 20 25 20 15
60 microldisc 20 25 20 15
EPAIR6 P decumbens
20microldisc 0 0 0 25
40 microldisc 0 0 0 25
60 microldisc 0 0 0 25
EPEHS7 Ppurpurogenum
20microldisc 20 20 20 0
43
40 microldisc 20 20 20 0
60 microldisc 20 `20 20 0
EPHAL10 Pasperum
20microldisc 0 0 0 0
40 microldisc 0 0 0 0
60 microldisc 0 0 0 0
44
362 In-vitro antibacterial potentail of n-hexane fractions of culture filtrates of
endophytic Penicillium
Pasperum and P rugulosum inhibited Bacillus subtilus by producing inhibition
zones ranging from 12-14mm respectively P rugulosum suppressed the growth of
Staphlococcus aureus by producing inhibition zone 24mm at 60microldisc while P
rugulosum also formed inhibition zones measuring 18mm against Escherichia coli whereas
the inhibition zones of 20mm against Salmonella typhimurium were produced by P
rugulosum Similarly P rugulosum inhibited Pseudomonas auroginosa with zones of
25mm (Table 6 and Fig9-12)
363 In-vitro fungicidal potentail of chloroform fractions of culture filtrates of
endophytic Penicillium
P rugulosum produced inhibition zones of 20mm 25mm 20mm and 15mm at
60microldisc against Fsolani Rsolani Mphaseolina Rsolani and Foxysporum (Table 7)
45
Table6 In vitro growth inhibition of Bsubtilus Saureus S typhimurium E coli and Pauroginosa by n-hexane fraction of
endophytic Penicillium species
Penicillium sp Bsubtilus Saureus S typhimurium E coli Pauroginosa
Zone of inhibition mm
Control 0 0 0 0 0
Streptomycin 20 microgdisc 15 15 15 15 15
EPSLR4 P nigricans
20microldisc 6 10 8 8 8
40 microldisc 9 10 8 8 9
60 microldisc 11 11 9 12 10
EPAAR5 P rugulosum
20microldisc 0 18 18 11 18
40 microldisc 0 21 18 11 22
60 microldisc 0 24 20 18 22
EPAIR6 P decumbens
20microldisc 0 8 16 0 11
40 microldisc 0 8 16 0 11
60 microldisc 0 12 16 0 11
EPEHS7 Ppurpurogenum
20microldisc 5 10 7 8 9
40 microldisc 8 10 7 8 11
46
60 microldisc 8 12 7 8 11
EPHAL10 Pasperum
20microldisc 10 8 6 10 10
40 microldisc 11 9 6 10 10
60 microldisc 12 11 9 10 12
47
Fig9 Growth inhibition of Pauroginosa by the n-hexane fraction endophytic Penicillium in
disc diffusion method
Fig10 Growth inhibition of Saureus by the n-Hexane fraction of endophytic Penicillium in
disc diffusion method
C
+ve C
20microl
60microl
40microl
+veC
20microl
40microl
60microl
C
48
Fig11 Growth inhibition of S typhimurium by the n-Hexane fraction of endophytic
Penicillium in disc diffusion method
Fig12 Growth inhibition of E coli by the n-Hexane fraction of endophytic Penicillium in
disc diffusion method
C
60microl
40microl
20microl +veC
vCCe
veve
+veC
vCCe
veve
C
60microl
20microl
40microl
49
Table7 In vitro growth suppression of M Phaseolina R Solani F solani and F oxysporum by chloroform fraction of endophytic
Penicillium species
Fungus No Penicillium sp M Phaseolina R Solani F solani F oxysporum
Zone of inhibition mm
Control 0 0 0 0
Carbendazim 20 microgdisc 30 30 30 30
EPSLR4 P nigricans
20microldisc 0 0 0 0
40 microldisc 0 0 0 0
60 microldisc 0 0 0 0
EPAAR5 P rugulosum
20microldisc 15 0 20 20
40 microldisc 15 0 20 20
60 microldisc 15 0 20 20
EPAIR6 P decumbens
20microldisc 0 0 0 0
40 microldisc 0 0 0 0
60 microldisc 0 0 0 0
EPEHS7 Ppurpurogenum
20microldisc 25 0 20 15
40 microldisc 25 0 20 15
50
60 microldisc 25 0 20 15
EPHAL10 Pasperum
20microldisc 0 0 0 0
40 microldisc 0 0 0 0
60 microldisc 0 0 0 0
364 In-vitro antibacterial potentail of chloroform fractions of culture filtrates of endophytic Penicillium
P rugulosum inhibited Bacillus subtilus Staphlococcus aureus Salmonella typhimurium and Pseudomonas auroginosa by
producing inhibition zones ranging from 21-18mm P rugulosum while P rugulosum also produced inhibition zones measuring
11mm against Escherichia coli whereas the inhibition zones of 14mm against Escherichia coli were produced by P nigricans
(Table 8 and Fig12)
51
Table8 In vitro growth inhibition of Bsubtilus Saureus S typhimurium E coli and Pauroginosa by chloroform fraction of
endophytic Penicillium species
Fungus No Penicillium sp Bsubtilus Saureus S typhimurium E coli Pauroginosa
Zone of inhibition mm
Control 0 0 0 0 0
Streptomycin 20 microgdisc 15 15 15 15 15
EPSLR4 P nigricans
20microldisc 16 16 14 14 16
40 microldisc 16 16 14 14 18
60 microldisc 18 16 16 14 20
EPAAR5 P rugulosum
20microldisc 18 18 20 11 20
40 microldisc 18 18 20 11 21
60 microldisc 18 18 20 11 21
EPAIR6 P decumbens
20microldisc 0 0 0 0 0
40 microldisc 0 0 0 0 0
60 microldisc 0 0 0 0 0
EPEHS7 Ppurpurogenum
20microldisc 0 0 14 0 0
52
40 microldisc 0 0 14 0 0
60 microldisc 0 0 14 0 0
EPHAL10 Pasperum
20microldisc 0 7 11 0 6
40 microldisc 0 7 11 0 6
60 microldisc 0 10 11 0 9
53
4
Fig13 Growth inhibition of S typhimurium by the chloroform fraction of endophytic
Penicillium in disc diffusion method
C
+ve C
20microl 40microl
60microl
54
3656 Extraction and characterization of compounds from mycelium of endophytic
Penicillium
Czapekrsquos Dox broth of Penicillium regulosum was prepared in (250 ml) conical
flask containing (100 ml) A 5mm disc of test Penicillium was cuttedinoculated and
incubated (25-30degC) and left for 15 days When fungi secreted secondry metabolites then
cell free culture filtrates were obtained by filtering The mycelium was used for the
extraction of compounds
10 gm mycelium was thoroughly washed with n-hexane solvent to remove excess
water and extracted with 200 mL n-hexane using a Soxhlet extractor for 8 h The extracts
were filtered and dried at 40degC by using a rotary vacuum evaporator The oily mass
extracted from mycelium of Penicillium regulosum was subjected to GC-MS analysis
GCMS (Gas chromatographymass spectrometer) analyzed on High Resolution Mass
spectrometer Jeol HX-110 (Japan) equipped with data system DA-5500 in combination with
gas chromatograph Hewlett packard (5890)
Total 23 different chemical compounds were obtained from mycelium fraction Volatile
compound such as normal hydrocarbon (akane and alkene) fatty acid alcohol ether
terpenoids and benzene derivatives including cyclohexane and other compounds that were
found among the volatile metabolites were identified by mass spectral data base (Table 9)
55
(1) Nanodecane
(2) Nonadecane
(3) Heptadecane
(4) Heptacosane
(5) Heptacosane
(6) Eicosane
(7) Octadecane
(replib) Nonadecane
50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 2400
50
10057
71
85
99113 127 141 155 169 183 197
(replib) Nonadecane
60 80 100 120 140 160 180 200 220 240 260 2800
50
10057
71
85
99113 127 141 155 169 183 197 268
(replib) Heptadecane
50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 240 2500
50
10057
71
85
99113 127 141 155 169 182 196 210 240
(replib) Heptacosane
60 80 100 120 140 160 180 200 220 240 260 280 300 320 3400
50
10057
71
85
99113 127 141 155 169 183 197 211 225 239 253 267 281 294 308 322 336
(replib) Heptacosane
60 80 100 120 140 160 180 200 220 240 260 280 300 3200
50
10057
71
85
99113 127 141 155 169 183 197 211 225 239 253 267 281 294 308 322
(mainlib) Eicosane
60 80 100 120 140 160 180 200 220 240 260 2800
50
10057
71
85
99113
127 141 155 169 183 197 211 225 238 252 282
(replib) Octadecane
60 80 100 120 140 160 180 200 220 240 2600
50
10057
71
85
99113 127 141 155 169 183 197 210 225 254
56
(8) Tetradecanoic acid
(9) Dodecane 2610-trimethyl-
(10) i-Propyl tetradecanoate
(11) i-Propyl 12-methyltetradecanoate
(12) Ethyl 13-methyl-tetradecanoate
(13) Widdrol hydroxyether
(mainlib) Tetradecanoic acid
50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 2400
50
100
55
60
69
73
8397 115
129
138
143157
171
185
199209
228
OH
O
(replib) Dodecane 2610-trimethyl-
60 80 100 120 140 160 180 200 220 240 2600
50
10057
71
85
97
113127
141 155 168183 197 212
(mainlib) i-Propyl tetradecanoate
50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 240 2500
50
100
60
71
8397
102
111
129
143157
171
185
199
211
228
O
O
(mainlib) i-Propyl 12-methyltetradecanoate
60 80 100 120 140 160 180 200 220 240 2600
50
10057
60
71
83 97
102
111 129
143153 165
177
185
195 213225
242O
O
(mainlib) Ethyl 13-methyl-tetradecanoate
60 80 100 120 140 160 180 200 220 240 260 2800
50
100
55
61
70
88
101
115129
143
157
171 185 199 213
227
241 255
270
O
O
(mainlib) Widdrol hydroxyether
60 80 100 120 140 160 180 200 220 240 260 2800
50
100
55
69
81
95 109
123
135
140
150
167
177 205223
238
O
OH
57
(14) n-Hexadecanoic acid
(15) Hexadecanoic acid ethyl ester
(16) Oleic Acid
(17) 912-Octadecadienoic acid ethyl ester
(replib) n-Hexadecanoic acid
60 80 100 120 140 160 180 200 220 240 2600
50
10060 73
8397
115
129
143157 171 185
199
213
227 239
256
OH
O
(mainlib) Hexadecanoic acid ethyl ester
60 80 100 120 140 160 180 200 220 240 260 2800
50
100
55
61 73
88
101
115129 143
157
171 185 199 213 225239
255 267284
O
O
(mainlib) 912-Octadecadienoic acid ethyl ester
60 80 100 120 140 160 180 200 220 240 260 280 300 3200
50
100
55
6781
95
109
123135 150 164 178
192 205 220 234
263
279
308
O
O
(replib) Oleic Acid
60 80 100 120 140 160 180 200 220 240 260 2800
50
10055
69
83
97
111
125137 151 165 180 193 207 222 236
264
282
HO
O
58
(18) Ethyl Oleate
(19) cis-10-Nonadecenoic acid
(20) 2-Propenoic acid 3-(4-methoxyphenyl)- 2-ethylhexyl ester
(21) 12-Benzenedicarboxylic acid diisooctyl ester
(replib) Ethyl Oleate
60 80 100 120 140 160 180 200 220 240 260 280 300 3200
50
10055
6983
97
111123
137 155180
194 207
222
236
264
281
310
O
O
(mainlib) cis-10-Nonadecenoic acid
60 80 100 120 140 160 180 200 220 240 260 280 300 3200
50
10055
6983
97
111
125137 151 165 179 194 207 221 236 249 261
278296
HO
O
(mainlib) 2-Propenoic acid 3-(4-methoxyphenyl)- 2-ethylhexyl ester
60 80 100 120 140 160 180 200 220 240 260 280 3000
50
100
55 77 90 103118
133
147
161
178
191 262290
O
O
O
(replib) 12-Benzenedicarboxylic acid diisooctyl ester
60 90 120 150 180 210 240 270 300 330 360 3900
50
100
5770
83 104132
149
167
279
O
O
O
O
(mainlib) Cyclopenta[ad]cycloocten-5-one 1233a456899a1010a-dodecahydro-7-(1-methylethyl)-19a-dimethyl-4-methylene
60 90 120 150 180 210 240 270 300 330 360 3900
50
100
55
69
81
95
107
121
147
173189
215
231
243
258
286
O
59
(22) Cyclopenta[ad]cycloocten-5-one 1233a456899a1010a-dodecahydro-7-(1-
methylethyl)-19a-dimethyl-4-methylene
(23) 2-Aminofluorescein
(mainlib) 2-Aminofluorescein
50 100 150 200 250 300 350 400 450 500 550 600 6500
50
100
63 91
151
189
287
303
318 347
O
O
OHO OH
H2N
60
Table9 GCMS of mycelial fraction of Penicillium regulosum
SNo Scan
No
Systemic Name
(Common Name)
Mol
Formula
Mol
Wt
Ret
Time
Conc
1 2606 Nanodecane C19H40 268 24168 0036
2 2913 Heptadecane C17H36 240 2641 0035
3 2998 Tetradecanoic acid C14H28O2 228 27038 0056
4 3230 Octadecane C18H38 254 28737 0049
5 3264 Dodecane 2610-trimethyl- C15H32 212 28986 0077
6 3331 i-Propyl tetradecanoate C17H34O2 270 29476 0058
7 3381 i-Propyl 12-methyltetradecanoate C18H36O2 284 29842 0097
8 3496 Ethyl 13-methyl-tetradecanoate C17H34O2 270 30684 0054
9 3653 Nonadecane C19H40 268 31834 0064
10 3975 Widdrol hydroxyether C15H26O2 238 34192 0094
11 4096 n-Hexadecanoic acid C16H32O2 256 35078 0079
12 4223 Hexadecanoic acid ethyl ester C18H36O2 284 36007 0094
13 4252 Eicosane C20H42 282 36220 0093
14 5475 Oleic Acid C18H34O2 282 45175 0105
15 5516 912-Octadecadienoic acid ethyl ester C20H36O2 308 45475 0084
16 5546 Ethyl Oleate C20H38O2 310 45694 0065
61
17 5970 cis-10-Nonadecenoic acid C19H36O2 296 48799 0053
18 6023 Heptacosane C27H56 380 49187 0051
19 6072 2-Propenoic acid 3-(4-methoxyphenyl)- 2-ethylhexyl ester C18H26O3 290 49546 0058
20 6281 Heptacosane C27H56 380 51076 0044
21 6591 12-Benzenedicarboxylic acid diisooctyl ester C24H38O4 390 53346 0048
22 6668 Cyclopenta[ad]cycloocten-5-one 1233a456899a1010a-
dodecahydro-7-(1-methylethyl)-19a-dimethyl-4-methylene
C20H30O 286 53910 004
23 8458 2-Aminofluorescein C20H13NO5 347 67016 0135
62
37 Screen house experiments
371 Effect of endophytic Penicillium in soil amended with neem cake in inhibition
of the root diseases and growth of sunflower (2016)
Fourteen isolates of endophytic Penicillium viz P duclauxi Plilacinum
Ppurpurogenum (EPSML3) Pnigricans Pregulosum P decumbens Ppurpurogenum
(EPEHS7) P restrictum P citrinum Pasperum Pthomii Ppurpurogenum (EPAER14)
Plividum Pjavanicum and caused growth suppression of four root rotting fungi in vitro A
25ml five-day-old cell suspension of fungal isolates were drench in 1kg soil obtaining from
experimental field of the Department of Botany each clay pots Carbendazim considered as
+ve control against pathogenic fungi Application of endophytic Penicillium and 1 Neem
cake were also applied in another pot set In each pot (6 seeds per pot) seed of sunflower
(Helianthus annuus) were sown and kept four seedlings after germination Treatments were
replicated four times watered daily
After six weeks experiment were harvested to evaluate the potentail of endophytic
Penicillium on the suppression of pathogens and growth of plant and data on height of
plant weight of fresh shoot length of root weight of root were measured and noted The
infection of root rotting fungi roots cleaned with tap water 5 root pieces of 1cm were
sterilized with 1 bleach and placed on plates poured with (Potato Dextrose Agar) PDA
mixed with penicillin (100000 units litre) and streptomycin (02 glitre) After incubation
of 5 day occurrence of root rots were recorded
Plant grown in soil amended with neem cake generally showed less infection of
root rotting fungi related to plant grown in natural soil (un-amended soil) Plant inoculated
with endophytic Penicillium species most of them showed less infection of root rotting
fungi related to control plant Plants grown in pots received Endophytic Pregulosum in
natural soil and also in amended soil with neem cake showed no infection of F oxysporum
Whereas P Pnigricans Pregulosum P citrinum Ppurpurogenum (EPSML3)
Pduclauxi Pthomii Pjavanicum and P decumbens in amended soil with neem cake also
showed no infection of F oxysporum Combine effect of isolates P decumbens
63
Pnigricans P citrinum P lividum Plilacinum Ppurpurogenum (EPSML3) Pduclauxi
Ppurpurogenum (EPEHS7) P restrictum Pthomii Ppurpurogenum (EPAER14)
Pjavanicum and neem cake showed no infection on Fsolani P decumbens Pnigricans
Pregulosum and Pjavanicum also showed no infection of Fsolani when used alone
Plividum alone showed no infection of Mphaseolina on sunflower roots Combine effect
of P decumbens Pnigricans Pregulosum Pthomii and Pjavanicum with neem cake
showed significant reduction on infection of Mphaseolina Application of P decumbens
Pnigricans P citrinum Plividum Ppurpurogenum (EPEHS7) Ppurpurogenum
(EPAER14) and Pjavanicum showed no infection of Rsolani P decumbens
Pregulosum P citrinum Plilacinum Ppurpurogenum (EPSML3) Pduclauxi
Ppurpurogenum (EPEHS7) P restrictum Ppurpurogenum (EPAER14) Pjavanicum
with neem cake showed no infection of Rsolani While Pnigricans Plividum Pthomii
and Pasperum Significantly suppressed the Rsolani infection when applied in neem cake
amended soil (Table 10)
Greater plant height was produced by Ppurpurogenum (EPEHS7) P restrictum
Ppurpurogenum (EPAER14) and Pasperum when applied in neem cake amended soil
However effect of P restrictum and Pasperum with neem cake were significant on fresh
shoot weight (Table 10) Pnigricans Pthomii and Pjavanicum alone showed significant
result of root length and root weight whereas P decumbens and Pduclauxi with neem
cake showed greater root length (Table 11 and Fig13-14)
64
Table10 Effect of endophytic Penicillium and neem cake on the infection of Fusarium solani Foxysporum Rhizoctonia solani and
Macrophomina phaseolina on sunflower roots in green house experiment
Infection
Treatments Code Foxysporum
Fsolani
M phaseolina Rsolani
NS AS NS AS NS AS NS AS
Control hellip 50 187 75 25 75 50 187 125
Carbendazim hellip 25 0 312 62 125 25 125 0
P decumbens EPAIR6 187 0 0 0 25 187 0 0
Pnigricans EPSLR4 62 0 0 0 375 187 0 62
Pregulosum EPAAR5 0 0 0 187 62 187 62 0
P citrinum EPSMR1 375 0 25 0 125 25 0 0
Plilacinum EPSMS2 25 62 187 0 62 50 62 0
Ppurpurogenum EPSML3 50 0 125 0 62 25 62 0
Pduclauxi EPASS9 50 0 62 0 312 312 62 0
Plividum EPMCL12 50 62 50 0 0 50 0 62
Ppurpurogenum EPEHS7 375 187 375 0 50 312 0 0
Prestrictum EPCTS8 50 62 62 0 125 437 62 0
Pthomii EPAER11 62 0 62 0 375 187 62 62
Ppurpurogenum EPAER14 375 187 375 0 50 312 0 0
Pjavanicum EPSLR13 62 0 0 0 375 187 0 0
Pasperum EPHAL10 125 0 25 187 375 312 62 62
LSD005 Treatment=4651 Pathogen=2322 Soil Type=1643
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
3Mean values in the NS and AS column showing difference greater than LSD value are significantly different at plt005
NS= Natural Soil AS=Amended Soil
65
Table11 Effect of endophytic Penicillium and neem cake on the growth of sunflower in green house experiment
Treatments Code Shoot Length
Shoot Weight
Root Length Root weight
(cm)
(g)
(cm)
(g)
NS AS NS AS NS AS NS AS
Control 22775 3993 253 535 643 1162 0645 0675
Carbendazim 2585 418 2216 451 742 1287 0715 0622
P decumbens EPAIR6 2541 4487 243 512 1103 1406 077 0786
Pnigricans EPSLR4 2824 44 277 527 1221 1218 1005 0645
Pregulosum EPAAR5 2527 4406 25 475 862 1287 0781 0629
P citrinum EPSMR1 2599 4681 218 51 94 862 0726 0807
Plilacinum EPSMS2 22685 4587 205 539 631 558 0663 0578
Ppurpurogenum EPSML3 25211 4087 215 471 932 681 0841 0648
Pduclauxi EPASS9 2541 4487 243 512 1103 1406 077 0786
Plividum EPMCL12 22685 4587 205 539 631 558 0663 0578
Ppurpurogenum EPEHS7 234 4931 153 573 887 725 0583 0748
Prestrictum EPCTS8 26186 4918 214 678 918 757 069 0866
Pthomii EPAER11 2824 44 277 527 1221 1218 1005 0645
Ppurpurogenum EPAER14 234 4931 153 573 887 725 0583 0748
Pjavanicum EPSLR13 2824 44 277 527 1221 1218 1005 0645
Pasperum EPHAL10 26186 4918 214 678 918 757 069 0866
LSD005 5141 7881 07911 1821 2551 2821 01951 031
1 Difference greater than LSD values among means in column are significant at plt005
NS= Natural Soil AS=Amended Soil
66
372 Effect of endophytic Penicillium with neem cake in inhibition of the root
diseases and growth of Sunflower (2017)
Fourteen isolates of endophytic Penicillium viz P citrinum Plilacinum
Ppurpurogenum (EPSML3) Pnigricans Pregulosum P decumbens Ppurpurogenum
(EPEHS7) P restrictum Pduclauxi Pasperum Pthomii Plividum Pjavanicum and
Ppurpurogenum (EPAER14) caused growth suppression of four root rotting fungi in vitro
A 25ml five-day-old cell suspension of fungal isolates were drench in 1kg soil obtaining
from experimental field of the Department of Botany each clay pots Carbendazim
considered as positive control against root rotting fungi Application of endophytic
Penicillium and 1 Neem cake were also applied in another pot set In each pot (6 seeds per
pot) seed of sunflower (Helianthus annuus) were sown and kept four seedlings after
germination Treatments were replicated four times watered daily
After six weeks experiment were harvested to evaluate the potentail of endophytic
Penicillium on the suppression of pathogens and growth of plant and data on plant height
fresh shoot weight root length root weight were measured and noted The infection of
root rotting fungi roots were washed under tap water 5 root pieces of 1cm were sterilized
with 1 bleach and placed on plates poured with Potato Dextrose Agar mixed with
penicillin (100000 units litre) and streptomycin (02 glitre) After incubation of 5 day
occurrence of root rots were recorded
67
68
Fig14 Growth promotion by the endophytic Penicillium in sunflower
Control +veControl EP EP EP
69
Fig14 Growth promotion by the endophytic Penicillium in neem cake amended soil in
sunflower
Control +ve Control EP
+veControl EP
EP
EP EP EP EP
EP
Control
70
Plant grown in soil amended with neem cake generally showed less infection of
root rotting fungi as compared to plant grown in natural soil (un-amended soil) Plant
inoculated with endophytic Penicillium species most of them showed less infection of
root rotting fungi as compared to untreated control Plants grown in pots received
Endophytic Penicillium isolates caused significant reduction except Ppurpurogenum
(EPSML3) and Plividum which caused no reduction as compared to untreated control
on F oxysporum infection Whereas pots received endophytic P citrinum
Ppurpurogenum (EPSML3) Pnigricans Pregulosum P decumbens Pduclauxi
Pthomii Pjavanicum with neem cake showed complete suppression of F oxysporum
Combine effect of isolates Pnigricans P citrinum Plilacinum Plividum P
restrictum Pthomii Pjavanicum and neem cake showed no infection of Fsolani P
decumbens Pnigricans and Pjavanicum also showed complete suppression of
infection of Fsolani while Plividum showed no difference from control when used
alone Plividum alone showed no infection of Mphaseolina on sunflower roots
Combine effect of all treatments with neem cake showed significant reduction on
infection of Mphaseolina Application of P decumbens P citrinum Plividum
Ppurpurogenum (EPEHS7) and Pregulosum showed no infection of Rsolani P
decumbens Pnigricans P citrinum Ppurpurogenum (EPSML3) Pduclauxi
Ppurpurogenum (EPEHS7) P restrictum Ppurpurogenum (EPAER14) and
Pjavanicum with neem cake showed complete suppression of Rsolani (Table 12)
Plant grown in soil amended with neem cake generally showed greater height as
compared to plant grown in natural soil (un-amended soil) Plant inoculated with
endophytic Penicillium species most of them showed larger shoot length as compared to
untreated control Greater plant height was produced by Plilacinum when applied in
neem cake amended soil (Table 13 and Fig 15-17)
71
Table12 Effect of endophytic Penicillium and neem cake on the infection of Fusarium solani Foxysporum Rhizoctonia solani and
Macrophomina phaseolina on sunflower roots in green house experiment
Infection
Treatments Code Foxysporum
Fsolani
M phaseolina Rsolani
NS AS NS AS NS AS NS AS
Control 50 187 50 25 75 75 187 125
Carbendazim 125 62 312 62 125 25 62 62
P decumbens EPAIR6 125 0 0 62 25 187 0 0
Pnigricans EPSLR4 62 0 0 0 312 187 62 0
Pregulosum EPAAR5 125 0 25 62 125 125 0 62
P citrinum EPSMR1 375 0 25 0 125 25 0 0
Plilacinum EPSMS2 25 62 187 0 62 50 62 62
Ppurpurogenum EPSML3 50 0 125 62 62 25 62 0
Pduclauxi EPASS9 25 0 62 62 312 187 62 0
Plividum EPMCL12 50 62 50 0 0 50 0 62
Ppurpurogenum EPEHS7 375 187 312 125 50 31 0 0
Prestrictum EPCTS8 125 62 62 0 125 437 62 0
Pthomii EPAER11 62 0 62 0 375 187 62 62
Ppurpurogenum EPAER14 375 187 312 125 50 312 62 0
Pjavanicum EPSLR13 62 0 0 0 312 187 62 0
Pasperum EPHAL10 125 125 25 187 312 312 62 62
LSD005 Treatment=4451 Pathogen=2222 Soil Type=1573
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
3Mean values in the NS and AS column showing difference greater than LSD value are significantly different at plt005
NS= Natural Soil AS=Amended Soil
72
Table13 Effect of endophytic Penicillium and neem cake on the growth of sunflower in green house experiment
Treatments Code
Shoot Length
(cm)
Shoot Weight
(g)
Root Length Root weight
(cm)
(g)
NS AS NS AS NS AS NS AS
Control 3256 3893 378 642 57 1034 085 131
Carbendazim 3781 4293 452 607 84 1025 124 128
P decumbens EPAIR6 4412 6275 386 1013 7 768 086 213
Pnigricans EPSLR4 4838 6208 489 953 863 656 096 141
Pregulosum EPAAR5 4568 6412 472 994 658 666 0909 128
P citrinum EPSMR1 385 6443 373 1425 75 787 088 226
Plilacinum EPSMS2 345 6551 206 1019 706 645 072 161
Ppurpurogenum EPSML3 3545 6037 2405 909 677 593 091 144
Pduclauxi EPASS9 4412 6275 386 1013 7 768 086 213
Plividum EPMCL12 345 6551 206 1019 706 645 072 161
Ppurpurogenum EPEHS7 385 59 245 886 868 1118 083 163
Prestrictum EPCTS8 4158 5006 362 818 6102 1275 067 186
Pthomii EPAER11 4838 6208 489 953 863 656 096 141
Ppurpurogenum EPAER14 385 59 245 886 868 1118 083 163
Pjavanicum EPSLR13 4838 6208 489 953 863 656 096 141
Pasperum EPHAL10 4158 5006 362 818 6102 1275 067 186
LSD005 10331 8971 2271 5521 3021 2171 04581 1071
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
NS= Natural Soil AS=Amended Soil
73
Fig15 Growth promotion by the endophytic Penicillium in soil amended with neem cake
in sunflower
373 Effect of endophytic Penicillium with neem cake in inhibition of root diseases
and mung bean growth
In an experiment a 25 ml cell suspension of five-day-old cultures of Fourteen
isolates of endophytic Penicillium viz P citrinum Plilacinum Ppurpurogenum
(EPSML3) Pnigricans Pregulosum P decumbens Ppurpurogenum (EPEHS7) P
restrictum Pduclauxi Pasperum Pthomii Plividum Pjavanicum and
Ppurpurogenum (EPAER14) were applied in pots filled with 1 Kg soil Endophytic
Penicillium were drench in each pots with 1 neem cake in another pot set Mung bean
(Vigna radiata) seeds were sown pots (6 seeds per pot) Four seedlings were remained in
each pots after germination Treatments were replicated four times and data were noticed
after 45 days
EP
Carbendazim Control
74
No infection of Foxysporum were found Plilacinum Ppurpurogenum (EPSML3)
and Pduclauxi when used in natural soil Whereas infection of Foxysporum was also not
found where Plilacinum Pnigricans and Pduclauxi used in neem cake amended soil
Significant reduction in infection of Fsolani was seen in natural soil by all isolates whereas
in neem cake amended soil all isolates also showed significant reduction other than P
citrinum which showed infection equal to control treatment 75 No infection of
Mphaseolina was showed by P citrinum in both type of soil whereas P restrictum also
showed no infection of Mphaseolina only in natural soil Control showed no infection of
Rsolani in natural soil while Pnigricans Pasperum Pthomii and Pjavanicum in
amended soil showed no infection of Rsolani (Table 14)
Use of endophytic Plividum with neem cake caused a significant increase in
plant height while Pnigricans Plilacinum Ppurpurogenum (EPEHS7) Pasperum
Pthomii Pjavanicum and Ppurpurogenum (EPAER14) showed significant result in
natural soil Ppurpurogenum (EPEHS7) and Ppurpurogenum (EPAER15) showed
significant growth on Shoot weight in natural soil In natural soil greater root length was
showed by Plilacinum whereas in amended soil P restrictum Pasperum Pthomii and
Pjavanicum showed larger root length (Table 15)
75
Table14 Effect of endophytic Penicillium with neem cake on the infection of Fusarium solani Foxysporum Rhizoctonia solani and
Macrophomina phaseolinaon mung bean roots in green house experiment
Infection
Treatments Code Foxysporum
Fsolani
M phaseolina Rsolani
NS AS NS AS NS AS NS AS
Control hellip 50 312 100 75 100 50 0 562
Carbendazim hellip 125 62 50 312 187 25 0 25
P decumbens EPAIR6 125 25 375 437 187 437 0 125
Pnigricans EPSLR4 62 0 50 187 125 187 0 0
Pregulosum EPAAR5 125 187 437 50 312 50 62 562
P citrinum EPSMR1 62 62 437 75 0 0 62 62
Plilacinum EPSMS2 0 0 50 125 312 62 187 62
Ppurpurogenum EPSML3 0 25 375 50 25 25 437 187
Pduclauxi EPASS9 0 0 437 375 25 375 62 25
Plividum EPMCL12 62 25 25 687 125 375 62 50
Ppurpurogenum EPEHS7 62 125 375 312 187 187 62 25
Prestrictum EPCTS8 12 25 437 375 0 312 62 187
Pthomii EPAER11 62 62 437 25 125 312 0 0
Ppurpurogenum EPAER14 62 125 375 312 187 187 62 25
Pjavanicum EPSLR13 62 0 50 187 125 187 0 0
Pasperum EPHAL10 435 125 25 25 25 187 0 0
LSD005 Treatment=5611 Pathogen=2802 Soil Type=1983
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
3 Mean values in the NS and AS column showing difference greater than LSD value are significantly different at plt005
NS= Natural Soil AS=Amended Soil
76
Table15 Effect of endophytic Penicillium and neem cake on the growth of mung bean in green house experiment
Treatments Code Shoot Length
Shoot Weight
Root Length Root weight
(cm)
(g)
(cm)
(g)
NS AS NS AS NS AS NS AS
Control hellip 1375 1714 078 08 1531 4652 051 014
Carbendazim hellip 139 1865 073 1322 1556 473 056 015
P decumbens EPAIR6 1359 161 089 1055 1233 5002 055 023
Pnigricans EPSLR4 1463 1452 077 031 1125 6375 031 011
Pregulosum EPAAR5 1358 1775 073 0732 1943 4905 032 017
P citrinum EPSMR1 1299 1606 059 0617 165 477 039 016
Plilacinum EPSMS2 148 1685 083 0662 251 4175 046 022
Ppurpurogenum EPSML3 1299 1606 059 0617 165 477 039 016
Pduclauxi EPASS9 1187 1916 069 0855 1108 4562 017 016
Plividum EPMCL12 132 2147 061 1358 2252 4785 026 022
Ppurpurogenum EPEHS7 1448 1917 092 1115 1543 445 059 016
Prestrictum EPCTS8 1268 1874 068 1102 1087 702 031 02
Pthomii EPAER11 1463 179 077 1203 1125 7025 031 024
Ppurpurogenum EPAER14 1448 1917 092 1115 1543 445 059 016
Pjavanicum EPSLR13 1463 179 077 1203 1125 7025 031 024
Pasperum EPHAL10 1463 1874 077 1102 1125 702 031 02
LSD005 1611 4011 0191 2141 8421 1151 0171 0071
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
NS= Natural Soil AS=Amended Soil
77
374 Effect of Endophytic Penicillium and cotton cake in inhibition of root
diseases and mung bean growth
A 25 ml five-day-old cell suspension of fourteen isolates of endophytic
Penicillium viz P citrinum Plilacinum Ppurpurogenum (EPSML3) Pnigricans
Pregulosum P decumbens Ppurpurogenum (EPEHS7) P restrictum Pduclauxi
Pasperum Pthomii Plividum Pjavanicum and Ppurpurogenum (EPAER14) were
applied in clay pots filled with 1 Kg soil In similler set endophytic Penicillium were
drench in each pots alongwith 1 cotton cake Seeds of mungbean (Vigna radiata)
were sown Four seedlings were kept in each pot after germination Carbendazim (200
ppm) 25 ml pot considered as positive control
After 45 days data were noted Different Fsolani and Foxysporum infection
showed between plants treated with different isolates was significant Endophytic
Penicillium isolates separete or combine with cotton cake caused significant reduction
M phaseolina infection Plants grown in soil treated with Pnigricans Pregulosum P
decumbens Ppurpurogenum (EPEHS7) Pthomii Plividum Pjavanicum and
Ppurpurogenum (EPAER14) in cotton cake amended soil showed no infection of R
solani (Table 16)
Cotton cake and Pnigricans Pthomii Pjavanicum significant increased root
length and fresh root weight related to control plants While combine use of cotton cake
and P decumbens significantly improved fresh shoot weight (Table 17)
78
Table16 Effect of Endophytic Penicillium and cotton cake on the infection of Fusarium solani Foxysporum Rhizoctonia solani and
Macrophomina phaseolina on mungbean roots in green house experiment
Infection
Treatments Code Foxysporum
Fsolani
M phaseolina Rsolani
NS AS NS AS NS AS NS AS
Control hellip 50 50 100 75 100 75 0 187
Carbendazim hellip 125 50 50 75 187 75 0 187
P decumbens EPAIR6 125 0 375 312 187 375 0 0
Pnigricans EPSLR4 62 187 50 437 125 375 0 0
Pregulosum EPAAR5 125 62 437 125 312 187 62 0
P citrinum EPSMR1 62 25 437 437 0 437 62 187
Plilacinum EPSMS2 0 375 50 687 312 25 187 62
Ppurpurogenum EPSML3 0 437 375 50 25 687 437 185
Pduclauxi EPASS9 0 312 437 562 25 562 62 65
Plividum EPMCL12 62 125 25 25 125 25 62 0
Ppurpurogenum EPEHS7 62 0 375 312 187 125 62 0
Prestrictum EPCTS8 125 312 437 312 0 312 62 65
Pthomii EPAER11 62 187 437 437 125 375 0 0
Ppurpurogenum EPAER14 62 0 375 312 187 125 62 0
Pjavanicum EPSLR13 62 187 50 437 125 375 0 0
Pasperum EPHAL10 437 375 25 312 25 562 0 125
LSD005 Treatment=5891 Pathogen=2942 Soil Type=2083
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
3Mean values in the NS and AS column showing difference greater than LSD value are significantly different at plt005
NS= Natural Soil AS=Amended Soil
79
Table17 Effect of Endophytic Penicillium and Cotton cake on the growth of mung bean in green house experiment
Treatments Code
Shoot Length
Shoot Weight Root Length Root weight
(cm)
(g)
(cm)
(g)
NS AS NS AS NS AS NS AS
Control hellip 1375 1364 078 089 1531 613 051 031
Carbendazim hellip 139 1398 073 106 1556 699 056 038
P decumbens EPAIR6 1359 147 089 142 1233 79 055 039
Pnigricans EPSLR4 1463 1435 077 119 1125 1185 031 071
Pregulosum EPAAR5 1358 1322 073 101 1943 746 032 036
P citrinum EPSMR1 1299 1318 059 193 165 961 039 037
Plilacinum EPSMS2 148 1438 083 116 251 1096 046 045
Ppurpurogenum EPSML3 1299 1318 059 193 165 961 039 037
Pduclauxi EPASS9 1187 1438 069 13 1108 1178 017 048
Plividum EPMCL12 132 1323 061 107 2252 1024 026 048
Ppurpurogenum EPEHS7 1448 12875 092 107 1543 933 059 041
Prestrictum EPCTS8 1268 1453 068 128 1087 972 031 046
Pthomii EPAER11 1463 1435 077 119 1125 1185 031 071
Ppurpurogenum EPAER14 1448 12875 092 107 1543 933 059 041
Pjavanicum EPSLR13 1463 1435 077 119 1125 1185 031 071
Pasperum EPHAL10 1463 1453 077 128 1125 972 031 046
LSD005 1611 2661 0191 091 8421 271 0171 0291
1 Difference greater than LSD values among means in column are significant at plt005
NS= Natural Soil AS=Amended Soil
80
375 Effect of endophytic Penicillium in inhibition of root diseases and
mungbean growth
A 25 ml five-day-old cell suspension of fourteen isolates of endophytic
Penicillium viz P citrinum Plilacinum Ppurpurogenum (EPSML3) Pnigricans
Pregulosum P decumbens Ppurpurogenum (EPEHS7) P restrictum Pduclauxi
Pasperum Pthomii Plividum Pjavanicum and Ppurpurogenum (EPAER14) were
applied in clay pots filled with 1 Kg soil In similler set endophytic Penicillium were
drench in each pots alongwith 1 cotton cake Seeds of mungbean (Vigna radiata)
were sown Four seedlings were kept in each pot after germination Carbendazim (200
ppm) 25 ml pot considered as positive control
No infection of Foxysporum was found by Plilacinum and Pduclauxi
treatments Significant reduction in infection of Fsolani was seen by all isolates No
infection of Mphaseolina was showed by P citrinum and P restrictum All treatments
showed significant reduction on infection of Rsolani although Pnigricans P
decumbens Pthomii and Pjavanicum showed 0 infection (Table 18)
Application of Endophytic Pasperum caused a significant increase in plant
height Showed significant result in natural soil P citrinum caused significant growth
on Shoot weight Root length showed non-significant result P decumbens showed
greater fresh root weight (Table 19)
81
Table18 Effect of Endophytic Penicillium on the infection of Fusarium solani Foxysporum Rhizoctonia solani and
Macrophomina phaseolina on mung bean roots in green house experiment
Treatments Code Foxysporum Fsolani M phaseolina Rsolani
Infection
Control --------- 50 100 100 50
Carbendazim --------- 25 50 50 62
P decumbens EPAIR6 125 375 187 0
Pnigricans EPSLR4 62 50 125 0
Pregulosum EPAAR5 125 437 312 62
P citrinum EPSMR1 62 437 0 62
Plilacinum EPSMS2 0 50 312 187
Ppurpurogenum EPSML3 25 25 312 25
Pduclauxi EPASS9 0 437 25 62
Plividum EPMCL12 62 25 125 65
Ppurpurogenum EPEHS7 62 375 187 62
Prestrictum EPCTS8 125 437 0 62
Pthomii EPAER11 62 50 125 0
Ppurpurogenum EPAER14 62 375 187 62
Pjavanicum EPSLR13 62 50 125 0
Pasperum EPHAL10 437 25 25 62
LSD005 Treatment=7601 Pathogen=3802
82
Table19 Effect of endophytic Penicillium on the growth of mung bean in green house experiment
Treatments Code Shoot Lenght Shoot Weight Root Length Root weight
(cm) (g) (cm) (g)
Control ---------- 1475 0522 4972 0098
Carbendazim --------- 1635 0987 3737 009
P decumbens EPAIR6 1382 0799 4462 0154
Pnigricans EPSLR4 1088 0794 4467 0101
Pregulosum EPAAR5 1414 0737 391 0087
P citrinum EPSMR1 1344 0987 4617 0137
Plilacinum EPSMS2 1399 0823 4195 0128
Ppurpurogenum EPSML3 1344 0987 4617 0137
Pduclauxi EPASS9 1434 0696 4127 0096
Plividum EPMCL12 1639 0752 4147 0121
Ppurpurogenum EPEHS7 1471 0642 435 0085
Prestrictum EPCTS8 1468 0928 4153 0088
Pthomii EPAER11 1482 0711 3865 0072
Ppurpurogenum EPAER14 1471 0642 435 0085
Pjavanicum EPSLR13 1482 0711 3865 0072
Pasperum EPHAL10 1608 0787 3875 0066
LSD005 2891 0261 0741 0051
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
83
84
376 Effect of endophytic Penicillium in soil amended with neem cake in
inhibition the root diseases and tomato growth
In this experiment 25 ml of five-day-old cell suspension of fourteen isolates of
endophytic Penicillium viz P citrinum Plilacinum Ppurpurogenum (EPSML3)
Pnigricans Pregulosum P decumbens Ppurpurogenum (EPEHS7) P restrictum
Pduclauxi Pasperum Pthomii Plividum Pjavanicum and Ppurpurogenum
(EPAER14) were applied in each pots filled 1 Kg soil In same other set endophytic
Penicillium were applied in each pots alongwith 10g neem cake per pot Three-week-
old four equal sized tomato (Lycopersicon exculentum) seedlings grown in autoclaved
soil were shifted in pots Carbendazim (200 ppm) 25 ml pot considered as positive
control Treatments were replicated four times and data were noticed after 60 days
Application of endophytic P decumbens P citrinum and Pduclauxi and P
restrictum alone affected a complete suppression of Foxysporum infection Whereas
Pduclauxi was found no infection of Foxysporum when used with neem cake (Table
20) Endophytic Penicillium are found effective against Fsolani in both type of soil
When P decumbens and Pduclauxi were used alone Infection of M phaseolina was
significantly reduced In neem cake amended soil untreated control showed no infection
of M phaseolina Difference in R solani infection among plants received different
treatment was non significant in both type of soil natural and amended (Table 20)
Plants grown in natural soil received P decumbens Pnigricans Pduclauxi
Ppurpurogenum (EPAER14) and Pjavanicum fungal culture showed better growth
than untreated control Pasperum with neem cake showed highly significant plant
height of 24cm (Table 21 and Fig18-20)
85
Table20 Effect of endophytic Penicillium and neem cake on the infection of Fusarium solani Foxysporum Rhizoctonia solani and
Macrophomina phaseolina on tomato roots in green house experiment
Infection
Treatments Code Foxysporum
Fsolani
M phaseolina Rsolani
NS AS NS AS NS AS NS AS
Control hellip 437 312 625 625 312 0 312 0
Carbendazim hellip 562 187 312 437 875 187 375 0
P decumbens EPAIR6 0 437 62 562 187 125 75 0
Pnigricans EPSLR4 312 562 187 625 375 312 687 0
Pregulosum EPAAR5 25 562 437 562 312 0 437 62
P citrinum EPSMR1 0 50 62 625 625 62 75 0
Plilacinum EPSMS2 50 437 437 562 375 125 687 62
Ppurpurogenum EPSML3 50 62 437 312 437 125 437 0
Pduclauxi EPASS9 0 0 62 25 187 125 50 62
Plividum EPMCL12 50 437 437 562 375 0 687 62
Ppurpurogenum EPEHS7 62 187 312 25 375 25 375 125
Prestrictum EPCTS8 0 312 187 437 25 187 562 0
Pthomii EPAER11 187 562 312 562 50 312 562 0
Ppurpurogenum EPAER14 62 187 312 25 375 25 375 125
Pjavanicum EPSLR13 312 562 187 625 375 312 687 0
Pasperum EPHAL10 62 312 125 562 25 62 812 0
LSD005 Treatment=5921 Pathogen=2962 Soil Type=2093
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
3Mean values in the NS and AS column showing difference greater than LSD value are significantly different at plt005
NS= Natural Soil AS=Amended Soil
86
Table 21 Effect of endophytic Penicillium and neem cake on the growth of tomato in green house experiment
Treatments Code Shoot Length Shoot Weight Root Length Root weight
(cm) (g) (cm) (g)
NS AS NS AS NS AS NS AS
Control hellip 12 1544 18 407 126 333 155 063
Carbendazim hellip 1318 2362 177 802 943 637 134 156
P decumbens EPAIR6 1672 1131 243 153 1185 666 057 033
Pnigricans EPSLR4 1681 1357 247 201 1082 848 069 033
Pregulosum EPAAR5 1497 1841 211 295 1106 833 05 048
P citrinum EPSMR1 1732 1755 297 389 922 1149 064 056
Plilacinum EPSMS2 132 1303 193 254 1242 529 052 046
Ppurpurogenum EPSML3 128 1087 171 109 1078 612 054 025
Pduclauxi EPASS9 1672 2255 243 636 1185 597 057 11
Plividum EPMCL12 1307 1303 178 254 1242 529 052 046
Ppurpurogenum EPEHS7 1307 1581 178 382 1242 1025 054 094
Prestrictum EPCTS8 1513 1755 191 389 135 1149 046 056
Pthomii EPAER11 1328 1375 214 234 148 466 046 055
Ppurpurogenum EPAER14 1681 1581 178 382 1242 1025 048 094
Pjavanicum EPSLR13 1681 1357 247 201 1082 848 069 033
Pasperum EPHAL10 1328 2412 18 732 1225 775 06 126
LSD005 271 5171 0691 2091 3731 3031 1031 0631
1 Difference greater than LSD values among means in column are significant at plt005
NS= Natural Soil AS=Amended Soil
87
Fig18 Growth promotion by the endophytic Penicillium in tomato
EP
88
377 Effect of endophytic Penicillium in soil amended with cotton cake in
inhibition of root diseases and tomato growth
In this experiment 25 ml of five-day-old cell suspension of fourteen isolates of
endophytic Penicillium viz P citrinum Plilacinum Ppurpurogenum (EPSML3)
Pnigricans Pregulosum P decumbens Ppurpurogenum (EPEHS7) P restrictum
Pduclauxi Pasperum Pthomii Plividum Pjavanicum and Ppurpurogenum
(EPAER14) were applied in each pots filled 1 Kg soil In same other set endophytic
Penicillium were applied in each pots alongwith 10g neem cake per pot Three-week-old
four equal sized tomato (Solanum Lycopersicum) seedlings grown in autoclaved soil
were shifted in pots Carbendazim (200 ppm) 25 ml pot was considered as positive
control Treatments were replicated four times and data were recorded after 60 days
Application of endophytic P decumbens P citrinum Pduclauxi and P
restrictum alone affected a broad inhibition of Foxysporum infection Whereas
Pregulosum was found no infection of Foxysporum when used with cotton cake (Table
22) Endophytic Penicillium are found effective against Fsolani in natural soil In
cotton cake amended soil Pnigricans and Pduclauxi showed significant reduction in
Fsolani infection When P decumbens and Pduclauxi were used alone Infection of M
phaseolina was significantly reduced In cotton cake amended soil Pregulosum P
citrinum Plilacinum Ppurpurogenum (EPSML3) and Plividum showed no infection
of M phaseolina Difference in R solani infection among plants received different
treatment was non-significant in natural soil and in cotton cake amended soil no
infection of Rsolani was found (Table 22)
89
Table 22 Effect of endophytic Penicillium and cotton cake on the infection of Fusarium solani Foxysporum Rhizoctonia solani and
Macrophomina phaseolina on tomato roots in green house experiment
Infection
Treatments Code Foxysporum
Fsolani
M phaseolina Rsolani
NS AS NS AS NS AS NS AS
Control hellip 437 50 625 25 312 62 312 0
Carbendazim hellip 562 437 312 187 875 125 375 0
P decumbens EPAIR6 0 62 62 562 1875 187 75 0
Pnigricans EPSLR4 312 62 187 187 375 62 687 0
Pregulosum EPAAR5 25 0 437 437 312 0 437 0
P citrinum EPSMR1 0 62 62 562 625 0 75 0
Plilacinum EPSMS2 50 187 437 375 375 0 687 0
Ppurpurogenum EPSML3 50 187 437 62 437 0 437 0
Pduclauxi EPASS9 0 562 62 562 187 25 50 0
Plividum EPMCL12 50 187 437 375 375 0 687 0
Ppurpurogenum EPEHS7 62 125 312 437 375 125 375 0
Prestrictum EPCTS8 0 625 187 312 25 62 562 0
Pthomii EPAER11 187 312 312 25 50 125 562 0
Ppurpurogenum EPAER14 62 125 312 437 375 125 375 0
Pjavanicum EPSLR13 312 62 187 187 375 62 687 0
Pasperum EPHAL10 62 125 125 50 25 62 812 0
LSD005 Treatment=5691 Pathogen=2842 Soil Type=2013
1Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
3Mean values in the NS and AS column showing difference greater than LSD value are significantly different at plt005
NS= Natural Soil AS=Amended Soil
90
Plants grown in natural soil received P decumbens Pnigricans Pduclauxi
Ppurpurogenum (EPAER14) and Pjavanicum fungal culture showed better growth
than untreated control P restrictum with cotton cake showed highly significant plant
height Pnigricans and Pjavanicum showed greater fresh shoot weight in amended
soil Root length in both type of soil was non-significant Whereas fresh root weight
was non-significant in natural soil In cotton cake amended soil Pduclauxi showed
significant fresh root weight (Table 23 and Fig21)
378 Effect of endophytic Penicillium with neem cake in inhibition of root
diseases and chickpea growth
Fourteen isolates of endophytic Penicillium viz P citrinum Plilacinum
Ppurpurogenum (EPSML3) Pnigricans Pregulosum Pdecumbens Ppurpurogenum
(EPEHS7) P restrictum Pduclauxi Pasperum Pthomii Plividum Pjavanicum and
Ppurpurogenum (EPAER14) caused suppression of four root rotting fungi in vitro A
25ml cell suspension of five-day-old culture of fungal isolates were drench in each pots
filled with 1kg soil Carbendazim considered as positive control against root rotting
fungi Combine use of endophytic Penicillium and 1 Neem cake were drenched in
another same set Chickpea (Cicer arietinum) seeds were sown in pots (6 seeds per pot)
After one week four seedlings were kept in each pots and extra were detached
Treatments were replicated four times and watered daily Data were recorded after six
weeks
91
Table23 Effect of endophytic Penicillium and cotton cake on the growth of tomato in green house experiment
Treatments Code
Shoot
Length
Shoot
Length
Shoot
Weight
Shoot
Weight
Root
Length
Root
Length
Root
weight
Root
weight
(cm) (cm) (g) (g) (cm) (cm) (g) (g)
NS AS NS AS NS AS NS AS
Control hellip 12 1633 18 554 126 1757 155 105
Carbendazim hellip 1318 2232 177 666 943 2285 134 163
P decumbens EPAIR6 1672 205 243 539 1185 1225 057 125
Pnigricans EPSLR4 1681 225 247 83 1082 15 069 183
Pregulosum EPAAR5 1497 1978 211 548 1106 1046 05 153
P citrinum EPSMR1 1732 1912 297 512 922 9 064 155
Plilacinum EPSMS2 132 2347 193 741 1242 1298 052 156
Ppurpurogenum EPSML3 128 1725 171 465 1078 925 054 061
Pduclauxi EPASS9 1672 214 243 69 1185 153 057 237
Plividum EPMCL12 1307 2347 178 741 1242 1298 052 156
Ppurpurogenum EPEHS7 1307 2068 178 612 1242 1131 054 108
Prestrictum EPCTS8 1513 2467 191 828 135 1817 046 225
Pthomii EPAER11 1328 225 214 657 148 155 046 164
Ppurpurogenum EPAER14 1681 2068 178 612 1242 1131 048 108
Pjavanicum EPSLR13 1681 225 247 83 1082 15 069 183
Pasperum EPHAL10 1328 2101 18 525 1225 1095 06 135
LSD005 271 4291 0691 3281 3731 5851 1031 091
1 Difference greater than LSD values among means in column are significant at plt005
92
Fig 21 Growth promotion by the endophytic Penicillium in soil amended with cotton
cake in tomato
EP
93
Plants grown in pots received endophytic Penicillium isolates Ppurpurogenum
(EPSML3) and Pthomii in natural soil and in amended soil with neem cake P
decumbens Pnigricans Ppurpurogenum (EPSML3) Ppurpurogenum (EPEHS7)
Pjavanicum and Ppurpurogenum (EPAER14) showed no infection of F oxysporumIn
unamended soil Fsolani was found significantly reduced except isolate Pasperum
Whereas in amended soil infection of Fsolani was non significant In unamended soil
Mphaseolina was found significantly reduced Combine effect of isolates
Ppurpurogenum (EPSML3) Ppurpurogenum (EPEHS7) Ppurpurogenum (EPAER14)
and neem cake showed significant result on Mphaseolina infection Application of
Pregulosum P decumbens P restrictum Pduclauxi Pasperum and Pthomii showed
no infection of Rsolani in natural soil Amended soil with neem cake showed no
infection of Rsolani (Table 24)
Greater plant height was produced by P decumbens Pnigricans Pregulosum
and Pduclauxi when applied in natural soil Effect of P restrictum and P citrinum with
neem cake showed highest plant height Untreated control of amended soil showed
highest value of fresh shoot weight and fresh root weight related to other treatments
whereas fresh shoot weight in natural soil showed significant result in all treatments
except Pthomii P decumbens and Pduclauxi alone showed highest root length and
fresh root weight In amended soil Ppurpurogenum (EPAER14) showed significant
root length (Table 25 and Fig22-27)
94
Table24 Effect of endophytic Penicillium and neem cake on the infection of Fusarium solani Foxysporum Rhizoctonia solani and
Macrophomina phaseolina on chickpea roots in green house experiment
Infection
Treatments Code Foxysporum
Fsolani
M phaseolina Rsolani
NS AS NS AS NS AS NS AS
Control hellip 375 0 50 125 437 375 25 0
Carbendazim hellip 0 0 25 25 312 375 125 0
P decumbens EPAIR6 187 0 125 312 375 687 0 0
Pnigricans EPSLR4 125 0 312 437 375 562 375 0
Pregulosum EPAAR5 62 62 187 437 375 50 0 0
P citrinum EPSMR1 312 187 187 312 375 50 187 0
Plilacinum EPSMS2 62 62 437 125 62 625 25 0
Ppurpurogenum EPSML3 0 0 375 25 62 312 62 0
Pduclauxi EPASS9 187 375 125 25 375 50 0 0
Plividum EPMCL12 62 62 437 125 62 625 25 0
Ppurpurogenum EPEHS7 187 0 25 375 125 312 62 0
Prestrictum EPCTS8 375 375 25 25 125 50 0 0
Pthomii EPAER11 0 187 437 187 62 25 0 0
Ppurpurogenum EPAER14 187 0 25 375 125 312 62 0
Pjavanicum EPSLR13 312 0 187 43 312 562 375 0
Pasperum EPHAL10 125 62 50 125 125 812 0 0
LSD005 Treatment=4901 Pathogen=2452 Soil Type=1733
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
3Mean values in the NS and AS column showing difference greater than LSD value are significantly different at plt005
NS= Natural Soil AS=Amended Soil
95
Table25 Effect of endophytic Penicillium and neem cake on the growth of chickpea in green house experiment
Treatments Code Shoot Length Shoot Weight Root Length Root weight
(cm) (g) (cm) (g)
NS AS NS AS NS AS NS AS
Control hellip 2369 2225 274 837 274 975 211 303
Carbendazim hellip 239 2975 32 821 2187 1537 376 235
P decumbens EPAIR6 2925 2911 376 388 3037 1293 522 116
Pnigricans EPSLR4 293 3357 339 661 2331 1391 376 12
Pregulosum EPAAR5 2928 3315 332 633 2296 9 387 117
P citrinum EPSMR1 267 3384 313 668 2397 975 394 098
Plilacinum EPSMS2 2768 2801 31 698 2155 1132 35 109
Ppurpurogenum EPSML3 2587 3332 3075 738 267 137 432 141
Pduclauxi EPASS9 2925 2911 376 388 3037 1293 522 116
Plividum EPMCL12 2768 2801 31 698 2155 1132 35 109
Ppurpurogenum EPEHS7 2698 3077 326 506 2202 1565 413 139
Prestrictum EPCTS8 2667 3384 3205 668 2735 975 351 098
Pthomii EPAER11 239 30 296 799 2416 1062 427 125
Ppurpurogenum EPAER14 2698 3077 326 506 2202 1565 413 139
Pjavanicum EPSLR13 2618 3357 341 661 2587 1391 438 12
Pasperum EPHAL10 2856 2891 344 763 1921 1352 306 13
LSD005 471 4931 0941 3331 7321 5451 1611 11071
1 Difference greater than LSD values among means in column are significant at plt005
NS= Natural Soil AS=Amended Soil
96
Fig22 Growth promotion by the endophytic Penicillium in chickpea
Fig23 Growth promotion by the endophytic Penicillium in chickpea
EP
S
EP
97
Fig24 Growth promotion by the endophytic Penicillium in chickpea
EP
EP
98
Fig25 Growth promotion by the endophytic Penicillium in soil amended with neem cake
in chickpea
Fig 26 Growth promotion by the endophytic Penicillium in soil amended with neem cake
in chickpea
EP
EP
99
Fig27 Growth promotion by the endophytic Penicillium in soil amended with neem cake
in chickpea
379 Effect of endophytic Penicillium with mustard cake in suppressing the root
diseases and growth of chickpea
Fourteen isolates of endophytic Penicillium viz P citrinum Plilacinum
Ppurpurogenum (EPSML3) Pnigricans Pregulosum P decumbens Ppurpurogenum
(EPEHS7) P restrictum Pduclauxi Pasperum Pthomii Plividum Pjavanicum and
Ppurpurogenum (EPAER14) caused suppression of four root rotting fungi in vitro A
25ml cell suspension of five-day-old culture of fungal isolates were drench in each pots
filled with 1kg soil Carbendazim considered as positive control against root rotting
fungi Combine use of endophytic Penicillium and 1 mustared cake were drenched in
another same set Chickpea (Cicer arietinum) seeds were sown in pots (6 seeds per pot)
After one week four seedlings were kept in each pots and extra were detached
Treatments were replicated four times and watered daily Data were recorded after six
weeks
Root rot fungi infection was less in amended soil as compared to unamended
soil No infection of Foxysporum was found in Ppurpurogenum (EPSML3) and
Pthomii in unamended soil P citrinum Ppurpurogenum (EPSML3) Pnigricans
Pregulosum P decumbens Ppurpurogenum (EPEHS7) Pduclauxi Pjavanicum and
Ppurpurogenum (EPAER14) with mustard cake amendment showed complete
suppression of Foxysporum P decumbens and Ppurpurogenum (EPSML3) in
amended soil showed less infection of Fsolani while Plividum showed 100 infection
of Fsolani in amended soil Infection of M phaseolina in unamended soil was
significant whereas in amended soil untreated control showed no infection of M
phaseolina Treatment of Pthomii and Ppurpurogenum (EPAER14) in mustard cake
amended soil showed less infection of R solani while P citrinum Pnigricans
Pregulosum Pduclauxi Pjavanicum and Plividum showed non-significant result
(Table 26)
100
Natural soil showed greater plant height as compared to mustard cake amended
soil Pnigricans showed greater plant length as compared to other treatments In
amended soil plant height was non-significant statisticaly (Table 27)
101
Table 26 Effect of endophytic Penicillium and mustard cake on the infection of Fusarium solani Foxysporum Rhizoctonia solani and
Macrophomina phaseolina on chickpea roots in green house experiment
Infection
Treatments Code Foxysporum Fsolani M phaseolina Rsolani
NS AS NS AS NS AS NS AS
Control hellip 375 125 50 312 437 0 25 187
Carbendazim hellip 0 125 25 437 312 62 125 125
P decumbens EPAIR6 187 0 125 62 375 0 0 0
Pnigricans EPSLR4 125 0 312 437 375 187 375 437
Pregulosum EPAAR5 62 0 187 312 375 187 0 25
P citrinum EPSMR1 312 0 187 625 375 187 187 312
Plilacinum EPSMS2 62 62 437 50 62 25 25 125
Ppurpurogenum EPSML3 0 0 375 6 62 0 62 125
Pduclauxi EPASS9 187 0 125 625 375 62 0 312
Plividum EPMCL12 62 62 437 100 62 25 25 312
Ppurpurogenum EPEHS7 187 0 25 187 125 0 62 125
Prestrictum EPCTS8 375 62 25 125 125 125 0 62
Pthomii EPAER11 0 62 437 125 62 62 0 62
Ppurpurogenum EPAER14 187 0 25 187 125 125 62 125
Pjavanicum EPSLR13 312 0 187 312 31 187 375 437
Pasperum EPHAL10 125 0 50 187 125 0 0 0
LSD005 Treatment=4461 Pathogen=2232 Soil Type=1583
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
3Mean values in the NS and AS column showing difference greater than LSD value are significantly different at plt005
NS= Natural Soil AS=Amended Soil
102
Table 27 Effect of endophytic Penicillium and mustard cake on the growth of chickpea in green house experiment
Treatments Code Shoot Length Shoot Weight Root Length Root weight
(cm) (g) (cm) (g)
NS AS NS AS NS AS NS AS
Control hellip 2369 2188 274 406 274 692 211 58
Carbendazim hellip 239 2134 32 42 2187 937 376 499
P decumbens EPAIR6 2925 1525 376 288 3037 75 522 53
Pnigricans EPSLR4 293 1955 339 476 2331 758 376 137
Pregulosum EPAAR5 2928 1907 332 633 2296 875 387 1238
P citrinum EPSMR1 267 1916 313 556 2397 756 394 1172
Plilacinum EPSMS2 2768 1929 31 417 2155 946 35 383
Ppurpurogenum EPSML3 2587 12 3075 241 267 65 432 532
Pduclauxi EPASS9 2925 192 376 561 3037 1115 522 819
Plividum EPMCL12 2768 1929 31 417 2155 946 35 383
Ppurpurogenum EPEHS7 2698 1787 326 55 2202 925 413 734
Prestrictum EPCTS8 2667 185 3205 315 2735 45 351 099
Pthomii EPAER11 239 2305 296 626 2416 9 427 931
Ppurpurogenum EPAER14 2698 1787 326 55 2202 925 413 739
Pjavanicum EPSLR13 2618 2305 341 626 2587 9 438 931
Pasperum EPHAL10 2856 1662 344 582 1921 925 306 834
LSD005 471 6131 0941 3011 7321 2921 1611 6151
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
NS=NaturalSoilAS=AmendedSoil
103
3710 Effect of endophytic Penicillium and fungicides in inhibition of root infection
and sunflower growth
Four isolates of endophytic Penicillium viz P citrinum (EPSMR1) Pnigricans
(EPSLR4) P decumbens (EPAIR6) and Pasperum (EPHAL10) caused suppression of
four root rotting fungi in vitro and revealed significant growth in in vivo were selected to
evaluate the combine effect with three different fungicides (Feast-M Carbendazim and
Topsin-M) A 25ml five-day-old cell suspension of fungal isolates were applied in pots
filled with 1kg soil In same other set pots were also applied combine application of
endophytic Penicillium and fungicides Each fungicide were also drench 25ml of 200ppm
in each pot Sunflower (Helianthus annuus) seeds were sown in pot (6 seeds per pot)
After one week four seedlings were kept in pots and extra were detached Treatments were
replicated four times and watered according to requirement Data were recorded after six
weeks
All three fungicides alone showed no infection of F oxysporum Plants grown in pots
received endophytic Penicillium isolate P decumbens and Pasperum with Feast-M showed
no infection of infection of F oxysporum Plants grown in pots received endophytic
Penicillium isolate Pnigricans with carbendazim and Pnigricans and P citrinum with
Topsin-M showed complete suppression of infection of F oxysporum All treatments
showed less infection of Fsolani as compared to control All treatments showed less
infection of Mphaseolina as compared to untreated control except P citrinum Pnigricans
alone and P decumbens Pasperum combine with Topsin-M showed 100 Mphaseolina
infection on sunflower roots Combine effect of Pasperum with Topsin-M and P citrinum
alone showed no infection of Rsolani Feast-M+ Pasperum and carbendazim showed no
difference from untreated control (Table 28)
Greater plant height was produced by carbendazim+ Pnigricans However greater
fresh shoot weight was produced by Feast-M alone (Table 29)
104
Table 28 Effect of endophytic Penicillium and fungicides on the infection of Fusarium solani Foxysporum Rhizoctonia solani and
Macrophomina phaseolina on sunflower roots in green house experiment
Infection
Treatments Foxysporum Fsolani M phaseolina Rsolani
Control 75 100 100 75
Feast-M 0 37 687 625
Feast-M+ P citrinum 62 75 625 687
Feast-M+ Pnigricans 187 812 687 687
Feast-M+ P decumbens 0 312 50 625
Feast-M+ Pasperum 0 50 81 75
Carbendazim 0 812 75 75
Carbendazim+P citrinum 62 562 87 687
Carbendazim+ Pnigricans 0 75 625 187
Carbendazim+P decumbens 62 812 812 687
Carbendazim+ Pasperum 187 562 75 312
Topsin-M 0 437 812 62
Topsin-M+ P citrinum 0 812 437 125
Topsin-M+ Pnigricans 0 75 312 437
Topsin-M+P decumbens 687 687 100 25
Topsin-M+ Pasperum 875 25 100 0
P citrinum 437 687 100 0
Pnigricans 125 812 100 62
P decumbens 187 50 437 187
Pasperum 125 50 562 125
LSD005 Treatment=11271 Pathogen=5042
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
105
Table 29 Effect of endophytic Penicillium and fungicides on the growth of sunflower in green house experiment
Treatments ShootLength ShootWeight Root Length Root weight
Control 3197 339 288 288
Feast-M 4269 451 526 526
Feast-M+ P citrinum 4024 367 434 434
Feast-M+ Pnigricans 4008 347 381 381
Feast-M+ P decumbens 4137 348 513 513
Feast-M+ Pasperum 3685 341 492 492
Carbendazim 3675 319 398 398
Carbendazim+ P citrinum 3933 326 464 464
Carbendazim+ Pnigricans 394 323 466 466
Carbendazim+ P decumbens 3807 315 527 527
Carbendazim+ Pasperum 3729 259 47 47
Topsin-M 3935 314 383 383
Topsin-M+ P citrinum 3353 264 388 388
Topsin-M+ Pnigricans 3386 299 427 427
Topsin-M+ P decumbens 337 229 409 409
Topsin-M+ Pasperum 3249 264 433 433
P citrinum 3268 249 432 432
Pnigricans 2788 201 401 401
P decumbens 3421 3007 446 446
Pasperum 3262 229 363 363
LSD005 5751 0811 1041 1041
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
106
3711 Effect of endophytic Penicillium on okra growth
In this experiment six seeds of okra (Abelmoschus esculentus) were sown in
earthen pots filled with 5 kg garden soil and watered watered daily to gained the 50
WHC (Keen and Raczkowiski 1921) P nigricans (EPSLR4) P rugulosum (EPAAR5)
and P decumbens (EPAIR6) (8x107 cfumL) used as soil drench in each pot and four
seedlings were kept after germination Treatments were replicated four times in screen
house Carbendazim was considered as a positive control and data were recorded after 90
days of germination
Treatments showed significant (Plt005) reduction of F solani and R solani
related to control (Table 30)
Application of P rugulosum resulted maximum plant height highest shoot weight
and root length while maximum root weight produced due to the treatment of carbendazim
and P decumbens Maximum number of fruits produced by Pnigricans and P decumbens
resulted highest fresh fruit weight(Table 31)
Highest polyphenol content resulted by Pnigricans and highest antioxidant activity
determined due to the drenching of Pnigricans after 1 minute and after 30 minute
Application of P rugulosum resulted maximum production of salicylic acid (Table 31)
Application of antagonist showed significant outcome on okra fruits Highest pH
showed by Pnigricans Application of P decumbens resulted highest tritable acidity value
then in Pnigricans and P rugulosum (Table 33) Application of carbendazim resulted
highest moisture content then in P rugulosum in fruits Maximum protein resulted by P
rugulosum then in P decumbens while highest carbohydrate caused by P decumbens
then in Pnigricans All the treatments showed significant (Plt005) Increased polyphenol
content showed by all treatments as compared to control (Table 34) P decumbens
resulted highest polyphenol followed by P rugulosum as compared to untreated plants P
rugulosum resulted significant improve in antioxidant potentail(Fig28)
107
Table30 Effect of endophytic Penicillium as soil drench on the infection of Macrophomina phaseolina Rhizoctonia solani Fusarium
solani and F oxysporum in garden soil
Infection
Treatments Foxysporum Fsolani M phaseolina Rsolani
Control 0 50 625 50
Carbendazim 0 125 100 312
P decumbens 0 0 625 312
Pnigricans 0 62 50 125
P rugulosum 0 187 562 25
LSD005 Treatment=14321 Pathogen=12802
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
108
Table31 Effect of endophytic Penicillium as soil drench on growth of okra plants in garden soil
Treatments Shoot Length Shoot Weight Root Length Root Weight Number of
Fruits Fruit weight
(cm) (g) (cm) (g)
Control 3831 1058 1596 305 023c 708c
Carbendazim 3421 832 1659 546 045b 683c
P decumbens 4523 1167 1756 438 052a 1106a
Pnigricans 4265 1172 1794 188 054a 894b
P rugulosum 4592 1295 1967 2405 025c 533d
LSD005 511 4281 3431 581 00261 04841
1 Difference greater than LSD values among means in column are significant at plt005
109
Table32 Effect of endophytic Penicillium as soil drench on polyphenol salicylic acid and antioxidant activity of okra plants in garden
soil
Treatments Polyphenol Antioxidant () Salicylic Acid
microgml After 1 minute After 30 minutes microgml
Control 137e 2711e 2878e 0053d
Carbendazim 172d 4608d 4908d 0048e
P decumbens 308c 4974c 5256c 0093c
Pnigricans 424a 5744a 6229a 0116b
P rugulosum 364b 5393b 5859b 0161a
LSD005 00311 01361 04211 00041
1 Difference greater than LSD values among means in column are significant at plt005
110
Table33 Effect of endophytic Penicillium as soil drench on biochemical parameters of ok ra fruits
Treatments pH Tritable acidity Moisture content Total solids Total Soluble Solid
Sucrose
Control 587c 0087c 8668d 1353b 245d
Carbendazim 585c 013b 9175a 803e 257c
P decumbens 59c 0194a 8434e 1559a 31a
Pnigricans 629a 0128b 8715c 1287c 28b
P rugulosum 605b 0128b 8808b 1185d 317a
LSD005 0121 000571 0211 01031 0121
1 Difference greater than LSD values among means in column are significant at plt005
111
Table 34 Effect of endophytic Penicillium as soil drench on polyphenol antioxidant activity protein and carbohydrates of okra fruits
in garden soil
Treatments Antioxidant Polyphenol Protein Carbohydrates
microgml microgml microgml
Control 2647e 665e 13e 69d
Carbendazim 3575d 734d 27d 86c
P decumbens 4906c 1613a 5263b 1033a
Pnigricans 5115b 96c 39c 99b
P rugulosum 5631a 122b 5566a 9833b
LSD005 10591 01441 21941 3711
1 Difference greater than LSD values among means in column are significant at plt005
112
3712 Effect of endophytic Penicillium on the growth root rotting fungi and
induction of systemic resistance in tomato
Filled earthen pots with 5 kg of soil and watered according to requirement to
maintain 50 WHC (Keen and Raczkowiski 1921) P nigricans (EPSLR4) P
rugulosum (EPAAR5) and P decumbens (EPAIR6) (8x107 cfumL) used as soil drench
Four equal sized seedlings of tomato were transfered in pots Treatments were four time
replicated Carbendazim was considered as a positive control and data were recorded
after 90 days
Most of the treatment showed significant (Plt005) results of R solani F solani
and M phaseolina as relation to control plants (Table 35)
Application of Pnigricans showed highest plant height shoot weight by P
decumbens Maximum number of fruits produced by Pnigricans and P decumbens
resulted highest fresh fruit weight(Table 36)
P rugulosum showed improved polyphenol as compare to control plants
Highest antioxidant activity resulted by P decumbens and carbendazim after 1 minute
and after 30 minute P rugulosum showed highest antioxidant activity Application of
Pnigricans and P decumbens resulted maximum production of salicylic acid (Table
37)
Application of endophytic Penicillium showed significant effect on tomato
fruits Highest pH noticed when soil treated with Pnigricans and P decumbens
Maximun tritable acidity produced by P decumbens (Table 38) Highest protein
produced by P rugulosum then in P decumbens while carbohydrate resulted by
Pnigricans followed by P decumbens All the treatments showed increase polyphenol
content as compare to control (Table 39) Pnigricans showed significant enhancment in
antioxidant activity related to control
113
Table35 Effect of endophytic Penicillium as soil drench on the infection of Macrophomina phaseolina Rhizoctonia solani Fusarium
solani and F oxysporum in garden soil
Infection
Treatments Foxysporum Fsolani M phaseolina Rsolani
Control 312 100 937 562
Carbendazim 187 125 625 0
P decumbens 437 62 312 0
Pnigricans 312 0 187 25
P rugulosum 187 0 187 312
LSD005 Treatment1=1455 Pathogen2=1302
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
114
Table36 Effect of endophytic Penicillium as soil drench on growth of tomato plants in garden soil
Treatments Shoot Length Shoot Weight Root Length Root Weight Number of Fruits Fruit weight
(cm) (g) (cm) (g)
Control 52 1974 1816 35 30a 5801b
Carbendazim 4646 1322 1629 237 20c 4083a
P decumbens 443 2161 1283 418 2133c 995a
Pnigricans 55 1892 1561 315 32a 4286d
P rugulosum 5197 1695 1205 334 256b 4779c
LSD005 1481 18611 5391 4011 3781 0131
1 Difference greater than LSD values among means in column are significant at plt005
115
Table 37 Effect of endophytic Penicillium as soil drench on polyphenol salicylic acid and antioxidant activity of tomato plants in
garden soil
Treatments Polyphenol Antioxidant () Salicylic Acid
microgml After 1 minute After 30 minutes microgml
Control 090a 40a 139a 014a
Carbendazim 019a 49a 127a 018a
P decumbens 0076a 44a 131a 019a
Pnigricans 0076a 33a 103a 019a
P rugulosum 0108a 33a 292a 017a
LSD005 01081 01671 0301 00791
1 Difference greater than LSD values among means in column are significant at plt005
116
Table 38 Effect of endophytic Penicillium as soil drench on biochemical parameters of tomato fruits
Treatments pH Tritable acidity Firmness Total Soluble Solid
N Sucrose
Control 411c 023c 34a 323c
Carbendazim 418b 027bc 143b 806a
P decumbens 43a 034a 076b 676ab
Pnigricans 43a 030ab 126bc 613b
P rugulosum 418b 030ab 086bc 686ab
LSD005 00621 00541 0211 1311
1 Difference greater than LSD values among means in column are significant at plt005
117
Table 39 Effect of endophytic Penicillium as soil drench on polyphenol antioxidant activity protein and carbohydrates of tomato
fruits in garden soil
Treatments Antioxidant Polyphenol Protein Carbohydrates
microgml microgml microgml
Control 1966c 573e 16d 63a
Carbendazim 333b 756d 28c 78a
P decumbens 503a 1853a 51a 104a
Pnigricans 52a 1026c 41b 97a
P rugulosum 496a 125b 52a 96a
LSD005 5591 0471 5771 2391
1 Difference greater than LSD values among means in column are significant at plt005
118
38 FIELD EXPERIMENTS
381 Effect of Pseudomonas monteilii and endophytic Penicillium on okra growth in
field condition
The experiment carried out in 2 times 2 meter field and replicated four times Cell
suspension of endophytic Penicillium (8x107 cfumL) were drench at 200-ml per meter row
alone and in combination with Pseudomonas monteilii 20 seeds of okra were seeded in
rows Topsin-M at 200 ppm were also used alone as a positive control On the basis upon
the requirement plants were watered with difference of 2-3 days The field had infestation
of 2080 cfug of soil of a diverse population of F solani and F oxysporum 10-22
sclerotia of M phaseolina g of soil and 8-17 colonization of R solani on sorghum
seeds used as baits naturally To evaluate the potential of Pseudomonas monteilii and
endophytic Penicillium plants were harvested (form each row 4 plants took) after 45 and
90 days of germination Incidence of root rotting fungi plant physical parameters and
resistance biomarkers were recorded
Significant (Plt005) inhibition of F oxysporum showed by most of treatments as
compere to control except P rugulosum P decumbens + Pseudomonas monteilii and
Topsin-M after 45 days (Table 40) Maximum reduction of Fsolani were observed in
plants treated with Pseudomonas monteilii and Pnigricans + Pseudomonas monteilii after
45 days While maximum reduction of M phaseolina observed in application of P
rugulosum+ Pseudomonas monteilii after 45 days Application of P rugulosum+
Pseudomonas monteilii and Pnigricans showed maximum reduction of Rsolani after 45
days
Highest length of shoot and weight of shoot were observed in plants Maximum
plant hieght were observed after 45 and 90 days intervals with mixed application of
Pnigricans with Pseudomonas monteilii Highest weight of shoot were also observed in
combine application of Pnigricans with Pseudomonas monteilii after 45 and 90 days
while application of Pseudomonas monteilii resulted maximum length of root after 45
days Significant increase in root length produced after 90 days from combine application
of Pnigricans with Pseudomonas monteilii Highest root weight resulted from combine
119
application of Pnigricans with Pseudomonas monteilii after 45 and 90 days Combine
application of P decumbens with Pseudomonas monteilii resulted highest number and
weight of fruits produced after 90 days (Table 41)
After 45 days most of the treatments shown significantly high phenols except
Topsin-M Most of the treatments shown maximum antioxidant activity significantly
except P rugulosum after 1 minute whereas maximum antioxidant activity showed by
Pseudomonas monteilii after 30 minutes P decumbens showed maximum production of
salicylic acid after 45 days (Table 42)
All the treatment showed significant effect on phenolic content except Topsin-M
and P decumbens whereas all the treatment showed significant effect on antioxidant
activity except Topsin-M and P decumbens with Pseudomonas monteilii after 1 and 30
minutes after 90 days Maximum production of salicylic acid showed in combine treatment
of Pnigricans with Pseudomonas monteilii after 90 days (Table 43)
In this experiment combine application of Pseudomonas monteilii and endophytic
Penicillium showed significant increase in physiobiochemical of okra fruits Combine
activity of Pnigricans + Pseudomonas monteilii resulted highest antioxidant activity in
fruits followed by Pseudomonas monteilii alone Highest polyphenol content resulted due
to the application of Pseudomonas monteilii followed by combine application of P
rugulosum with Pseudomonas monteilii Protein were showed maximum in combine
application of P decumbens with Pseudomonas monteilii and Pseudomonas monteilii
alone (Table 44) On the other side carbohydrate content observed highest in combine
application of P rugulosum with Pseudomonas monteilii Application of Pseudomonas
monteilii resulted maximum of total solids whereas combination of P rugulosum with
Pseudomonas monteilii produced highest of moisture Significant increase in pH showed
by Topsin-M followed by combination of Pnigricans with Pseudomonas monteilii and
maximum tritable acidity was showed by P decumbens (Table 45)
120
Table 40 Effect of Pseudomonas monteilii and endophytic Penicillium as soil drench on the infection of M phaseolina Rsolani F
solani and F oxysporum in soil under field condition
Infection
Treatments Foxysporum Fsolani M phaseolina Rsolani
45 90 45 90 45 90 45 90
Control 375 0 562 312 937 100 562 0
Topsin-M 375 0 625 25 937 100 687 0
Pseudomonas monteilii 25 62 25 312 875 100 625 0
P decumbens 62 0 50 375 68 100 375 0
Pnigricans 125 187 562 687 875 100 312 0
P rugulosum 312 62 562 375 812 100 437 0
P rugulosum + Pseudomonas monteilii 187 12 312 50 625 937 312 0
P decumbens + Pseudomonas monteilii 312 62 437 25 812 687 562 0
Pnigricans + Pseudomonas monteilii 62 125 25 375 687 625 75 0
LSD005 Treatments1= 8931 Pathogens2=5952 Treatments1=13341 Pathogens2=8 892
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
121
Table 41 Effect of Pseudomonas monteilii and endophytic Penicillium as soil drench on growth of okra plants under the field
condition
Treatments Shoot Length
(cm)
Shoot Weight
(g)
Root Length
(cm)
Root Weight
(g)
Number
of Fruits
Fruit
weight
Control 45 90 45 90 45 90 45 90 90 90
Topsin-M 4178 6192 2228 4325 1368 2426 204 823 086g 246i
Pmontelii 422 6375 1765 4731 1267 2377 133 98 12f 31h
Penicillium decumbens 477 6861 2271 507 1839 2684 255 1056 246b 456d
P nigricans 4233 6617 1971 4887 1486 2578 167 1003 143e 1146a
Prugulosum 4866 7083 1635 5095 1378 2311 172 967 176d 331g
P rugulosum 4373 7026 2063 2051 1371 2464 169 709 123f 35f
P rugulosum + P monteilii 5768 8658 3164 5518 1167 3008 207 1208 143e 42e
P decumbens + P monteilii 5553 9499 1867 5897 1409 2938 187 1217 277a 661b
Pnigricans + P monteilii 5907 9867 4043 6095 14 3188 296 1923 22c 623c
LSD005 961 1321 131 1181 3551 1371 0831 2961 0111 0111
1 Difference greater than LSD values among means in column are significant at plt005
122
Table 42 Effect of Pseudomonas monteilii and endophytic Penicillium as soil drench on polyphenol salicylic acid and antioxidant
activity of okra plants in soil under field condition after 45 days
Treatments
Polyphenol
microgml
Antioxidant () Salicylic Acid
microgml After 1 minute After 30 minutes
Control 183h 7314e 7721e 007f
Topsin-M 146i 9119a 9886a 0113d
Pseudomonas monteilii 321f 784d 8466d 0144c
P decumbens 245g 6639g 6858g 0168a
Pnigricans 573c 8044c 8852c 0084e
P rugulosum 474d 7074f 7643f 0154bc
P rugulosum + P monteilii 336e 5045i 6038h 0105d
P decumbens + P monteilii 713b 5186h 5779i 0086e
Pnigricans + P monteilii 773a 8356b 8992b 0165ab
LSD005 00721 10191 06531 00121
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
123
Table 43 Effect of Pseudomonas monteilii and endophytic Penicillium as soil drench on polyphenol salicylic acid and antioxidant
activity of okra plants in soil under the field condition after 90 days
Treatments Polyphenol
microgml
Antioxidant () Salicylic Acid
microgml After 1 minute After 30 minutes
Control 25def 6656e 7135f 0038g
Topsin-M 183f 4922f 5575g 0074bc
Pseudomonas monteilii 326cde 8345a 8885a 0052e
P decumbens 226ef 7804b 8539b 0072c
Pnigricans 52b 7726c 8233c 0066d
P rugulosum 41c 7165d 7851d 0042f
P rugulosum + P monteilii 343cd 7744c 8241c 0066d
P decumbens + P monteilii 683a 3254g 4917h 0077b
Pnigricans + P monteilii 74a 6852e 7604e 0105a
LSD005 10061 05191 04731 0003081
1 Difference greater than LSD values among means in column are significant at plt005
124
Table44 Effect of Pseudomonas monteilii and endophytic Penicillium as soil drench on polyphenol antioxidant activity protein and
carbohydrates of okra fruits in soil under field condition
Treatments Antioxidant Polyphenol Protein Carbohydrate
microgml microgml microgml
Control 5102g 646g 1466g 5966f
Topsin-M 5514f 716f 2566f 67e
Pseudomonas monteilii 6662b 136a 6766a 126a
P decumbens 5933d 976d 56d 101b
Pnigricans 5838d 816e 43e 92d
P rugulosum 6521c 114c 59c 96c
P rugulosum + P monteilii 5659e 124b 66b 102b
P decumbens + P monteilii 6616bc 11c 6766a 100b
Pnigricans + P monteilii 6909a 86e 56d 97c
LSD005 10451 06241 14081 2471
1 Difference greater than LSD values among means in column are significant at plt005
125
Table 45 Effect of Pseudomonas monteilii and endophytic Penicillium as soil drench on
biochemical parameters of okra fruits under field condition
Treatments pH
Tritable
acidity
Moisture
content
Total
solids
Total Soluble
Solid
Sucrose
Control 624a 0102c 8774b 1222f 1425e
Topsin-M 619ab 0126b 8653e 1339b 1475e
Pseudomonas monteilii 615b 0124b 8458f 1522a 2975d
P decumbens 606d 0185a 8632e 1355b 3125cd
Pnigricans 613bc 0127b 8752bcd 1249de 33bc
P rugulosum 607cd 0124b 8735cd 1256d 302d
P rugulosum + P monteilii 606d 0123b 8842a 117g 375a
P decumbens + Pmonteilii 603d 0122b 876bc 1233ef 342b
Pnigricans + P monteilii 616b 0125b 8723d 128c 305d
LSD005 00641 00041 03021 0171 02221
1 Difference greater than LSD values among means in column are significant at plt005
126
127
128
4 DISCUSSION
Microbes and Higher plants are the rich source of novel drugs In last 50 years
numerous effective drugs primarily extracted from fungi have been discoverd
(Smedsgaard and Nielsen 2005) Among them many bioactive compounds have been
produced from endophytes also known as an exceptional source as its capability to
inhabitate the plants in every environmental condition (Strobel and Daisy 2003) In
current study 14 endophytic Penicillium isolates were isolated (root stem and leaves)
from wild plants (Achyranthus aspera Atriplex stocksii Euphorbia hirta Chorchorus
tridens) and cultivated plant (Solanum melongena Lycopersicon esculentum
Helianthus annuus Azadirachta indica Abelmoschus esculentus Momordica
charantia) collected from different parts of Sindh province These findings is an
agreement to the earlier reports about the existence of Penicillium as endophyte
(Korejo et al 2014) Similar as (Ravindran et al 2012) A flavus from
mangrovesreported as an endophytes also
The microbes exist inter andor intra celluler of plant called ldquoendophytesrdquo
Endophytes gives variety of advantages to the host with vast applications in agriculture
and medicine (Clay and Rudgers 2005 Alvarez-Loayza 2011) Endophytes reside
inside the plant effects on plant health and survival They give strenght against abiotic
and biotic stresses and take nourishment from the plant Almost all vascular plants
studied till date have endophytic fungi in parts of their life cycle Plant pathogens and
pests are comparatively less attacked medicinal plants therefore endophytic micro-biota
can be of boundless significance in protecting plants from pests (Kaushik 2012)
Several studies on synthesis of secondry metabolites isolated from endophytic
fungi have found Among them some compounds used to discover new therapeutic
drugs (Strobel et al 2004) About 300000 plant species presented on land having
atleast one or more of fungi From many different plants including trees like yew and
pine and fodders like sorghum clover alfalfa and vegetables like tomatoes carrot
radish sweet potatoes lettuce and soybean fruits like citrus pineapple banana
pineapple and cereal grains like wheatrice and maizeand other crops like sugarcane
129
coffee and marigold have been examined for endophytes (Rosenblueth and Romero
2006) Several plants of medicinal importance such as Actinidia macrosperma (wild
kiwifruit) Ricinus communisTectona grandis Samanea saman Garcinia Picrorhiza
kurroa Cannabis sativa Withania somnifera Rauwolfia serpentine Cedrus deodara
Abies pindrow Pinus roxburgii Nothapodytes nimmoniana Platanus orientalis
Artemisia annua Brucea javanica M sieboldii and Calotropis procera have been
studied for endophytes Species of Alternaria Colletotrichum Aspergillus Fusarium
Gliocladium Cunninghamella Phomopsis Alternaria Fusarium Chaetomium
Nigrospora Cladosporium Alternaria Fusarium Aspergillus Curvularia
Cladosporium sp Aspergillus sp Nigrospora sp Fusarium sp Trichoderma sp
Chaetomium sp Alternaria sp Paecilomyces sp and Phyllostica are frequently
isolated from many agricultural and native plant species as endophytic fungi (Rubini et
al 2005 Guo et al 2008 Veja et al 2008 Gazis and Chaverri 2010 Kurose et al
2012 Parsa et al 2016) and Penicillium (H Kim 2014 Hassan 2017 Gautam 2013
Meng 2011 Peterson 2005 Qader 2015 Devi 2014 Shoeb 2014 Yin Lu et al 2011
Sandhu et al 2014 Phongpaichit et al 2006ukanyanee et al 2006 Qadri et al
2013 Liang 2014Cai and Wang 2012 Sandhu et al 2014b Cai 2012 Qadri 2013
In current study most of the endophytic Penicillium isolated Endophytic fungi
identified according to Domsch et al (1980) Dugan (2006) Raper and Thom (1949)
Barnett and Hunter (1998) and Visagie et al (2014) Identification of the promising
isolates was done through PCR amplification
Endophytic Penicillium isolated and tested for vitro and vivo activity in current
report most of the isolates showed inhibitory potential for fungi (root rotting) Fungal
endophytes that have useful impact on plant growth as biocontrol agents because their
effect against disease by inhabiting internal tissues of plants (Yuan et al 2017
Amatuzzi 2017) Similar biological position as pathogenic microorganism Berg et al
(2005) But in difference to plant pathogens they do not cause injury to host plant and
go inside plants for taking nourishment (Kobayashi and Palumbo 2000) Various
research are existing regarding the valuable function of fungal endophytes like act as
antagonist to phytopathogens and enhance growth of several crops (Waqas et al 2015
130
Veja et al 2008 Bahar et al 2011 Mendoza and Sikora 2009) Moreover
commercial application of Aspergillus spp Penicillium spp and Chaetomium spp for
the making of bioactive compounds that reveal antimicrobial and fungicidal activities (
Wang et al 2012 Jouda et al 2014)
In crop plants fungal endophytes are slightly recognized to play a role in the
production of gibberellins and resistance to stress abiotically Abiotic stressors like
drought heat and salinity symbiotic fungi can help plants to minimize the effect of
these stresses (Rodriguez et al 2008) In coastal plants fungal strains of P
funiculosum and P janthinellum are produced resistance against salt stress (Khan et al
2011 2013) Endophytic P citrinum produced gibberellins for their plant host (Khan et
al 2008) For plant growing stages with leaf enlargement pollen growth seed
sprouting stem elongation gibberellins are essential (Achard et al 2009) and influence
the growth of plant and adjustment throughout the early stages Thus endophytic fungi
possibly support their host plant to take nutrients and also stimulate hosts
growth The Trichoderma spp as considered to a giver of resistance facilitating plant
protection (Rubini et al 2005 Verma et al 2007 Bailey et al 2009 Kurose et al
2012) In this report cell free filtrates of culture and their fractions of endophytic
Penicillium exposed significant Escherichia coli Staphylococcus aureus Salmonella
typhimurium antibacterial activity against Bacillus subtilis Staphylococcus aureus and
Pseudomonas aeruginosa by forming inhibition zone in disc diffusion method
Endophytic Penicillium are also effective against bacterial pathogens with root rotting
fungi (Manmeet and Thind 2002) assessed antagonistic activity of Bacillus subtilis
Pseudomonas aeruginosa Trichoderma harzianum and Penicillium notatum against
causative agent of the bacterial blight of rice caused by Xanthomonas oryzae pv
oryzae in vitro and results showed that B subtilis P fluorescens and T harzianum
stop the growth of pathogen Our findings are an agreement to (Korejo et al 2014)
They reported that cell free filtrates of culture of endophytic Penicillium spp revealed
antifungal and antibacterial potentail Against a humen pathogen Vibriocholerae
(MCM B-322) produced desease cholera the cell free culture of P
chrysogenum revealed significant potential (Devi et al 2012) Many fungal endophytes
are the main source to secrete bioactive compounds (Stinson et al 2003 Corrado and
131
Rodrigues 2004 Ezra et al 2004 Kim et al 2004 Liu et al 2004 Wiyakrutta et al
2004 Atmosukarto et al 2005 Chomchoen et al 2005 Li et al 2005) Among them
seven isolates such as Hypocreales sp PSU-ES26 isolated
by C serrulata Trichoderma spp PSU-ES8 and PSU-ES38 isolated by H ovalis
and Penicillium sp PSU-ES43 Fusarium sp PSU-ES73 Stephanonectriasp PSU-
ES172 and an unidentified endophyte PSU-ES190 isolated by T hemprichii revealed
strong antimicrobial potential against human pathogens (Supaphon et al 2013) There
is eager requirement to discover novel drugs because of infectious diseases and drug
resistance microbes developing day by day Endophytic Penicillium could be a new
origin of treatments for the diseases caused by pathogens
In infectious plants fungal endophytes released the biotic stress with time
duration of 3 6 and 12 day after treatment by lowering the concentration of jasmonic
acid and salicylic acid as compare to control diseased plants Moreover these findings
reported the Penicillium citrinum (LWL4) relationship had a improved helpful impact
on plants of sunflower than Aspergillus terreus LWL5(Waqas 2015) Endophyte
naturally occurring in plants provide defense to plants by different way of mechanisms
such as the secretion of toxicant for pathogens and occasionally to disrupt the cell
membrane causing cell death of the pathogen (Ganley et al 2008 Shittu et al 2009)
Researche reported the justification of the pathogenic infections through the application
of fungal endophytes in plants like F verticillioides (Lee et al 2009) non-pathogenic
mutants of Colletotrichum magna (Redman et al 1999) Xylaria sp (Arnold et al
2003) Colletotrichum specie Fusarium nectria specie and Colletotrichum
gloeosporioides Clonostachys rosea and Acremonium zeae (Poling et al 2008)
Botryosphaeria ribis and (Mejıacutea et al 2008) In current research we assumed that the
application of endophytic Penicillium in plants might protect plants from adverse
effects of the soil born root-rotting fungi The inoculation of endophytic fungi may
inhibit the development of initial infection and prevent disease in this way not only
disease severity decreased but enhanced growth of the plant and yield (Mei and Flinn
2010) Our reseach shows that during pathogenic infection and mutual associations of
the endophytes lower the incidence of disease and improved the yield and biomass of
the plants Promotion of the host plant growth and inhibition of plant pathogen
132
infection may be increase the absorbance of nutrient which causes improved biomass of
plant and growth (Muthukumarasamy et al 2002) In the current study endophytic
Penicillium limited root-rot disease and also promote the health of the plants as
compare to control plants These are the comparision of the results as described by
Serfling et al (2007) The results similar to earlier findings on the plant growth
enhancement by endophytic fungi (Hamayun et al 2010 Khan et al 2011 2012
2013)
Endophytic P cyclopium Penicillium corylophilum P funiculosum are
recognized as GA-producers (Hasan 2002 Khan et al 2011) P citrinum (Khan et al
2008) Penicillium specie (Hamayun et al 2010) Resistance against insect attack and
pathogens enhanced by GA-producing endophytes which alter defense hormones such
as JA and SA In terms of abiotic stress (drought heat stress and salinity) these
endophytes may change the level of abscisic acid and induce resistance Endophytes
may have influencial role 0n the production of biochemicals and alter antioxidant
activities which is the main cause of improving growth of the plants(Waller et al
2005 Hossain et al 2007 Khan et al 2012 Waqas et al 2012 Khan et al 2013)
Chemical fertilizer showed negative impact on plants status The wide
applications of these inorganic fertilizers also causes deterioration to the soil fertility
by losing physiochemical and biological features of soil (Altuhaish et al 2014) In
addition a harmful effect on environment the chemical fertilizers have low level of
efficacy which may reduce nutrients uptake by the plants (Adesemoye et al 2009)
Application of organic amendments is sound known for inhibition of soil-borne
infections improving crops and yield (Ehteshamul-Haque et al 1996 Ikram and Dawar
2015 Sultana et al 2011 Lazarovits 2001 Stone et al 2003) Organic amendments
showed significant effects on crop health and production not only as a result of inhibiting
inoculum of soil pathogens but improve soil quality (Bailey and Lazarovits 2003)
Organic amendments including green manure peats and composts animal manure has
been proposed to sustain and improve fertility of soil and also soil structure for
conventional biological systems of agriculture (Cavigelli and Thien 2003 Magid et al
2001 Conklin et al 2002) and reduce occurrence level of the infections due to soil
133
containg plant pathogens (Noble and Coventry 2005 Litterick et al 2004) It is exposed
that organic amendments can be active against damages produced by fungal pathogens
such as Verticillium dahliae (Lazarovits et al 1999) Rhizoctonia solani (Diab et al 2003)
Phytophthora spp (Szczech and Smolinacuteska 2001) Pythium spp (Veeken et al 2005
MCKellar and Nelson 2003)Sclerotinia spp (Lumsden et al 1983 Boulter et al 2002)
Thielaviopsis basicola (Papavizas 1968) and) Fusarium spp (Szczech 1999) In current
research use of organic amendments like neem cake cotton cake and mustered cake
alone or with combine application of Penicillium spp significantly (plt005) increase
plant growth and cause growth reduction of root rotting fungi as compared to carbendazim
Population of total fungi and bacteria increased by organic soil amendment
which inhibit pathogens growth due to loss of ability to compete with beneficial
microbes (Gilbert et aI 1968) In our study a positive influence of numerous oil cakes
such as cake of neem and mustard on growth of plant was observed which is as
simillar as the findings of the Pandey et al (2005) and Goswami et al (2006) who
reported the use of different oil cakes such as neem and mustards in soil which showed
positive effects on growth of plant
Mixtures of Penicillium with various organic amendments applied in our study
resulted increasing the effectiveness of beneficial microobes for suppressing the fungi
causing the root rots in the present study This is same as the results of (Van Gundy
1965 Oka 2010) who described the combine effect of oil cakes and Pesturia penetrans
which change the soil features might be due to affect on nematode behaviours
(hatching movement and survival) Soil amendment resulting the decrease of the
occurrence of root knot nematodes and Fusarium spp on mung bean plants
(Ehtashamul-Haq et al 1993) Decomposition process of organic amendment released
sunbtances which produced antagonists and resistance too (Lumsden et al 1983)
which promote the inhibition of pathogen T harzianum used as a biocontrol agent with
neem cake showed significant infection on the reduction of Fusarium spp and
improved the development of plants (Nand 2002) Combine application of organic
amendment and PGPR might be resulted reduction of root-rot infections and fungal
pathogens with improved soyabean production (Inam-ul-Haq et al 2012)
134
Among agricultural fertilizer such as neem (Azadirachta indica) and its
products broadly described as a potential fertilizer (Gajalakshmi and Abbasi 2004) and
fungal diseases controlled by them (Dubey et al 2009 Amadioha 2000) insect pests
(Schmutterer 1995Ascher 1993) nematodes which parasitized by plant (Akhtar and
Mahmood 1995) bacteria (Abbasi et al 2003)) Some Studies have been revealed the
surprising potentail of neem products like neem seed oil against R solani M
phaseolina F moniliforme and (Niaz et al 2008) neem seed kernel extract against
Alternaria alternate Trichothecium roseum Monilinia fructicola Penicillium
expansum and Monilinia fructicola (Wang et al 2010) neem seeds and neem leaves
extract for control of F oxysporum Sclerotinia sclerotiorum and R solani (Moslem
and El-Kholie 2009) In our study neem cake mustard cake and cotton cake separate
or within combination of endophytic Penicillium which significantly (plt005) inhibit
the root rotting fungi and increasing the growth of plant Reduction in pre and post
emergence mortality of cotton and in the occurrence of R solani M phaseolina showed
by neem cake which is commonly used as a natural pesticide(Vyas et al 1990 Jeyara-
Jan et al 1987) Multiple nutrients which are having capacity to improve soil
characteristics are found in organic materials (Orrell and Bennett 2013) They also
provide organic substances like acids that help to breakdown soil nutrients and make
them easily accessible for the plants (Husson 2013)
Use of pesticides for reduction of root rotting fungi and plant parasites is costly
approach and resulting destruction of soil environment (Sukul 2001) Use of
bantagonist is an efficient way to overcome root rotting fungi and lethal nematodes
(root knot) (Whapham et al 1994 Ehteshamul-Haque et al 1995 1996) Usually
suppression of the plant pathogens occured by the direct secretion of toxicant such as
phenolic compounds and indirectly enhancing soil microbes by the application of soil
amendments (Shaukat et al 2001Ali et al 2001) In the present report selected
isolates of endophytic Penicillium separate or mixed use with Carbendazim Feast-M
and Topsin-M not only significantly inhibited the infection of root rooting fungi and
enhanced the growth of sunflower but mixed application also produced additional
defense against pathogen penetration and promote growth Plant centered toxicant
within organic amendments revealed promising outcomes in the management of root
135
infecting fungi present in soil (Ghaffar 1995) Organis amendments give better
environment to soil by providing energy and nutrients which support microbes and
plants to grow and survive successfully (Drinkwater et al 1995) Combination of
beneficial microbes by means of various plant colonizing forms with organic
amendment may be convenient for the inhibition of diseases by using different
biocontrol mechanisms for phytopathogens Combine application of different strains of
PGPR resulted significant inhibition of cucumber pathogens consistently (Raupach and
Kloepper 1998)
For crop protection one of the most favorable alternative approach is activation
of resistance within plant among current strategies (Walters and Fountaine 2009
Anderson et al 2006 Walters et al 2005) These alternative stratigies does not kill
phytopathogen directly (Walters and Fountaine 2009) but encouragement of natural
defence system of plant which introduces systemic acquired resistance (Vallad and
Goodman 2004) In case of abiotic and biotic stress a broad series of bioactive
compounds are release by the plant in natural environment that are injurious to
pathogens and grazing animals Phenolic phytochemicals are basic constituents of fruits
and vegetable of bioactive compounds that function as a resistant against insect and
herbivores (Stevenson et al 1993) Due to their significant protective biological role
phenolic compounds are pervasive in all plants so found in all nutrients In plants
resistant reaction of phenols resulting in the separation of phytopathogens which are
categorized due to the quick and early accumulation of phenolics at the infection site
(Cheacuterif et al 1991)
Phenolic compounds are impotant bioactive metabolites can act as antioxidants
against oxidative stress which leads many benefits to plants (Urquiaga and Leighton
2000 Grassmann et al 2000) also termed as free radical- scavengers Phenolic
compounds and antioxidants have close relation (Kumar et al 2008) Phenolic and
lycopene compounds are carotenoids a big source of antioxidants present in tomatoes
richly (Pinela et al 2011 Sahlin et al 2004 Ilahy et al 2001 George 2004)
Organic tomatoes are economically important with relation to conventional tomatoes
(Kapoulas et al 2011) due to their improved quality and ecofriendly nature Phenolic
136
compounds gives better taste as compared to conventional fruits (Benbrook 2005) In
our research better quality of okra and tomato fruits are produced by endophytic
Penicillium as compared to chemical fungicides and control in both screen house and field
condition
In the present study endophytic Penicillium not affected pH of fruit juice of
okra and tomato compared to untreated plant fruits Our findings were in line with (Oke
et al 2005 Carrijo and Hochmuth 2000) who described that pH of tomato fruit juice
not changed by phosphorus use Combine use of endophytic Penicillium with
Psuedomonas montellii improved TSS (total soluble solids) and tritable Acidity of okra
fruit Total soluble solids consist of acids sugars and other constituents existing in THE
fruits of the tomato (Balibrea et al 2006) Instead of inorganic fertilizer application of
biocontrol agents significantly increased brix content in tomato (Oke et al 2005)
The improved quality of fruit Ash content due to the high utilization of the nutrients
of the soil (Mauromicale et al 2011) The variation present in total soluble solids might
be due to the variability of the gene(Riahi et al 2009) In addition of chemical fertilizer
to soil had a significant function in food safety but however made soil harder that
resulted destruction in soil quality (Lai et al 2002) and the soil mineral absorption
decreased through roots Similarly from the soil availability or absorption of mineral
nutrients due to greater moisture content that improved prescence of mineral in soil
(Van veen and Kuikman 1990)
In the present research application of endophytic Penicillium significantly
impoved the carbohydrate protein antioxidant and polyphenol contents of the tomato
and okra fruits The increment of root surface area ultimately increased water
absorption and nutrient uptake due to endophytic Penicillium increased the above
contents These findings are an agreement with Rashed (2002) who described that
antagonistic microbes improved nutrient uptake (El-Ghadban et al 2002)
The biofertilizers impact positively on okra fruits was confirmed by previous
studies described by (Adediran et al 2001 Adejumo et al 2010) The photosynthetic
activity will also be improved as a consequence of improved interception of light when
137
all nutrient is in the right proportion (Subbarao and Ravi 2001) which ultimately
improves vegetative growth and efficient transport of photosynthetic product from
source to sink
Therapeutic effects of active compounds from fungal source have been noticed
from several years and new drugs have exposed and obtained extracted from the
endophytic fungi (Teakahashi and Lucas 2008 Hormazabol et al 2005) A new
endophytic fungus Muscodor albus was isolated from cinnamon tree (Cinnamomum
zeylanicum) formed volatile compunds that executes fungi causing disases (Strobel et
al 2001 Strobel 2006) (Liu et al 2013 Raghunath et al 2012) has discoverd two
new compouds named as nigerasterols A 6 8 (14) 22-hexadehydro-5α9 α-epidioxy-
315-dihydroxy sterols and B from endophytic fungi (Aspergillus niger)
23 compounds were isolated from endophytic Penicillium regulosum mycelia
Hexane fraction of mycelium were characterized by GCMS to identify the chemical
compounds most of them are hydrocarbon fatty acid alcohol and benzene derivatives
Some compounds were characterized from our isolate such as Widdrol hydroxyether
Eicosane Oleic acid Ethyl Oleate and 2-Aminofluorescein Because of the prescence of
these chemical compounds this fungus might have a capability to act against pathogenic
bacteria and fungi and showed a promising result against both type of bacteria such as
gram-ve and gram +ve
Adametizine A produced by Penicillium sp having antibacterial activity against
Aeromonas hydrophila Vibrio harveyi Staphyloccocus aureus Vibrio parahaemolyticus
and antifungal activity against Gaeumannomyces graminis (Liu et al 2015) Arisugacin
K produced by Penicillium sp having antibacterial activity against Escherichia coli (Li et
al 2014) Cillifuranone produced by Penicillium sp having antibacterial activity against
Xanthomonas campestris and antifungal activity againsts Septoria tritici (Wiese et al
2011) Comazaphilones produced by Penicillium sp having antibacterial activity against
S aureus Pseudomonas fluorescens Bacillus subtilis (Gao et al 2011) Communol A
FndashG produced by Penicillium sp having antibacterial activity against Enterobacter
aerogenes E coli (Wang et al 2012) Conidiogenone B produced by Penicillium sp
138
having antibacterial activity against Pseudomonas fluorescens Pseudomonas aeruginosa
Staphylococcus epidermidis S aureus mr and antifungal activity against Candida
albicans (Gao et al 2011) Dictyosphaeric acid A produced by Penicillium sp having
antibacterial activity against S aureus Enterococcus faecium S aureus mr and
antifungal activity against C albicans (Bugni et al 2004) Isocyclocitrinols produced by
Penicillium sp having antibacterial activity against Enterococcus durans S epidermidis
(Amagata et al 2003) Peniciadametizines produced by Penicillium sp having antifungal
activity against Alternaria brassicae (Liu et al 2015) Penicifuran A produced by
Penicillium sp having antibacterial activity against Bacillus cereus Staphylococcus
albus (Qi et al 2013) Penicilactone produced by Penicillium sp having antibacterial
activity against S aureus mr (Trisuwan et al 2009) Penicimonoterpene produced by
Penicillium sp having antibacterial activity against E coli A hydrophila S aureus
Micrococcus luteus V parahaemolyticus and V harveyi (Zhao et al 2014) and
antifungal activity against A brassicae Aspergillus niger Fusarium graminearum (Gao
et al 2011 and Zhao JC et al 2014) Penicisteroid A which is produced by Penicillium
sp having strong antifungal activity in response to A brassicae A niger (Gao et al
2011) Penicitide A which is produced by Penicillium sp having stronge antifungal
activity in response to A brassicae A niger (Gao et al 2011) Penicyclones AndashE islated
from Penicillium sp having antibacterial activity against S aureus (Guo et al 2015)
Perinadine A which is produced by Penicillium sp having antibacterial activity against
B subtilis M luteus (Sasaki et al 2005) Pinodiketopiperazine A produced by
Penicillium sp having antibacterial activity against E coli (Wang et al 2013)
Scalusamide A produced by Penicillium sp having antibacterial activity against M luteus
and antifungal activity against Cryptococcus neoformans (Tsuda et al 2005) Terretrione
D produced by Penicillium sp having antifungal activity againsts C albicans (Shaala
LA et al 2015) and Xestodecalactone B produced by Penicillium sp having antifungal
activity againsts C albicans (Edrada et al 2002) These references supports our results
that our isolate have antimicrobial activity It also have showen a positive result on the
growth of the by enhancing the plant growth and also suppressing infection of root rot
fungi almost in all crops which are experimented
Conclusion
139
There is eager need for natural (environment friendly) chemotherapeutic and
agrochemical agents instead of synthetic toxic chemicals Natural products produced by
endophytes have been tested against infectious agents against plant pathogens One of the
single greatest challenge is control of soil-borne pathogens including parasitic nematodes
facing recent agriculture worldwide Soil-borne fungi and fungi like organisms
including Macrophomina phaseolina Fusarium species Phytophthora spp
Rhizoctonia solani and root knot nematodes commonly (Meloidogyne species) result
severe economic damages both in greenhouse and field production system In
agricultural and pharmaceteucal industry application of endophytes with their related
benefits has now been new approach in rescent years Despite the assistances related to
endophytic bacteria and fungi in plant disease management they are still largely
unexplored Genus Penicilium has been familiar for their significant secretion of
secondry metabolites among them and was also found to play important function in
plants against stress tolerance Penicilium spp secrete a variety of pharmaceutically
vital compounds with antibacterial antifungal insecticidal and nematicidal activities
In this study endophytic Penicillium isolated from healthy plants revealed
significant potential against root infecting fungi both in field condition and screen house
Although endophytes are now widely used in other different fields
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140
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vii
Penicillium spp
36 In-vitro antimicrobial activity of fractions of culture filtrates
361 In-vitro antifungal activity of n-hexane soluble fractions of
culture filtrates
362 In-vitro antibacterial activity of n-hexane soluble fractions of
culture filtrates
363 In-vitro antifungal activity of chloroform soluble fractions of
culture filtrates
364 In-vitro antibacterial activity of chloroform soluble fractions of
culture filtrates
365 Compounds from n-hexane fraction of mycelium of Penicillium
rugulosum
37 Screen house experiments
371 Effect of endophytic Penicillium in soil amended with neem cake
in suppressing the root diseases and growth of sunflower (2016)
372 Effect of endophytic Penicillium in soil amended with neem cake
in suppressing the root diseases and growth of Sunflower (2017)
373 Effect of endophytic Penicillium in soil amended with neem cake
in suppressing the root diseases and growth of mung bean
374 Effect of Endophytic Penicillium and Cotton cake in suppressing
the root diseases and growth of Mung Bean
375 Effect of Endophytic Penicillium in suppressing the root diseases
and growth of Mung Bean
376 Effect of endophytic Penicillium in soil amended with neem cake
in suppressing the root diseases and growth of tomato
377 Effect of endophytic Penicillium in soil amended with cotton
cake in suppressing the root diseases and growth of tomato
378 Effect of endophytic Penicillium in soil amended with neem cake
in suppressing the root diseases and growth of chickpea
379 Effect of endophytic Penicillium insoil amended with mustard
viii
cake in suppressing the root diseases and growth of chickpea
3710 Effect of endophytic Penicillium and fungicides in suppressing
the root diseases and growth of sunflower
3711 Effect of endophytic Penicillium as soil drench on growth of
okra plants
3712 Effect of endophytic Penicillium as soil drench on growth of
tomato plants
38 Field Experiments
381 Effect of Pseudomonas monteilii and endophytic Penicillium as
soil drench on growth of okra plants in soil under field condition
382 Effect of Pseudomonas monteilii and endophytic Penicillium as
soil drench on growth of tomato plants in soil under field condition
4 DISCUSSION
ix
EVALUATION OF BIOCONTROL POTENTAIL OF ENDOPHYTIC SPECIES OF
PENICILLIUM AGAINST ROOT ROTTING FUNGI AND ROOT KNOT
NEMATODE
SUMMARY
Endophytes are either bacteria or fungi that reside in the tissues of the plant without causing
any apparent symptoms Some endophytic microorganism may promote growth of plants
help in uptake of nutrients and increase the ability to bear environmental stresses like
salinity drought and reduce biotic stresses During our study plants were collected from
different localities in Karachi Pakistan like Memon Goth Kathor Gadap Gharo Malir and
University of Karachi campus from which endophytic Penicillium were isolated Out of the
eighty samples of the plant 14 isolates of endophytic Penicillium isolated (root stem and
leaves) from wild plants (Achyranthus aspera Atriplex stocksii Euphorbia hirta
Chorchorus tridens) and cultivated plant (Solanum melongena Lycopersicon esculentum
Helianthus annuus Azadirachta indica Abelmoschus esculentus Momordica charantia)
Species of Penicillium identified as P asperum P lilacinum P purpurogenum P
nigricans P rugulosum P restrictum P duclauxi P citrinum P thomii P lividum and P
javanicum Identification of selected isolates of Penicillium was also confirmed by using
molecular biology tools
Antimicrobial activity of 14 endophytic isolates of different species of Penicillium
tested against common fungi (root rotting) viz F oxysporum Fusarium solani
Macrophomina phaseolina and Rhizoctonia solani by dual culture plate assay All EP
isolates showed significant result produced by the inhibition zone Nematicidal potential of
cell free culture filtrates of endophytic Penicillium also has shown significant results After
24 hour 50nematicidal potential showed by Ppurpurogenum (EP-3) while after 48 hours
all other isolates showed 100 mortality
Culture filterates of endophytic Penicillium caused growth suppression of bacteria
Salmonella typhimurium Bacillus subtilis Escherichia coli and Staphylococcus aureus As
concentration increased biocontrol potential of culture filterates of EP increased as well
These outcomes show that endophytic Penicillium could be fullfil the need of discovering of
x
new antibiotics Culture filtrates of Penicillium also showed activity of fungicidal against
root rotting fungal pathogens Fsolani Rsolani Mphaseolina Rsolani and Foxysporum
by making inhibitory zone Cuture filterates of 60 microldisc showed more effective results than
20 or 40 microldisc Fractionation of cell free culture filtrates of viable isolates of our
Penicillium (EP) was made in solvents ie chloroform and n-hexane and showed strong
antibacterial and antifungal activity against above described pathogens These results
showed that secondry metabolites having compounds with strong antimicrobial potential
Secondary metabolites producing from endophytic Penicillium spp offer an stimulating
area of investigation for the encounter of novel antimicrobial compounds Hexane fraction
of mycelium of promising isolate EP-5 showed prescence of chemicals
In current research antagonistic potential of Penicillium was assessed against
phytopathogens on sunflower (Helianthus annuus) chickpea (Cicer arietinum) tomato
(Lycopersicon escolentum) mungbean (Vigna radiata) and okra (Abelmoschus esculentus)
in field and screen house experiments Inhibitory affects on Foxysporum Rsolani Fsolani
and Mphaseolina showed by many endophytic Penicillium which causes healthy plant
growth by improving plant length fresh shoot weights in both type of experiments (Screen
house and field) In some experiment polyphenol and antioxidant activity also showed
significant result which might be due to resistance produced by endophytes Endophytic
Penicillium treated plants produced fruits which is better in quality as compared to control
Endophytic Penicillium associated with healthy plants is a source of new bioactive
metabolites which could be exploited in plant protection and also in medicine
xi
xii
1
1 INTRODUCTION
11 Endophytic fungi
Agricultural production passes through heavy loss due to different abiotic and
biotic stresses Most of the economic areas of the world is agriculture it is the most
eager need of the decade to discover and to create the best approach for sustainable
agriculture and development in crop growth (Rai et al 2014) Endophytes are
microorganisms that live inside the plant tissues for atleast in their life cycle that produce
no visuallized symptoms to the host (Bacon and White 2000) Inside the living host plant
tissues an expensive symptomless plant-microbe association build this phenomena called as
Endophytism(Kusari and Spitteler 2012b) During this complex relationship both partners
can be represented as extremely keen mutualism individual benefits depend on both of them
But their relation might be shift toward parasitism or saprophytism or concerning further
dedicated collaboration with time (Millet et al 2010 Zuccaro et al 2011) Recent studies
proposed endophyte-host plant relations are inconstant and showe a relationship between
mutualistic to antagonistic (Saikkonen et al 1998) Mutual relationship between
photosynthetic organisms and fungi earliest and universal (Berbee 2001 Alexopoulos et
al 1996) Evidence showed the presence of microorganism inside the plant tissues from
the the time of the emergence of higher plant on the earth (Redecker et al 2000) Since
the end of 19th century the inoculum of fungi in symptomless plant has recognized
Guerin (1898) Azevedo (1998) and Endophyte word was first suggested in 1866 de
Bary (1866) Endophytes initially defined in Darnel (Lolium temulentum) Freeman
(1904) they isolated it from wide range of plants from arctic to tropics and from
cultivated to wild ecosystems (Arnold 2007) and so far atleast one endophyte have been
found in all living plants species (Dutta et al 2014)
There have been numerous revisions on the relationship of endophyte and plant
particularly for grasses for instance tall fescue where it has been revealed that
endophytic fungus Neotyphodium coenophialum produce toxins that act as defensive
agent against their predators including insects and other grazing animals (Bultman and
Murphy 2000 Bacon et al 1977) it was found that this fungus could be beneficial for
2
enhancing their host tolerance against stresses of abiotic and biotic (Schardl et al 2004
Saikkonen et al1998) In between other symbiotic associations fungal endophytes are
most commonly competitive (Staniek et al 2008) Fungal endophytes are a very varied
polyphyletic group of microorganism that lives inside host stem leaves and also in roots
Endophytes fungi are present above ground parts of plant which make different from
mycorrhizal fungi but also present in roots Fungi related to rhizosphere and roots of the
plants and had positive effect on the growth of plant and recognized as PGPF (Plant
growth promoting fungi) The significant of PGPF belongs the genus Gliocladium and
Trichoderma (Altomare et al 1999) have proficient of inhabiting the plant roots (Gera Hol
and Cook 2005) Endophytes are considered as avirulent opportunistic plant symbionts
and develop systemic resistance in plants just like rhizobacteria (Harman et al 2004)
Similarly endophytic Acremonium lolii and A coenophialum exposed antibiotic formation
against a variety of fungal plant pathogens in culture (White and Cole 1985) Fungus
Muscodor produced volatile compounds which is mostly used as a fumigants in soil (Ezra et
al 2004 Mercier and Manker 2005) In our previous report endophytic Penicillium spp
isolated from Salvadora species showed noteworthy antimicrobial activity (Korejo et al
2014)
Against numerous diseases many endophytes have capability to produce different
secondry metabolites that have therapeutic effect (Kharwar et al 2011 Kusari and
spiteller 2012b)
12 Endophytic Penicillium
In recent search for agricultural and pharmaceutical industries to develop a
effective products Natural products have been recognized as a therapuetic agents and play
a important role in nature So the search is carried out for the production of novel
bioactive metabolites from organisms that reside novel biotopes Endophytic fungi
populate such a biotope (Schulz et al 2002) The genus Penicillium is a group of more
than 200 species inhabiting fibre fruits food items soil marine and various species of
plants (Korejo et al 2014 Gong et al 2012) In same way species of Penicillium
deliberated as soil inhabitant and present as a toxicant on foods materials like fibers
starchy materials and fruits but species of Penicillium have been reported in the form of
3
endophytes and play significant role in plants towards tolerance of stress(Khan and Lee
2013 Waller et al 2005) Fungal endophytes is used as a ironic source of secondry
metabolites for agricultural and medicinal practices (Schulz et al 2002) and lot of exposed
(Huang et al 2008)
Endophytic Penicillium species are the producers of diverse variety of secondary
metabolites (Zhang et al 2006 Schulz and Boyle 2005) ie various penicillins PR-
toxin polyketides xanthoviridicatins E and F chrysogine Chrysogenamide A
sorrentanone xanthocillins secalonic acids sorbicillactones A B sorbivinetone
Ochratoxin A (Hoog et al 2000 Singh et al 2003 Gerhard et al 2005 Vega et al
2006 Lin et al 2008) Penicillium species are known to have antifungal algicidal and
antibiotic activities (Meng et al 2011)
13 Role of endophytic Penicillium in growth of plant
Though current studies have revealed that growth enhancement of plant might be
the reason of the production growth promoting secondary metabolites (gibberellins auxin
cytokinin) from plants due to the prescene of endophytic fungi in the rhizospheric region
(Hamayun et al 2010a) Endophyte and plant relationship have the mojor influence on
plant growth promotion (Hassan et al 2013) though endophytic fungi may be responsible
to enhance the growth of the plant in order to secrete different chemical compounds like
ammonia indole acetic acid (IAA) and phytohormone and (Bal et al 2013) Usually
indole acetic acid acts as growth promoter plants by enhancing cell division and cell
elongation and is necessary for differentiation of tissues of plant (Taghavi et al 2009)
Soil microorganisms have a potential to synthesis a wide range of indole acetic acid that
play a role in plant development (Spaepen and Vanderleyden 2011) on other hand
endophytic fungi isolated from different parts of plants which indicated high amount of
indole acetic acid as compared to those isolates isolated from root-free soil (Spaepen et al
2007) The important role of indole acetic acid in growth of the plant in addition to the
potentail of fungal endophytes to secretes indole acetic acid has increased attention due to
their effectiveness on the concentration and supply of indole acetic acid in tissues of the
plants
4
Endophytic fungi have been considered as producers of phytohormones which act
as strong plant growth enhancer These outcomes proposed that endophytic fungi obtained
in the study produced bioactive metabolites which play magnificent roles in stimulating
growth of the plants (Khan et al 2015) Endophytic Penicillium species produced wide
range of Indole acetic acid and gibberellins thus increases plant growth Gong et al
(2014) reported the effect of Penicillium oxalicum on enhancement of growth of maize
plants where they observed that P oxalicum stimulate the growth of maize plants due to its
phosphate-solubilizing ability
14 Role of endophytic Penicillium as resistance inducers in plant stress
Systemic induced resistance have played a vital role in the survival of the plants to
protect themselves in response to pathogenic organisms (Lim et al 2006) It seems in
almost all plants in response pathogenic attack treated with different organic amendments
and chemicals Phytohormones are present extensively in plant parts Plants secrete an
enormous range of chemicals that are toxic to their predators Phenolic compouds are
bioactive chemicals which are common elements of fruits and vegetables act as defensive
agent against insect and grazing animal (Stevenson et al 1993) In the plants growth
phytochemical compounds which have low molecular weight such as phenolic show a
dynamic part and its production and secretion may be due to both biotic and abiotic factors
(Joachim et al 2007) Phytochemicals protect plants towards abiotic and biotic stresses
and therefore are produced against pathogens attack which are exposed to high energy
radicals like the exposure of UV radiation (Briskin 2000) Due to the significant defensive
roles phenolic phytochemicals have pervasive in most of the plants and find specific place
in most of the groups of foods Cherif et al (1991) reported that phenolic compound play
role in resistance of the plants which are accomplished by the rapid accumulation of at the
infection site resulting in the prevention of the pathogen The function of phenolic
compounds in inhibition of the pathogenic infection which act as a barriers to a
pathogens and develop resistance broadly Imporatant groups of compounds termed as
scavengers of oxygen free radical or antioxidants used to resist the phytopathogen and
protection of the oxidative stress of environment (Conceica et al 2006 Wanas 2006)
Numerous studies demonstrate that soil-borne fungal diseases controlled by antioxidants
5
(Dmitriev 2003) with increasing the phytophenolic compounds which increasing plant
growth development and defense against disease Antioxidants used successfully to
control most of the diseases in plant like Fusarium wilt of chickpea plants(Nighat- Sarwar
et al 2005) in tomato (Mohamed et al 2007) pod rot and peanut root (Elwakil 2003
Mahmoud et al 2006) in pepper damping- off (Rajkumar 2008) faba bean of chocolate
spot (Hassan et al 2006) and in the lupine leaf blight and root rot (Abdel-Monaim 2008)
Antioxidants eg salicylic benzoic acids ascorbic propylgalate in cumin in the form of
seed soaking or in other way such as soil drenching showed protection of diseases
occurred by f spcumini and Fusarium oxysporum (Mostasa 2006) The mechanism of
antioxidants was described in many host-pathogen relations such as a wide range of
enzymes like polyphenol oxidase ascorbate oxidase peroxidase and catalase identified
againsts pathogen infection (Clark et al 2002) or outcomes of most of the treatments with
different antioxidants activity ( El-Khallal 2007 and Abdel-Monaim 2008)
In organic agriculture biocontrol agents have different mode of actions including
production of metabolites against pathogens mycoparasitism competing their place and
their nutrients uptake growth promotion of plants and stimulation of defense mechanim in
most of the plants (Chet et al 1997 Howell 2003) This original biological approach
encourages natural resistances of the plants which leads towards systemic resistance
(Vallad and Goodman 2004) instead of apply effects on the most of the plant pathogens
(Walters and Fountaine 2009) Metabolites produced by biocontrol agents against
pathogenic fungus are main factor to discovering them Many researchers are discovering
bioactive chemicals synthesize by microorganism that control most of the diseases of the
plants (Dowling and OrsquoGara 1994) Induction of systemic resistance through biocontrol
agents changed the certain biochemicals of plant which can consider as resistance markers
(Schonbeck et al 1981) including enzymes accumulation like peroxidase (He et al
2002) It was shown that due to systemic acquired resistance in tomato activation of the
defensive mechanism occurs by the insects (Murugan and Dhandapani 2007) viruses
most of the nematodes bacteria and endophytic fungus (Anfoka and Buchenauer 1997
Laporte et al 2007 Molinari 2008 Vasyukova et al 2007Mandal et al 2009 Hase et
al 2008 Park et al 2008) In the same way Shafique et al (2016) studied that combine
use of the oil cake and P lilacinus and PGPR enhance growth of plant that also suppress
6
the infection of root rotting fungi by improving antioxidant activity and polyphenols
contents of the okra plant
Endophytic microorganisms produce secondary metabolites which are crucially
important as parasiticide insect antifeedent and pathogen inhibitors (Meng et al 2011)
Other benefits for host plant include increased resistance to heavy metals salinity and heat
stress improved drought tolerence protected from grazing animals introduced systemic
resistance to pathogens and promoted growth (Redman et al 2001 Clay and Schardl
2002 Marquez et al 2007 Tejasawi et al 2007) Hence Endophytic fungi increase the
ecological survival of plants by increasing resistance towards abiotic and biotic stress
factors (Schulz and Boyle 2005 Gonthier et al 2006) Hossain et al (2014) reported the
part of Penicillium sp in developing systematic resistance to cucumber infection of leaf
caused by anthracnose phytopathogen Colletotricum orbiculare in the cucumber
Similarly Khan et al (2015) studied the effect of P janthenalum in producing tolerance
against aluminum stress in tomato plants Penicillium endophytes are also help plants to
tolerate stress of salinity by regulating plants hormones (Khan et al 2013 Khan et al
2015) Penicillium strains are safe to environment as they reduces the level of salinity and
increase growth of the plants (Leitao and Enguita 2016)
Furthermost fungal endophyte facilitates induction of systemic acquired resistance
in most of the plants (Bailey et al 2006 Nassimi and Taheri 2017) and play a vital role in
safety and control of infection of plants Endophytic fungi play a chief part in growth
promotion of plant higher production of seed and resist plants against several abiotic
biotic stresses and infections Most of them are produce compounds against pathogenic
microbes phytohormones and different bioactive agrochemicals Eco-friendly and
economically active agricultural products are developed by many potential endophytes
(Rai et al 2014) Penicillum chrysogenum produces hypocrellins B and C which have
strong antifungal activity (Meng et al 2011)
15 Soil-borne diseases
Diseases which are caused by organisms persists in soil and debris on soil surface
are known as soil borne diseases and the organisms which causes such diseases are soil-
7
borne pathogens Soil-borne pathogenic fungi reside for several years in soil in the form of
various dormant structures viz chlamydospores melanized hyphae sclerotia and oospores
and are major cause of lowering yield and quality of plant products (Baysal-Gurel et al
2012 Koike et al 2003) Whereas nematodes survive in soil as free organisms cysts or
eggs (Koike et al 2003) Soil borne pathogens infect belowground along with foliar
tissues of plants The well-known diseases produced by soil-borne fungi are the rots which
effect underground tissues of plants and vascular wilts While some soil-borne pathogens
effect the above ground tissues of plants (Koike et al 2003) Soil-borne diseases are more
harmful under poor soil conditions ie inappropriate drainage system low range of
organic matter low level of fertility poor soil structure and high compaction level of the
soil (Abawi and Widmer 2000)
16 Soil-borne root rotting fungi and nematode
Among the plant disease causing organisms nematodes which parasitized plant
resulted loss upto 100 billion US$ to the agriculture world annualy and approximately 500
million US$ is wasted on control of nematode (Saifullah et al 2007) Whereas the
infection of root rot caused by Rhizoctonia solani Macrophomina phaseolina Fusarium
species Pythium species and Phytophthora species are most common in the crop plants
producing billions $ losses every year
Infections produced by soil borne pathogens includes damping off root rots and
wilts by Fusarium Phythium and Rhizoctonia Phytophthora verticillium and nematodes
species Fusarium oxysporum and its more than 70 species are known to cause root wilt
and root rot diseases in variety of plants species including tomato plants (Kistler 1997)
Species of Cephaliophora Bipolaris Cephalosporium Corynascus Curvularia
Exerohilum Botryodiplodia Fusarium Melanospora Nigrospora Rhizoctonia
MacrophominaSclerotium and Stemphylium are also potent plant pathogens in Pakistan
(Shahzad and Ghaffar 1995) Root knot nematodes are the members of genus Meloidogyne
(Sharon et al 2001 Taylor and Sasser 1978) Globally 26 of crop losses are resulted by
pathogens (Khan et al 2009) Nematodes alone cause 5 of worlds crop losses (Sasser
and Carter 1975) Soil-borne root infecting fungi and nematodes not only produce diseases
8
in plants but also decrease the biomass of plants and severely decrease the yield of crops
and sometimes even death of plant may occur
Nematodes (Meloidogyne spp) parasitized inside specialized type of feeding cells
into the plant tissues directly and remained inside the plant tissueon the otherhand
parasitic type of fungi also penetrate into the tissues of host and absorbs the nutrients Soil
and rhizosphere microorganisms are difficult to control because of tissues around them So
these endo-parasitic nematode and fungi may be able to control by endophytic
microorganisms colonizing around plant root tissue because they occupies same space and
are come in contact with each other (Hallman et al 1997) Hallman and Sikora (1994
1996) demonstrated that endophytic Fusarium oxysporum isolated from tomato roots had
determental effect on Meloidogyne incognita Colonization of tomato roots by the
endophyte resulted in 60 reduction of Mincognita infestation
Charcoal rot disease produced by Macrophomina phaseolina which is soil
inhabiting fungus having diverse type of distribution and have hazardous to the
production of the crops in most of the arid areas over 500 plant species (Ijaz et al 2012)
17 Biological control
Biological control is the management of components of ecosystem in order to
protect plants against pathogens It ensures the preservation of environment by no use of
chemicals (Barea and Jaffries 1995) Most of the fungi used as a biocontrol agents and
have long been studied and various reports are available Such as Perveen et al (1994)
reported the effectiveness of Fusarium oxysporum in order to reduce the infection of the
Macrophomina phaseolina Fusarium solani and Rhizoctonia solani Trichoderma species
have been known for so long as biological control agent of soilborne pathogens and also
act as a symbionts of the plants (Harman and Shoresh 2007) Further they suggest that F
oxysporium is a potential biocontrol agent against these pathogens in tomato and okra
Later Siddiqui and Shaukat (2003) tested Pochonia chlamydospora against Fusarium sp
Rsolani and M phaseolina and found it effective against these pathogens Siddiqui et al
(2000) and Waqas et al (2012) investigated the effects of Penicillium and Phoma
glomerata species on the cucumber in drought and saline stress and reported that these
9
endophytic fungal species increases biomass and growth of economically important crops
Major application in agriculture pharmaceutical and commercial utilization of these
endophytic fungi
The current research focused on the isolation and identification of the endophytic
Penicillium species which is associated with plants which are healthy plants and
evaluation of their antagonistic potential against root rotting fungi using sunflower
munbean tomato chickpean and okra as test crops The report also describes the extraction
and characterization of some new compounds from mycelium of Pregulosum
10
2 MATERIALS AND METHODS
21 Collection of plants for isolation of the endophytic Penicillium spp
Survey of various agricultural fields of Kaarchi and its suburb like Karachi
University campus Memon Goth Kathor Gadap Gharo and Malir were carried out
Healthy wild and cultivated plants alongwith roots were selected collected and were
transported to laboratory and preserved at (4oC) untill Penicillium were isolatedround
about (24) hours
22 Isolation and identification of endophytic Penicillium
1 g of th sample of the plant either stem root or leaves was separately cleaned
sanitized in 1 bleech for (3) min then with (70) alcohol for (3) min and then washed
with the help of distilled H2o Each sample was chopped in sterilized grinder with 50mL
sterilized water and dilutions of each sample were made upto 1104 and further proceed as
described by Korejo et al (2014) and fungal growth fungi were identified with reference
to Barnett and Hunter (1998) Domsch et al (1980) Dugan (2006) Raper and Thom
(1949) and Visagie et al (2014)
221 Molecular strain typing of promising isolates
The selected endophytic Penicillium isolates P rugulosum (EPAAR5) P
decumbens (EPAIR6) P nigricans (EPSLR4) P asperum (EPHAL10) and P
purpurogenum (EPEHS7) initially identified by morphological characters were further
subjected to molecular identification and strain typing bythe PCR (polymerase chain
reaction) based on molecular techniques recently described (Habiba et al 2018)
Briefly five days old strains grown (1 mL) in broth of YPD at 26degC and cells were
harvested by centrifugation (Hanil Korea) for (14000 rpm) for (10 min) at room
temperature Genomic DNA extraction kit (Norgen biotek Canada) was used for fungi as
per vender instruction while quality and purity of the genomic DNA established in
nanodrop (Nano-Drop 200 Thermo Scientific USA) In case of molecular identification t
rDNA-ITS4 ITS1-58S regions amplified with the help of the primers ITS1 (5acute-
11
TCCGTAGGTGAACCTG CGG-3acute) and ITS4 (5acute-TCCTCCGCTTATTGATATGC-3acute) as
initially described Karimi et al (2015) Reactions of the PCR were performed consisting of
genomic DNA (150 ng) primer set (16 μM each) Dream Taq Master Mix (2x Thermo
Scientific USA) and nuclease free water to a final volume of 20 μL Thermal cycling
carried out in a Master cycler (ProS Eppendorf Germany) with an initial denaturation step
(4 min at 94 ordmC) followed by 40 cycles of denaturation (45 s at 94 ordmC) annealing (45 s at 55
ordmC) and extension (1 min at 72 ordmC) and a final extension at 72 ordmC for 7 min
For genetic variation between the strains Random Amplified Polymorphic DNA
(RAPD) PCR was performed with specific oligonucleotide primer M13 (5acute-GAGGGTGG
CGGTTCT-3acute) as described by Zahid et al (2017) Briefly PCR were performed in a total
volume of 20 microL comprising of genomic DNA (25 microL) primer M13 (16 microM) 2x Dream
Taq PCR mix (10 microL) with additional 1 mM MgCl2 and 10 DMSO (Sigma-Aldrich
USA) Thermal cycling was carried out in a Master cycler (ProS Eppendorf Germany) with
an initial denaturation step (5 min at 95 ordmC) followed by 35 cycles of denaturation (30 s at
90 ordmC) annealing (1min at 40 ordmC) and extension (8 min at 65 ordmC) and a final extension at 68
ordmC for 16 min
PCR products (~10 microL) were subjected to 2 agarose gel electrophoresis
containing ethidium bromide (05 μgmL) 1kb DNA ladder (Fermentas USA) was used to
calibrate the sizes
23 Isolation of the soil borne fungi
231 Soil dilution technique for the iolation of Fusarium species
Fusarium were isolated by soil dilution technique (Nash and Snyder 1962) as
described by (Urooj et al 2018) and identified by Nelson et al (1983) and Booth (1971)
12
232 Baiting technique for the isolation of (Rhizoctonia solani)
Rhizoctonia solani were isolated through baiting technique and identified
(Wilhelm 1955) as described in previous report (Urooj et al 2018)
233 Dilution and wet sieving technique for the isolation of (Macrophomina
phaseolina)
Macrophomina phaseolina were isolated by using techniques (wet sieving and
dilution plating)Sheikh and Ghaffar (1975)
24 In vitro determination of antifungal activity of Penicillium species by dual
culture plate assay
For determination of fungicidal potential of Penicillium spp four common fungi
(root rotting) viz Rhizoctonia solani F oxysporum Macrophomina phaseolina and
Fusarium solani were chosen A disc of the 5 mm of the test and fungi (root rotting) was
inoculated on the opposite side of the Petri dish of 90 mm which was poured with CDA
(Czapeks Dox Agar) pH (72) and incubated (28degC) for (5 days) Inhibition zone was
measured in mm (Korejo et al 2014) Experiment were repeated thrice and replicated four
times
25 Inoculation of the nematode (root knot)
Pure culture of the root knot nematode (Meloidogyne javanica) obtained through
egg masses attached on infected brinjal root Roots were washed under tap water was used
to washed te roots thoroughly stereomicroscope was used to collect egg masses and
transferd in cavity blocks having distilled water and left for the hatching (at room
temperature) after 48 hours juveniles were hatched and proceed for the experiment
27 Preparation of culture filtrates
Culture filtrates of test Penicillium spp were obtained by growing 5 mm disc of
culture in 100 ml of CDB (Czapekrsquos Dox broth) in (250 ml) flask After (15 days) of the
13
incubation (25-30degC) culture filtrate were collected by filteration and 1-2 drop of
chloroform were added to prevent further growth of any contaminant
28 Determination of antifungal activity of culture filtrates of Penicillium species
in vitro
Culture filtrate were loaded at concentration of 20 40 and 60 microl on thick sterile
filter paper discs and dried and placed in clock wise manner according to concentration in
the plates containing Czapekrsquos Dox Agar Disc of test fungus were inoculated in centre of
plates CDB (Czapekrsquos Dox broth) used as a control and 20 microgdisc carbendazim used as a
positive controlAt 30degC Petri dishes left for (5-7 days) and between test fungus and disc
distance was measured as a inhibition zone Qureshi (2003)
29 In vitro antibacterial activity of culture fitrates of Penicillium species
To examine the activity of secondary metabolites of Penicillium spp against
bacteria lawn of test bacterium was prepared in 90mm petri dishes containing Nutrient
Agar medium Culture filtrate of each Penicillium sp at 20 40 and 60 microldisc were loaded
on thick sterile filter paper discs and dried and placed in clock wise manner according to
concentration in the plates having bacterial lawn with nutrient Agar A disc of 5 mm of test
fungus was inoculated in the centre of the plate Discs loaded with sterile broth of
Czapekrsquos Dox served as control whereas penicillin 20microgdisc used as positive control for
the gram positive bacteria and streptomycin 20microgdisc used as a positive control for gram
negative bacteria Petri dishes were kept at 30degC for (2-3 days) The inhibition zone were
measured in mm
14
210 In vitro nematicidal activity of culture filtrate of Penicillium species
To examine the nematicidal potential of the culture filtrate 1 ml of culture filtrate
was filled in a cavity blocks containing 15 picked second stage nematode (Meloidogyne
javanica) larvae As a +ve control distilled H2O water was used 2ml The cavity blocks
were kept at room temperature 25-30C and nematode mortality was recorded after 24-48
hours under stereomicroscope
211 Fractionation of culture filtrates
Culture filtrate was extracted three times with n-hexane and chloroform by shaking
vigorously in a separating funnel The extraction volume of each solvent is approximately
half to that of the filtrate Each solvent layer was allowed to separate out and run off from
the aqueous layer The n-hexane and chloroform fractions were collected pooled
concentrated on a rotary evaporator (Eyela-NE) separately and weighed
28 Determination of antifungal activity of frcations of culture filtrates of
Penicillium species in vitro
Each fraction was re-dissolved in their respective solavent and loaded at
concentration of 20 40 and 60 microl on thick sterile filter paper discs and dried and placed in
clock wise manner according to concentration in the plates containing Czapekrsquos Dox Agar
(CDA) Disc of test fungus were inoculated in centre of plates Czapekrsquos Dox broth (CDB)
used as control and carbendazim at 20 microgdisc used as positive control Petri dishes were
left for 5-7 days at 30degC and distance between test fungus and disc was measured as
inhibition zone (Qureshi 2003)
29 In vitro antibacterial activity of the frcations of culture fitrates of the
Penicillium species
In order to examine the prescence of secondary metabolites of the species of
Penicillium against bacteria lawn of test bacterium was prepared in 90mm petri dishes
containing Nutrient Agar medium Filtrates of cell free culture of the species of Penicillium
species at 20 40 and 60 microldisc were loaded on thick sterile filter paper discs and dried
15
and placed in clock wise manner according to concentration in the plates having bacterial
lawn with nutrient Agar 5 mm disc of test fungus was inoculated in centre of plate Discs
loaded with sterile broth of Czapekrsquos Dox (CDB) used as control whereas penicillin
20microgdisc used as positive control for gram positive bacteria and streptomycin 20microgdisc
served as positive control for gram negative bacteria Petri dishes were kept at (30degC) for
(2-3) days The inhibition zone were measured in mm
212 Extraction and compounds from mycelium of endophytic Penicillium
10 gm mycelium was thoroughly washed with n-hexane solvent to remove excess
water and extraction with (200 mL) n-hexane by Soxhlet extractor for (8 h) The fractions
were evaporated at 40degC through a rotary vacuum evaporator
213 Spectroscopy of oily fractions extrcated from mycelium of Penicillium
regulosum
The oily mass extracted from mycelium and culture filtrate of endophytic fungi
were subjected to GC-MS in order to isolate volatile compound GCMS (Gas
chromatographymass spectrometer) analyzed on High Resolution Mass spectrometer Jeol
HX-110 (Japan) eqquiped with data system DA-5500 with gas chromatograph Hewlett
packard (5890)
213 Determination of colony forming unit (cfu) per ml of suspension
Colony forming unit (cfu) per ml of Penicillium suspension were determined by
dilution plate method Fungi grown on the petri plates added then multiplied by the factor
of the dilutions donated by (cfuml) of the fungi
Cfu ml = Number of colonies of bacteria on plate X Dilution factor
16
214 Growth parameters
2141 Physical growth parameter
On harvesting the experiment physical parameters of the plants which was height
weight of the shoot length and weight of the roots number and weight of fruits were
measured
2142 Percent Infection of fungi (root rot) on roots
To determe of the infection of the root rot fungi method reported by Rahman et al
(2016) was used
215 Biochemical parameters
2151 Estimation of polyphenols
Dried sample of the leaves crushed in ethanol of 96 vv At 3000rpm for 20min
mixture of the sample centrifuged Supernatants used to anlayse antioxidant Salicylic and
polyphenol activity
Folin-Ciocalteu phenol reagent used for total poly phenol content described
(Chandini et al 2008)
2152 Estimation of antioxidant activity
Free radical scavenging assay was determined by DPPH (2 2-Di-phenyl-1-
picrylhydrazyl) used for Antioxidant activity (Zubia et al 2007 Duan et al 2006)
2153 Quantification of salicylic acid (SA)
Salicylic quantification was done by using 01 percent prepared Fecl3 (Ferric Chloride)
described by Warrier et al (2013)
216 analysis of Fruits
17
2161 pH (Power of Hydrogen)
To determine the pH fresh sample of five gram fruit in (10ml) of distilled water
were centrifuged for (20 min) in (3000) rpm Supernatent collected to analyse biochemical
activitySample pH measured as described (AOAC 1990)
2162 Moisture content
To analyse moisture content Fresh fruit determine by the method AOAC (1990)
Fruit moisture content can be calculated as follows
Moisture content= Weight of fresh sample ndash Weight of dried sampletimes 100
-------------------------------------------------------
Weight of fresh sample
2163 Tritable acidity (TA)
Sample of 5-ml titrated against (01 N) NOAH solutions by adding 2-3 drops of
phenolphthalein indicator drops for the persistent of the pink coloration The tritable
acidity was calculated by AOAC (1900)
2164 Total soluble solid
A juice drop transferred on prism surface of the hand refractometer (model
ATAGO) and the brix value was recorded by adjusting the eyepiece which showed TSS in
sucrose
2165 Firmness
Tomato fruit firmness recorded by using a TA-XT (Texture Analyser) with 3mm
diameter of the flat aluminium probe
2166 Total solids
It was determined as described by (James 1995) by subtracting percentage
moisture from 100
18
Total solids () = 100 ndash moisture
2167 Protein
Content of protein measured using (Lowry et al 1951) method
2168 Carbohydrate
Method of Phenol-sulphuric acid used to determine the prescence of carbohydrate
of the fruit sample (Dubios et al 1956)
2169 Antioxidant activity and Total polyphenol
To estimate the polyphenol by Folin-Ciocalteu phenol reagent method used
described as (Chandini et al 2008) To determine the antioxidant activity of fruits
samples used by method described by (Zubia et al 2007 Duan et al 2006)
217 Experimental design
Complete randomized design or randomized complete block design used as a
ststistical tool in screen house and field conditions experiments
218 Analysis of data
(ANOVA) Analysis of variance included least significant difference (LSD) were
analyse according to experimental design described as Gomez and Gomez (1984) were
used
19
3 EXPERIMENTAL RESULTS
31 Isolation of endophytic Penicillium
Out of 80 plant samples from both wild and cultivated species (Roots stems and
leaves) 14 samples showed presence of genus Penicillium Endophytic Penicillium spp
isolated (root stem and leaves) from wild plants (Achyranthus aspera Atriplex stocksii
Euphorbia hirta Chorchorus tridens) and cultivated plant (Solanum melongena
Lycopersicon esculentum Helianthus annuus Azadirachta indica Abelmoschus
esculentus Momordica charantia) Fourteen isolates of Penicillium were isolated and
identified on the bases of their morphological feature Species of Penicillium were
identified as P lividum P lilacinum P purpurogenum P nigricans P rugulosum P
restrictum P duclauxi P asperum P thomii P citrinum and P javanicum (Table 1)
32 Molecular Identification of endophytic Penicillium
The selected endophytic Penicillium isolates P rugulosum (EPAAR5) P
decumbens (EPAIR6) P nigricans (EPSLR4) P asperum (EPHAL10) and P
purpurogenum (EPEHS7) initially identified by morphological characters were further
subjected to molecular identification and strain typing (Habiba et al 2018) PCR
amplification of DNA from endophytic Penicillium strains using a universal genus specific
primer set (ie ITS1 and ITS4) which amplified the product size ranging between 500 to 600
bp for different fungal species while 600bp specific for Penicillium spp All products thus
showing the availability and consistency in size of typical 600bp for Penicillium isolates
(Figure 1A) RAPD-PCR was also performed to established the genotypic variations and
similarities with in the genus Penicillium (Figure 1B) RAPD-PCR is universally used and
based on polymorphism of DNA at the taxonomic level clearly illustrates the discrimination
power at the specie level Moreover the dendrogram of RAPD-PCR analysis revealed the
genetic relatedness between the isolates (Figure 1C) Dendogram represents two distinct
clades in first isolate P rugulosum EPAAR5 and P purpurogenum EPEHS7 were found to
share the same clade (a) whereas P asperum EPHAL10 P nigricans EPSLR4 P
decumbens EPAIR6 and positive control exist together in the second clade (b)
20
21
22
32 In dual culture plate assay antifungal activity of endophytic Penicillium
Fungicidal potential of endophytic species of Penicillium isolates were
examined usually phytopathogens such as Rhizoctonia solani Macrophomina
phaseolina F oxysporum and Fusarium solani using dual culture plate assay The 5mm
diam agar disc of endophytic Penicillium was placed on a 90mm Petri dish poured
with (CDA) Czapekrsquos Dox Agar pH (72) On opposite side of this disc from root
rotting fungi grown in plate a 5mm disc of was cut placed and leave at 28oC and
inhibition zone measured averaged and expressed in mm
All endophytic Penicillium showed best result against common root rot fungi
Maximum inhibition zone (25mm) against Fsolani produced by Ppurpurogenum
then Pdecumbens and P nigricans inhibition zone produced against Rsolani
(Table 1) fig1-7
23
Table 1 Suppression of Macrophomina phaseolina Rhizoctonia solani Fusarium solani and F oxysporum in dual culture plate assay
by the endophytic Penicillium species isolated from different wild and cultivated plants
Fungus Penicillium spp Host name Plant
part MPhaseolina Rsolani Fsolani Foxysporum
Zone of inhibition(mm)
EPSMR1 P citrinum Solanum melongena L
(Solanaceae)
Root 4 4 20 20
EPSMS2 P lilacinum Solanum melongena L (Solanaceae) Stem 6 8 11 14
EPSML3 Ppurpurogenum Solanum melongena L (Solanaceae) leaf 6 5 25 17
EPSLR4 P nigricans Lycopersicon esculentum L
(Solanaceae)
root 5 25 16 21
EPAAR5 P rugulosum Achyranthus aspera L
(Amaranthaceae)
root 3 12 11 20
EPAIR6 P decumbens Azadirachta indica AJuss
(Meliaceae)
root 5 25 13 20
EPEHS7 P purpurogenum Euhorbia hirta L (Euphorbiaceae) stem 6 5 25 17
EPCTS8 P restrictum Chorchorus tridens L (Malvaceae) stem 2 2 5 5
EPASS9 Pduclauxi Atriplex stocksii
(Amaranthaceae)
stem 18 13 11 14
EPHAL10 Pasperum Helianthus annuus L (Asteraceae) leaf 2 2 5 5
EPAER11 P thomii Abelmoschus esculentus L
(Malvaceae)
root 5 8 5 6
EPMCL12 Plividum Momordica charantia L
(Cucurbitaceae)
leaf 18 13 11 14
EPSLR13 Pjavanicum Lycopersicon esculentum L
(Solanaceae)
root 5 24 17 22
EPAER14 Ppurpurogenum Abelmoschus esculentus L
(Malvaceae)
root 5 3 21 12
24
Fig1 Growth inhibition of Foxyspoum by the endophytic Penicillium in dual culture plate
assay
Fig2 Growth inhibition of Fsolani by the endophytic Penicillium in dual culture plate
assay
25
Fig3 Growth inhibition of Fsolani by the endophytic Penicillium in dual culture plate
assay
Fig4 Growth inhibition of F solani by the endophytic Penicillium
in dual culture plate assay
26
Fig5 Growth inhibition of Foxyspoum by the endophytic Penicillium in dual culture plate
assay
Fig6 Growth inhibition of Fsolani by the endophytic Penicillium in dual culture plate
assay
27
Fig7 Growth inhibition of Foxyspoum by the endophytic Penicillium in dual culture plate
assay
33 In vitro fungicidal potential of culture filtrates of endophytic Penicillium
Penicillium isolates were grown in Czapekrsquos Dox broth pH 72 at 25-30oC for 15
days and through filteration culture filtrate was collected in autoclaved flasks The filtrate of
culture was dropped by chloroform under sterilize conndition to kill fungal propagoles if
any To determine the antifungal activity Disc Diffusion Method was used in which cell free
culture filterates at 20microldisc 40microldisc 60microldisc and control were placed at equal distance
at diferent positions in the petri plates poured with Czapeks Dox Agar pH 72 Water
impregnated disc were used as negative control and carbendazim 20microgdisc were used as
positive control against four root rot fungi viz Rhizoctonia solani Macrophomina
phaseolina F oxysporum and Fusarium solani 5mm disc of each root rot pathogen
Fusarium solani Macrophomina phaseolina F oxysporum and Rhizoctonia solani was
inoculated in the centre of the petri plates were kept 28oC for 5 days Distance between
paper disc and fungal colonies was measured as inhibition zone which were averaged and
showed in mmThe experiment was performed twice and replicated four times
28
Culture filtrate of Penicillium initiated growth suppression of (root rotting) fungi viz R
solani M phaseolina F oxysporum and F solani in vitro M phaseolina was inhibited by
culture filtrates of Plilacinum Pnigricans and Pthomii at 60microldisc by producing
maximum zone of 20mm Plilacinum Pnigricans and Pthomii also showed zone of
inhibition of 15mm at 20microldisc and 17mm at 40microldisc R solani was inhibited by
producing zone of 14mm at 60microldisc from culture filtrates of Plilacinum Ppurpurogenum
(EPSML3) Ppurpurogenum (EPEHS7) Pasperum and Ppurpurogenum (EPAER14)
Pnigricans and Pthomii produced zone of inhibition of 17mm at 60microldisc against F
solani P decumbens P citrinum Ppurpurogenum (EPSML3) EPSLR4 Pregulosum
Ppurpurogenum (EPEHS7) Pduclauxi Pasperum Pthomii Pjavanicum and
Ppurpurogenum (EPAER14) produced zone of inhibition ranging from 12-14mm at
60microldisc(Table 2)
29
Table 2 In vitro growth inhibition of Macrophomina phaseolina Rhizoctonia solani Fusarium solani and Foxysporum by culture
filtrates of endophytic Penicillium species isolated from wild and cultivated plant species
Fungus No Penicillium spp MPhaseolina Rsolani Fsolani Foxysporum
Zone of inhibition(mm)
Control 0 0 0 0
+ve Control (Carbendazim 20microgdisc) 8 5 9 7
EPSMR1 P citrinum
20microldisc 8 8 8 10
40microldisc 8 10 10 10
60microldisc 16 12 10 12
EPSMS2 Plilacinum
20microldisc 15 10 10 5
40microldisc 17 10 12 5
60microldisc 20 14 12 8
EPSML3 Ppurpurogenum
20microldisc 12 8 10 8
40microldisc 14 8 12 8
60microldisc 14 14 14 12
EPSLR4 P nigricans
20microldisc 15 0 11 8
40microldisc 17 4 15 9
30
Fungus No Penicillium spp MPhaseolina Rsolani Fsolani Foxysporum
Zone of inhibition(mm)
60microldisc 20 8 17 12
EPAAR5 P rugulosum
20microldisc 11 6 8 9
40microldisc 16 10 8 12
60microldisc 16 12 12 12
EPAIR6 P decumbens
20microldisc 12 5 14 12
40microldisc 14 8 14 14
60microldisc 14 8 14 14
EPEHS7 Ppurpurogenum
20microldisc 12 8 10 8
40microldisc 14 8 12 8
60microldisc 14 14 14 12
EPCTS8 Prestrictum
20microldisc 8 0 8 8
40microldisc 10 5 8 9
60microldisc 11 7 12 11
EPASS9 P duclauxi
20microldisc 12 0 12 10
31
Fungus No Penicillium spp MPhaseolina Rsolani Fsolani Foxysporum
Zone of inhibition(mm)
40microldisc 16 6 14 10
60microldisc 16 8 14 12
EPHAL10 Pasperum
20microldisc 10 8 12 10
40microldisc 12 10 16 12
60microldisc 12 14 16 12
EPAER11 Pthomii
20microldisc 15 0 11 8
40microldisc 17 4 15 9
60microldisc 20 8 17 12
EPMCL12 P lividum
20microldisc 12 8 10 9
40microldisc 12 8 12 11
60microldisc 14 12 13 11
EPSLR13 P javanicum
20microldisc 10 0 8 8
40microldisc 12 5 9 8
60microldisc 14 8 10 12
EPAER14 P purpurogenum
32
Fungus No Penicillium spp MPhaseolina Rsolani Fsolani Foxysporum
Zone of inhibition(mm)
20microldisc 12 8 10 8
40microldisc 14 8 12 8
60microldisc 14 14 14 12
33
34 In vitro antibacterial potentail of culture filtrates of endophytic Penicillium
Bacterial lawn of test bacteria was prepared in 90mm Petri dished conating Nutrient
agar and loaded disc of culture filterates at 20microldisc 40microldisc 60microldisc and control were
placed at equal distance in clockwise pattern in according to concentration Water
impregnated disc were used as negative control and Streptomycin 10microgdisc applied as +ve
control for gram +ve bacteria viz Salmonella typhimurium and Escherichia coli and
Penicillin applied as +ve control for gram positive bacteria viz Bacillus subtilus and
Staphlococcus aureus Zones of inhibition produced around the discs after 2-3 days growth
were recorded averaged and showed in millimeter (mm) The performance was conducted
twice and replicated four times
Fourteen isolates of Penicillium species were tested in vitro against four bacterial
species Bacillus subtilus and Staphlococcus aureus (Gram positive) and Salmonella
typhimurium and Escherichia coli (Gram negative)Cell free filtrate of culture of the
Penicillium resulted growth suppression of four bacteria Bsubtilus Saureus S
typhimurium and E coli in vitro Penicillium rugulosum was found to inhibit by Bsubtilus
by producing maximum zone of 9mm at 20microldisc 13mm at 40microldisc and 21mm at
60microldisc P rugulosum was found to inhibit by Saureus by producing maximum zone of
24mm at 20microldisc 30mm at 40microldisc and 30mm at 60microldisc P rugulosum was found to
inhibit S typhimurium by producing maximum zone of 12mm at 20microldisc 20mm at
40microldisc and 20mm at 60microldisc P rugulosum was found to inhibit E coli by producing
maximum zone of 18mm at 20microldisc 22mm at 40microldisc and 22mm at 60microldisc Bsubtilus
was inhibited by P lividum and Plilacinum by producing 16mm and 10mm zone at 20 40
and 60microldisc respectively Saureus was inhibited by P lividum and Plilacinum by
producing zone of inhibition of 18mm at 40 and 60microldisc and 20mm at 60microldisc
respectively E coli was found to inhibit by P decumbens by producing zone of 18mm at all
concentration (Table 3 and Fig 8)
34
Table3 In vitro growth suppression of Bsubtilus Saureus S typhimurium and E coli by culture filtrates of endophytic Penicillium
species
Fungus No Penicillium sp Bsubtilus Saureus S typhimurium E coli
Zone of inhibition mm
Control 0 0 0 0
Streptomycin 20 microgdisc 15 15 15 15
EPSMR1 P citrinum
20microldisc 6 4 4 4
40 microldisc 6 8 8 6
60 microldisc 6 8 8 6
EPSMS2 Plilacinum
20microldisc 10 10 14 8
40 microldisc 10 10 16 8
60 microldisc 10 12 20 8
EPSML3 Ppurpurogenum
20microldisc 4 6 0 0
40 microldisc 6 6 0 4
60 microldisc 8 8 10 4
EPSLR4 P nigricans
20microldisc 0 0 0 0
35
Fungus No Penicillium sp Bsubtilus Saureus S typhimurium E coli
Zone of inhibition mm
40 microldisc 4 4 2 4
60 microldisc 4 8 4 4
EPAAR5 P rugulosum
20microldisc 9 24 12 18
40 microldisc 13 30 20 22
60 microldisc 21 30 20 22
EPAIR6 P decumbens
20microldisc 6 4 10 18
40 microldisc 6 6 12 18
60 microldisc 6 8 14 18
EPEHS7 Ppurpurogenum
20microldisc 0 0 0 0
40 microldisc 8 6 0 0
60 microldisc 10 8 4 4
EPCTS8 P restrictum
20microldisc 2 4 4 4
40 microldisc 8 6 4 8
60 microldisc 8 8 6 12
EPASS9 P duclauxi
36
Fungus No Penicillium sp Bsubtilus Saureus S typhimurium E coli
Zone of inhibition mm
20microldisc 0 4 0 12
40 microldisc 0 4 0 12
60 microldisc 0 6 0 16
EPHAL10 Pasperum
20microldisc 0 8 4 2
40 microldisc 4 10 4 2
60 microldisc 4 10 6 4
EPAER11 Pthomii
20microldisc 0 0 0 4
40 microldisc 0 0 0 8
60 microldisc 0 0 0 8
EPMCL12 P lividum
20microldisc 16 16 8 4
40 microldisc 16 18 12 6
60 microldisc 16 18 12 6
EPSLR13 P javanicum
20microldisc 0 0 0 14
40 microldisc 0 0 0 16
60 microldisc 0 8 0 16
37
Fungus No Penicillium sp Bsubtilus Saureus S typhimurium E coli
Zone of inhibition mm
EPAER14 P purpurogenum
20microldisc 0 0 0 0
40 microldisc 8 6 0 0
60 microldisc 10 8 4 4
38
Fig 8 Growth inhibition of Saureus by the culture filterate of endophytic Penicillium in
disc diffusion method
A=Control B=+ve control C=20microldisc D=40microldisc E=60microldisc
35 In vitro nematicidal potentail of culture filtrates of endophytic Penicillium
spp
Penicillium isolates were grown in CDB (Czapekrsquos Dox broth) pH (72) at (25-
30oC) for 15 days and filtered and culture filtrate was collected in sterile flasks for use
Suspension of 10 juveniles per ml and culture filtrate (1 ml) of Penicillium isolates
shifted in cavity blocks and placed at 26 plusmn5oC These were replicated three times and
mortality rate of juvenile was noticed subsequently 24 and 48 hours
Culture filtrates of endophytic Penicillium exhibited nematicidal effects juveniles
mortality of Meloidogyne javanica occurred at different percentages Out of 14 isolates
tested Ppurpurogenum (EPSML3) initiated 100 killing of juveniles of M javanica in
24 h While 10 isolates initiated 50 or more juveniles mortality in 48 hours (Table 4)
A
B
C
E D
39
Table4 Effect of cell free culture filtrate of endophytic Penicillium spp on juveniles mortality of Meloidogyne javanica after 24 and
48 hours
Treatments Code Juveniles Mortality
24Hours 48Hours
Control(CDA Broth) hellip 0 0
P decumbens EPAIR6 50 76
Pnigricans EPSLR4 10 33
Pregulosum EPAAR5 46 63
P citrinum EPSMR1 36 73
Plilacinum EPSMS2 36 83
Ppurpurogenum EPSML3 100 100
Pduclauxi EPASS9 10 76
Plividum EPMCL12 16 53
Ppurpurogenum EPEHS7 43 76
Prestrictum EPCTS8 76 83
Pthomii EPAER11 43 43
Ppurpurogenum EPAER14 43 76
Pjavanicum EPSLR13 10 33
Pasperum EPHAL10 30 70
40
41
36 In-vitro antimicrobial potentail of solvent fractions of culture filtrtaes of
endophytic Penicillium
In our present study filtrates of culture of each fungus extracted thrice with n-
hexane and then chloroform by shaking vigorously in a separating funnel The extraction
volume of each solvent is approximately half to that of filtrate The n-hexane and
chloroform fractions were collected pooled and finally crude extracts on a rotary vacum
evaporator (Eyela-NE) separately and weighed The dilutions of 15mgml of n-hexane and
chloroform were dissolved in their respective solvents and weighed down on senitized
discs at 20 40 and 60microldisc and dried These are used for antimicrobial test by Disc
Diffusion Method as described for cell free culture filtarates section (Hadacek and Greger
2000) Solvent of respective fractions were served as control streptomycin at 20microgdisc
was used as positive control in determining antibacterial activity against Salmonella
typhimurium Escherichia coli Bacillus subtilus Staphlococcus aureus and Pseudomonas
auroginosa Whereas in antifungal activity carbendazim at 20microgdisc used as positive
control against root rotting fungi Mphaseolina Foxysporum Fsolani and Rsolani
There were four replicates of each treatment
361 In-vitro fungicidal potentail of n-hexane fractions
P rugulosum and Ppurpurogenum (EPEHS7) produced inhibition zones of 20mm
against Mphaseolina whereas P decumbens produced maximum inhibition zones of
25mm against Foxysporum and Fsolani was also inhibited P rugulosum
Ppurpurogenum (EPEHS7) and P nigricans Highest zone of inhibition of 25mm at
60microldisc were produced by P rugulosum against Rsolani (Table 5)
42
Table5 In vitro growth inhibition of M Phaseolina R Solani F solani and F oxysporum by n-Hexane fraction of endophytic
Penicillium species
Fungus No Penicillium sp M phaseolina R solani F solani F oxysporum
Zone of inhibition mm
Control 0 0 0 0
Carbendazim 20 microgdisc 30 30 30 30
EPSLR4 P nigricans
20microldisc 0 18 8 12
40 microldisc 0 18 12 15
60 microldisc 0 18 12 15
EPAAR5 P rugulosum
20microldisc 20 22 20 15
40 microldisc 20 25 20 15
60 microldisc 20 25 20 15
EPAIR6 P decumbens
20microldisc 0 0 0 25
40 microldisc 0 0 0 25
60 microldisc 0 0 0 25
EPEHS7 Ppurpurogenum
20microldisc 20 20 20 0
43
40 microldisc 20 20 20 0
60 microldisc 20 `20 20 0
EPHAL10 Pasperum
20microldisc 0 0 0 0
40 microldisc 0 0 0 0
60 microldisc 0 0 0 0
44
362 In-vitro antibacterial potentail of n-hexane fractions of culture filtrates of
endophytic Penicillium
Pasperum and P rugulosum inhibited Bacillus subtilus by producing inhibition
zones ranging from 12-14mm respectively P rugulosum suppressed the growth of
Staphlococcus aureus by producing inhibition zone 24mm at 60microldisc while P
rugulosum also formed inhibition zones measuring 18mm against Escherichia coli whereas
the inhibition zones of 20mm against Salmonella typhimurium were produced by P
rugulosum Similarly P rugulosum inhibited Pseudomonas auroginosa with zones of
25mm (Table 6 and Fig9-12)
363 In-vitro fungicidal potentail of chloroform fractions of culture filtrates of
endophytic Penicillium
P rugulosum produced inhibition zones of 20mm 25mm 20mm and 15mm at
60microldisc against Fsolani Rsolani Mphaseolina Rsolani and Foxysporum (Table 7)
45
Table6 In vitro growth inhibition of Bsubtilus Saureus S typhimurium E coli and Pauroginosa by n-hexane fraction of
endophytic Penicillium species
Penicillium sp Bsubtilus Saureus S typhimurium E coli Pauroginosa
Zone of inhibition mm
Control 0 0 0 0 0
Streptomycin 20 microgdisc 15 15 15 15 15
EPSLR4 P nigricans
20microldisc 6 10 8 8 8
40 microldisc 9 10 8 8 9
60 microldisc 11 11 9 12 10
EPAAR5 P rugulosum
20microldisc 0 18 18 11 18
40 microldisc 0 21 18 11 22
60 microldisc 0 24 20 18 22
EPAIR6 P decumbens
20microldisc 0 8 16 0 11
40 microldisc 0 8 16 0 11
60 microldisc 0 12 16 0 11
EPEHS7 Ppurpurogenum
20microldisc 5 10 7 8 9
40 microldisc 8 10 7 8 11
46
60 microldisc 8 12 7 8 11
EPHAL10 Pasperum
20microldisc 10 8 6 10 10
40 microldisc 11 9 6 10 10
60 microldisc 12 11 9 10 12
47
Fig9 Growth inhibition of Pauroginosa by the n-hexane fraction endophytic Penicillium in
disc diffusion method
Fig10 Growth inhibition of Saureus by the n-Hexane fraction of endophytic Penicillium in
disc diffusion method
C
+ve C
20microl
60microl
40microl
+veC
20microl
40microl
60microl
C
48
Fig11 Growth inhibition of S typhimurium by the n-Hexane fraction of endophytic
Penicillium in disc diffusion method
Fig12 Growth inhibition of E coli by the n-Hexane fraction of endophytic Penicillium in
disc diffusion method
C
60microl
40microl
20microl +veC
vCCe
veve
+veC
vCCe
veve
C
60microl
20microl
40microl
49
Table7 In vitro growth suppression of M Phaseolina R Solani F solani and F oxysporum by chloroform fraction of endophytic
Penicillium species
Fungus No Penicillium sp M Phaseolina R Solani F solani F oxysporum
Zone of inhibition mm
Control 0 0 0 0
Carbendazim 20 microgdisc 30 30 30 30
EPSLR4 P nigricans
20microldisc 0 0 0 0
40 microldisc 0 0 0 0
60 microldisc 0 0 0 0
EPAAR5 P rugulosum
20microldisc 15 0 20 20
40 microldisc 15 0 20 20
60 microldisc 15 0 20 20
EPAIR6 P decumbens
20microldisc 0 0 0 0
40 microldisc 0 0 0 0
60 microldisc 0 0 0 0
EPEHS7 Ppurpurogenum
20microldisc 25 0 20 15
40 microldisc 25 0 20 15
50
60 microldisc 25 0 20 15
EPHAL10 Pasperum
20microldisc 0 0 0 0
40 microldisc 0 0 0 0
60 microldisc 0 0 0 0
364 In-vitro antibacterial potentail of chloroform fractions of culture filtrates of endophytic Penicillium
P rugulosum inhibited Bacillus subtilus Staphlococcus aureus Salmonella typhimurium and Pseudomonas auroginosa by
producing inhibition zones ranging from 21-18mm P rugulosum while P rugulosum also produced inhibition zones measuring
11mm against Escherichia coli whereas the inhibition zones of 14mm against Escherichia coli were produced by P nigricans
(Table 8 and Fig12)
51
Table8 In vitro growth inhibition of Bsubtilus Saureus S typhimurium E coli and Pauroginosa by chloroform fraction of
endophytic Penicillium species
Fungus No Penicillium sp Bsubtilus Saureus S typhimurium E coli Pauroginosa
Zone of inhibition mm
Control 0 0 0 0 0
Streptomycin 20 microgdisc 15 15 15 15 15
EPSLR4 P nigricans
20microldisc 16 16 14 14 16
40 microldisc 16 16 14 14 18
60 microldisc 18 16 16 14 20
EPAAR5 P rugulosum
20microldisc 18 18 20 11 20
40 microldisc 18 18 20 11 21
60 microldisc 18 18 20 11 21
EPAIR6 P decumbens
20microldisc 0 0 0 0 0
40 microldisc 0 0 0 0 0
60 microldisc 0 0 0 0 0
EPEHS7 Ppurpurogenum
20microldisc 0 0 14 0 0
52
40 microldisc 0 0 14 0 0
60 microldisc 0 0 14 0 0
EPHAL10 Pasperum
20microldisc 0 7 11 0 6
40 microldisc 0 7 11 0 6
60 microldisc 0 10 11 0 9
53
4
Fig13 Growth inhibition of S typhimurium by the chloroform fraction of endophytic
Penicillium in disc diffusion method
C
+ve C
20microl 40microl
60microl
54
3656 Extraction and characterization of compounds from mycelium of endophytic
Penicillium
Czapekrsquos Dox broth of Penicillium regulosum was prepared in (250 ml) conical
flask containing (100 ml) A 5mm disc of test Penicillium was cuttedinoculated and
incubated (25-30degC) and left for 15 days When fungi secreted secondry metabolites then
cell free culture filtrates were obtained by filtering The mycelium was used for the
extraction of compounds
10 gm mycelium was thoroughly washed with n-hexane solvent to remove excess
water and extracted with 200 mL n-hexane using a Soxhlet extractor for 8 h The extracts
were filtered and dried at 40degC by using a rotary vacuum evaporator The oily mass
extracted from mycelium of Penicillium regulosum was subjected to GC-MS analysis
GCMS (Gas chromatographymass spectrometer) analyzed on High Resolution Mass
spectrometer Jeol HX-110 (Japan) equipped with data system DA-5500 in combination with
gas chromatograph Hewlett packard (5890)
Total 23 different chemical compounds were obtained from mycelium fraction Volatile
compound such as normal hydrocarbon (akane and alkene) fatty acid alcohol ether
terpenoids and benzene derivatives including cyclohexane and other compounds that were
found among the volatile metabolites were identified by mass spectral data base (Table 9)
55
(1) Nanodecane
(2) Nonadecane
(3) Heptadecane
(4) Heptacosane
(5) Heptacosane
(6) Eicosane
(7) Octadecane
(replib) Nonadecane
50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 2400
50
10057
71
85
99113 127 141 155 169 183 197
(replib) Nonadecane
60 80 100 120 140 160 180 200 220 240 260 2800
50
10057
71
85
99113 127 141 155 169 183 197 268
(replib) Heptadecane
50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 240 2500
50
10057
71
85
99113 127 141 155 169 182 196 210 240
(replib) Heptacosane
60 80 100 120 140 160 180 200 220 240 260 280 300 320 3400
50
10057
71
85
99113 127 141 155 169 183 197 211 225 239 253 267 281 294 308 322 336
(replib) Heptacosane
60 80 100 120 140 160 180 200 220 240 260 280 300 3200
50
10057
71
85
99113 127 141 155 169 183 197 211 225 239 253 267 281 294 308 322
(mainlib) Eicosane
60 80 100 120 140 160 180 200 220 240 260 2800
50
10057
71
85
99113
127 141 155 169 183 197 211 225 238 252 282
(replib) Octadecane
60 80 100 120 140 160 180 200 220 240 2600
50
10057
71
85
99113 127 141 155 169 183 197 210 225 254
56
(8) Tetradecanoic acid
(9) Dodecane 2610-trimethyl-
(10) i-Propyl tetradecanoate
(11) i-Propyl 12-methyltetradecanoate
(12) Ethyl 13-methyl-tetradecanoate
(13) Widdrol hydroxyether
(mainlib) Tetradecanoic acid
50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 2400
50
100
55
60
69
73
8397 115
129
138
143157
171
185
199209
228
OH
O
(replib) Dodecane 2610-trimethyl-
60 80 100 120 140 160 180 200 220 240 2600
50
10057
71
85
97
113127
141 155 168183 197 212
(mainlib) i-Propyl tetradecanoate
50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 240 2500
50
100
60
71
8397
102
111
129
143157
171
185
199
211
228
O
O
(mainlib) i-Propyl 12-methyltetradecanoate
60 80 100 120 140 160 180 200 220 240 2600
50
10057
60
71
83 97
102
111 129
143153 165
177
185
195 213225
242O
O
(mainlib) Ethyl 13-methyl-tetradecanoate
60 80 100 120 140 160 180 200 220 240 260 2800
50
100
55
61
70
88
101
115129
143
157
171 185 199 213
227
241 255
270
O
O
(mainlib) Widdrol hydroxyether
60 80 100 120 140 160 180 200 220 240 260 2800
50
100
55
69
81
95 109
123
135
140
150
167
177 205223
238
O
OH
57
(14) n-Hexadecanoic acid
(15) Hexadecanoic acid ethyl ester
(16) Oleic Acid
(17) 912-Octadecadienoic acid ethyl ester
(replib) n-Hexadecanoic acid
60 80 100 120 140 160 180 200 220 240 2600
50
10060 73
8397
115
129
143157 171 185
199
213
227 239
256
OH
O
(mainlib) Hexadecanoic acid ethyl ester
60 80 100 120 140 160 180 200 220 240 260 2800
50
100
55
61 73
88
101
115129 143
157
171 185 199 213 225239
255 267284
O
O
(mainlib) 912-Octadecadienoic acid ethyl ester
60 80 100 120 140 160 180 200 220 240 260 280 300 3200
50
100
55
6781
95
109
123135 150 164 178
192 205 220 234
263
279
308
O
O
(replib) Oleic Acid
60 80 100 120 140 160 180 200 220 240 260 2800
50
10055
69
83
97
111
125137 151 165 180 193 207 222 236
264
282
HO
O
58
(18) Ethyl Oleate
(19) cis-10-Nonadecenoic acid
(20) 2-Propenoic acid 3-(4-methoxyphenyl)- 2-ethylhexyl ester
(21) 12-Benzenedicarboxylic acid diisooctyl ester
(replib) Ethyl Oleate
60 80 100 120 140 160 180 200 220 240 260 280 300 3200
50
10055
6983
97
111123
137 155180
194 207
222
236
264
281
310
O
O
(mainlib) cis-10-Nonadecenoic acid
60 80 100 120 140 160 180 200 220 240 260 280 300 3200
50
10055
6983
97
111
125137 151 165 179 194 207 221 236 249 261
278296
HO
O
(mainlib) 2-Propenoic acid 3-(4-methoxyphenyl)- 2-ethylhexyl ester
60 80 100 120 140 160 180 200 220 240 260 280 3000
50
100
55 77 90 103118
133
147
161
178
191 262290
O
O
O
(replib) 12-Benzenedicarboxylic acid diisooctyl ester
60 90 120 150 180 210 240 270 300 330 360 3900
50
100
5770
83 104132
149
167
279
O
O
O
O
(mainlib) Cyclopenta[ad]cycloocten-5-one 1233a456899a1010a-dodecahydro-7-(1-methylethyl)-19a-dimethyl-4-methylene
60 90 120 150 180 210 240 270 300 330 360 3900
50
100
55
69
81
95
107
121
147
173189
215
231
243
258
286
O
59
(22) Cyclopenta[ad]cycloocten-5-one 1233a456899a1010a-dodecahydro-7-(1-
methylethyl)-19a-dimethyl-4-methylene
(23) 2-Aminofluorescein
(mainlib) 2-Aminofluorescein
50 100 150 200 250 300 350 400 450 500 550 600 6500
50
100
63 91
151
189
287
303
318 347
O
O
OHO OH
H2N
60
Table9 GCMS of mycelial fraction of Penicillium regulosum
SNo Scan
No
Systemic Name
(Common Name)
Mol
Formula
Mol
Wt
Ret
Time
Conc
1 2606 Nanodecane C19H40 268 24168 0036
2 2913 Heptadecane C17H36 240 2641 0035
3 2998 Tetradecanoic acid C14H28O2 228 27038 0056
4 3230 Octadecane C18H38 254 28737 0049
5 3264 Dodecane 2610-trimethyl- C15H32 212 28986 0077
6 3331 i-Propyl tetradecanoate C17H34O2 270 29476 0058
7 3381 i-Propyl 12-methyltetradecanoate C18H36O2 284 29842 0097
8 3496 Ethyl 13-methyl-tetradecanoate C17H34O2 270 30684 0054
9 3653 Nonadecane C19H40 268 31834 0064
10 3975 Widdrol hydroxyether C15H26O2 238 34192 0094
11 4096 n-Hexadecanoic acid C16H32O2 256 35078 0079
12 4223 Hexadecanoic acid ethyl ester C18H36O2 284 36007 0094
13 4252 Eicosane C20H42 282 36220 0093
14 5475 Oleic Acid C18H34O2 282 45175 0105
15 5516 912-Octadecadienoic acid ethyl ester C20H36O2 308 45475 0084
16 5546 Ethyl Oleate C20H38O2 310 45694 0065
61
17 5970 cis-10-Nonadecenoic acid C19H36O2 296 48799 0053
18 6023 Heptacosane C27H56 380 49187 0051
19 6072 2-Propenoic acid 3-(4-methoxyphenyl)- 2-ethylhexyl ester C18H26O3 290 49546 0058
20 6281 Heptacosane C27H56 380 51076 0044
21 6591 12-Benzenedicarboxylic acid diisooctyl ester C24H38O4 390 53346 0048
22 6668 Cyclopenta[ad]cycloocten-5-one 1233a456899a1010a-
dodecahydro-7-(1-methylethyl)-19a-dimethyl-4-methylene
C20H30O 286 53910 004
23 8458 2-Aminofluorescein C20H13NO5 347 67016 0135
62
37 Screen house experiments
371 Effect of endophytic Penicillium in soil amended with neem cake in inhibition
of the root diseases and growth of sunflower (2016)
Fourteen isolates of endophytic Penicillium viz P duclauxi Plilacinum
Ppurpurogenum (EPSML3) Pnigricans Pregulosum P decumbens Ppurpurogenum
(EPEHS7) P restrictum P citrinum Pasperum Pthomii Ppurpurogenum (EPAER14)
Plividum Pjavanicum and caused growth suppression of four root rotting fungi in vitro A
25ml five-day-old cell suspension of fungal isolates were drench in 1kg soil obtaining from
experimental field of the Department of Botany each clay pots Carbendazim considered as
+ve control against pathogenic fungi Application of endophytic Penicillium and 1 Neem
cake were also applied in another pot set In each pot (6 seeds per pot) seed of sunflower
(Helianthus annuus) were sown and kept four seedlings after germination Treatments were
replicated four times watered daily
After six weeks experiment were harvested to evaluate the potentail of endophytic
Penicillium on the suppression of pathogens and growth of plant and data on height of
plant weight of fresh shoot length of root weight of root were measured and noted The
infection of root rotting fungi roots cleaned with tap water 5 root pieces of 1cm were
sterilized with 1 bleach and placed on plates poured with (Potato Dextrose Agar) PDA
mixed with penicillin (100000 units litre) and streptomycin (02 glitre) After incubation
of 5 day occurrence of root rots were recorded
Plant grown in soil amended with neem cake generally showed less infection of
root rotting fungi related to plant grown in natural soil (un-amended soil) Plant inoculated
with endophytic Penicillium species most of them showed less infection of root rotting
fungi related to control plant Plants grown in pots received Endophytic Pregulosum in
natural soil and also in amended soil with neem cake showed no infection of F oxysporum
Whereas P Pnigricans Pregulosum P citrinum Ppurpurogenum (EPSML3)
Pduclauxi Pthomii Pjavanicum and P decumbens in amended soil with neem cake also
showed no infection of F oxysporum Combine effect of isolates P decumbens
63
Pnigricans P citrinum P lividum Plilacinum Ppurpurogenum (EPSML3) Pduclauxi
Ppurpurogenum (EPEHS7) P restrictum Pthomii Ppurpurogenum (EPAER14)
Pjavanicum and neem cake showed no infection on Fsolani P decumbens Pnigricans
Pregulosum and Pjavanicum also showed no infection of Fsolani when used alone
Plividum alone showed no infection of Mphaseolina on sunflower roots Combine effect
of P decumbens Pnigricans Pregulosum Pthomii and Pjavanicum with neem cake
showed significant reduction on infection of Mphaseolina Application of P decumbens
Pnigricans P citrinum Plividum Ppurpurogenum (EPEHS7) Ppurpurogenum
(EPAER14) and Pjavanicum showed no infection of Rsolani P decumbens
Pregulosum P citrinum Plilacinum Ppurpurogenum (EPSML3) Pduclauxi
Ppurpurogenum (EPEHS7) P restrictum Ppurpurogenum (EPAER14) Pjavanicum
with neem cake showed no infection of Rsolani While Pnigricans Plividum Pthomii
and Pasperum Significantly suppressed the Rsolani infection when applied in neem cake
amended soil (Table 10)
Greater plant height was produced by Ppurpurogenum (EPEHS7) P restrictum
Ppurpurogenum (EPAER14) and Pasperum when applied in neem cake amended soil
However effect of P restrictum and Pasperum with neem cake were significant on fresh
shoot weight (Table 10) Pnigricans Pthomii and Pjavanicum alone showed significant
result of root length and root weight whereas P decumbens and Pduclauxi with neem
cake showed greater root length (Table 11 and Fig13-14)
64
Table10 Effect of endophytic Penicillium and neem cake on the infection of Fusarium solani Foxysporum Rhizoctonia solani and
Macrophomina phaseolina on sunflower roots in green house experiment
Infection
Treatments Code Foxysporum
Fsolani
M phaseolina Rsolani
NS AS NS AS NS AS NS AS
Control hellip 50 187 75 25 75 50 187 125
Carbendazim hellip 25 0 312 62 125 25 125 0
P decumbens EPAIR6 187 0 0 0 25 187 0 0
Pnigricans EPSLR4 62 0 0 0 375 187 0 62
Pregulosum EPAAR5 0 0 0 187 62 187 62 0
P citrinum EPSMR1 375 0 25 0 125 25 0 0
Plilacinum EPSMS2 25 62 187 0 62 50 62 0
Ppurpurogenum EPSML3 50 0 125 0 62 25 62 0
Pduclauxi EPASS9 50 0 62 0 312 312 62 0
Plividum EPMCL12 50 62 50 0 0 50 0 62
Ppurpurogenum EPEHS7 375 187 375 0 50 312 0 0
Prestrictum EPCTS8 50 62 62 0 125 437 62 0
Pthomii EPAER11 62 0 62 0 375 187 62 62
Ppurpurogenum EPAER14 375 187 375 0 50 312 0 0
Pjavanicum EPSLR13 62 0 0 0 375 187 0 0
Pasperum EPHAL10 125 0 25 187 375 312 62 62
LSD005 Treatment=4651 Pathogen=2322 Soil Type=1643
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
3Mean values in the NS and AS column showing difference greater than LSD value are significantly different at plt005
NS= Natural Soil AS=Amended Soil
65
Table11 Effect of endophytic Penicillium and neem cake on the growth of sunflower in green house experiment
Treatments Code Shoot Length
Shoot Weight
Root Length Root weight
(cm)
(g)
(cm)
(g)
NS AS NS AS NS AS NS AS
Control 22775 3993 253 535 643 1162 0645 0675
Carbendazim 2585 418 2216 451 742 1287 0715 0622
P decumbens EPAIR6 2541 4487 243 512 1103 1406 077 0786
Pnigricans EPSLR4 2824 44 277 527 1221 1218 1005 0645
Pregulosum EPAAR5 2527 4406 25 475 862 1287 0781 0629
P citrinum EPSMR1 2599 4681 218 51 94 862 0726 0807
Plilacinum EPSMS2 22685 4587 205 539 631 558 0663 0578
Ppurpurogenum EPSML3 25211 4087 215 471 932 681 0841 0648
Pduclauxi EPASS9 2541 4487 243 512 1103 1406 077 0786
Plividum EPMCL12 22685 4587 205 539 631 558 0663 0578
Ppurpurogenum EPEHS7 234 4931 153 573 887 725 0583 0748
Prestrictum EPCTS8 26186 4918 214 678 918 757 069 0866
Pthomii EPAER11 2824 44 277 527 1221 1218 1005 0645
Ppurpurogenum EPAER14 234 4931 153 573 887 725 0583 0748
Pjavanicum EPSLR13 2824 44 277 527 1221 1218 1005 0645
Pasperum EPHAL10 26186 4918 214 678 918 757 069 0866
LSD005 5141 7881 07911 1821 2551 2821 01951 031
1 Difference greater than LSD values among means in column are significant at plt005
NS= Natural Soil AS=Amended Soil
66
372 Effect of endophytic Penicillium with neem cake in inhibition of the root
diseases and growth of Sunflower (2017)
Fourteen isolates of endophytic Penicillium viz P citrinum Plilacinum
Ppurpurogenum (EPSML3) Pnigricans Pregulosum P decumbens Ppurpurogenum
(EPEHS7) P restrictum Pduclauxi Pasperum Pthomii Plividum Pjavanicum and
Ppurpurogenum (EPAER14) caused growth suppression of four root rotting fungi in vitro
A 25ml five-day-old cell suspension of fungal isolates were drench in 1kg soil obtaining
from experimental field of the Department of Botany each clay pots Carbendazim
considered as positive control against root rotting fungi Application of endophytic
Penicillium and 1 Neem cake were also applied in another pot set In each pot (6 seeds per
pot) seed of sunflower (Helianthus annuus) were sown and kept four seedlings after
germination Treatments were replicated four times watered daily
After six weeks experiment were harvested to evaluate the potentail of endophytic
Penicillium on the suppression of pathogens and growth of plant and data on plant height
fresh shoot weight root length root weight were measured and noted The infection of
root rotting fungi roots were washed under tap water 5 root pieces of 1cm were sterilized
with 1 bleach and placed on plates poured with Potato Dextrose Agar mixed with
penicillin (100000 units litre) and streptomycin (02 glitre) After incubation of 5 day
occurrence of root rots were recorded
67
68
Fig14 Growth promotion by the endophytic Penicillium in sunflower
Control +veControl EP EP EP
69
Fig14 Growth promotion by the endophytic Penicillium in neem cake amended soil in
sunflower
Control +ve Control EP
+veControl EP
EP
EP EP EP EP
EP
Control
70
Plant grown in soil amended with neem cake generally showed less infection of
root rotting fungi as compared to plant grown in natural soil (un-amended soil) Plant
inoculated with endophytic Penicillium species most of them showed less infection of
root rotting fungi as compared to untreated control Plants grown in pots received
Endophytic Penicillium isolates caused significant reduction except Ppurpurogenum
(EPSML3) and Plividum which caused no reduction as compared to untreated control
on F oxysporum infection Whereas pots received endophytic P citrinum
Ppurpurogenum (EPSML3) Pnigricans Pregulosum P decumbens Pduclauxi
Pthomii Pjavanicum with neem cake showed complete suppression of F oxysporum
Combine effect of isolates Pnigricans P citrinum Plilacinum Plividum P
restrictum Pthomii Pjavanicum and neem cake showed no infection of Fsolani P
decumbens Pnigricans and Pjavanicum also showed complete suppression of
infection of Fsolani while Plividum showed no difference from control when used
alone Plividum alone showed no infection of Mphaseolina on sunflower roots
Combine effect of all treatments with neem cake showed significant reduction on
infection of Mphaseolina Application of P decumbens P citrinum Plividum
Ppurpurogenum (EPEHS7) and Pregulosum showed no infection of Rsolani P
decumbens Pnigricans P citrinum Ppurpurogenum (EPSML3) Pduclauxi
Ppurpurogenum (EPEHS7) P restrictum Ppurpurogenum (EPAER14) and
Pjavanicum with neem cake showed complete suppression of Rsolani (Table 12)
Plant grown in soil amended with neem cake generally showed greater height as
compared to plant grown in natural soil (un-amended soil) Plant inoculated with
endophytic Penicillium species most of them showed larger shoot length as compared to
untreated control Greater plant height was produced by Plilacinum when applied in
neem cake amended soil (Table 13 and Fig 15-17)
71
Table12 Effect of endophytic Penicillium and neem cake on the infection of Fusarium solani Foxysporum Rhizoctonia solani and
Macrophomina phaseolina on sunflower roots in green house experiment
Infection
Treatments Code Foxysporum
Fsolani
M phaseolina Rsolani
NS AS NS AS NS AS NS AS
Control 50 187 50 25 75 75 187 125
Carbendazim 125 62 312 62 125 25 62 62
P decumbens EPAIR6 125 0 0 62 25 187 0 0
Pnigricans EPSLR4 62 0 0 0 312 187 62 0
Pregulosum EPAAR5 125 0 25 62 125 125 0 62
P citrinum EPSMR1 375 0 25 0 125 25 0 0
Plilacinum EPSMS2 25 62 187 0 62 50 62 62
Ppurpurogenum EPSML3 50 0 125 62 62 25 62 0
Pduclauxi EPASS9 25 0 62 62 312 187 62 0
Plividum EPMCL12 50 62 50 0 0 50 0 62
Ppurpurogenum EPEHS7 375 187 312 125 50 31 0 0
Prestrictum EPCTS8 125 62 62 0 125 437 62 0
Pthomii EPAER11 62 0 62 0 375 187 62 62
Ppurpurogenum EPAER14 375 187 312 125 50 312 62 0
Pjavanicum EPSLR13 62 0 0 0 312 187 62 0
Pasperum EPHAL10 125 125 25 187 312 312 62 62
LSD005 Treatment=4451 Pathogen=2222 Soil Type=1573
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
3Mean values in the NS and AS column showing difference greater than LSD value are significantly different at plt005
NS= Natural Soil AS=Amended Soil
72
Table13 Effect of endophytic Penicillium and neem cake on the growth of sunflower in green house experiment
Treatments Code
Shoot Length
(cm)
Shoot Weight
(g)
Root Length Root weight
(cm)
(g)
NS AS NS AS NS AS NS AS
Control 3256 3893 378 642 57 1034 085 131
Carbendazim 3781 4293 452 607 84 1025 124 128
P decumbens EPAIR6 4412 6275 386 1013 7 768 086 213
Pnigricans EPSLR4 4838 6208 489 953 863 656 096 141
Pregulosum EPAAR5 4568 6412 472 994 658 666 0909 128
P citrinum EPSMR1 385 6443 373 1425 75 787 088 226
Plilacinum EPSMS2 345 6551 206 1019 706 645 072 161
Ppurpurogenum EPSML3 3545 6037 2405 909 677 593 091 144
Pduclauxi EPASS9 4412 6275 386 1013 7 768 086 213
Plividum EPMCL12 345 6551 206 1019 706 645 072 161
Ppurpurogenum EPEHS7 385 59 245 886 868 1118 083 163
Prestrictum EPCTS8 4158 5006 362 818 6102 1275 067 186
Pthomii EPAER11 4838 6208 489 953 863 656 096 141
Ppurpurogenum EPAER14 385 59 245 886 868 1118 083 163
Pjavanicum EPSLR13 4838 6208 489 953 863 656 096 141
Pasperum EPHAL10 4158 5006 362 818 6102 1275 067 186
LSD005 10331 8971 2271 5521 3021 2171 04581 1071
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
NS= Natural Soil AS=Amended Soil
73
Fig15 Growth promotion by the endophytic Penicillium in soil amended with neem cake
in sunflower
373 Effect of endophytic Penicillium with neem cake in inhibition of root diseases
and mung bean growth
In an experiment a 25 ml cell suspension of five-day-old cultures of Fourteen
isolates of endophytic Penicillium viz P citrinum Plilacinum Ppurpurogenum
(EPSML3) Pnigricans Pregulosum P decumbens Ppurpurogenum (EPEHS7) P
restrictum Pduclauxi Pasperum Pthomii Plividum Pjavanicum and
Ppurpurogenum (EPAER14) were applied in pots filled with 1 Kg soil Endophytic
Penicillium were drench in each pots with 1 neem cake in another pot set Mung bean
(Vigna radiata) seeds were sown pots (6 seeds per pot) Four seedlings were remained in
each pots after germination Treatments were replicated four times and data were noticed
after 45 days
EP
Carbendazim Control
74
No infection of Foxysporum were found Plilacinum Ppurpurogenum (EPSML3)
and Pduclauxi when used in natural soil Whereas infection of Foxysporum was also not
found where Plilacinum Pnigricans and Pduclauxi used in neem cake amended soil
Significant reduction in infection of Fsolani was seen in natural soil by all isolates whereas
in neem cake amended soil all isolates also showed significant reduction other than P
citrinum which showed infection equal to control treatment 75 No infection of
Mphaseolina was showed by P citrinum in both type of soil whereas P restrictum also
showed no infection of Mphaseolina only in natural soil Control showed no infection of
Rsolani in natural soil while Pnigricans Pasperum Pthomii and Pjavanicum in
amended soil showed no infection of Rsolani (Table 14)
Use of endophytic Plividum with neem cake caused a significant increase in
plant height while Pnigricans Plilacinum Ppurpurogenum (EPEHS7) Pasperum
Pthomii Pjavanicum and Ppurpurogenum (EPAER14) showed significant result in
natural soil Ppurpurogenum (EPEHS7) and Ppurpurogenum (EPAER15) showed
significant growth on Shoot weight in natural soil In natural soil greater root length was
showed by Plilacinum whereas in amended soil P restrictum Pasperum Pthomii and
Pjavanicum showed larger root length (Table 15)
75
Table14 Effect of endophytic Penicillium with neem cake on the infection of Fusarium solani Foxysporum Rhizoctonia solani and
Macrophomina phaseolinaon mung bean roots in green house experiment
Infection
Treatments Code Foxysporum
Fsolani
M phaseolina Rsolani
NS AS NS AS NS AS NS AS
Control hellip 50 312 100 75 100 50 0 562
Carbendazim hellip 125 62 50 312 187 25 0 25
P decumbens EPAIR6 125 25 375 437 187 437 0 125
Pnigricans EPSLR4 62 0 50 187 125 187 0 0
Pregulosum EPAAR5 125 187 437 50 312 50 62 562
P citrinum EPSMR1 62 62 437 75 0 0 62 62
Plilacinum EPSMS2 0 0 50 125 312 62 187 62
Ppurpurogenum EPSML3 0 25 375 50 25 25 437 187
Pduclauxi EPASS9 0 0 437 375 25 375 62 25
Plividum EPMCL12 62 25 25 687 125 375 62 50
Ppurpurogenum EPEHS7 62 125 375 312 187 187 62 25
Prestrictum EPCTS8 12 25 437 375 0 312 62 187
Pthomii EPAER11 62 62 437 25 125 312 0 0
Ppurpurogenum EPAER14 62 125 375 312 187 187 62 25
Pjavanicum EPSLR13 62 0 50 187 125 187 0 0
Pasperum EPHAL10 435 125 25 25 25 187 0 0
LSD005 Treatment=5611 Pathogen=2802 Soil Type=1983
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
3 Mean values in the NS and AS column showing difference greater than LSD value are significantly different at plt005
NS= Natural Soil AS=Amended Soil
76
Table15 Effect of endophytic Penicillium and neem cake on the growth of mung bean in green house experiment
Treatments Code Shoot Length
Shoot Weight
Root Length Root weight
(cm)
(g)
(cm)
(g)
NS AS NS AS NS AS NS AS
Control hellip 1375 1714 078 08 1531 4652 051 014
Carbendazim hellip 139 1865 073 1322 1556 473 056 015
P decumbens EPAIR6 1359 161 089 1055 1233 5002 055 023
Pnigricans EPSLR4 1463 1452 077 031 1125 6375 031 011
Pregulosum EPAAR5 1358 1775 073 0732 1943 4905 032 017
P citrinum EPSMR1 1299 1606 059 0617 165 477 039 016
Plilacinum EPSMS2 148 1685 083 0662 251 4175 046 022
Ppurpurogenum EPSML3 1299 1606 059 0617 165 477 039 016
Pduclauxi EPASS9 1187 1916 069 0855 1108 4562 017 016
Plividum EPMCL12 132 2147 061 1358 2252 4785 026 022
Ppurpurogenum EPEHS7 1448 1917 092 1115 1543 445 059 016
Prestrictum EPCTS8 1268 1874 068 1102 1087 702 031 02
Pthomii EPAER11 1463 179 077 1203 1125 7025 031 024
Ppurpurogenum EPAER14 1448 1917 092 1115 1543 445 059 016
Pjavanicum EPSLR13 1463 179 077 1203 1125 7025 031 024
Pasperum EPHAL10 1463 1874 077 1102 1125 702 031 02
LSD005 1611 4011 0191 2141 8421 1151 0171 0071
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
NS= Natural Soil AS=Amended Soil
77
374 Effect of Endophytic Penicillium and cotton cake in inhibition of root
diseases and mung bean growth
A 25 ml five-day-old cell suspension of fourteen isolates of endophytic
Penicillium viz P citrinum Plilacinum Ppurpurogenum (EPSML3) Pnigricans
Pregulosum P decumbens Ppurpurogenum (EPEHS7) P restrictum Pduclauxi
Pasperum Pthomii Plividum Pjavanicum and Ppurpurogenum (EPAER14) were
applied in clay pots filled with 1 Kg soil In similler set endophytic Penicillium were
drench in each pots alongwith 1 cotton cake Seeds of mungbean (Vigna radiata)
were sown Four seedlings were kept in each pot after germination Carbendazim (200
ppm) 25 ml pot considered as positive control
After 45 days data were noted Different Fsolani and Foxysporum infection
showed between plants treated with different isolates was significant Endophytic
Penicillium isolates separete or combine with cotton cake caused significant reduction
M phaseolina infection Plants grown in soil treated with Pnigricans Pregulosum P
decumbens Ppurpurogenum (EPEHS7) Pthomii Plividum Pjavanicum and
Ppurpurogenum (EPAER14) in cotton cake amended soil showed no infection of R
solani (Table 16)
Cotton cake and Pnigricans Pthomii Pjavanicum significant increased root
length and fresh root weight related to control plants While combine use of cotton cake
and P decumbens significantly improved fresh shoot weight (Table 17)
78
Table16 Effect of Endophytic Penicillium and cotton cake on the infection of Fusarium solani Foxysporum Rhizoctonia solani and
Macrophomina phaseolina on mungbean roots in green house experiment
Infection
Treatments Code Foxysporum
Fsolani
M phaseolina Rsolani
NS AS NS AS NS AS NS AS
Control hellip 50 50 100 75 100 75 0 187
Carbendazim hellip 125 50 50 75 187 75 0 187
P decumbens EPAIR6 125 0 375 312 187 375 0 0
Pnigricans EPSLR4 62 187 50 437 125 375 0 0
Pregulosum EPAAR5 125 62 437 125 312 187 62 0
P citrinum EPSMR1 62 25 437 437 0 437 62 187
Plilacinum EPSMS2 0 375 50 687 312 25 187 62
Ppurpurogenum EPSML3 0 437 375 50 25 687 437 185
Pduclauxi EPASS9 0 312 437 562 25 562 62 65
Plividum EPMCL12 62 125 25 25 125 25 62 0
Ppurpurogenum EPEHS7 62 0 375 312 187 125 62 0
Prestrictum EPCTS8 125 312 437 312 0 312 62 65
Pthomii EPAER11 62 187 437 437 125 375 0 0
Ppurpurogenum EPAER14 62 0 375 312 187 125 62 0
Pjavanicum EPSLR13 62 187 50 437 125 375 0 0
Pasperum EPHAL10 437 375 25 312 25 562 0 125
LSD005 Treatment=5891 Pathogen=2942 Soil Type=2083
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
3Mean values in the NS and AS column showing difference greater than LSD value are significantly different at plt005
NS= Natural Soil AS=Amended Soil
79
Table17 Effect of Endophytic Penicillium and Cotton cake on the growth of mung bean in green house experiment
Treatments Code
Shoot Length
Shoot Weight Root Length Root weight
(cm)
(g)
(cm)
(g)
NS AS NS AS NS AS NS AS
Control hellip 1375 1364 078 089 1531 613 051 031
Carbendazim hellip 139 1398 073 106 1556 699 056 038
P decumbens EPAIR6 1359 147 089 142 1233 79 055 039
Pnigricans EPSLR4 1463 1435 077 119 1125 1185 031 071
Pregulosum EPAAR5 1358 1322 073 101 1943 746 032 036
P citrinum EPSMR1 1299 1318 059 193 165 961 039 037
Plilacinum EPSMS2 148 1438 083 116 251 1096 046 045
Ppurpurogenum EPSML3 1299 1318 059 193 165 961 039 037
Pduclauxi EPASS9 1187 1438 069 13 1108 1178 017 048
Plividum EPMCL12 132 1323 061 107 2252 1024 026 048
Ppurpurogenum EPEHS7 1448 12875 092 107 1543 933 059 041
Prestrictum EPCTS8 1268 1453 068 128 1087 972 031 046
Pthomii EPAER11 1463 1435 077 119 1125 1185 031 071
Ppurpurogenum EPAER14 1448 12875 092 107 1543 933 059 041
Pjavanicum EPSLR13 1463 1435 077 119 1125 1185 031 071
Pasperum EPHAL10 1463 1453 077 128 1125 972 031 046
LSD005 1611 2661 0191 091 8421 271 0171 0291
1 Difference greater than LSD values among means in column are significant at plt005
NS= Natural Soil AS=Amended Soil
80
375 Effect of endophytic Penicillium in inhibition of root diseases and
mungbean growth
A 25 ml five-day-old cell suspension of fourteen isolates of endophytic
Penicillium viz P citrinum Plilacinum Ppurpurogenum (EPSML3) Pnigricans
Pregulosum P decumbens Ppurpurogenum (EPEHS7) P restrictum Pduclauxi
Pasperum Pthomii Plividum Pjavanicum and Ppurpurogenum (EPAER14) were
applied in clay pots filled with 1 Kg soil In similler set endophytic Penicillium were
drench in each pots alongwith 1 cotton cake Seeds of mungbean (Vigna radiata)
were sown Four seedlings were kept in each pot after germination Carbendazim (200
ppm) 25 ml pot considered as positive control
No infection of Foxysporum was found by Plilacinum and Pduclauxi
treatments Significant reduction in infection of Fsolani was seen by all isolates No
infection of Mphaseolina was showed by P citrinum and P restrictum All treatments
showed significant reduction on infection of Rsolani although Pnigricans P
decumbens Pthomii and Pjavanicum showed 0 infection (Table 18)
Application of Endophytic Pasperum caused a significant increase in plant
height Showed significant result in natural soil P citrinum caused significant growth
on Shoot weight Root length showed non-significant result P decumbens showed
greater fresh root weight (Table 19)
81
Table18 Effect of Endophytic Penicillium on the infection of Fusarium solani Foxysporum Rhizoctonia solani and
Macrophomina phaseolina on mung bean roots in green house experiment
Treatments Code Foxysporum Fsolani M phaseolina Rsolani
Infection
Control --------- 50 100 100 50
Carbendazim --------- 25 50 50 62
P decumbens EPAIR6 125 375 187 0
Pnigricans EPSLR4 62 50 125 0
Pregulosum EPAAR5 125 437 312 62
P citrinum EPSMR1 62 437 0 62
Plilacinum EPSMS2 0 50 312 187
Ppurpurogenum EPSML3 25 25 312 25
Pduclauxi EPASS9 0 437 25 62
Plividum EPMCL12 62 25 125 65
Ppurpurogenum EPEHS7 62 375 187 62
Prestrictum EPCTS8 125 437 0 62
Pthomii EPAER11 62 50 125 0
Ppurpurogenum EPAER14 62 375 187 62
Pjavanicum EPSLR13 62 50 125 0
Pasperum EPHAL10 437 25 25 62
LSD005 Treatment=7601 Pathogen=3802
82
Table19 Effect of endophytic Penicillium on the growth of mung bean in green house experiment
Treatments Code Shoot Lenght Shoot Weight Root Length Root weight
(cm) (g) (cm) (g)
Control ---------- 1475 0522 4972 0098
Carbendazim --------- 1635 0987 3737 009
P decumbens EPAIR6 1382 0799 4462 0154
Pnigricans EPSLR4 1088 0794 4467 0101
Pregulosum EPAAR5 1414 0737 391 0087
P citrinum EPSMR1 1344 0987 4617 0137
Plilacinum EPSMS2 1399 0823 4195 0128
Ppurpurogenum EPSML3 1344 0987 4617 0137
Pduclauxi EPASS9 1434 0696 4127 0096
Plividum EPMCL12 1639 0752 4147 0121
Ppurpurogenum EPEHS7 1471 0642 435 0085
Prestrictum EPCTS8 1468 0928 4153 0088
Pthomii EPAER11 1482 0711 3865 0072
Ppurpurogenum EPAER14 1471 0642 435 0085
Pjavanicum EPSLR13 1482 0711 3865 0072
Pasperum EPHAL10 1608 0787 3875 0066
LSD005 2891 0261 0741 0051
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
83
84
376 Effect of endophytic Penicillium in soil amended with neem cake in
inhibition the root diseases and tomato growth
In this experiment 25 ml of five-day-old cell suspension of fourteen isolates of
endophytic Penicillium viz P citrinum Plilacinum Ppurpurogenum (EPSML3)
Pnigricans Pregulosum P decumbens Ppurpurogenum (EPEHS7) P restrictum
Pduclauxi Pasperum Pthomii Plividum Pjavanicum and Ppurpurogenum
(EPAER14) were applied in each pots filled 1 Kg soil In same other set endophytic
Penicillium were applied in each pots alongwith 10g neem cake per pot Three-week-
old four equal sized tomato (Lycopersicon exculentum) seedlings grown in autoclaved
soil were shifted in pots Carbendazim (200 ppm) 25 ml pot considered as positive
control Treatments were replicated four times and data were noticed after 60 days
Application of endophytic P decumbens P citrinum and Pduclauxi and P
restrictum alone affected a complete suppression of Foxysporum infection Whereas
Pduclauxi was found no infection of Foxysporum when used with neem cake (Table
20) Endophytic Penicillium are found effective against Fsolani in both type of soil
When P decumbens and Pduclauxi were used alone Infection of M phaseolina was
significantly reduced In neem cake amended soil untreated control showed no infection
of M phaseolina Difference in R solani infection among plants received different
treatment was non significant in both type of soil natural and amended (Table 20)
Plants grown in natural soil received P decumbens Pnigricans Pduclauxi
Ppurpurogenum (EPAER14) and Pjavanicum fungal culture showed better growth
than untreated control Pasperum with neem cake showed highly significant plant
height of 24cm (Table 21 and Fig18-20)
85
Table20 Effect of endophytic Penicillium and neem cake on the infection of Fusarium solani Foxysporum Rhizoctonia solani and
Macrophomina phaseolina on tomato roots in green house experiment
Infection
Treatments Code Foxysporum
Fsolani
M phaseolina Rsolani
NS AS NS AS NS AS NS AS
Control hellip 437 312 625 625 312 0 312 0
Carbendazim hellip 562 187 312 437 875 187 375 0
P decumbens EPAIR6 0 437 62 562 187 125 75 0
Pnigricans EPSLR4 312 562 187 625 375 312 687 0
Pregulosum EPAAR5 25 562 437 562 312 0 437 62
P citrinum EPSMR1 0 50 62 625 625 62 75 0
Plilacinum EPSMS2 50 437 437 562 375 125 687 62
Ppurpurogenum EPSML3 50 62 437 312 437 125 437 0
Pduclauxi EPASS9 0 0 62 25 187 125 50 62
Plividum EPMCL12 50 437 437 562 375 0 687 62
Ppurpurogenum EPEHS7 62 187 312 25 375 25 375 125
Prestrictum EPCTS8 0 312 187 437 25 187 562 0
Pthomii EPAER11 187 562 312 562 50 312 562 0
Ppurpurogenum EPAER14 62 187 312 25 375 25 375 125
Pjavanicum EPSLR13 312 562 187 625 375 312 687 0
Pasperum EPHAL10 62 312 125 562 25 62 812 0
LSD005 Treatment=5921 Pathogen=2962 Soil Type=2093
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
3Mean values in the NS and AS column showing difference greater than LSD value are significantly different at plt005
NS= Natural Soil AS=Amended Soil
86
Table 21 Effect of endophytic Penicillium and neem cake on the growth of tomato in green house experiment
Treatments Code Shoot Length Shoot Weight Root Length Root weight
(cm) (g) (cm) (g)
NS AS NS AS NS AS NS AS
Control hellip 12 1544 18 407 126 333 155 063
Carbendazim hellip 1318 2362 177 802 943 637 134 156
P decumbens EPAIR6 1672 1131 243 153 1185 666 057 033
Pnigricans EPSLR4 1681 1357 247 201 1082 848 069 033
Pregulosum EPAAR5 1497 1841 211 295 1106 833 05 048
P citrinum EPSMR1 1732 1755 297 389 922 1149 064 056
Plilacinum EPSMS2 132 1303 193 254 1242 529 052 046
Ppurpurogenum EPSML3 128 1087 171 109 1078 612 054 025
Pduclauxi EPASS9 1672 2255 243 636 1185 597 057 11
Plividum EPMCL12 1307 1303 178 254 1242 529 052 046
Ppurpurogenum EPEHS7 1307 1581 178 382 1242 1025 054 094
Prestrictum EPCTS8 1513 1755 191 389 135 1149 046 056
Pthomii EPAER11 1328 1375 214 234 148 466 046 055
Ppurpurogenum EPAER14 1681 1581 178 382 1242 1025 048 094
Pjavanicum EPSLR13 1681 1357 247 201 1082 848 069 033
Pasperum EPHAL10 1328 2412 18 732 1225 775 06 126
LSD005 271 5171 0691 2091 3731 3031 1031 0631
1 Difference greater than LSD values among means in column are significant at plt005
NS= Natural Soil AS=Amended Soil
87
Fig18 Growth promotion by the endophytic Penicillium in tomato
EP
88
377 Effect of endophytic Penicillium in soil amended with cotton cake in
inhibition of root diseases and tomato growth
In this experiment 25 ml of five-day-old cell suspension of fourteen isolates of
endophytic Penicillium viz P citrinum Plilacinum Ppurpurogenum (EPSML3)
Pnigricans Pregulosum P decumbens Ppurpurogenum (EPEHS7) P restrictum
Pduclauxi Pasperum Pthomii Plividum Pjavanicum and Ppurpurogenum
(EPAER14) were applied in each pots filled 1 Kg soil In same other set endophytic
Penicillium were applied in each pots alongwith 10g neem cake per pot Three-week-old
four equal sized tomato (Solanum Lycopersicum) seedlings grown in autoclaved soil
were shifted in pots Carbendazim (200 ppm) 25 ml pot was considered as positive
control Treatments were replicated four times and data were recorded after 60 days
Application of endophytic P decumbens P citrinum Pduclauxi and P
restrictum alone affected a broad inhibition of Foxysporum infection Whereas
Pregulosum was found no infection of Foxysporum when used with cotton cake (Table
22) Endophytic Penicillium are found effective against Fsolani in natural soil In
cotton cake amended soil Pnigricans and Pduclauxi showed significant reduction in
Fsolani infection When P decumbens and Pduclauxi were used alone Infection of M
phaseolina was significantly reduced In cotton cake amended soil Pregulosum P
citrinum Plilacinum Ppurpurogenum (EPSML3) and Plividum showed no infection
of M phaseolina Difference in R solani infection among plants received different
treatment was non-significant in natural soil and in cotton cake amended soil no
infection of Rsolani was found (Table 22)
89
Table 22 Effect of endophytic Penicillium and cotton cake on the infection of Fusarium solani Foxysporum Rhizoctonia solani and
Macrophomina phaseolina on tomato roots in green house experiment
Infection
Treatments Code Foxysporum
Fsolani
M phaseolina Rsolani
NS AS NS AS NS AS NS AS
Control hellip 437 50 625 25 312 62 312 0
Carbendazim hellip 562 437 312 187 875 125 375 0
P decumbens EPAIR6 0 62 62 562 1875 187 75 0
Pnigricans EPSLR4 312 62 187 187 375 62 687 0
Pregulosum EPAAR5 25 0 437 437 312 0 437 0
P citrinum EPSMR1 0 62 62 562 625 0 75 0
Plilacinum EPSMS2 50 187 437 375 375 0 687 0
Ppurpurogenum EPSML3 50 187 437 62 437 0 437 0
Pduclauxi EPASS9 0 562 62 562 187 25 50 0
Plividum EPMCL12 50 187 437 375 375 0 687 0
Ppurpurogenum EPEHS7 62 125 312 437 375 125 375 0
Prestrictum EPCTS8 0 625 187 312 25 62 562 0
Pthomii EPAER11 187 312 312 25 50 125 562 0
Ppurpurogenum EPAER14 62 125 312 437 375 125 375 0
Pjavanicum EPSLR13 312 62 187 187 375 62 687 0
Pasperum EPHAL10 62 125 125 50 25 62 812 0
LSD005 Treatment=5691 Pathogen=2842 Soil Type=2013
1Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
3Mean values in the NS and AS column showing difference greater than LSD value are significantly different at plt005
NS= Natural Soil AS=Amended Soil
90
Plants grown in natural soil received P decumbens Pnigricans Pduclauxi
Ppurpurogenum (EPAER14) and Pjavanicum fungal culture showed better growth
than untreated control P restrictum with cotton cake showed highly significant plant
height Pnigricans and Pjavanicum showed greater fresh shoot weight in amended
soil Root length in both type of soil was non-significant Whereas fresh root weight
was non-significant in natural soil In cotton cake amended soil Pduclauxi showed
significant fresh root weight (Table 23 and Fig21)
378 Effect of endophytic Penicillium with neem cake in inhibition of root
diseases and chickpea growth
Fourteen isolates of endophytic Penicillium viz P citrinum Plilacinum
Ppurpurogenum (EPSML3) Pnigricans Pregulosum Pdecumbens Ppurpurogenum
(EPEHS7) P restrictum Pduclauxi Pasperum Pthomii Plividum Pjavanicum and
Ppurpurogenum (EPAER14) caused suppression of four root rotting fungi in vitro A
25ml cell suspension of five-day-old culture of fungal isolates were drench in each pots
filled with 1kg soil Carbendazim considered as positive control against root rotting
fungi Combine use of endophytic Penicillium and 1 Neem cake were drenched in
another same set Chickpea (Cicer arietinum) seeds were sown in pots (6 seeds per pot)
After one week four seedlings were kept in each pots and extra were detached
Treatments were replicated four times and watered daily Data were recorded after six
weeks
91
Table23 Effect of endophytic Penicillium and cotton cake on the growth of tomato in green house experiment
Treatments Code
Shoot
Length
Shoot
Length
Shoot
Weight
Shoot
Weight
Root
Length
Root
Length
Root
weight
Root
weight
(cm) (cm) (g) (g) (cm) (cm) (g) (g)
NS AS NS AS NS AS NS AS
Control hellip 12 1633 18 554 126 1757 155 105
Carbendazim hellip 1318 2232 177 666 943 2285 134 163
P decumbens EPAIR6 1672 205 243 539 1185 1225 057 125
Pnigricans EPSLR4 1681 225 247 83 1082 15 069 183
Pregulosum EPAAR5 1497 1978 211 548 1106 1046 05 153
P citrinum EPSMR1 1732 1912 297 512 922 9 064 155
Plilacinum EPSMS2 132 2347 193 741 1242 1298 052 156
Ppurpurogenum EPSML3 128 1725 171 465 1078 925 054 061
Pduclauxi EPASS9 1672 214 243 69 1185 153 057 237
Plividum EPMCL12 1307 2347 178 741 1242 1298 052 156
Ppurpurogenum EPEHS7 1307 2068 178 612 1242 1131 054 108
Prestrictum EPCTS8 1513 2467 191 828 135 1817 046 225
Pthomii EPAER11 1328 225 214 657 148 155 046 164
Ppurpurogenum EPAER14 1681 2068 178 612 1242 1131 048 108
Pjavanicum EPSLR13 1681 225 247 83 1082 15 069 183
Pasperum EPHAL10 1328 2101 18 525 1225 1095 06 135
LSD005 271 4291 0691 3281 3731 5851 1031 091
1 Difference greater than LSD values among means in column are significant at plt005
92
Fig 21 Growth promotion by the endophytic Penicillium in soil amended with cotton
cake in tomato
EP
93
Plants grown in pots received endophytic Penicillium isolates Ppurpurogenum
(EPSML3) and Pthomii in natural soil and in amended soil with neem cake P
decumbens Pnigricans Ppurpurogenum (EPSML3) Ppurpurogenum (EPEHS7)
Pjavanicum and Ppurpurogenum (EPAER14) showed no infection of F oxysporumIn
unamended soil Fsolani was found significantly reduced except isolate Pasperum
Whereas in amended soil infection of Fsolani was non significant In unamended soil
Mphaseolina was found significantly reduced Combine effect of isolates
Ppurpurogenum (EPSML3) Ppurpurogenum (EPEHS7) Ppurpurogenum (EPAER14)
and neem cake showed significant result on Mphaseolina infection Application of
Pregulosum P decumbens P restrictum Pduclauxi Pasperum and Pthomii showed
no infection of Rsolani in natural soil Amended soil with neem cake showed no
infection of Rsolani (Table 24)
Greater plant height was produced by P decumbens Pnigricans Pregulosum
and Pduclauxi when applied in natural soil Effect of P restrictum and P citrinum with
neem cake showed highest plant height Untreated control of amended soil showed
highest value of fresh shoot weight and fresh root weight related to other treatments
whereas fresh shoot weight in natural soil showed significant result in all treatments
except Pthomii P decumbens and Pduclauxi alone showed highest root length and
fresh root weight In amended soil Ppurpurogenum (EPAER14) showed significant
root length (Table 25 and Fig22-27)
94
Table24 Effect of endophytic Penicillium and neem cake on the infection of Fusarium solani Foxysporum Rhizoctonia solani and
Macrophomina phaseolina on chickpea roots in green house experiment
Infection
Treatments Code Foxysporum
Fsolani
M phaseolina Rsolani
NS AS NS AS NS AS NS AS
Control hellip 375 0 50 125 437 375 25 0
Carbendazim hellip 0 0 25 25 312 375 125 0
P decumbens EPAIR6 187 0 125 312 375 687 0 0
Pnigricans EPSLR4 125 0 312 437 375 562 375 0
Pregulosum EPAAR5 62 62 187 437 375 50 0 0
P citrinum EPSMR1 312 187 187 312 375 50 187 0
Plilacinum EPSMS2 62 62 437 125 62 625 25 0
Ppurpurogenum EPSML3 0 0 375 25 62 312 62 0
Pduclauxi EPASS9 187 375 125 25 375 50 0 0
Plividum EPMCL12 62 62 437 125 62 625 25 0
Ppurpurogenum EPEHS7 187 0 25 375 125 312 62 0
Prestrictum EPCTS8 375 375 25 25 125 50 0 0
Pthomii EPAER11 0 187 437 187 62 25 0 0
Ppurpurogenum EPAER14 187 0 25 375 125 312 62 0
Pjavanicum EPSLR13 312 0 187 43 312 562 375 0
Pasperum EPHAL10 125 62 50 125 125 812 0 0
LSD005 Treatment=4901 Pathogen=2452 Soil Type=1733
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
3Mean values in the NS and AS column showing difference greater than LSD value are significantly different at plt005
NS= Natural Soil AS=Amended Soil
95
Table25 Effect of endophytic Penicillium and neem cake on the growth of chickpea in green house experiment
Treatments Code Shoot Length Shoot Weight Root Length Root weight
(cm) (g) (cm) (g)
NS AS NS AS NS AS NS AS
Control hellip 2369 2225 274 837 274 975 211 303
Carbendazim hellip 239 2975 32 821 2187 1537 376 235
P decumbens EPAIR6 2925 2911 376 388 3037 1293 522 116
Pnigricans EPSLR4 293 3357 339 661 2331 1391 376 12
Pregulosum EPAAR5 2928 3315 332 633 2296 9 387 117
P citrinum EPSMR1 267 3384 313 668 2397 975 394 098
Plilacinum EPSMS2 2768 2801 31 698 2155 1132 35 109
Ppurpurogenum EPSML3 2587 3332 3075 738 267 137 432 141
Pduclauxi EPASS9 2925 2911 376 388 3037 1293 522 116
Plividum EPMCL12 2768 2801 31 698 2155 1132 35 109
Ppurpurogenum EPEHS7 2698 3077 326 506 2202 1565 413 139
Prestrictum EPCTS8 2667 3384 3205 668 2735 975 351 098
Pthomii EPAER11 239 30 296 799 2416 1062 427 125
Ppurpurogenum EPAER14 2698 3077 326 506 2202 1565 413 139
Pjavanicum EPSLR13 2618 3357 341 661 2587 1391 438 12
Pasperum EPHAL10 2856 2891 344 763 1921 1352 306 13
LSD005 471 4931 0941 3331 7321 5451 1611 11071
1 Difference greater than LSD values among means in column are significant at plt005
NS= Natural Soil AS=Amended Soil
96
Fig22 Growth promotion by the endophytic Penicillium in chickpea
Fig23 Growth promotion by the endophytic Penicillium in chickpea
EP
S
EP
97
Fig24 Growth promotion by the endophytic Penicillium in chickpea
EP
EP
98
Fig25 Growth promotion by the endophytic Penicillium in soil amended with neem cake
in chickpea
Fig 26 Growth promotion by the endophytic Penicillium in soil amended with neem cake
in chickpea
EP
EP
99
Fig27 Growth promotion by the endophytic Penicillium in soil amended with neem cake
in chickpea
379 Effect of endophytic Penicillium with mustard cake in suppressing the root
diseases and growth of chickpea
Fourteen isolates of endophytic Penicillium viz P citrinum Plilacinum
Ppurpurogenum (EPSML3) Pnigricans Pregulosum P decumbens Ppurpurogenum
(EPEHS7) P restrictum Pduclauxi Pasperum Pthomii Plividum Pjavanicum and
Ppurpurogenum (EPAER14) caused suppression of four root rotting fungi in vitro A
25ml cell suspension of five-day-old culture of fungal isolates were drench in each pots
filled with 1kg soil Carbendazim considered as positive control against root rotting
fungi Combine use of endophytic Penicillium and 1 mustared cake were drenched in
another same set Chickpea (Cicer arietinum) seeds were sown in pots (6 seeds per pot)
After one week four seedlings were kept in each pots and extra were detached
Treatments were replicated four times and watered daily Data were recorded after six
weeks
Root rot fungi infection was less in amended soil as compared to unamended
soil No infection of Foxysporum was found in Ppurpurogenum (EPSML3) and
Pthomii in unamended soil P citrinum Ppurpurogenum (EPSML3) Pnigricans
Pregulosum P decumbens Ppurpurogenum (EPEHS7) Pduclauxi Pjavanicum and
Ppurpurogenum (EPAER14) with mustard cake amendment showed complete
suppression of Foxysporum P decumbens and Ppurpurogenum (EPSML3) in
amended soil showed less infection of Fsolani while Plividum showed 100 infection
of Fsolani in amended soil Infection of M phaseolina in unamended soil was
significant whereas in amended soil untreated control showed no infection of M
phaseolina Treatment of Pthomii and Ppurpurogenum (EPAER14) in mustard cake
amended soil showed less infection of R solani while P citrinum Pnigricans
Pregulosum Pduclauxi Pjavanicum and Plividum showed non-significant result
(Table 26)
100
Natural soil showed greater plant height as compared to mustard cake amended
soil Pnigricans showed greater plant length as compared to other treatments In
amended soil plant height was non-significant statisticaly (Table 27)
101
Table 26 Effect of endophytic Penicillium and mustard cake on the infection of Fusarium solani Foxysporum Rhizoctonia solani and
Macrophomina phaseolina on chickpea roots in green house experiment
Infection
Treatments Code Foxysporum Fsolani M phaseolina Rsolani
NS AS NS AS NS AS NS AS
Control hellip 375 125 50 312 437 0 25 187
Carbendazim hellip 0 125 25 437 312 62 125 125
P decumbens EPAIR6 187 0 125 62 375 0 0 0
Pnigricans EPSLR4 125 0 312 437 375 187 375 437
Pregulosum EPAAR5 62 0 187 312 375 187 0 25
P citrinum EPSMR1 312 0 187 625 375 187 187 312
Plilacinum EPSMS2 62 62 437 50 62 25 25 125
Ppurpurogenum EPSML3 0 0 375 6 62 0 62 125
Pduclauxi EPASS9 187 0 125 625 375 62 0 312
Plividum EPMCL12 62 62 437 100 62 25 25 312
Ppurpurogenum EPEHS7 187 0 25 187 125 0 62 125
Prestrictum EPCTS8 375 62 25 125 125 125 0 62
Pthomii EPAER11 0 62 437 125 62 62 0 62
Ppurpurogenum EPAER14 187 0 25 187 125 125 62 125
Pjavanicum EPSLR13 312 0 187 312 31 187 375 437
Pasperum EPHAL10 125 0 50 187 125 0 0 0
LSD005 Treatment=4461 Pathogen=2232 Soil Type=1583
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
3Mean values in the NS and AS column showing difference greater than LSD value are significantly different at plt005
NS= Natural Soil AS=Amended Soil
102
Table 27 Effect of endophytic Penicillium and mustard cake on the growth of chickpea in green house experiment
Treatments Code Shoot Length Shoot Weight Root Length Root weight
(cm) (g) (cm) (g)
NS AS NS AS NS AS NS AS
Control hellip 2369 2188 274 406 274 692 211 58
Carbendazim hellip 239 2134 32 42 2187 937 376 499
P decumbens EPAIR6 2925 1525 376 288 3037 75 522 53
Pnigricans EPSLR4 293 1955 339 476 2331 758 376 137
Pregulosum EPAAR5 2928 1907 332 633 2296 875 387 1238
P citrinum EPSMR1 267 1916 313 556 2397 756 394 1172
Plilacinum EPSMS2 2768 1929 31 417 2155 946 35 383
Ppurpurogenum EPSML3 2587 12 3075 241 267 65 432 532
Pduclauxi EPASS9 2925 192 376 561 3037 1115 522 819
Plividum EPMCL12 2768 1929 31 417 2155 946 35 383
Ppurpurogenum EPEHS7 2698 1787 326 55 2202 925 413 734
Prestrictum EPCTS8 2667 185 3205 315 2735 45 351 099
Pthomii EPAER11 239 2305 296 626 2416 9 427 931
Ppurpurogenum EPAER14 2698 1787 326 55 2202 925 413 739
Pjavanicum EPSLR13 2618 2305 341 626 2587 9 438 931
Pasperum EPHAL10 2856 1662 344 582 1921 925 306 834
LSD005 471 6131 0941 3011 7321 2921 1611 6151
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
NS=NaturalSoilAS=AmendedSoil
103
3710 Effect of endophytic Penicillium and fungicides in inhibition of root infection
and sunflower growth
Four isolates of endophytic Penicillium viz P citrinum (EPSMR1) Pnigricans
(EPSLR4) P decumbens (EPAIR6) and Pasperum (EPHAL10) caused suppression of
four root rotting fungi in vitro and revealed significant growth in in vivo were selected to
evaluate the combine effect with three different fungicides (Feast-M Carbendazim and
Topsin-M) A 25ml five-day-old cell suspension of fungal isolates were applied in pots
filled with 1kg soil In same other set pots were also applied combine application of
endophytic Penicillium and fungicides Each fungicide were also drench 25ml of 200ppm
in each pot Sunflower (Helianthus annuus) seeds were sown in pot (6 seeds per pot)
After one week four seedlings were kept in pots and extra were detached Treatments were
replicated four times and watered according to requirement Data were recorded after six
weeks
All three fungicides alone showed no infection of F oxysporum Plants grown in pots
received endophytic Penicillium isolate P decumbens and Pasperum with Feast-M showed
no infection of infection of F oxysporum Plants grown in pots received endophytic
Penicillium isolate Pnigricans with carbendazim and Pnigricans and P citrinum with
Topsin-M showed complete suppression of infection of F oxysporum All treatments
showed less infection of Fsolani as compared to control All treatments showed less
infection of Mphaseolina as compared to untreated control except P citrinum Pnigricans
alone and P decumbens Pasperum combine with Topsin-M showed 100 Mphaseolina
infection on sunflower roots Combine effect of Pasperum with Topsin-M and P citrinum
alone showed no infection of Rsolani Feast-M+ Pasperum and carbendazim showed no
difference from untreated control (Table 28)
Greater plant height was produced by carbendazim+ Pnigricans However greater
fresh shoot weight was produced by Feast-M alone (Table 29)
104
Table 28 Effect of endophytic Penicillium and fungicides on the infection of Fusarium solani Foxysporum Rhizoctonia solani and
Macrophomina phaseolina on sunflower roots in green house experiment
Infection
Treatments Foxysporum Fsolani M phaseolina Rsolani
Control 75 100 100 75
Feast-M 0 37 687 625
Feast-M+ P citrinum 62 75 625 687
Feast-M+ Pnigricans 187 812 687 687
Feast-M+ P decumbens 0 312 50 625
Feast-M+ Pasperum 0 50 81 75
Carbendazim 0 812 75 75
Carbendazim+P citrinum 62 562 87 687
Carbendazim+ Pnigricans 0 75 625 187
Carbendazim+P decumbens 62 812 812 687
Carbendazim+ Pasperum 187 562 75 312
Topsin-M 0 437 812 62
Topsin-M+ P citrinum 0 812 437 125
Topsin-M+ Pnigricans 0 75 312 437
Topsin-M+P decumbens 687 687 100 25
Topsin-M+ Pasperum 875 25 100 0
P citrinum 437 687 100 0
Pnigricans 125 812 100 62
P decumbens 187 50 437 187
Pasperum 125 50 562 125
LSD005 Treatment=11271 Pathogen=5042
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
105
Table 29 Effect of endophytic Penicillium and fungicides on the growth of sunflower in green house experiment
Treatments ShootLength ShootWeight Root Length Root weight
Control 3197 339 288 288
Feast-M 4269 451 526 526
Feast-M+ P citrinum 4024 367 434 434
Feast-M+ Pnigricans 4008 347 381 381
Feast-M+ P decumbens 4137 348 513 513
Feast-M+ Pasperum 3685 341 492 492
Carbendazim 3675 319 398 398
Carbendazim+ P citrinum 3933 326 464 464
Carbendazim+ Pnigricans 394 323 466 466
Carbendazim+ P decumbens 3807 315 527 527
Carbendazim+ Pasperum 3729 259 47 47
Topsin-M 3935 314 383 383
Topsin-M+ P citrinum 3353 264 388 388
Topsin-M+ Pnigricans 3386 299 427 427
Topsin-M+ P decumbens 337 229 409 409
Topsin-M+ Pasperum 3249 264 433 433
P citrinum 3268 249 432 432
Pnigricans 2788 201 401 401
P decumbens 3421 3007 446 446
Pasperum 3262 229 363 363
LSD005 5751 0811 1041 1041
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
106
3711 Effect of endophytic Penicillium on okra growth
In this experiment six seeds of okra (Abelmoschus esculentus) were sown in
earthen pots filled with 5 kg garden soil and watered watered daily to gained the 50
WHC (Keen and Raczkowiski 1921) P nigricans (EPSLR4) P rugulosum (EPAAR5)
and P decumbens (EPAIR6) (8x107 cfumL) used as soil drench in each pot and four
seedlings were kept after germination Treatments were replicated four times in screen
house Carbendazim was considered as a positive control and data were recorded after 90
days of germination
Treatments showed significant (Plt005) reduction of F solani and R solani
related to control (Table 30)
Application of P rugulosum resulted maximum plant height highest shoot weight
and root length while maximum root weight produced due to the treatment of carbendazim
and P decumbens Maximum number of fruits produced by Pnigricans and P decumbens
resulted highest fresh fruit weight(Table 31)
Highest polyphenol content resulted by Pnigricans and highest antioxidant activity
determined due to the drenching of Pnigricans after 1 minute and after 30 minute
Application of P rugulosum resulted maximum production of salicylic acid (Table 31)
Application of antagonist showed significant outcome on okra fruits Highest pH
showed by Pnigricans Application of P decumbens resulted highest tritable acidity value
then in Pnigricans and P rugulosum (Table 33) Application of carbendazim resulted
highest moisture content then in P rugulosum in fruits Maximum protein resulted by P
rugulosum then in P decumbens while highest carbohydrate caused by P decumbens
then in Pnigricans All the treatments showed significant (Plt005) Increased polyphenol
content showed by all treatments as compared to control (Table 34) P decumbens
resulted highest polyphenol followed by P rugulosum as compared to untreated plants P
rugulosum resulted significant improve in antioxidant potentail(Fig28)
107
Table30 Effect of endophytic Penicillium as soil drench on the infection of Macrophomina phaseolina Rhizoctonia solani Fusarium
solani and F oxysporum in garden soil
Infection
Treatments Foxysporum Fsolani M phaseolina Rsolani
Control 0 50 625 50
Carbendazim 0 125 100 312
P decumbens 0 0 625 312
Pnigricans 0 62 50 125
P rugulosum 0 187 562 25
LSD005 Treatment=14321 Pathogen=12802
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
108
Table31 Effect of endophytic Penicillium as soil drench on growth of okra plants in garden soil
Treatments Shoot Length Shoot Weight Root Length Root Weight Number of
Fruits Fruit weight
(cm) (g) (cm) (g)
Control 3831 1058 1596 305 023c 708c
Carbendazim 3421 832 1659 546 045b 683c
P decumbens 4523 1167 1756 438 052a 1106a
Pnigricans 4265 1172 1794 188 054a 894b
P rugulosum 4592 1295 1967 2405 025c 533d
LSD005 511 4281 3431 581 00261 04841
1 Difference greater than LSD values among means in column are significant at plt005
109
Table32 Effect of endophytic Penicillium as soil drench on polyphenol salicylic acid and antioxidant activity of okra plants in garden
soil
Treatments Polyphenol Antioxidant () Salicylic Acid
microgml After 1 minute After 30 minutes microgml
Control 137e 2711e 2878e 0053d
Carbendazim 172d 4608d 4908d 0048e
P decumbens 308c 4974c 5256c 0093c
Pnigricans 424a 5744a 6229a 0116b
P rugulosum 364b 5393b 5859b 0161a
LSD005 00311 01361 04211 00041
1 Difference greater than LSD values among means in column are significant at plt005
110
Table33 Effect of endophytic Penicillium as soil drench on biochemical parameters of ok ra fruits
Treatments pH Tritable acidity Moisture content Total solids Total Soluble Solid
Sucrose
Control 587c 0087c 8668d 1353b 245d
Carbendazim 585c 013b 9175a 803e 257c
P decumbens 59c 0194a 8434e 1559a 31a
Pnigricans 629a 0128b 8715c 1287c 28b
P rugulosum 605b 0128b 8808b 1185d 317a
LSD005 0121 000571 0211 01031 0121
1 Difference greater than LSD values among means in column are significant at plt005
111
Table 34 Effect of endophytic Penicillium as soil drench on polyphenol antioxidant activity protein and carbohydrates of okra fruits
in garden soil
Treatments Antioxidant Polyphenol Protein Carbohydrates
microgml microgml microgml
Control 2647e 665e 13e 69d
Carbendazim 3575d 734d 27d 86c
P decumbens 4906c 1613a 5263b 1033a
Pnigricans 5115b 96c 39c 99b
P rugulosum 5631a 122b 5566a 9833b
LSD005 10591 01441 21941 3711
1 Difference greater than LSD values among means in column are significant at plt005
112
3712 Effect of endophytic Penicillium on the growth root rotting fungi and
induction of systemic resistance in tomato
Filled earthen pots with 5 kg of soil and watered according to requirement to
maintain 50 WHC (Keen and Raczkowiski 1921) P nigricans (EPSLR4) P
rugulosum (EPAAR5) and P decumbens (EPAIR6) (8x107 cfumL) used as soil drench
Four equal sized seedlings of tomato were transfered in pots Treatments were four time
replicated Carbendazim was considered as a positive control and data were recorded
after 90 days
Most of the treatment showed significant (Plt005) results of R solani F solani
and M phaseolina as relation to control plants (Table 35)
Application of Pnigricans showed highest plant height shoot weight by P
decumbens Maximum number of fruits produced by Pnigricans and P decumbens
resulted highest fresh fruit weight(Table 36)
P rugulosum showed improved polyphenol as compare to control plants
Highest antioxidant activity resulted by P decumbens and carbendazim after 1 minute
and after 30 minute P rugulosum showed highest antioxidant activity Application of
Pnigricans and P decumbens resulted maximum production of salicylic acid (Table
37)
Application of endophytic Penicillium showed significant effect on tomato
fruits Highest pH noticed when soil treated with Pnigricans and P decumbens
Maximun tritable acidity produced by P decumbens (Table 38) Highest protein
produced by P rugulosum then in P decumbens while carbohydrate resulted by
Pnigricans followed by P decumbens All the treatments showed increase polyphenol
content as compare to control (Table 39) Pnigricans showed significant enhancment in
antioxidant activity related to control
113
Table35 Effect of endophytic Penicillium as soil drench on the infection of Macrophomina phaseolina Rhizoctonia solani Fusarium
solani and F oxysporum in garden soil
Infection
Treatments Foxysporum Fsolani M phaseolina Rsolani
Control 312 100 937 562
Carbendazim 187 125 625 0
P decumbens 437 62 312 0
Pnigricans 312 0 187 25
P rugulosum 187 0 187 312
LSD005 Treatment1=1455 Pathogen2=1302
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
114
Table36 Effect of endophytic Penicillium as soil drench on growth of tomato plants in garden soil
Treatments Shoot Length Shoot Weight Root Length Root Weight Number of Fruits Fruit weight
(cm) (g) (cm) (g)
Control 52 1974 1816 35 30a 5801b
Carbendazim 4646 1322 1629 237 20c 4083a
P decumbens 443 2161 1283 418 2133c 995a
Pnigricans 55 1892 1561 315 32a 4286d
P rugulosum 5197 1695 1205 334 256b 4779c
LSD005 1481 18611 5391 4011 3781 0131
1 Difference greater than LSD values among means in column are significant at plt005
115
Table 37 Effect of endophytic Penicillium as soil drench on polyphenol salicylic acid and antioxidant activity of tomato plants in
garden soil
Treatments Polyphenol Antioxidant () Salicylic Acid
microgml After 1 minute After 30 minutes microgml
Control 090a 40a 139a 014a
Carbendazim 019a 49a 127a 018a
P decumbens 0076a 44a 131a 019a
Pnigricans 0076a 33a 103a 019a
P rugulosum 0108a 33a 292a 017a
LSD005 01081 01671 0301 00791
1 Difference greater than LSD values among means in column are significant at plt005
116
Table 38 Effect of endophytic Penicillium as soil drench on biochemical parameters of tomato fruits
Treatments pH Tritable acidity Firmness Total Soluble Solid
N Sucrose
Control 411c 023c 34a 323c
Carbendazim 418b 027bc 143b 806a
P decumbens 43a 034a 076b 676ab
Pnigricans 43a 030ab 126bc 613b
P rugulosum 418b 030ab 086bc 686ab
LSD005 00621 00541 0211 1311
1 Difference greater than LSD values among means in column are significant at plt005
117
Table 39 Effect of endophytic Penicillium as soil drench on polyphenol antioxidant activity protein and carbohydrates of tomato
fruits in garden soil
Treatments Antioxidant Polyphenol Protein Carbohydrates
microgml microgml microgml
Control 1966c 573e 16d 63a
Carbendazim 333b 756d 28c 78a
P decumbens 503a 1853a 51a 104a
Pnigricans 52a 1026c 41b 97a
P rugulosum 496a 125b 52a 96a
LSD005 5591 0471 5771 2391
1 Difference greater than LSD values among means in column are significant at plt005
118
38 FIELD EXPERIMENTS
381 Effect of Pseudomonas monteilii and endophytic Penicillium on okra growth in
field condition
The experiment carried out in 2 times 2 meter field and replicated four times Cell
suspension of endophytic Penicillium (8x107 cfumL) were drench at 200-ml per meter row
alone and in combination with Pseudomonas monteilii 20 seeds of okra were seeded in
rows Topsin-M at 200 ppm were also used alone as a positive control On the basis upon
the requirement plants were watered with difference of 2-3 days The field had infestation
of 2080 cfug of soil of a diverse population of F solani and F oxysporum 10-22
sclerotia of M phaseolina g of soil and 8-17 colonization of R solani on sorghum
seeds used as baits naturally To evaluate the potential of Pseudomonas monteilii and
endophytic Penicillium plants were harvested (form each row 4 plants took) after 45 and
90 days of germination Incidence of root rotting fungi plant physical parameters and
resistance biomarkers were recorded
Significant (Plt005) inhibition of F oxysporum showed by most of treatments as
compere to control except P rugulosum P decumbens + Pseudomonas monteilii and
Topsin-M after 45 days (Table 40) Maximum reduction of Fsolani were observed in
plants treated with Pseudomonas monteilii and Pnigricans + Pseudomonas monteilii after
45 days While maximum reduction of M phaseolina observed in application of P
rugulosum+ Pseudomonas monteilii after 45 days Application of P rugulosum+
Pseudomonas monteilii and Pnigricans showed maximum reduction of Rsolani after 45
days
Highest length of shoot and weight of shoot were observed in plants Maximum
plant hieght were observed after 45 and 90 days intervals with mixed application of
Pnigricans with Pseudomonas monteilii Highest weight of shoot were also observed in
combine application of Pnigricans with Pseudomonas monteilii after 45 and 90 days
while application of Pseudomonas monteilii resulted maximum length of root after 45
days Significant increase in root length produced after 90 days from combine application
of Pnigricans with Pseudomonas monteilii Highest root weight resulted from combine
119
application of Pnigricans with Pseudomonas monteilii after 45 and 90 days Combine
application of P decumbens with Pseudomonas monteilii resulted highest number and
weight of fruits produced after 90 days (Table 41)
After 45 days most of the treatments shown significantly high phenols except
Topsin-M Most of the treatments shown maximum antioxidant activity significantly
except P rugulosum after 1 minute whereas maximum antioxidant activity showed by
Pseudomonas monteilii after 30 minutes P decumbens showed maximum production of
salicylic acid after 45 days (Table 42)
All the treatment showed significant effect on phenolic content except Topsin-M
and P decumbens whereas all the treatment showed significant effect on antioxidant
activity except Topsin-M and P decumbens with Pseudomonas monteilii after 1 and 30
minutes after 90 days Maximum production of salicylic acid showed in combine treatment
of Pnigricans with Pseudomonas monteilii after 90 days (Table 43)
In this experiment combine application of Pseudomonas monteilii and endophytic
Penicillium showed significant increase in physiobiochemical of okra fruits Combine
activity of Pnigricans + Pseudomonas monteilii resulted highest antioxidant activity in
fruits followed by Pseudomonas monteilii alone Highest polyphenol content resulted due
to the application of Pseudomonas monteilii followed by combine application of P
rugulosum with Pseudomonas monteilii Protein were showed maximum in combine
application of P decumbens with Pseudomonas monteilii and Pseudomonas monteilii
alone (Table 44) On the other side carbohydrate content observed highest in combine
application of P rugulosum with Pseudomonas monteilii Application of Pseudomonas
monteilii resulted maximum of total solids whereas combination of P rugulosum with
Pseudomonas monteilii produced highest of moisture Significant increase in pH showed
by Topsin-M followed by combination of Pnigricans with Pseudomonas monteilii and
maximum tritable acidity was showed by P decumbens (Table 45)
120
Table 40 Effect of Pseudomonas monteilii and endophytic Penicillium as soil drench on the infection of M phaseolina Rsolani F
solani and F oxysporum in soil under field condition
Infection
Treatments Foxysporum Fsolani M phaseolina Rsolani
45 90 45 90 45 90 45 90
Control 375 0 562 312 937 100 562 0
Topsin-M 375 0 625 25 937 100 687 0
Pseudomonas monteilii 25 62 25 312 875 100 625 0
P decumbens 62 0 50 375 68 100 375 0
Pnigricans 125 187 562 687 875 100 312 0
P rugulosum 312 62 562 375 812 100 437 0
P rugulosum + Pseudomonas monteilii 187 12 312 50 625 937 312 0
P decumbens + Pseudomonas monteilii 312 62 437 25 812 687 562 0
Pnigricans + Pseudomonas monteilii 62 125 25 375 687 625 75 0
LSD005 Treatments1= 8931 Pathogens2=5952 Treatments1=13341 Pathogens2=8 892
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
121
Table 41 Effect of Pseudomonas monteilii and endophytic Penicillium as soil drench on growth of okra plants under the field
condition
Treatments Shoot Length
(cm)
Shoot Weight
(g)
Root Length
(cm)
Root Weight
(g)
Number
of Fruits
Fruit
weight
Control 45 90 45 90 45 90 45 90 90 90
Topsin-M 4178 6192 2228 4325 1368 2426 204 823 086g 246i
Pmontelii 422 6375 1765 4731 1267 2377 133 98 12f 31h
Penicillium decumbens 477 6861 2271 507 1839 2684 255 1056 246b 456d
P nigricans 4233 6617 1971 4887 1486 2578 167 1003 143e 1146a
Prugulosum 4866 7083 1635 5095 1378 2311 172 967 176d 331g
P rugulosum 4373 7026 2063 2051 1371 2464 169 709 123f 35f
P rugulosum + P monteilii 5768 8658 3164 5518 1167 3008 207 1208 143e 42e
P decumbens + P monteilii 5553 9499 1867 5897 1409 2938 187 1217 277a 661b
Pnigricans + P monteilii 5907 9867 4043 6095 14 3188 296 1923 22c 623c
LSD005 961 1321 131 1181 3551 1371 0831 2961 0111 0111
1 Difference greater than LSD values among means in column are significant at plt005
122
Table 42 Effect of Pseudomonas monteilii and endophytic Penicillium as soil drench on polyphenol salicylic acid and antioxidant
activity of okra plants in soil under field condition after 45 days
Treatments
Polyphenol
microgml
Antioxidant () Salicylic Acid
microgml After 1 minute After 30 minutes
Control 183h 7314e 7721e 007f
Topsin-M 146i 9119a 9886a 0113d
Pseudomonas monteilii 321f 784d 8466d 0144c
P decumbens 245g 6639g 6858g 0168a
Pnigricans 573c 8044c 8852c 0084e
P rugulosum 474d 7074f 7643f 0154bc
P rugulosum + P monteilii 336e 5045i 6038h 0105d
P decumbens + P monteilii 713b 5186h 5779i 0086e
Pnigricans + P monteilii 773a 8356b 8992b 0165ab
LSD005 00721 10191 06531 00121
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
123
Table 43 Effect of Pseudomonas monteilii and endophytic Penicillium as soil drench on polyphenol salicylic acid and antioxidant
activity of okra plants in soil under the field condition after 90 days
Treatments Polyphenol
microgml
Antioxidant () Salicylic Acid
microgml After 1 minute After 30 minutes
Control 25def 6656e 7135f 0038g
Topsin-M 183f 4922f 5575g 0074bc
Pseudomonas monteilii 326cde 8345a 8885a 0052e
P decumbens 226ef 7804b 8539b 0072c
Pnigricans 52b 7726c 8233c 0066d
P rugulosum 41c 7165d 7851d 0042f
P rugulosum + P monteilii 343cd 7744c 8241c 0066d
P decumbens + P monteilii 683a 3254g 4917h 0077b
Pnigricans + P monteilii 74a 6852e 7604e 0105a
LSD005 10061 05191 04731 0003081
1 Difference greater than LSD values among means in column are significant at plt005
124
Table44 Effect of Pseudomonas monteilii and endophytic Penicillium as soil drench on polyphenol antioxidant activity protein and
carbohydrates of okra fruits in soil under field condition
Treatments Antioxidant Polyphenol Protein Carbohydrate
microgml microgml microgml
Control 5102g 646g 1466g 5966f
Topsin-M 5514f 716f 2566f 67e
Pseudomonas monteilii 6662b 136a 6766a 126a
P decumbens 5933d 976d 56d 101b
Pnigricans 5838d 816e 43e 92d
P rugulosum 6521c 114c 59c 96c
P rugulosum + P monteilii 5659e 124b 66b 102b
P decumbens + P monteilii 6616bc 11c 6766a 100b
Pnigricans + P monteilii 6909a 86e 56d 97c
LSD005 10451 06241 14081 2471
1 Difference greater than LSD values among means in column are significant at plt005
125
Table 45 Effect of Pseudomonas monteilii and endophytic Penicillium as soil drench on
biochemical parameters of okra fruits under field condition
Treatments pH
Tritable
acidity
Moisture
content
Total
solids
Total Soluble
Solid
Sucrose
Control 624a 0102c 8774b 1222f 1425e
Topsin-M 619ab 0126b 8653e 1339b 1475e
Pseudomonas monteilii 615b 0124b 8458f 1522a 2975d
P decumbens 606d 0185a 8632e 1355b 3125cd
Pnigricans 613bc 0127b 8752bcd 1249de 33bc
P rugulosum 607cd 0124b 8735cd 1256d 302d
P rugulosum + P monteilii 606d 0123b 8842a 117g 375a
P decumbens + Pmonteilii 603d 0122b 876bc 1233ef 342b
Pnigricans + P monteilii 616b 0125b 8723d 128c 305d
LSD005 00641 00041 03021 0171 02221
1 Difference greater than LSD values among means in column are significant at plt005
126
127
128
4 DISCUSSION
Microbes and Higher plants are the rich source of novel drugs In last 50 years
numerous effective drugs primarily extracted from fungi have been discoverd
(Smedsgaard and Nielsen 2005) Among them many bioactive compounds have been
produced from endophytes also known as an exceptional source as its capability to
inhabitate the plants in every environmental condition (Strobel and Daisy 2003) In
current study 14 endophytic Penicillium isolates were isolated (root stem and leaves)
from wild plants (Achyranthus aspera Atriplex stocksii Euphorbia hirta Chorchorus
tridens) and cultivated plant (Solanum melongena Lycopersicon esculentum
Helianthus annuus Azadirachta indica Abelmoschus esculentus Momordica
charantia) collected from different parts of Sindh province These findings is an
agreement to the earlier reports about the existence of Penicillium as endophyte
(Korejo et al 2014) Similar as (Ravindran et al 2012) A flavus from
mangrovesreported as an endophytes also
The microbes exist inter andor intra celluler of plant called ldquoendophytesrdquo
Endophytes gives variety of advantages to the host with vast applications in agriculture
and medicine (Clay and Rudgers 2005 Alvarez-Loayza 2011) Endophytes reside
inside the plant effects on plant health and survival They give strenght against abiotic
and biotic stresses and take nourishment from the plant Almost all vascular plants
studied till date have endophytic fungi in parts of their life cycle Plant pathogens and
pests are comparatively less attacked medicinal plants therefore endophytic micro-biota
can be of boundless significance in protecting plants from pests (Kaushik 2012)
Several studies on synthesis of secondry metabolites isolated from endophytic
fungi have found Among them some compounds used to discover new therapeutic
drugs (Strobel et al 2004) About 300000 plant species presented on land having
atleast one or more of fungi From many different plants including trees like yew and
pine and fodders like sorghum clover alfalfa and vegetables like tomatoes carrot
radish sweet potatoes lettuce and soybean fruits like citrus pineapple banana
pineapple and cereal grains like wheatrice and maizeand other crops like sugarcane
129
coffee and marigold have been examined for endophytes (Rosenblueth and Romero
2006) Several plants of medicinal importance such as Actinidia macrosperma (wild
kiwifruit) Ricinus communisTectona grandis Samanea saman Garcinia Picrorhiza
kurroa Cannabis sativa Withania somnifera Rauwolfia serpentine Cedrus deodara
Abies pindrow Pinus roxburgii Nothapodytes nimmoniana Platanus orientalis
Artemisia annua Brucea javanica M sieboldii and Calotropis procera have been
studied for endophytes Species of Alternaria Colletotrichum Aspergillus Fusarium
Gliocladium Cunninghamella Phomopsis Alternaria Fusarium Chaetomium
Nigrospora Cladosporium Alternaria Fusarium Aspergillus Curvularia
Cladosporium sp Aspergillus sp Nigrospora sp Fusarium sp Trichoderma sp
Chaetomium sp Alternaria sp Paecilomyces sp and Phyllostica are frequently
isolated from many agricultural and native plant species as endophytic fungi (Rubini et
al 2005 Guo et al 2008 Veja et al 2008 Gazis and Chaverri 2010 Kurose et al
2012 Parsa et al 2016) and Penicillium (H Kim 2014 Hassan 2017 Gautam 2013
Meng 2011 Peterson 2005 Qader 2015 Devi 2014 Shoeb 2014 Yin Lu et al 2011
Sandhu et al 2014 Phongpaichit et al 2006ukanyanee et al 2006 Qadri et al
2013 Liang 2014Cai and Wang 2012 Sandhu et al 2014b Cai 2012 Qadri 2013
In current study most of the endophytic Penicillium isolated Endophytic fungi
identified according to Domsch et al (1980) Dugan (2006) Raper and Thom (1949)
Barnett and Hunter (1998) and Visagie et al (2014) Identification of the promising
isolates was done through PCR amplification
Endophytic Penicillium isolated and tested for vitro and vivo activity in current
report most of the isolates showed inhibitory potential for fungi (root rotting) Fungal
endophytes that have useful impact on plant growth as biocontrol agents because their
effect against disease by inhabiting internal tissues of plants (Yuan et al 2017
Amatuzzi 2017) Similar biological position as pathogenic microorganism Berg et al
(2005) But in difference to plant pathogens they do not cause injury to host plant and
go inside plants for taking nourishment (Kobayashi and Palumbo 2000) Various
research are existing regarding the valuable function of fungal endophytes like act as
antagonist to phytopathogens and enhance growth of several crops (Waqas et al 2015
130
Veja et al 2008 Bahar et al 2011 Mendoza and Sikora 2009) Moreover
commercial application of Aspergillus spp Penicillium spp and Chaetomium spp for
the making of bioactive compounds that reveal antimicrobial and fungicidal activities (
Wang et al 2012 Jouda et al 2014)
In crop plants fungal endophytes are slightly recognized to play a role in the
production of gibberellins and resistance to stress abiotically Abiotic stressors like
drought heat and salinity symbiotic fungi can help plants to minimize the effect of
these stresses (Rodriguez et al 2008) In coastal plants fungal strains of P
funiculosum and P janthinellum are produced resistance against salt stress (Khan et al
2011 2013) Endophytic P citrinum produced gibberellins for their plant host (Khan et
al 2008) For plant growing stages with leaf enlargement pollen growth seed
sprouting stem elongation gibberellins are essential (Achard et al 2009) and influence
the growth of plant and adjustment throughout the early stages Thus endophytic fungi
possibly support their host plant to take nutrients and also stimulate hosts
growth The Trichoderma spp as considered to a giver of resistance facilitating plant
protection (Rubini et al 2005 Verma et al 2007 Bailey et al 2009 Kurose et al
2012) In this report cell free filtrates of culture and their fractions of endophytic
Penicillium exposed significant Escherichia coli Staphylococcus aureus Salmonella
typhimurium antibacterial activity against Bacillus subtilis Staphylococcus aureus and
Pseudomonas aeruginosa by forming inhibition zone in disc diffusion method
Endophytic Penicillium are also effective against bacterial pathogens with root rotting
fungi (Manmeet and Thind 2002) assessed antagonistic activity of Bacillus subtilis
Pseudomonas aeruginosa Trichoderma harzianum and Penicillium notatum against
causative agent of the bacterial blight of rice caused by Xanthomonas oryzae pv
oryzae in vitro and results showed that B subtilis P fluorescens and T harzianum
stop the growth of pathogen Our findings are an agreement to (Korejo et al 2014)
They reported that cell free filtrates of culture of endophytic Penicillium spp revealed
antifungal and antibacterial potentail Against a humen pathogen Vibriocholerae
(MCM B-322) produced desease cholera the cell free culture of P
chrysogenum revealed significant potential (Devi et al 2012) Many fungal endophytes
are the main source to secrete bioactive compounds (Stinson et al 2003 Corrado and
131
Rodrigues 2004 Ezra et al 2004 Kim et al 2004 Liu et al 2004 Wiyakrutta et al
2004 Atmosukarto et al 2005 Chomchoen et al 2005 Li et al 2005) Among them
seven isolates such as Hypocreales sp PSU-ES26 isolated
by C serrulata Trichoderma spp PSU-ES8 and PSU-ES38 isolated by H ovalis
and Penicillium sp PSU-ES43 Fusarium sp PSU-ES73 Stephanonectriasp PSU-
ES172 and an unidentified endophyte PSU-ES190 isolated by T hemprichii revealed
strong antimicrobial potential against human pathogens (Supaphon et al 2013) There
is eager requirement to discover novel drugs because of infectious diseases and drug
resistance microbes developing day by day Endophytic Penicillium could be a new
origin of treatments for the diseases caused by pathogens
In infectious plants fungal endophytes released the biotic stress with time
duration of 3 6 and 12 day after treatment by lowering the concentration of jasmonic
acid and salicylic acid as compare to control diseased plants Moreover these findings
reported the Penicillium citrinum (LWL4) relationship had a improved helpful impact
on plants of sunflower than Aspergillus terreus LWL5(Waqas 2015) Endophyte
naturally occurring in plants provide defense to plants by different way of mechanisms
such as the secretion of toxicant for pathogens and occasionally to disrupt the cell
membrane causing cell death of the pathogen (Ganley et al 2008 Shittu et al 2009)
Researche reported the justification of the pathogenic infections through the application
of fungal endophytes in plants like F verticillioides (Lee et al 2009) non-pathogenic
mutants of Colletotrichum magna (Redman et al 1999) Xylaria sp (Arnold et al
2003) Colletotrichum specie Fusarium nectria specie and Colletotrichum
gloeosporioides Clonostachys rosea and Acremonium zeae (Poling et al 2008)
Botryosphaeria ribis and (Mejıacutea et al 2008) In current research we assumed that the
application of endophytic Penicillium in plants might protect plants from adverse
effects of the soil born root-rotting fungi The inoculation of endophytic fungi may
inhibit the development of initial infection and prevent disease in this way not only
disease severity decreased but enhanced growth of the plant and yield (Mei and Flinn
2010) Our reseach shows that during pathogenic infection and mutual associations of
the endophytes lower the incidence of disease and improved the yield and biomass of
the plants Promotion of the host plant growth and inhibition of plant pathogen
132
infection may be increase the absorbance of nutrient which causes improved biomass of
plant and growth (Muthukumarasamy et al 2002) In the current study endophytic
Penicillium limited root-rot disease and also promote the health of the plants as
compare to control plants These are the comparision of the results as described by
Serfling et al (2007) The results similar to earlier findings on the plant growth
enhancement by endophytic fungi (Hamayun et al 2010 Khan et al 2011 2012
2013)
Endophytic P cyclopium Penicillium corylophilum P funiculosum are
recognized as GA-producers (Hasan 2002 Khan et al 2011) P citrinum (Khan et al
2008) Penicillium specie (Hamayun et al 2010) Resistance against insect attack and
pathogens enhanced by GA-producing endophytes which alter defense hormones such
as JA and SA In terms of abiotic stress (drought heat stress and salinity) these
endophytes may change the level of abscisic acid and induce resistance Endophytes
may have influencial role 0n the production of biochemicals and alter antioxidant
activities which is the main cause of improving growth of the plants(Waller et al
2005 Hossain et al 2007 Khan et al 2012 Waqas et al 2012 Khan et al 2013)
Chemical fertilizer showed negative impact on plants status The wide
applications of these inorganic fertilizers also causes deterioration to the soil fertility
by losing physiochemical and biological features of soil (Altuhaish et al 2014) In
addition a harmful effect on environment the chemical fertilizers have low level of
efficacy which may reduce nutrients uptake by the plants (Adesemoye et al 2009)
Application of organic amendments is sound known for inhibition of soil-borne
infections improving crops and yield (Ehteshamul-Haque et al 1996 Ikram and Dawar
2015 Sultana et al 2011 Lazarovits 2001 Stone et al 2003) Organic amendments
showed significant effects on crop health and production not only as a result of inhibiting
inoculum of soil pathogens but improve soil quality (Bailey and Lazarovits 2003)
Organic amendments including green manure peats and composts animal manure has
been proposed to sustain and improve fertility of soil and also soil structure for
conventional biological systems of agriculture (Cavigelli and Thien 2003 Magid et al
2001 Conklin et al 2002) and reduce occurrence level of the infections due to soil
133
containg plant pathogens (Noble and Coventry 2005 Litterick et al 2004) It is exposed
that organic amendments can be active against damages produced by fungal pathogens
such as Verticillium dahliae (Lazarovits et al 1999) Rhizoctonia solani (Diab et al 2003)
Phytophthora spp (Szczech and Smolinacuteska 2001) Pythium spp (Veeken et al 2005
MCKellar and Nelson 2003)Sclerotinia spp (Lumsden et al 1983 Boulter et al 2002)
Thielaviopsis basicola (Papavizas 1968) and) Fusarium spp (Szczech 1999) In current
research use of organic amendments like neem cake cotton cake and mustered cake
alone or with combine application of Penicillium spp significantly (plt005) increase
plant growth and cause growth reduction of root rotting fungi as compared to carbendazim
Population of total fungi and bacteria increased by organic soil amendment
which inhibit pathogens growth due to loss of ability to compete with beneficial
microbes (Gilbert et aI 1968) In our study a positive influence of numerous oil cakes
such as cake of neem and mustard on growth of plant was observed which is as
simillar as the findings of the Pandey et al (2005) and Goswami et al (2006) who
reported the use of different oil cakes such as neem and mustards in soil which showed
positive effects on growth of plant
Mixtures of Penicillium with various organic amendments applied in our study
resulted increasing the effectiveness of beneficial microobes for suppressing the fungi
causing the root rots in the present study This is same as the results of (Van Gundy
1965 Oka 2010) who described the combine effect of oil cakes and Pesturia penetrans
which change the soil features might be due to affect on nematode behaviours
(hatching movement and survival) Soil amendment resulting the decrease of the
occurrence of root knot nematodes and Fusarium spp on mung bean plants
(Ehtashamul-Haq et al 1993) Decomposition process of organic amendment released
sunbtances which produced antagonists and resistance too (Lumsden et al 1983)
which promote the inhibition of pathogen T harzianum used as a biocontrol agent with
neem cake showed significant infection on the reduction of Fusarium spp and
improved the development of plants (Nand 2002) Combine application of organic
amendment and PGPR might be resulted reduction of root-rot infections and fungal
pathogens with improved soyabean production (Inam-ul-Haq et al 2012)
134
Among agricultural fertilizer such as neem (Azadirachta indica) and its
products broadly described as a potential fertilizer (Gajalakshmi and Abbasi 2004) and
fungal diseases controlled by them (Dubey et al 2009 Amadioha 2000) insect pests
(Schmutterer 1995Ascher 1993) nematodes which parasitized by plant (Akhtar and
Mahmood 1995) bacteria (Abbasi et al 2003)) Some Studies have been revealed the
surprising potentail of neem products like neem seed oil against R solani M
phaseolina F moniliforme and (Niaz et al 2008) neem seed kernel extract against
Alternaria alternate Trichothecium roseum Monilinia fructicola Penicillium
expansum and Monilinia fructicola (Wang et al 2010) neem seeds and neem leaves
extract for control of F oxysporum Sclerotinia sclerotiorum and R solani (Moslem
and El-Kholie 2009) In our study neem cake mustard cake and cotton cake separate
or within combination of endophytic Penicillium which significantly (plt005) inhibit
the root rotting fungi and increasing the growth of plant Reduction in pre and post
emergence mortality of cotton and in the occurrence of R solani M phaseolina showed
by neem cake which is commonly used as a natural pesticide(Vyas et al 1990 Jeyara-
Jan et al 1987) Multiple nutrients which are having capacity to improve soil
characteristics are found in organic materials (Orrell and Bennett 2013) They also
provide organic substances like acids that help to breakdown soil nutrients and make
them easily accessible for the plants (Husson 2013)
Use of pesticides for reduction of root rotting fungi and plant parasites is costly
approach and resulting destruction of soil environment (Sukul 2001) Use of
bantagonist is an efficient way to overcome root rotting fungi and lethal nematodes
(root knot) (Whapham et al 1994 Ehteshamul-Haque et al 1995 1996) Usually
suppression of the plant pathogens occured by the direct secretion of toxicant such as
phenolic compounds and indirectly enhancing soil microbes by the application of soil
amendments (Shaukat et al 2001Ali et al 2001) In the present report selected
isolates of endophytic Penicillium separate or mixed use with Carbendazim Feast-M
and Topsin-M not only significantly inhibited the infection of root rooting fungi and
enhanced the growth of sunflower but mixed application also produced additional
defense against pathogen penetration and promote growth Plant centered toxicant
within organic amendments revealed promising outcomes in the management of root
135
infecting fungi present in soil (Ghaffar 1995) Organis amendments give better
environment to soil by providing energy and nutrients which support microbes and
plants to grow and survive successfully (Drinkwater et al 1995) Combination of
beneficial microbes by means of various plant colonizing forms with organic
amendment may be convenient for the inhibition of diseases by using different
biocontrol mechanisms for phytopathogens Combine application of different strains of
PGPR resulted significant inhibition of cucumber pathogens consistently (Raupach and
Kloepper 1998)
For crop protection one of the most favorable alternative approach is activation
of resistance within plant among current strategies (Walters and Fountaine 2009
Anderson et al 2006 Walters et al 2005) These alternative stratigies does not kill
phytopathogen directly (Walters and Fountaine 2009) but encouragement of natural
defence system of plant which introduces systemic acquired resistance (Vallad and
Goodman 2004) In case of abiotic and biotic stress a broad series of bioactive
compounds are release by the plant in natural environment that are injurious to
pathogens and grazing animals Phenolic phytochemicals are basic constituents of fruits
and vegetable of bioactive compounds that function as a resistant against insect and
herbivores (Stevenson et al 1993) Due to their significant protective biological role
phenolic compounds are pervasive in all plants so found in all nutrients In plants
resistant reaction of phenols resulting in the separation of phytopathogens which are
categorized due to the quick and early accumulation of phenolics at the infection site
(Cheacuterif et al 1991)
Phenolic compounds are impotant bioactive metabolites can act as antioxidants
against oxidative stress which leads many benefits to plants (Urquiaga and Leighton
2000 Grassmann et al 2000) also termed as free radical- scavengers Phenolic
compounds and antioxidants have close relation (Kumar et al 2008) Phenolic and
lycopene compounds are carotenoids a big source of antioxidants present in tomatoes
richly (Pinela et al 2011 Sahlin et al 2004 Ilahy et al 2001 George 2004)
Organic tomatoes are economically important with relation to conventional tomatoes
(Kapoulas et al 2011) due to their improved quality and ecofriendly nature Phenolic
136
compounds gives better taste as compared to conventional fruits (Benbrook 2005) In
our research better quality of okra and tomato fruits are produced by endophytic
Penicillium as compared to chemical fungicides and control in both screen house and field
condition
In the present study endophytic Penicillium not affected pH of fruit juice of
okra and tomato compared to untreated plant fruits Our findings were in line with (Oke
et al 2005 Carrijo and Hochmuth 2000) who described that pH of tomato fruit juice
not changed by phosphorus use Combine use of endophytic Penicillium with
Psuedomonas montellii improved TSS (total soluble solids) and tritable Acidity of okra
fruit Total soluble solids consist of acids sugars and other constituents existing in THE
fruits of the tomato (Balibrea et al 2006) Instead of inorganic fertilizer application of
biocontrol agents significantly increased brix content in tomato (Oke et al 2005)
The improved quality of fruit Ash content due to the high utilization of the nutrients
of the soil (Mauromicale et al 2011) The variation present in total soluble solids might
be due to the variability of the gene(Riahi et al 2009) In addition of chemical fertilizer
to soil had a significant function in food safety but however made soil harder that
resulted destruction in soil quality (Lai et al 2002) and the soil mineral absorption
decreased through roots Similarly from the soil availability or absorption of mineral
nutrients due to greater moisture content that improved prescence of mineral in soil
(Van veen and Kuikman 1990)
In the present research application of endophytic Penicillium significantly
impoved the carbohydrate protein antioxidant and polyphenol contents of the tomato
and okra fruits The increment of root surface area ultimately increased water
absorption and nutrient uptake due to endophytic Penicillium increased the above
contents These findings are an agreement with Rashed (2002) who described that
antagonistic microbes improved nutrient uptake (El-Ghadban et al 2002)
The biofertilizers impact positively on okra fruits was confirmed by previous
studies described by (Adediran et al 2001 Adejumo et al 2010) The photosynthetic
activity will also be improved as a consequence of improved interception of light when
137
all nutrient is in the right proportion (Subbarao and Ravi 2001) which ultimately
improves vegetative growth and efficient transport of photosynthetic product from
source to sink
Therapeutic effects of active compounds from fungal source have been noticed
from several years and new drugs have exposed and obtained extracted from the
endophytic fungi (Teakahashi and Lucas 2008 Hormazabol et al 2005) A new
endophytic fungus Muscodor albus was isolated from cinnamon tree (Cinnamomum
zeylanicum) formed volatile compunds that executes fungi causing disases (Strobel et
al 2001 Strobel 2006) (Liu et al 2013 Raghunath et al 2012) has discoverd two
new compouds named as nigerasterols A 6 8 (14) 22-hexadehydro-5α9 α-epidioxy-
315-dihydroxy sterols and B from endophytic fungi (Aspergillus niger)
23 compounds were isolated from endophytic Penicillium regulosum mycelia
Hexane fraction of mycelium were characterized by GCMS to identify the chemical
compounds most of them are hydrocarbon fatty acid alcohol and benzene derivatives
Some compounds were characterized from our isolate such as Widdrol hydroxyether
Eicosane Oleic acid Ethyl Oleate and 2-Aminofluorescein Because of the prescence of
these chemical compounds this fungus might have a capability to act against pathogenic
bacteria and fungi and showed a promising result against both type of bacteria such as
gram-ve and gram +ve
Adametizine A produced by Penicillium sp having antibacterial activity against
Aeromonas hydrophila Vibrio harveyi Staphyloccocus aureus Vibrio parahaemolyticus
and antifungal activity against Gaeumannomyces graminis (Liu et al 2015) Arisugacin
K produced by Penicillium sp having antibacterial activity against Escherichia coli (Li et
al 2014) Cillifuranone produced by Penicillium sp having antibacterial activity against
Xanthomonas campestris and antifungal activity againsts Septoria tritici (Wiese et al
2011) Comazaphilones produced by Penicillium sp having antibacterial activity against
S aureus Pseudomonas fluorescens Bacillus subtilis (Gao et al 2011) Communol A
FndashG produced by Penicillium sp having antibacterial activity against Enterobacter
aerogenes E coli (Wang et al 2012) Conidiogenone B produced by Penicillium sp
138
having antibacterial activity against Pseudomonas fluorescens Pseudomonas aeruginosa
Staphylococcus epidermidis S aureus mr and antifungal activity against Candida
albicans (Gao et al 2011) Dictyosphaeric acid A produced by Penicillium sp having
antibacterial activity against S aureus Enterococcus faecium S aureus mr and
antifungal activity against C albicans (Bugni et al 2004) Isocyclocitrinols produced by
Penicillium sp having antibacterial activity against Enterococcus durans S epidermidis
(Amagata et al 2003) Peniciadametizines produced by Penicillium sp having antifungal
activity against Alternaria brassicae (Liu et al 2015) Penicifuran A produced by
Penicillium sp having antibacterial activity against Bacillus cereus Staphylococcus
albus (Qi et al 2013) Penicilactone produced by Penicillium sp having antibacterial
activity against S aureus mr (Trisuwan et al 2009) Penicimonoterpene produced by
Penicillium sp having antibacterial activity against E coli A hydrophila S aureus
Micrococcus luteus V parahaemolyticus and V harveyi (Zhao et al 2014) and
antifungal activity against A brassicae Aspergillus niger Fusarium graminearum (Gao
et al 2011 and Zhao JC et al 2014) Penicisteroid A which is produced by Penicillium
sp having strong antifungal activity in response to A brassicae A niger (Gao et al
2011) Penicitide A which is produced by Penicillium sp having stronge antifungal
activity in response to A brassicae A niger (Gao et al 2011) Penicyclones AndashE islated
from Penicillium sp having antibacterial activity against S aureus (Guo et al 2015)
Perinadine A which is produced by Penicillium sp having antibacterial activity against
B subtilis M luteus (Sasaki et al 2005) Pinodiketopiperazine A produced by
Penicillium sp having antibacterial activity against E coli (Wang et al 2013)
Scalusamide A produced by Penicillium sp having antibacterial activity against M luteus
and antifungal activity against Cryptococcus neoformans (Tsuda et al 2005) Terretrione
D produced by Penicillium sp having antifungal activity againsts C albicans (Shaala
LA et al 2015) and Xestodecalactone B produced by Penicillium sp having antifungal
activity againsts C albicans (Edrada et al 2002) These references supports our results
that our isolate have antimicrobial activity It also have showen a positive result on the
growth of the by enhancing the plant growth and also suppressing infection of root rot
fungi almost in all crops which are experimented
Conclusion
139
There is eager need for natural (environment friendly) chemotherapeutic and
agrochemical agents instead of synthetic toxic chemicals Natural products produced by
endophytes have been tested against infectious agents against plant pathogens One of the
single greatest challenge is control of soil-borne pathogens including parasitic nematodes
facing recent agriculture worldwide Soil-borne fungi and fungi like organisms
including Macrophomina phaseolina Fusarium species Phytophthora spp
Rhizoctonia solani and root knot nematodes commonly (Meloidogyne species) result
severe economic damages both in greenhouse and field production system In
agricultural and pharmaceteucal industry application of endophytes with their related
benefits has now been new approach in rescent years Despite the assistances related to
endophytic bacteria and fungi in plant disease management they are still largely
unexplored Genus Penicilium has been familiar for their significant secretion of
secondry metabolites among them and was also found to play important function in
plants against stress tolerance Penicilium spp secrete a variety of pharmaceutically
vital compounds with antibacterial antifungal insecticidal and nematicidal activities
In this study endophytic Penicillium isolated from healthy plants revealed
significant potential against root infecting fungi both in field condition and screen house
Although endophytes are now widely used in other different fields
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140
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viii
cake in suppressing the root diseases and growth of chickpea
3710 Effect of endophytic Penicillium and fungicides in suppressing
the root diseases and growth of sunflower
3711 Effect of endophytic Penicillium as soil drench on growth of
okra plants
3712 Effect of endophytic Penicillium as soil drench on growth of
tomato plants
38 Field Experiments
381 Effect of Pseudomonas monteilii and endophytic Penicillium as
soil drench on growth of okra plants in soil under field condition
382 Effect of Pseudomonas monteilii and endophytic Penicillium as
soil drench on growth of tomato plants in soil under field condition
4 DISCUSSION
ix
EVALUATION OF BIOCONTROL POTENTAIL OF ENDOPHYTIC SPECIES OF
PENICILLIUM AGAINST ROOT ROTTING FUNGI AND ROOT KNOT
NEMATODE
SUMMARY
Endophytes are either bacteria or fungi that reside in the tissues of the plant without causing
any apparent symptoms Some endophytic microorganism may promote growth of plants
help in uptake of nutrients and increase the ability to bear environmental stresses like
salinity drought and reduce biotic stresses During our study plants were collected from
different localities in Karachi Pakistan like Memon Goth Kathor Gadap Gharo Malir and
University of Karachi campus from which endophytic Penicillium were isolated Out of the
eighty samples of the plant 14 isolates of endophytic Penicillium isolated (root stem and
leaves) from wild plants (Achyranthus aspera Atriplex stocksii Euphorbia hirta
Chorchorus tridens) and cultivated plant (Solanum melongena Lycopersicon esculentum
Helianthus annuus Azadirachta indica Abelmoschus esculentus Momordica charantia)
Species of Penicillium identified as P asperum P lilacinum P purpurogenum P
nigricans P rugulosum P restrictum P duclauxi P citrinum P thomii P lividum and P
javanicum Identification of selected isolates of Penicillium was also confirmed by using
molecular biology tools
Antimicrobial activity of 14 endophytic isolates of different species of Penicillium
tested against common fungi (root rotting) viz F oxysporum Fusarium solani
Macrophomina phaseolina and Rhizoctonia solani by dual culture plate assay All EP
isolates showed significant result produced by the inhibition zone Nematicidal potential of
cell free culture filtrates of endophytic Penicillium also has shown significant results After
24 hour 50nematicidal potential showed by Ppurpurogenum (EP-3) while after 48 hours
all other isolates showed 100 mortality
Culture filterates of endophytic Penicillium caused growth suppression of bacteria
Salmonella typhimurium Bacillus subtilis Escherichia coli and Staphylococcus aureus As
concentration increased biocontrol potential of culture filterates of EP increased as well
These outcomes show that endophytic Penicillium could be fullfil the need of discovering of
x
new antibiotics Culture filtrates of Penicillium also showed activity of fungicidal against
root rotting fungal pathogens Fsolani Rsolani Mphaseolina Rsolani and Foxysporum
by making inhibitory zone Cuture filterates of 60 microldisc showed more effective results than
20 or 40 microldisc Fractionation of cell free culture filtrates of viable isolates of our
Penicillium (EP) was made in solvents ie chloroform and n-hexane and showed strong
antibacterial and antifungal activity against above described pathogens These results
showed that secondry metabolites having compounds with strong antimicrobial potential
Secondary metabolites producing from endophytic Penicillium spp offer an stimulating
area of investigation for the encounter of novel antimicrobial compounds Hexane fraction
of mycelium of promising isolate EP-5 showed prescence of chemicals
In current research antagonistic potential of Penicillium was assessed against
phytopathogens on sunflower (Helianthus annuus) chickpea (Cicer arietinum) tomato
(Lycopersicon escolentum) mungbean (Vigna radiata) and okra (Abelmoschus esculentus)
in field and screen house experiments Inhibitory affects on Foxysporum Rsolani Fsolani
and Mphaseolina showed by many endophytic Penicillium which causes healthy plant
growth by improving plant length fresh shoot weights in both type of experiments (Screen
house and field) In some experiment polyphenol and antioxidant activity also showed
significant result which might be due to resistance produced by endophytes Endophytic
Penicillium treated plants produced fruits which is better in quality as compared to control
Endophytic Penicillium associated with healthy plants is a source of new bioactive
metabolites which could be exploited in plant protection and also in medicine
xi
xii
1
1 INTRODUCTION
11 Endophytic fungi
Agricultural production passes through heavy loss due to different abiotic and
biotic stresses Most of the economic areas of the world is agriculture it is the most
eager need of the decade to discover and to create the best approach for sustainable
agriculture and development in crop growth (Rai et al 2014) Endophytes are
microorganisms that live inside the plant tissues for atleast in their life cycle that produce
no visuallized symptoms to the host (Bacon and White 2000) Inside the living host plant
tissues an expensive symptomless plant-microbe association build this phenomena called as
Endophytism(Kusari and Spitteler 2012b) During this complex relationship both partners
can be represented as extremely keen mutualism individual benefits depend on both of them
But their relation might be shift toward parasitism or saprophytism or concerning further
dedicated collaboration with time (Millet et al 2010 Zuccaro et al 2011) Recent studies
proposed endophyte-host plant relations are inconstant and showe a relationship between
mutualistic to antagonistic (Saikkonen et al 1998) Mutual relationship between
photosynthetic organisms and fungi earliest and universal (Berbee 2001 Alexopoulos et
al 1996) Evidence showed the presence of microorganism inside the plant tissues from
the the time of the emergence of higher plant on the earth (Redecker et al 2000) Since
the end of 19th century the inoculum of fungi in symptomless plant has recognized
Guerin (1898) Azevedo (1998) and Endophyte word was first suggested in 1866 de
Bary (1866) Endophytes initially defined in Darnel (Lolium temulentum) Freeman
(1904) they isolated it from wide range of plants from arctic to tropics and from
cultivated to wild ecosystems (Arnold 2007) and so far atleast one endophyte have been
found in all living plants species (Dutta et al 2014)
There have been numerous revisions on the relationship of endophyte and plant
particularly for grasses for instance tall fescue where it has been revealed that
endophytic fungus Neotyphodium coenophialum produce toxins that act as defensive
agent against their predators including insects and other grazing animals (Bultman and
Murphy 2000 Bacon et al 1977) it was found that this fungus could be beneficial for
2
enhancing their host tolerance against stresses of abiotic and biotic (Schardl et al 2004
Saikkonen et al1998) In between other symbiotic associations fungal endophytes are
most commonly competitive (Staniek et al 2008) Fungal endophytes are a very varied
polyphyletic group of microorganism that lives inside host stem leaves and also in roots
Endophytes fungi are present above ground parts of plant which make different from
mycorrhizal fungi but also present in roots Fungi related to rhizosphere and roots of the
plants and had positive effect on the growth of plant and recognized as PGPF (Plant
growth promoting fungi) The significant of PGPF belongs the genus Gliocladium and
Trichoderma (Altomare et al 1999) have proficient of inhabiting the plant roots (Gera Hol
and Cook 2005) Endophytes are considered as avirulent opportunistic plant symbionts
and develop systemic resistance in plants just like rhizobacteria (Harman et al 2004)
Similarly endophytic Acremonium lolii and A coenophialum exposed antibiotic formation
against a variety of fungal plant pathogens in culture (White and Cole 1985) Fungus
Muscodor produced volatile compounds which is mostly used as a fumigants in soil (Ezra et
al 2004 Mercier and Manker 2005) In our previous report endophytic Penicillium spp
isolated from Salvadora species showed noteworthy antimicrobial activity (Korejo et al
2014)
Against numerous diseases many endophytes have capability to produce different
secondry metabolites that have therapeutic effect (Kharwar et al 2011 Kusari and
spiteller 2012b)
12 Endophytic Penicillium
In recent search for agricultural and pharmaceutical industries to develop a
effective products Natural products have been recognized as a therapuetic agents and play
a important role in nature So the search is carried out for the production of novel
bioactive metabolites from organisms that reside novel biotopes Endophytic fungi
populate such a biotope (Schulz et al 2002) The genus Penicillium is a group of more
than 200 species inhabiting fibre fruits food items soil marine and various species of
plants (Korejo et al 2014 Gong et al 2012) In same way species of Penicillium
deliberated as soil inhabitant and present as a toxicant on foods materials like fibers
starchy materials and fruits but species of Penicillium have been reported in the form of
3
endophytes and play significant role in plants towards tolerance of stress(Khan and Lee
2013 Waller et al 2005) Fungal endophytes is used as a ironic source of secondry
metabolites for agricultural and medicinal practices (Schulz et al 2002) and lot of exposed
(Huang et al 2008)
Endophytic Penicillium species are the producers of diverse variety of secondary
metabolites (Zhang et al 2006 Schulz and Boyle 2005) ie various penicillins PR-
toxin polyketides xanthoviridicatins E and F chrysogine Chrysogenamide A
sorrentanone xanthocillins secalonic acids sorbicillactones A B sorbivinetone
Ochratoxin A (Hoog et al 2000 Singh et al 2003 Gerhard et al 2005 Vega et al
2006 Lin et al 2008) Penicillium species are known to have antifungal algicidal and
antibiotic activities (Meng et al 2011)
13 Role of endophytic Penicillium in growth of plant
Though current studies have revealed that growth enhancement of plant might be
the reason of the production growth promoting secondary metabolites (gibberellins auxin
cytokinin) from plants due to the prescene of endophytic fungi in the rhizospheric region
(Hamayun et al 2010a) Endophyte and plant relationship have the mojor influence on
plant growth promotion (Hassan et al 2013) though endophytic fungi may be responsible
to enhance the growth of the plant in order to secrete different chemical compounds like
ammonia indole acetic acid (IAA) and phytohormone and (Bal et al 2013) Usually
indole acetic acid acts as growth promoter plants by enhancing cell division and cell
elongation and is necessary for differentiation of tissues of plant (Taghavi et al 2009)
Soil microorganisms have a potential to synthesis a wide range of indole acetic acid that
play a role in plant development (Spaepen and Vanderleyden 2011) on other hand
endophytic fungi isolated from different parts of plants which indicated high amount of
indole acetic acid as compared to those isolates isolated from root-free soil (Spaepen et al
2007) The important role of indole acetic acid in growth of the plant in addition to the
potentail of fungal endophytes to secretes indole acetic acid has increased attention due to
their effectiveness on the concentration and supply of indole acetic acid in tissues of the
plants
4
Endophytic fungi have been considered as producers of phytohormones which act
as strong plant growth enhancer These outcomes proposed that endophytic fungi obtained
in the study produced bioactive metabolites which play magnificent roles in stimulating
growth of the plants (Khan et al 2015) Endophytic Penicillium species produced wide
range of Indole acetic acid and gibberellins thus increases plant growth Gong et al
(2014) reported the effect of Penicillium oxalicum on enhancement of growth of maize
plants where they observed that P oxalicum stimulate the growth of maize plants due to its
phosphate-solubilizing ability
14 Role of endophytic Penicillium as resistance inducers in plant stress
Systemic induced resistance have played a vital role in the survival of the plants to
protect themselves in response to pathogenic organisms (Lim et al 2006) It seems in
almost all plants in response pathogenic attack treated with different organic amendments
and chemicals Phytohormones are present extensively in plant parts Plants secrete an
enormous range of chemicals that are toxic to their predators Phenolic compouds are
bioactive chemicals which are common elements of fruits and vegetables act as defensive
agent against insect and grazing animal (Stevenson et al 1993) In the plants growth
phytochemical compounds which have low molecular weight such as phenolic show a
dynamic part and its production and secretion may be due to both biotic and abiotic factors
(Joachim et al 2007) Phytochemicals protect plants towards abiotic and biotic stresses
and therefore are produced against pathogens attack which are exposed to high energy
radicals like the exposure of UV radiation (Briskin 2000) Due to the significant defensive
roles phenolic phytochemicals have pervasive in most of the plants and find specific place
in most of the groups of foods Cherif et al (1991) reported that phenolic compound play
role in resistance of the plants which are accomplished by the rapid accumulation of at the
infection site resulting in the prevention of the pathogen The function of phenolic
compounds in inhibition of the pathogenic infection which act as a barriers to a
pathogens and develop resistance broadly Imporatant groups of compounds termed as
scavengers of oxygen free radical or antioxidants used to resist the phytopathogen and
protection of the oxidative stress of environment (Conceica et al 2006 Wanas 2006)
Numerous studies demonstrate that soil-borne fungal diseases controlled by antioxidants
5
(Dmitriev 2003) with increasing the phytophenolic compounds which increasing plant
growth development and defense against disease Antioxidants used successfully to
control most of the diseases in plant like Fusarium wilt of chickpea plants(Nighat- Sarwar
et al 2005) in tomato (Mohamed et al 2007) pod rot and peanut root (Elwakil 2003
Mahmoud et al 2006) in pepper damping- off (Rajkumar 2008) faba bean of chocolate
spot (Hassan et al 2006) and in the lupine leaf blight and root rot (Abdel-Monaim 2008)
Antioxidants eg salicylic benzoic acids ascorbic propylgalate in cumin in the form of
seed soaking or in other way such as soil drenching showed protection of diseases
occurred by f spcumini and Fusarium oxysporum (Mostasa 2006) The mechanism of
antioxidants was described in many host-pathogen relations such as a wide range of
enzymes like polyphenol oxidase ascorbate oxidase peroxidase and catalase identified
againsts pathogen infection (Clark et al 2002) or outcomes of most of the treatments with
different antioxidants activity ( El-Khallal 2007 and Abdel-Monaim 2008)
In organic agriculture biocontrol agents have different mode of actions including
production of metabolites against pathogens mycoparasitism competing their place and
their nutrients uptake growth promotion of plants and stimulation of defense mechanim in
most of the plants (Chet et al 1997 Howell 2003) This original biological approach
encourages natural resistances of the plants which leads towards systemic resistance
(Vallad and Goodman 2004) instead of apply effects on the most of the plant pathogens
(Walters and Fountaine 2009) Metabolites produced by biocontrol agents against
pathogenic fungus are main factor to discovering them Many researchers are discovering
bioactive chemicals synthesize by microorganism that control most of the diseases of the
plants (Dowling and OrsquoGara 1994) Induction of systemic resistance through biocontrol
agents changed the certain biochemicals of plant which can consider as resistance markers
(Schonbeck et al 1981) including enzymes accumulation like peroxidase (He et al
2002) It was shown that due to systemic acquired resistance in tomato activation of the
defensive mechanism occurs by the insects (Murugan and Dhandapani 2007) viruses
most of the nematodes bacteria and endophytic fungus (Anfoka and Buchenauer 1997
Laporte et al 2007 Molinari 2008 Vasyukova et al 2007Mandal et al 2009 Hase et
al 2008 Park et al 2008) In the same way Shafique et al (2016) studied that combine
use of the oil cake and P lilacinus and PGPR enhance growth of plant that also suppress
6
the infection of root rotting fungi by improving antioxidant activity and polyphenols
contents of the okra plant
Endophytic microorganisms produce secondary metabolites which are crucially
important as parasiticide insect antifeedent and pathogen inhibitors (Meng et al 2011)
Other benefits for host plant include increased resistance to heavy metals salinity and heat
stress improved drought tolerence protected from grazing animals introduced systemic
resistance to pathogens and promoted growth (Redman et al 2001 Clay and Schardl
2002 Marquez et al 2007 Tejasawi et al 2007) Hence Endophytic fungi increase the
ecological survival of plants by increasing resistance towards abiotic and biotic stress
factors (Schulz and Boyle 2005 Gonthier et al 2006) Hossain et al (2014) reported the
part of Penicillium sp in developing systematic resistance to cucumber infection of leaf
caused by anthracnose phytopathogen Colletotricum orbiculare in the cucumber
Similarly Khan et al (2015) studied the effect of P janthenalum in producing tolerance
against aluminum stress in tomato plants Penicillium endophytes are also help plants to
tolerate stress of salinity by regulating plants hormones (Khan et al 2013 Khan et al
2015) Penicillium strains are safe to environment as they reduces the level of salinity and
increase growth of the plants (Leitao and Enguita 2016)
Furthermost fungal endophyte facilitates induction of systemic acquired resistance
in most of the plants (Bailey et al 2006 Nassimi and Taheri 2017) and play a vital role in
safety and control of infection of plants Endophytic fungi play a chief part in growth
promotion of plant higher production of seed and resist plants against several abiotic
biotic stresses and infections Most of them are produce compounds against pathogenic
microbes phytohormones and different bioactive agrochemicals Eco-friendly and
economically active agricultural products are developed by many potential endophytes
(Rai et al 2014) Penicillum chrysogenum produces hypocrellins B and C which have
strong antifungal activity (Meng et al 2011)
15 Soil-borne diseases
Diseases which are caused by organisms persists in soil and debris on soil surface
are known as soil borne diseases and the organisms which causes such diseases are soil-
7
borne pathogens Soil-borne pathogenic fungi reside for several years in soil in the form of
various dormant structures viz chlamydospores melanized hyphae sclerotia and oospores
and are major cause of lowering yield and quality of plant products (Baysal-Gurel et al
2012 Koike et al 2003) Whereas nematodes survive in soil as free organisms cysts or
eggs (Koike et al 2003) Soil borne pathogens infect belowground along with foliar
tissues of plants The well-known diseases produced by soil-borne fungi are the rots which
effect underground tissues of plants and vascular wilts While some soil-borne pathogens
effect the above ground tissues of plants (Koike et al 2003) Soil-borne diseases are more
harmful under poor soil conditions ie inappropriate drainage system low range of
organic matter low level of fertility poor soil structure and high compaction level of the
soil (Abawi and Widmer 2000)
16 Soil-borne root rotting fungi and nematode
Among the plant disease causing organisms nematodes which parasitized plant
resulted loss upto 100 billion US$ to the agriculture world annualy and approximately 500
million US$ is wasted on control of nematode (Saifullah et al 2007) Whereas the
infection of root rot caused by Rhizoctonia solani Macrophomina phaseolina Fusarium
species Pythium species and Phytophthora species are most common in the crop plants
producing billions $ losses every year
Infections produced by soil borne pathogens includes damping off root rots and
wilts by Fusarium Phythium and Rhizoctonia Phytophthora verticillium and nematodes
species Fusarium oxysporum and its more than 70 species are known to cause root wilt
and root rot diseases in variety of plants species including tomato plants (Kistler 1997)
Species of Cephaliophora Bipolaris Cephalosporium Corynascus Curvularia
Exerohilum Botryodiplodia Fusarium Melanospora Nigrospora Rhizoctonia
MacrophominaSclerotium and Stemphylium are also potent plant pathogens in Pakistan
(Shahzad and Ghaffar 1995) Root knot nematodes are the members of genus Meloidogyne
(Sharon et al 2001 Taylor and Sasser 1978) Globally 26 of crop losses are resulted by
pathogens (Khan et al 2009) Nematodes alone cause 5 of worlds crop losses (Sasser
and Carter 1975) Soil-borne root infecting fungi and nematodes not only produce diseases
8
in plants but also decrease the biomass of plants and severely decrease the yield of crops
and sometimes even death of plant may occur
Nematodes (Meloidogyne spp) parasitized inside specialized type of feeding cells
into the plant tissues directly and remained inside the plant tissueon the otherhand
parasitic type of fungi also penetrate into the tissues of host and absorbs the nutrients Soil
and rhizosphere microorganisms are difficult to control because of tissues around them So
these endo-parasitic nematode and fungi may be able to control by endophytic
microorganisms colonizing around plant root tissue because they occupies same space and
are come in contact with each other (Hallman et al 1997) Hallman and Sikora (1994
1996) demonstrated that endophytic Fusarium oxysporum isolated from tomato roots had
determental effect on Meloidogyne incognita Colonization of tomato roots by the
endophyte resulted in 60 reduction of Mincognita infestation
Charcoal rot disease produced by Macrophomina phaseolina which is soil
inhabiting fungus having diverse type of distribution and have hazardous to the
production of the crops in most of the arid areas over 500 plant species (Ijaz et al 2012)
17 Biological control
Biological control is the management of components of ecosystem in order to
protect plants against pathogens It ensures the preservation of environment by no use of
chemicals (Barea and Jaffries 1995) Most of the fungi used as a biocontrol agents and
have long been studied and various reports are available Such as Perveen et al (1994)
reported the effectiveness of Fusarium oxysporum in order to reduce the infection of the
Macrophomina phaseolina Fusarium solani and Rhizoctonia solani Trichoderma species
have been known for so long as biological control agent of soilborne pathogens and also
act as a symbionts of the plants (Harman and Shoresh 2007) Further they suggest that F
oxysporium is a potential biocontrol agent against these pathogens in tomato and okra
Later Siddiqui and Shaukat (2003) tested Pochonia chlamydospora against Fusarium sp
Rsolani and M phaseolina and found it effective against these pathogens Siddiqui et al
(2000) and Waqas et al (2012) investigated the effects of Penicillium and Phoma
glomerata species on the cucumber in drought and saline stress and reported that these
9
endophytic fungal species increases biomass and growth of economically important crops
Major application in agriculture pharmaceutical and commercial utilization of these
endophytic fungi
The current research focused on the isolation and identification of the endophytic
Penicillium species which is associated with plants which are healthy plants and
evaluation of their antagonistic potential against root rotting fungi using sunflower
munbean tomato chickpean and okra as test crops The report also describes the extraction
and characterization of some new compounds from mycelium of Pregulosum
10
2 MATERIALS AND METHODS
21 Collection of plants for isolation of the endophytic Penicillium spp
Survey of various agricultural fields of Kaarchi and its suburb like Karachi
University campus Memon Goth Kathor Gadap Gharo and Malir were carried out
Healthy wild and cultivated plants alongwith roots were selected collected and were
transported to laboratory and preserved at (4oC) untill Penicillium were isolatedround
about (24) hours
22 Isolation and identification of endophytic Penicillium
1 g of th sample of the plant either stem root or leaves was separately cleaned
sanitized in 1 bleech for (3) min then with (70) alcohol for (3) min and then washed
with the help of distilled H2o Each sample was chopped in sterilized grinder with 50mL
sterilized water and dilutions of each sample were made upto 1104 and further proceed as
described by Korejo et al (2014) and fungal growth fungi were identified with reference
to Barnett and Hunter (1998) Domsch et al (1980) Dugan (2006) Raper and Thom
(1949) and Visagie et al (2014)
221 Molecular strain typing of promising isolates
The selected endophytic Penicillium isolates P rugulosum (EPAAR5) P
decumbens (EPAIR6) P nigricans (EPSLR4) P asperum (EPHAL10) and P
purpurogenum (EPEHS7) initially identified by morphological characters were further
subjected to molecular identification and strain typing bythe PCR (polymerase chain
reaction) based on molecular techniques recently described (Habiba et al 2018)
Briefly five days old strains grown (1 mL) in broth of YPD at 26degC and cells were
harvested by centrifugation (Hanil Korea) for (14000 rpm) for (10 min) at room
temperature Genomic DNA extraction kit (Norgen biotek Canada) was used for fungi as
per vender instruction while quality and purity of the genomic DNA established in
nanodrop (Nano-Drop 200 Thermo Scientific USA) In case of molecular identification t
rDNA-ITS4 ITS1-58S regions amplified with the help of the primers ITS1 (5acute-
11
TCCGTAGGTGAACCTG CGG-3acute) and ITS4 (5acute-TCCTCCGCTTATTGATATGC-3acute) as
initially described Karimi et al (2015) Reactions of the PCR were performed consisting of
genomic DNA (150 ng) primer set (16 μM each) Dream Taq Master Mix (2x Thermo
Scientific USA) and nuclease free water to a final volume of 20 μL Thermal cycling
carried out in a Master cycler (ProS Eppendorf Germany) with an initial denaturation step
(4 min at 94 ordmC) followed by 40 cycles of denaturation (45 s at 94 ordmC) annealing (45 s at 55
ordmC) and extension (1 min at 72 ordmC) and a final extension at 72 ordmC for 7 min
For genetic variation between the strains Random Amplified Polymorphic DNA
(RAPD) PCR was performed with specific oligonucleotide primer M13 (5acute-GAGGGTGG
CGGTTCT-3acute) as described by Zahid et al (2017) Briefly PCR were performed in a total
volume of 20 microL comprising of genomic DNA (25 microL) primer M13 (16 microM) 2x Dream
Taq PCR mix (10 microL) with additional 1 mM MgCl2 and 10 DMSO (Sigma-Aldrich
USA) Thermal cycling was carried out in a Master cycler (ProS Eppendorf Germany) with
an initial denaturation step (5 min at 95 ordmC) followed by 35 cycles of denaturation (30 s at
90 ordmC) annealing (1min at 40 ordmC) and extension (8 min at 65 ordmC) and a final extension at 68
ordmC for 16 min
PCR products (~10 microL) were subjected to 2 agarose gel electrophoresis
containing ethidium bromide (05 μgmL) 1kb DNA ladder (Fermentas USA) was used to
calibrate the sizes
23 Isolation of the soil borne fungi
231 Soil dilution technique for the iolation of Fusarium species
Fusarium were isolated by soil dilution technique (Nash and Snyder 1962) as
described by (Urooj et al 2018) and identified by Nelson et al (1983) and Booth (1971)
12
232 Baiting technique for the isolation of (Rhizoctonia solani)
Rhizoctonia solani were isolated through baiting technique and identified
(Wilhelm 1955) as described in previous report (Urooj et al 2018)
233 Dilution and wet sieving technique for the isolation of (Macrophomina
phaseolina)
Macrophomina phaseolina were isolated by using techniques (wet sieving and
dilution plating)Sheikh and Ghaffar (1975)
24 In vitro determination of antifungal activity of Penicillium species by dual
culture plate assay
For determination of fungicidal potential of Penicillium spp four common fungi
(root rotting) viz Rhizoctonia solani F oxysporum Macrophomina phaseolina and
Fusarium solani were chosen A disc of the 5 mm of the test and fungi (root rotting) was
inoculated on the opposite side of the Petri dish of 90 mm which was poured with CDA
(Czapeks Dox Agar) pH (72) and incubated (28degC) for (5 days) Inhibition zone was
measured in mm (Korejo et al 2014) Experiment were repeated thrice and replicated four
times
25 Inoculation of the nematode (root knot)
Pure culture of the root knot nematode (Meloidogyne javanica) obtained through
egg masses attached on infected brinjal root Roots were washed under tap water was used
to washed te roots thoroughly stereomicroscope was used to collect egg masses and
transferd in cavity blocks having distilled water and left for the hatching (at room
temperature) after 48 hours juveniles were hatched and proceed for the experiment
27 Preparation of culture filtrates
Culture filtrates of test Penicillium spp were obtained by growing 5 mm disc of
culture in 100 ml of CDB (Czapekrsquos Dox broth) in (250 ml) flask After (15 days) of the
13
incubation (25-30degC) culture filtrate were collected by filteration and 1-2 drop of
chloroform were added to prevent further growth of any contaminant
28 Determination of antifungal activity of culture filtrates of Penicillium species
in vitro
Culture filtrate were loaded at concentration of 20 40 and 60 microl on thick sterile
filter paper discs and dried and placed in clock wise manner according to concentration in
the plates containing Czapekrsquos Dox Agar Disc of test fungus were inoculated in centre of
plates CDB (Czapekrsquos Dox broth) used as a control and 20 microgdisc carbendazim used as a
positive controlAt 30degC Petri dishes left for (5-7 days) and between test fungus and disc
distance was measured as a inhibition zone Qureshi (2003)
29 In vitro antibacterial activity of culture fitrates of Penicillium species
To examine the activity of secondary metabolites of Penicillium spp against
bacteria lawn of test bacterium was prepared in 90mm petri dishes containing Nutrient
Agar medium Culture filtrate of each Penicillium sp at 20 40 and 60 microldisc were loaded
on thick sterile filter paper discs and dried and placed in clock wise manner according to
concentration in the plates having bacterial lawn with nutrient Agar A disc of 5 mm of test
fungus was inoculated in the centre of the plate Discs loaded with sterile broth of
Czapekrsquos Dox served as control whereas penicillin 20microgdisc used as positive control for
the gram positive bacteria and streptomycin 20microgdisc used as a positive control for gram
negative bacteria Petri dishes were kept at 30degC for (2-3 days) The inhibition zone were
measured in mm
14
210 In vitro nematicidal activity of culture filtrate of Penicillium species
To examine the nematicidal potential of the culture filtrate 1 ml of culture filtrate
was filled in a cavity blocks containing 15 picked second stage nematode (Meloidogyne
javanica) larvae As a +ve control distilled H2O water was used 2ml The cavity blocks
were kept at room temperature 25-30C and nematode mortality was recorded after 24-48
hours under stereomicroscope
211 Fractionation of culture filtrates
Culture filtrate was extracted three times with n-hexane and chloroform by shaking
vigorously in a separating funnel The extraction volume of each solvent is approximately
half to that of the filtrate Each solvent layer was allowed to separate out and run off from
the aqueous layer The n-hexane and chloroform fractions were collected pooled
concentrated on a rotary evaporator (Eyela-NE) separately and weighed
28 Determination of antifungal activity of frcations of culture filtrates of
Penicillium species in vitro
Each fraction was re-dissolved in their respective solavent and loaded at
concentration of 20 40 and 60 microl on thick sterile filter paper discs and dried and placed in
clock wise manner according to concentration in the plates containing Czapekrsquos Dox Agar
(CDA) Disc of test fungus were inoculated in centre of plates Czapekrsquos Dox broth (CDB)
used as control and carbendazim at 20 microgdisc used as positive control Petri dishes were
left for 5-7 days at 30degC and distance between test fungus and disc was measured as
inhibition zone (Qureshi 2003)
29 In vitro antibacterial activity of the frcations of culture fitrates of the
Penicillium species
In order to examine the prescence of secondary metabolites of the species of
Penicillium against bacteria lawn of test bacterium was prepared in 90mm petri dishes
containing Nutrient Agar medium Filtrates of cell free culture of the species of Penicillium
species at 20 40 and 60 microldisc were loaded on thick sterile filter paper discs and dried
15
and placed in clock wise manner according to concentration in the plates having bacterial
lawn with nutrient Agar 5 mm disc of test fungus was inoculated in centre of plate Discs
loaded with sterile broth of Czapekrsquos Dox (CDB) used as control whereas penicillin
20microgdisc used as positive control for gram positive bacteria and streptomycin 20microgdisc
served as positive control for gram negative bacteria Petri dishes were kept at (30degC) for
(2-3) days The inhibition zone were measured in mm
212 Extraction and compounds from mycelium of endophytic Penicillium
10 gm mycelium was thoroughly washed with n-hexane solvent to remove excess
water and extraction with (200 mL) n-hexane by Soxhlet extractor for (8 h) The fractions
were evaporated at 40degC through a rotary vacuum evaporator
213 Spectroscopy of oily fractions extrcated from mycelium of Penicillium
regulosum
The oily mass extracted from mycelium and culture filtrate of endophytic fungi
were subjected to GC-MS in order to isolate volatile compound GCMS (Gas
chromatographymass spectrometer) analyzed on High Resolution Mass spectrometer Jeol
HX-110 (Japan) eqquiped with data system DA-5500 with gas chromatograph Hewlett
packard (5890)
213 Determination of colony forming unit (cfu) per ml of suspension
Colony forming unit (cfu) per ml of Penicillium suspension were determined by
dilution plate method Fungi grown on the petri plates added then multiplied by the factor
of the dilutions donated by (cfuml) of the fungi
Cfu ml = Number of colonies of bacteria on plate X Dilution factor
16
214 Growth parameters
2141 Physical growth parameter
On harvesting the experiment physical parameters of the plants which was height
weight of the shoot length and weight of the roots number and weight of fruits were
measured
2142 Percent Infection of fungi (root rot) on roots
To determe of the infection of the root rot fungi method reported by Rahman et al
(2016) was used
215 Biochemical parameters
2151 Estimation of polyphenols
Dried sample of the leaves crushed in ethanol of 96 vv At 3000rpm for 20min
mixture of the sample centrifuged Supernatants used to anlayse antioxidant Salicylic and
polyphenol activity
Folin-Ciocalteu phenol reagent used for total poly phenol content described
(Chandini et al 2008)
2152 Estimation of antioxidant activity
Free radical scavenging assay was determined by DPPH (2 2-Di-phenyl-1-
picrylhydrazyl) used for Antioxidant activity (Zubia et al 2007 Duan et al 2006)
2153 Quantification of salicylic acid (SA)
Salicylic quantification was done by using 01 percent prepared Fecl3 (Ferric Chloride)
described by Warrier et al (2013)
216 analysis of Fruits
17
2161 pH (Power of Hydrogen)
To determine the pH fresh sample of five gram fruit in (10ml) of distilled water
were centrifuged for (20 min) in (3000) rpm Supernatent collected to analyse biochemical
activitySample pH measured as described (AOAC 1990)
2162 Moisture content
To analyse moisture content Fresh fruit determine by the method AOAC (1990)
Fruit moisture content can be calculated as follows
Moisture content= Weight of fresh sample ndash Weight of dried sampletimes 100
-------------------------------------------------------
Weight of fresh sample
2163 Tritable acidity (TA)
Sample of 5-ml titrated against (01 N) NOAH solutions by adding 2-3 drops of
phenolphthalein indicator drops for the persistent of the pink coloration The tritable
acidity was calculated by AOAC (1900)
2164 Total soluble solid
A juice drop transferred on prism surface of the hand refractometer (model
ATAGO) and the brix value was recorded by adjusting the eyepiece which showed TSS in
sucrose
2165 Firmness
Tomato fruit firmness recorded by using a TA-XT (Texture Analyser) with 3mm
diameter of the flat aluminium probe
2166 Total solids
It was determined as described by (James 1995) by subtracting percentage
moisture from 100
18
Total solids () = 100 ndash moisture
2167 Protein
Content of protein measured using (Lowry et al 1951) method
2168 Carbohydrate
Method of Phenol-sulphuric acid used to determine the prescence of carbohydrate
of the fruit sample (Dubios et al 1956)
2169 Antioxidant activity and Total polyphenol
To estimate the polyphenol by Folin-Ciocalteu phenol reagent method used
described as (Chandini et al 2008) To determine the antioxidant activity of fruits
samples used by method described by (Zubia et al 2007 Duan et al 2006)
217 Experimental design
Complete randomized design or randomized complete block design used as a
ststistical tool in screen house and field conditions experiments
218 Analysis of data
(ANOVA) Analysis of variance included least significant difference (LSD) were
analyse according to experimental design described as Gomez and Gomez (1984) were
used
19
3 EXPERIMENTAL RESULTS
31 Isolation of endophytic Penicillium
Out of 80 plant samples from both wild and cultivated species (Roots stems and
leaves) 14 samples showed presence of genus Penicillium Endophytic Penicillium spp
isolated (root stem and leaves) from wild plants (Achyranthus aspera Atriplex stocksii
Euphorbia hirta Chorchorus tridens) and cultivated plant (Solanum melongena
Lycopersicon esculentum Helianthus annuus Azadirachta indica Abelmoschus
esculentus Momordica charantia) Fourteen isolates of Penicillium were isolated and
identified on the bases of their morphological feature Species of Penicillium were
identified as P lividum P lilacinum P purpurogenum P nigricans P rugulosum P
restrictum P duclauxi P asperum P thomii P citrinum and P javanicum (Table 1)
32 Molecular Identification of endophytic Penicillium
The selected endophytic Penicillium isolates P rugulosum (EPAAR5) P
decumbens (EPAIR6) P nigricans (EPSLR4) P asperum (EPHAL10) and P
purpurogenum (EPEHS7) initially identified by morphological characters were further
subjected to molecular identification and strain typing (Habiba et al 2018) PCR
amplification of DNA from endophytic Penicillium strains using a universal genus specific
primer set (ie ITS1 and ITS4) which amplified the product size ranging between 500 to 600
bp for different fungal species while 600bp specific for Penicillium spp All products thus
showing the availability and consistency in size of typical 600bp for Penicillium isolates
(Figure 1A) RAPD-PCR was also performed to established the genotypic variations and
similarities with in the genus Penicillium (Figure 1B) RAPD-PCR is universally used and
based on polymorphism of DNA at the taxonomic level clearly illustrates the discrimination
power at the specie level Moreover the dendrogram of RAPD-PCR analysis revealed the
genetic relatedness between the isolates (Figure 1C) Dendogram represents two distinct
clades in first isolate P rugulosum EPAAR5 and P purpurogenum EPEHS7 were found to
share the same clade (a) whereas P asperum EPHAL10 P nigricans EPSLR4 P
decumbens EPAIR6 and positive control exist together in the second clade (b)
20
21
22
32 In dual culture plate assay antifungal activity of endophytic Penicillium
Fungicidal potential of endophytic species of Penicillium isolates were
examined usually phytopathogens such as Rhizoctonia solani Macrophomina
phaseolina F oxysporum and Fusarium solani using dual culture plate assay The 5mm
diam agar disc of endophytic Penicillium was placed on a 90mm Petri dish poured
with (CDA) Czapekrsquos Dox Agar pH (72) On opposite side of this disc from root
rotting fungi grown in plate a 5mm disc of was cut placed and leave at 28oC and
inhibition zone measured averaged and expressed in mm
All endophytic Penicillium showed best result against common root rot fungi
Maximum inhibition zone (25mm) against Fsolani produced by Ppurpurogenum
then Pdecumbens and P nigricans inhibition zone produced against Rsolani
(Table 1) fig1-7
23
Table 1 Suppression of Macrophomina phaseolina Rhizoctonia solani Fusarium solani and F oxysporum in dual culture plate assay
by the endophytic Penicillium species isolated from different wild and cultivated plants
Fungus Penicillium spp Host name Plant
part MPhaseolina Rsolani Fsolani Foxysporum
Zone of inhibition(mm)
EPSMR1 P citrinum Solanum melongena L
(Solanaceae)
Root 4 4 20 20
EPSMS2 P lilacinum Solanum melongena L (Solanaceae) Stem 6 8 11 14
EPSML3 Ppurpurogenum Solanum melongena L (Solanaceae) leaf 6 5 25 17
EPSLR4 P nigricans Lycopersicon esculentum L
(Solanaceae)
root 5 25 16 21
EPAAR5 P rugulosum Achyranthus aspera L
(Amaranthaceae)
root 3 12 11 20
EPAIR6 P decumbens Azadirachta indica AJuss
(Meliaceae)
root 5 25 13 20
EPEHS7 P purpurogenum Euhorbia hirta L (Euphorbiaceae) stem 6 5 25 17
EPCTS8 P restrictum Chorchorus tridens L (Malvaceae) stem 2 2 5 5
EPASS9 Pduclauxi Atriplex stocksii
(Amaranthaceae)
stem 18 13 11 14
EPHAL10 Pasperum Helianthus annuus L (Asteraceae) leaf 2 2 5 5
EPAER11 P thomii Abelmoschus esculentus L
(Malvaceae)
root 5 8 5 6
EPMCL12 Plividum Momordica charantia L
(Cucurbitaceae)
leaf 18 13 11 14
EPSLR13 Pjavanicum Lycopersicon esculentum L
(Solanaceae)
root 5 24 17 22
EPAER14 Ppurpurogenum Abelmoschus esculentus L
(Malvaceae)
root 5 3 21 12
24
Fig1 Growth inhibition of Foxyspoum by the endophytic Penicillium in dual culture plate
assay
Fig2 Growth inhibition of Fsolani by the endophytic Penicillium in dual culture plate
assay
25
Fig3 Growth inhibition of Fsolani by the endophytic Penicillium in dual culture plate
assay
Fig4 Growth inhibition of F solani by the endophytic Penicillium
in dual culture plate assay
26
Fig5 Growth inhibition of Foxyspoum by the endophytic Penicillium in dual culture plate
assay
Fig6 Growth inhibition of Fsolani by the endophytic Penicillium in dual culture plate
assay
27
Fig7 Growth inhibition of Foxyspoum by the endophytic Penicillium in dual culture plate
assay
33 In vitro fungicidal potential of culture filtrates of endophytic Penicillium
Penicillium isolates were grown in Czapekrsquos Dox broth pH 72 at 25-30oC for 15
days and through filteration culture filtrate was collected in autoclaved flasks The filtrate of
culture was dropped by chloroform under sterilize conndition to kill fungal propagoles if
any To determine the antifungal activity Disc Diffusion Method was used in which cell free
culture filterates at 20microldisc 40microldisc 60microldisc and control were placed at equal distance
at diferent positions in the petri plates poured with Czapeks Dox Agar pH 72 Water
impregnated disc were used as negative control and carbendazim 20microgdisc were used as
positive control against four root rot fungi viz Rhizoctonia solani Macrophomina
phaseolina F oxysporum and Fusarium solani 5mm disc of each root rot pathogen
Fusarium solani Macrophomina phaseolina F oxysporum and Rhizoctonia solani was
inoculated in the centre of the petri plates were kept 28oC for 5 days Distance between
paper disc and fungal colonies was measured as inhibition zone which were averaged and
showed in mmThe experiment was performed twice and replicated four times
28
Culture filtrate of Penicillium initiated growth suppression of (root rotting) fungi viz R
solani M phaseolina F oxysporum and F solani in vitro M phaseolina was inhibited by
culture filtrates of Plilacinum Pnigricans and Pthomii at 60microldisc by producing
maximum zone of 20mm Plilacinum Pnigricans and Pthomii also showed zone of
inhibition of 15mm at 20microldisc and 17mm at 40microldisc R solani was inhibited by
producing zone of 14mm at 60microldisc from culture filtrates of Plilacinum Ppurpurogenum
(EPSML3) Ppurpurogenum (EPEHS7) Pasperum and Ppurpurogenum (EPAER14)
Pnigricans and Pthomii produced zone of inhibition of 17mm at 60microldisc against F
solani P decumbens P citrinum Ppurpurogenum (EPSML3) EPSLR4 Pregulosum
Ppurpurogenum (EPEHS7) Pduclauxi Pasperum Pthomii Pjavanicum and
Ppurpurogenum (EPAER14) produced zone of inhibition ranging from 12-14mm at
60microldisc(Table 2)
29
Table 2 In vitro growth inhibition of Macrophomina phaseolina Rhizoctonia solani Fusarium solani and Foxysporum by culture
filtrates of endophytic Penicillium species isolated from wild and cultivated plant species
Fungus No Penicillium spp MPhaseolina Rsolani Fsolani Foxysporum
Zone of inhibition(mm)
Control 0 0 0 0
+ve Control (Carbendazim 20microgdisc) 8 5 9 7
EPSMR1 P citrinum
20microldisc 8 8 8 10
40microldisc 8 10 10 10
60microldisc 16 12 10 12
EPSMS2 Plilacinum
20microldisc 15 10 10 5
40microldisc 17 10 12 5
60microldisc 20 14 12 8
EPSML3 Ppurpurogenum
20microldisc 12 8 10 8
40microldisc 14 8 12 8
60microldisc 14 14 14 12
EPSLR4 P nigricans
20microldisc 15 0 11 8
40microldisc 17 4 15 9
30
Fungus No Penicillium spp MPhaseolina Rsolani Fsolani Foxysporum
Zone of inhibition(mm)
60microldisc 20 8 17 12
EPAAR5 P rugulosum
20microldisc 11 6 8 9
40microldisc 16 10 8 12
60microldisc 16 12 12 12
EPAIR6 P decumbens
20microldisc 12 5 14 12
40microldisc 14 8 14 14
60microldisc 14 8 14 14
EPEHS7 Ppurpurogenum
20microldisc 12 8 10 8
40microldisc 14 8 12 8
60microldisc 14 14 14 12
EPCTS8 Prestrictum
20microldisc 8 0 8 8
40microldisc 10 5 8 9
60microldisc 11 7 12 11
EPASS9 P duclauxi
20microldisc 12 0 12 10
31
Fungus No Penicillium spp MPhaseolina Rsolani Fsolani Foxysporum
Zone of inhibition(mm)
40microldisc 16 6 14 10
60microldisc 16 8 14 12
EPHAL10 Pasperum
20microldisc 10 8 12 10
40microldisc 12 10 16 12
60microldisc 12 14 16 12
EPAER11 Pthomii
20microldisc 15 0 11 8
40microldisc 17 4 15 9
60microldisc 20 8 17 12
EPMCL12 P lividum
20microldisc 12 8 10 9
40microldisc 12 8 12 11
60microldisc 14 12 13 11
EPSLR13 P javanicum
20microldisc 10 0 8 8
40microldisc 12 5 9 8
60microldisc 14 8 10 12
EPAER14 P purpurogenum
32
Fungus No Penicillium spp MPhaseolina Rsolani Fsolani Foxysporum
Zone of inhibition(mm)
20microldisc 12 8 10 8
40microldisc 14 8 12 8
60microldisc 14 14 14 12
33
34 In vitro antibacterial potentail of culture filtrates of endophytic Penicillium
Bacterial lawn of test bacteria was prepared in 90mm Petri dished conating Nutrient
agar and loaded disc of culture filterates at 20microldisc 40microldisc 60microldisc and control were
placed at equal distance in clockwise pattern in according to concentration Water
impregnated disc were used as negative control and Streptomycin 10microgdisc applied as +ve
control for gram +ve bacteria viz Salmonella typhimurium and Escherichia coli and
Penicillin applied as +ve control for gram positive bacteria viz Bacillus subtilus and
Staphlococcus aureus Zones of inhibition produced around the discs after 2-3 days growth
were recorded averaged and showed in millimeter (mm) The performance was conducted
twice and replicated four times
Fourteen isolates of Penicillium species were tested in vitro against four bacterial
species Bacillus subtilus and Staphlococcus aureus (Gram positive) and Salmonella
typhimurium and Escherichia coli (Gram negative)Cell free filtrate of culture of the
Penicillium resulted growth suppression of four bacteria Bsubtilus Saureus S
typhimurium and E coli in vitro Penicillium rugulosum was found to inhibit by Bsubtilus
by producing maximum zone of 9mm at 20microldisc 13mm at 40microldisc and 21mm at
60microldisc P rugulosum was found to inhibit by Saureus by producing maximum zone of
24mm at 20microldisc 30mm at 40microldisc and 30mm at 60microldisc P rugulosum was found to
inhibit S typhimurium by producing maximum zone of 12mm at 20microldisc 20mm at
40microldisc and 20mm at 60microldisc P rugulosum was found to inhibit E coli by producing
maximum zone of 18mm at 20microldisc 22mm at 40microldisc and 22mm at 60microldisc Bsubtilus
was inhibited by P lividum and Plilacinum by producing 16mm and 10mm zone at 20 40
and 60microldisc respectively Saureus was inhibited by P lividum and Plilacinum by
producing zone of inhibition of 18mm at 40 and 60microldisc and 20mm at 60microldisc
respectively E coli was found to inhibit by P decumbens by producing zone of 18mm at all
concentration (Table 3 and Fig 8)
34
Table3 In vitro growth suppression of Bsubtilus Saureus S typhimurium and E coli by culture filtrates of endophytic Penicillium
species
Fungus No Penicillium sp Bsubtilus Saureus S typhimurium E coli
Zone of inhibition mm
Control 0 0 0 0
Streptomycin 20 microgdisc 15 15 15 15
EPSMR1 P citrinum
20microldisc 6 4 4 4
40 microldisc 6 8 8 6
60 microldisc 6 8 8 6
EPSMS2 Plilacinum
20microldisc 10 10 14 8
40 microldisc 10 10 16 8
60 microldisc 10 12 20 8
EPSML3 Ppurpurogenum
20microldisc 4 6 0 0
40 microldisc 6 6 0 4
60 microldisc 8 8 10 4
EPSLR4 P nigricans
20microldisc 0 0 0 0
35
Fungus No Penicillium sp Bsubtilus Saureus S typhimurium E coli
Zone of inhibition mm
40 microldisc 4 4 2 4
60 microldisc 4 8 4 4
EPAAR5 P rugulosum
20microldisc 9 24 12 18
40 microldisc 13 30 20 22
60 microldisc 21 30 20 22
EPAIR6 P decumbens
20microldisc 6 4 10 18
40 microldisc 6 6 12 18
60 microldisc 6 8 14 18
EPEHS7 Ppurpurogenum
20microldisc 0 0 0 0
40 microldisc 8 6 0 0
60 microldisc 10 8 4 4
EPCTS8 P restrictum
20microldisc 2 4 4 4
40 microldisc 8 6 4 8
60 microldisc 8 8 6 12
EPASS9 P duclauxi
36
Fungus No Penicillium sp Bsubtilus Saureus S typhimurium E coli
Zone of inhibition mm
20microldisc 0 4 0 12
40 microldisc 0 4 0 12
60 microldisc 0 6 0 16
EPHAL10 Pasperum
20microldisc 0 8 4 2
40 microldisc 4 10 4 2
60 microldisc 4 10 6 4
EPAER11 Pthomii
20microldisc 0 0 0 4
40 microldisc 0 0 0 8
60 microldisc 0 0 0 8
EPMCL12 P lividum
20microldisc 16 16 8 4
40 microldisc 16 18 12 6
60 microldisc 16 18 12 6
EPSLR13 P javanicum
20microldisc 0 0 0 14
40 microldisc 0 0 0 16
60 microldisc 0 8 0 16
37
Fungus No Penicillium sp Bsubtilus Saureus S typhimurium E coli
Zone of inhibition mm
EPAER14 P purpurogenum
20microldisc 0 0 0 0
40 microldisc 8 6 0 0
60 microldisc 10 8 4 4
38
Fig 8 Growth inhibition of Saureus by the culture filterate of endophytic Penicillium in
disc diffusion method
A=Control B=+ve control C=20microldisc D=40microldisc E=60microldisc
35 In vitro nematicidal potentail of culture filtrates of endophytic Penicillium
spp
Penicillium isolates were grown in CDB (Czapekrsquos Dox broth) pH (72) at (25-
30oC) for 15 days and filtered and culture filtrate was collected in sterile flasks for use
Suspension of 10 juveniles per ml and culture filtrate (1 ml) of Penicillium isolates
shifted in cavity blocks and placed at 26 plusmn5oC These were replicated three times and
mortality rate of juvenile was noticed subsequently 24 and 48 hours
Culture filtrates of endophytic Penicillium exhibited nematicidal effects juveniles
mortality of Meloidogyne javanica occurred at different percentages Out of 14 isolates
tested Ppurpurogenum (EPSML3) initiated 100 killing of juveniles of M javanica in
24 h While 10 isolates initiated 50 or more juveniles mortality in 48 hours (Table 4)
A
B
C
E D
39
Table4 Effect of cell free culture filtrate of endophytic Penicillium spp on juveniles mortality of Meloidogyne javanica after 24 and
48 hours
Treatments Code Juveniles Mortality
24Hours 48Hours
Control(CDA Broth) hellip 0 0
P decumbens EPAIR6 50 76
Pnigricans EPSLR4 10 33
Pregulosum EPAAR5 46 63
P citrinum EPSMR1 36 73
Plilacinum EPSMS2 36 83
Ppurpurogenum EPSML3 100 100
Pduclauxi EPASS9 10 76
Plividum EPMCL12 16 53
Ppurpurogenum EPEHS7 43 76
Prestrictum EPCTS8 76 83
Pthomii EPAER11 43 43
Ppurpurogenum EPAER14 43 76
Pjavanicum EPSLR13 10 33
Pasperum EPHAL10 30 70
40
41
36 In-vitro antimicrobial potentail of solvent fractions of culture filtrtaes of
endophytic Penicillium
In our present study filtrates of culture of each fungus extracted thrice with n-
hexane and then chloroform by shaking vigorously in a separating funnel The extraction
volume of each solvent is approximately half to that of filtrate The n-hexane and
chloroform fractions were collected pooled and finally crude extracts on a rotary vacum
evaporator (Eyela-NE) separately and weighed The dilutions of 15mgml of n-hexane and
chloroform were dissolved in their respective solvents and weighed down on senitized
discs at 20 40 and 60microldisc and dried These are used for antimicrobial test by Disc
Diffusion Method as described for cell free culture filtarates section (Hadacek and Greger
2000) Solvent of respective fractions were served as control streptomycin at 20microgdisc
was used as positive control in determining antibacterial activity against Salmonella
typhimurium Escherichia coli Bacillus subtilus Staphlococcus aureus and Pseudomonas
auroginosa Whereas in antifungal activity carbendazim at 20microgdisc used as positive
control against root rotting fungi Mphaseolina Foxysporum Fsolani and Rsolani
There were four replicates of each treatment
361 In-vitro fungicidal potentail of n-hexane fractions
P rugulosum and Ppurpurogenum (EPEHS7) produced inhibition zones of 20mm
against Mphaseolina whereas P decumbens produced maximum inhibition zones of
25mm against Foxysporum and Fsolani was also inhibited P rugulosum
Ppurpurogenum (EPEHS7) and P nigricans Highest zone of inhibition of 25mm at
60microldisc were produced by P rugulosum against Rsolani (Table 5)
42
Table5 In vitro growth inhibition of M Phaseolina R Solani F solani and F oxysporum by n-Hexane fraction of endophytic
Penicillium species
Fungus No Penicillium sp M phaseolina R solani F solani F oxysporum
Zone of inhibition mm
Control 0 0 0 0
Carbendazim 20 microgdisc 30 30 30 30
EPSLR4 P nigricans
20microldisc 0 18 8 12
40 microldisc 0 18 12 15
60 microldisc 0 18 12 15
EPAAR5 P rugulosum
20microldisc 20 22 20 15
40 microldisc 20 25 20 15
60 microldisc 20 25 20 15
EPAIR6 P decumbens
20microldisc 0 0 0 25
40 microldisc 0 0 0 25
60 microldisc 0 0 0 25
EPEHS7 Ppurpurogenum
20microldisc 20 20 20 0
43
40 microldisc 20 20 20 0
60 microldisc 20 `20 20 0
EPHAL10 Pasperum
20microldisc 0 0 0 0
40 microldisc 0 0 0 0
60 microldisc 0 0 0 0
44
362 In-vitro antibacterial potentail of n-hexane fractions of culture filtrates of
endophytic Penicillium
Pasperum and P rugulosum inhibited Bacillus subtilus by producing inhibition
zones ranging from 12-14mm respectively P rugulosum suppressed the growth of
Staphlococcus aureus by producing inhibition zone 24mm at 60microldisc while P
rugulosum also formed inhibition zones measuring 18mm against Escherichia coli whereas
the inhibition zones of 20mm against Salmonella typhimurium were produced by P
rugulosum Similarly P rugulosum inhibited Pseudomonas auroginosa with zones of
25mm (Table 6 and Fig9-12)
363 In-vitro fungicidal potentail of chloroform fractions of culture filtrates of
endophytic Penicillium
P rugulosum produced inhibition zones of 20mm 25mm 20mm and 15mm at
60microldisc against Fsolani Rsolani Mphaseolina Rsolani and Foxysporum (Table 7)
45
Table6 In vitro growth inhibition of Bsubtilus Saureus S typhimurium E coli and Pauroginosa by n-hexane fraction of
endophytic Penicillium species
Penicillium sp Bsubtilus Saureus S typhimurium E coli Pauroginosa
Zone of inhibition mm
Control 0 0 0 0 0
Streptomycin 20 microgdisc 15 15 15 15 15
EPSLR4 P nigricans
20microldisc 6 10 8 8 8
40 microldisc 9 10 8 8 9
60 microldisc 11 11 9 12 10
EPAAR5 P rugulosum
20microldisc 0 18 18 11 18
40 microldisc 0 21 18 11 22
60 microldisc 0 24 20 18 22
EPAIR6 P decumbens
20microldisc 0 8 16 0 11
40 microldisc 0 8 16 0 11
60 microldisc 0 12 16 0 11
EPEHS7 Ppurpurogenum
20microldisc 5 10 7 8 9
40 microldisc 8 10 7 8 11
46
60 microldisc 8 12 7 8 11
EPHAL10 Pasperum
20microldisc 10 8 6 10 10
40 microldisc 11 9 6 10 10
60 microldisc 12 11 9 10 12
47
Fig9 Growth inhibition of Pauroginosa by the n-hexane fraction endophytic Penicillium in
disc diffusion method
Fig10 Growth inhibition of Saureus by the n-Hexane fraction of endophytic Penicillium in
disc diffusion method
C
+ve C
20microl
60microl
40microl
+veC
20microl
40microl
60microl
C
48
Fig11 Growth inhibition of S typhimurium by the n-Hexane fraction of endophytic
Penicillium in disc diffusion method
Fig12 Growth inhibition of E coli by the n-Hexane fraction of endophytic Penicillium in
disc diffusion method
C
60microl
40microl
20microl +veC
vCCe
veve
+veC
vCCe
veve
C
60microl
20microl
40microl
49
Table7 In vitro growth suppression of M Phaseolina R Solani F solani and F oxysporum by chloroform fraction of endophytic
Penicillium species
Fungus No Penicillium sp M Phaseolina R Solani F solani F oxysporum
Zone of inhibition mm
Control 0 0 0 0
Carbendazim 20 microgdisc 30 30 30 30
EPSLR4 P nigricans
20microldisc 0 0 0 0
40 microldisc 0 0 0 0
60 microldisc 0 0 0 0
EPAAR5 P rugulosum
20microldisc 15 0 20 20
40 microldisc 15 0 20 20
60 microldisc 15 0 20 20
EPAIR6 P decumbens
20microldisc 0 0 0 0
40 microldisc 0 0 0 0
60 microldisc 0 0 0 0
EPEHS7 Ppurpurogenum
20microldisc 25 0 20 15
40 microldisc 25 0 20 15
50
60 microldisc 25 0 20 15
EPHAL10 Pasperum
20microldisc 0 0 0 0
40 microldisc 0 0 0 0
60 microldisc 0 0 0 0
364 In-vitro antibacterial potentail of chloroform fractions of culture filtrates of endophytic Penicillium
P rugulosum inhibited Bacillus subtilus Staphlococcus aureus Salmonella typhimurium and Pseudomonas auroginosa by
producing inhibition zones ranging from 21-18mm P rugulosum while P rugulosum also produced inhibition zones measuring
11mm against Escherichia coli whereas the inhibition zones of 14mm against Escherichia coli were produced by P nigricans
(Table 8 and Fig12)
51
Table8 In vitro growth inhibition of Bsubtilus Saureus S typhimurium E coli and Pauroginosa by chloroform fraction of
endophytic Penicillium species
Fungus No Penicillium sp Bsubtilus Saureus S typhimurium E coli Pauroginosa
Zone of inhibition mm
Control 0 0 0 0 0
Streptomycin 20 microgdisc 15 15 15 15 15
EPSLR4 P nigricans
20microldisc 16 16 14 14 16
40 microldisc 16 16 14 14 18
60 microldisc 18 16 16 14 20
EPAAR5 P rugulosum
20microldisc 18 18 20 11 20
40 microldisc 18 18 20 11 21
60 microldisc 18 18 20 11 21
EPAIR6 P decumbens
20microldisc 0 0 0 0 0
40 microldisc 0 0 0 0 0
60 microldisc 0 0 0 0 0
EPEHS7 Ppurpurogenum
20microldisc 0 0 14 0 0
52
40 microldisc 0 0 14 0 0
60 microldisc 0 0 14 0 0
EPHAL10 Pasperum
20microldisc 0 7 11 0 6
40 microldisc 0 7 11 0 6
60 microldisc 0 10 11 0 9
53
4
Fig13 Growth inhibition of S typhimurium by the chloroform fraction of endophytic
Penicillium in disc diffusion method
C
+ve C
20microl 40microl
60microl
54
3656 Extraction and characterization of compounds from mycelium of endophytic
Penicillium
Czapekrsquos Dox broth of Penicillium regulosum was prepared in (250 ml) conical
flask containing (100 ml) A 5mm disc of test Penicillium was cuttedinoculated and
incubated (25-30degC) and left for 15 days When fungi secreted secondry metabolites then
cell free culture filtrates were obtained by filtering The mycelium was used for the
extraction of compounds
10 gm mycelium was thoroughly washed with n-hexane solvent to remove excess
water and extracted with 200 mL n-hexane using a Soxhlet extractor for 8 h The extracts
were filtered and dried at 40degC by using a rotary vacuum evaporator The oily mass
extracted from mycelium of Penicillium regulosum was subjected to GC-MS analysis
GCMS (Gas chromatographymass spectrometer) analyzed on High Resolution Mass
spectrometer Jeol HX-110 (Japan) equipped with data system DA-5500 in combination with
gas chromatograph Hewlett packard (5890)
Total 23 different chemical compounds were obtained from mycelium fraction Volatile
compound such as normal hydrocarbon (akane and alkene) fatty acid alcohol ether
terpenoids and benzene derivatives including cyclohexane and other compounds that were
found among the volatile metabolites were identified by mass spectral data base (Table 9)
55
(1) Nanodecane
(2) Nonadecane
(3) Heptadecane
(4) Heptacosane
(5) Heptacosane
(6) Eicosane
(7) Octadecane
(replib) Nonadecane
50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 2400
50
10057
71
85
99113 127 141 155 169 183 197
(replib) Nonadecane
60 80 100 120 140 160 180 200 220 240 260 2800
50
10057
71
85
99113 127 141 155 169 183 197 268
(replib) Heptadecane
50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 240 2500
50
10057
71
85
99113 127 141 155 169 182 196 210 240
(replib) Heptacosane
60 80 100 120 140 160 180 200 220 240 260 280 300 320 3400
50
10057
71
85
99113 127 141 155 169 183 197 211 225 239 253 267 281 294 308 322 336
(replib) Heptacosane
60 80 100 120 140 160 180 200 220 240 260 280 300 3200
50
10057
71
85
99113 127 141 155 169 183 197 211 225 239 253 267 281 294 308 322
(mainlib) Eicosane
60 80 100 120 140 160 180 200 220 240 260 2800
50
10057
71
85
99113
127 141 155 169 183 197 211 225 238 252 282
(replib) Octadecane
60 80 100 120 140 160 180 200 220 240 2600
50
10057
71
85
99113 127 141 155 169 183 197 210 225 254
56
(8) Tetradecanoic acid
(9) Dodecane 2610-trimethyl-
(10) i-Propyl tetradecanoate
(11) i-Propyl 12-methyltetradecanoate
(12) Ethyl 13-methyl-tetradecanoate
(13) Widdrol hydroxyether
(mainlib) Tetradecanoic acid
50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 2400
50
100
55
60
69
73
8397 115
129
138
143157
171
185
199209
228
OH
O
(replib) Dodecane 2610-trimethyl-
60 80 100 120 140 160 180 200 220 240 2600
50
10057
71
85
97
113127
141 155 168183 197 212
(mainlib) i-Propyl tetradecanoate
50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 240 2500
50
100
60
71
8397
102
111
129
143157
171
185
199
211
228
O
O
(mainlib) i-Propyl 12-methyltetradecanoate
60 80 100 120 140 160 180 200 220 240 2600
50
10057
60
71
83 97
102
111 129
143153 165
177
185
195 213225
242O
O
(mainlib) Ethyl 13-methyl-tetradecanoate
60 80 100 120 140 160 180 200 220 240 260 2800
50
100
55
61
70
88
101
115129
143
157
171 185 199 213
227
241 255
270
O
O
(mainlib) Widdrol hydroxyether
60 80 100 120 140 160 180 200 220 240 260 2800
50
100
55
69
81
95 109
123
135
140
150
167
177 205223
238
O
OH
57
(14) n-Hexadecanoic acid
(15) Hexadecanoic acid ethyl ester
(16) Oleic Acid
(17) 912-Octadecadienoic acid ethyl ester
(replib) n-Hexadecanoic acid
60 80 100 120 140 160 180 200 220 240 2600
50
10060 73
8397
115
129
143157 171 185
199
213
227 239
256
OH
O
(mainlib) Hexadecanoic acid ethyl ester
60 80 100 120 140 160 180 200 220 240 260 2800
50
100
55
61 73
88
101
115129 143
157
171 185 199 213 225239
255 267284
O
O
(mainlib) 912-Octadecadienoic acid ethyl ester
60 80 100 120 140 160 180 200 220 240 260 280 300 3200
50
100
55
6781
95
109
123135 150 164 178
192 205 220 234
263
279
308
O
O
(replib) Oleic Acid
60 80 100 120 140 160 180 200 220 240 260 2800
50
10055
69
83
97
111
125137 151 165 180 193 207 222 236
264
282
HO
O
58
(18) Ethyl Oleate
(19) cis-10-Nonadecenoic acid
(20) 2-Propenoic acid 3-(4-methoxyphenyl)- 2-ethylhexyl ester
(21) 12-Benzenedicarboxylic acid diisooctyl ester
(replib) Ethyl Oleate
60 80 100 120 140 160 180 200 220 240 260 280 300 3200
50
10055
6983
97
111123
137 155180
194 207
222
236
264
281
310
O
O
(mainlib) cis-10-Nonadecenoic acid
60 80 100 120 140 160 180 200 220 240 260 280 300 3200
50
10055
6983
97
111
125137 151 165 179 194 207 221 236 249 261
278296
HO
O
(mainlib) 2-Propenoic acid 3-(4-methoxyphenyl)- 2-ethylhexyl ester
60 80 100 120 140 160 180 200 220 240 260 280 3000
50
100
55 77 90 103118
133
147
161
178
191 262290
O
O
O
(replib) 12-Benzenedicarboxylic acid diisooctyl ester
60 90 120 150 180 210 240 270 300 330 360 3900
50
100
5770
83 104132
149
167
279
O
O
O
O
(mainlib) Cyclopenta[ad]cycloocten-5-one 1233a456899a1010a-dodecahydro-7-(1-methylethyl)-19a-dimethyl-4-methylene
60 90 120 150 180 210 240 270 300 330 360 3900
50
100
55
69
81
95
107
121
147
173189
215
231
243
258
286
O
59
(22) Cyclopenta[ad]cycloocten-5-one 1233a456899a1010a-dodecahydro-7-(1-
methylethyl)-19a-dimethyl-4-methylene
(23) 2-Aminofluorescein
(mainlib) 2-Aminofluorescein
50 100 150 200 250 300 350 400 450 500 550 600 6500
50
100
63 91
151
189
287
303
318 347
O
O
OHO OH
H2N
60
Table9 GCMS of mycelial fraction of Penicillium regulosum
SNo Scan
No
Systemic Name
(Common Name)
Mol
Formula
Mol
Wt
Ret
Time
Conc
1 2606 Nanodecane C19H40 268 24168 0036
2 2913 Heptadecane C17H36 240 2641 0035
3 2998 Tetradecanoic acid C14H28O2 228 27038 0056
4 3230 Octadecane C18H38 254 28737 0049
5 3264 Dodecane 2610-trimethyl- C15H32 212 28986 0077
6 3331 i-Propyl tetradecanoate C17H34O2 270 29476 0058
7 3381 i-Propyl 12-methyltetradecanoate C18H36O2 284 29842 0097
8 3496 Ethyl 13-methyl-tetradecanoate C17H34O2 270 30684 0054
9 3653 Nonadecane C19H40 268 31834 0064
10 3975 Widdrol hydroxyether C15H26O2 238 34192 0094
11 4096 n-Hexadecanoic acid C16H32O2 256 35078 0079
12 4223 Hexadecanoic acid ethyl ester C18H36O2 284 36007 0094
13 4252 Eicosane C20H42 282 36220 0093
14 5475 Oleic Acid C18H34O2 282 45175 0105
15 5516 912-Octadecadienoic acid ethyl ester C20H36O2 308 45475 0084
16 5546 Ethyl Oleate C20H38O2 310 45694 0065
61
17 5970 cis-10-Nonadecenoic acid C19H36O2 296 48799 0053
18 6023 Heptacosane C27H56 380 49187 0051
19 6072 2-Propenoic acid 3-(4-methoxyphenyl)- 2-ethylhexyl ester C18H26O3 290 49546 0058
20 6281 Heptacosane C27H56 380 51076 0044
21 6591 12-Benzenedicarboxylic acid diisooctyl ester C24H38O4 390 53346 0048
22 6668 Cyclopenta[ad]cycloocten-5-one 1233a456899a1010a-
dodecahydro-7-(1-methylethyl)-19a-dimethyl-4-methylene
C20H30O 286 53910 004
23 8458 2-Aminofluorescein C20H13NO5 347 67016 0135
62
37 Screen house experiments
371 Effect of endophytic Penicillium in soil amended with neem cake in inhibition
of the root diseases and growth of sunflower (2016)
Fourteen isolates of endophytic Penicillium viz P duclauxi Plilacinum
Ppurpurogenum (EPSML3) Pnigricans Pregulosum P decumbens Ppurpurogenum
(EPEHS7) P restrictum P citrinum Pasperum Pthomii Ppurpurogenum (EPAER14)
Plividum Pjavanicum and caused growth suppression of four root rotting fungi in vitro A
25ml five-day-old cell suspension of fungal isolates were drench in 1kg soil obtaining from
experimental field of the Department of Botany each clay pots Carbendazim considered as
+ve control against pathogenic fungi Application of endophytic Penicillium and 1 Neem
cake were also applied in another pot set In each pot (6 seeds per pot) seed of sunflower
(Helianthus annuus) were sown and kept four seedlings after germination Treatments were
replicated four times watered daily
After six weeks experiment were harvested to evaluate the potentail of endophytic
Penicillium on the suppression of pathogens and growth of plant and data on height of
plant weight of fresh shoot length of root weight of root were measured and noted The
infection of root rotting fungi roots cleaned with tap water 5 root pieces of 1cm were
sterilized with 1 bleach and placed on plates poured with (Potato Dextrose Agar) PDA
mixed with penicillin (100000 units litre) and streptomycin (02 glitre) After incubation
of 5 day occurrence of root rots were recorded
Plant grown in soil amended with neem cake generally showed less infection of
root rotting fungi related to plant grown in natural soil (un-amended soil) Plant inoculated
with endophytic Penicillium species most of them showed less infection of root rotting
fungi related to control plant Plants grown in pots received Endophytic Pregulosum in
natural soil and also in amended soil with neem cake showed no infection of F oxysporum
Whereas P Pnigricans Pregulosum P citrinum Ppurpurogenum (EPSML3)
Pduclauxi Pthomii Pjavanicum and P decumbens in amended soil with neem cake also
showed no infection of F oxysporum Combine effect of isolates P decumbens
63
Pnigricans P citrinum P lividum Plilacinum Ppurpurogenum (EPSML3) Pduclauxi
Ppurpurogenum (EPEHS7) P restrictum Pthomii Ppurpurogenum (EPAER14)
Pjavanicum and neem cake showed no infection on Fsolani P decumbens Pnigricans
Pregulosum and Pjavanicum also showed no infection of Fsolani when used alone
Plividum alone showed no infection of Mphaseolina on sunflower roots Combine effect
of P decumbens Pnigricans Pregulosum Pthomii and Pjavanicum with neem cake
showed significant reduction on infection of Mphaseolina Application of P decumbens
Pnigricans P citrinum Plividum Ppurpurogenum (EPEHS7) Ppurpurogenum
(EPAER14) and Pjavanicum showed no infection of Rsolani P decumbens
Pregulosum P citrinum Plilacinum Ppurpurogenum (EPSML3) Pduclauxi
Ppurpurogenum (EPEHS7) P restrictum Ppurpurogenum (EPAER14) Pjavanicum
with neem cake showed no infection of Rsolani While Pnigricans Plividum Pthomii
and Pasperum Significantly suppressed the Rsolani infection when applied in neem cake
amended soil (Table 10)
Greater plant height was produced by Ppurpurogenum (EPEHS7) P restrictum
Ppurpurogenum (EPAER14) and Pasperum when applied in neem cake amended soil
However effect of P restrictum and Pasperum with neem cake were significant on fresh
shoot weight (Table 10) Pnigricans Pthomii and Pjavanicum alone showed significant
result of root length and root weight whereas P decumbens and Pduclauxi with neem
cake showed greater root length (Table 11 and Fig13-14)
64
Table10 Effect of endophytic Penicillium and neem cake on the infection of Fusarium solani Foxysporum Rhizoctonia solani and
Macrophomina phaseolina on sunflower roots in green house experiment
Infection
Treatments Code Foxysporum
Fsolani
M phaseolina Rsolani
NS AS NS AS NS AS NS AS
Control hellip 50 187 75 25 75 50 187 125
Carbendazim hellip 25 0 312 62 125 25 125 0
P decumbens EPAIR6 187 0 0 0 25 187 0 0
Pnigricans EPSLR4 62 0 0 0 375 187 0 62
Pregulosum EPAAR5 0 0 0 187 62 187 62 0
P citrinum EPSMR1 375 0 25 0 125 25 0 0
Plilacinum EPSMS2 25 62 187 0 62 50 62 0
Ppurpurogenum EPSML3 50 0 125 0 62 25 62 0
Pduclauxi EPASS9 50 0 62 0 312 312 62 0
Plividum EPMCL12 50 62 50 0 0 50 0 62
Ppurpurogenum EPEHS7 375 187 375 0 50 312 0 0
Prestrictum EPCTS8 50 62 62 0 125 437 62 0
Pthomii EPAER11 62 0 62 0 375 187 62 62
Ppurpurogenum EPAER14 375 187 375 0 50 312 0 0
Pjavanicum EPSLR13 62 0 0 0 375 187 0 0
Pasperum EPHAL10 125 0 25 187 375 312 62 62
LSD005 Treatment=4651 Pathogen=2322 Soil Type=1643
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
3Mean values in the NS and AS column showing difference greater than LSD value are significantly different at plt005
NS= Natural Soil AS=Amended Soil
65
Table11 Effect of endophytic Penicillium and neem cake on the growth of sunflower in green house experiment
Treatments Code Shoot Length
Shoot Weight
Root Length Root weight
(cm)
(g)
(cm)
(g)
NS AS NS AS NS AS NS AS
Control 22775 3993 253 535 643 1162 0645 0675
Carbendazim 2585 418 2216 451 742 1287 0715 0622
P decumbens EPAIR6 2541 4487 243 512 1103 1406 077 0786
Pnigricans EPSLR4 2824 44 277 527 1221 1218 1005 0645
Pregulosum EPAAR5 2527 4406 25 475 862 1287 0781 0629
P citrinum EPSMR1 2599 4681 218 51 94 862 0726 0807
Plilacinum EPSMS2 22685 4587 205 539 631 558 0663 0578
Ppurpurogenum EPSML3 25211 4087 215 471 932 681 0841 0648
Pduclauxi EPASS9 2541 4487 243 512 1103 1406 077 0786
Plividum EPMCL12 22685 4587 205 539 631 558 0663 0578
Ppurpurogenum EPEHS7 234 4931 153 573 887 725 0583 0748
Prestrictum EPCTS8 26186 4918 214 678 918 757 069 0866
Pthomii EPAER11 2824 44 277 527 1221 1218 1005 0645
Ppurpurogenum EPAER14 234 4931 153 573 887 725 0583 0748
Pjavanicum EPSLR13 2824 44 277 527 1221 1218 1005 0645
Pasperum EPHAL10 26186 4918 214 678 918 757 069 0866
LSD005 5141 7881 07911 1821 2551 2821 01951 031
1 Difference greater than LSD values among means in column are significant at plt005
NS= Natural Soil AS=Amended Soil
66
372 Effect of endophytic Penicillium with neem cake in inhibition of the root
diseases and growth of Sunflower (2017)
Fourteen isolates of endophytic Penicillium viz P citrinum Plilacinum
Ppurpurogenum (EPSML3) Pnigricans Pregulosum P decumbens Ppurpurogenum
(EPEHS7) P restrictum Pduclauxi Pasperum Pthomii Plividum Pjavanicum and
Ppurpurogenum (EPAER14) caused growth suppression of four root rotting fungi in vitro
A 25ml five-day-old cell suspension of fungal isolates were drench in 1kg soil obtaining
from experimental field of the Department of Botany each clay pots Carbendazim
considered as positive control against root rotting fungi Application of endophytic
Penicillium and 1 Neem cake were also applied in another pot set In each pot (6 seeds per
pot) seed of sunflower (Helianthus annuus) were sown and kept four seedlings after
germination Treatments were replicated four times watered daily
After six weeks experiment were harvested to evaluate the potentail of endophytic
Penicillium on the suppression of pathogens and growth of plant and data on plant height
fresh shoot weight root length root weight were measured and noted The infection of
root rotting fungi roots were washed under tap water 5 root pieces of 1cm were sterilized
with 1 bleach and placed on plates poured with Potato Dextrose Agar mixed with
penicillin (100000 units litre) and streptomycin (02 glitre) After incubation of 5 day
occurrence of root rots were recorded
67
68
Fig14 Growth promotion by the endophytic Penicillium in sunflower
Control +veControl EP EP EP
69
Fig14 Growth promotion by the endophytic Penicillium in neem cake amended soil in
sunflower
Control +ve Control EP
+veControl EP
EP
EP EP EP EP
EP
Control
70
Plant grown in soil amended with neem cake generally showed less infection of
root rotting fungi as compared to plant grown in natural soil (un-amended soil) Plant
inoculated with endophytic Penicillium species most of them showed less infection of
root rotting fungi as compared to untreated control Plants grown in pots received
Endophytic Penicillium isolates caused significant reduction except Ppurpurogenum
(EPSML3) and Plividum which caused no reduction as compared to untreated control
on F oxysporum infection Whereas pots received endophytic P citrinum
Ppurpurogenum (EPSML3) Pnigricans Pregulosum P decumbens Pduclauxi
Pthomii Pjavanicum with neem cake showed complete suppression of F oxysporum
Combine effect of isolates Pnigricans P citrinum Plilacinum Plividum P
restrictum Pthomii Pjavanicum and neem cake showed no infection of Fsolani P
decumbens Pnigricans and Pjavanicum also showed complete suppression of
infection of Fsolani while Plividum showed no difference from control when used
alone Plividum alone showed no infection of Mphaseolina on sunflower roots
Combine effect of all treatments with neem cake showed significant reduction on
infection of Mphaseolina Application of P decumbens P citrinum Plividum
Ppurpurogenum (EPEHS7) and Pregulosum showed no infection of Rsolani P
decumbens Pnigricans P citrinum Ppurpurogenum (EPSML3) Pduclauxi
Ppurpurogenum (EPEHS7) P restrictum Ppurpurogenum (EPAER14) and
Pjavanicum with neem cake showed complete suppression of Rsolani (Table 12)
Plant grown in soil amended with neem cake generally showed greater height as
compared to plant grown in natural soil (un-amended soil) Plant inoculated with
endophytic Penicillium species most of them showed larger shoot length as compared to
untreated control Greater plant height was produced by Plilacinum when applied in
neem cake amended soil (Table 13 and Fig 15-17)
71
Table12 Effect of endophytic Penicillium and neem cake on the infection of Fusarium solani Foxysporum Rhizoctonia solani and
Macrophomina phaseolina on sunflower roots in green house experiment
Infection
Treatments Code Foxysporum
Fsolani
M phaseolina Rsolani
NS AS NS AS NS AS NS AS
Control 50 187 50 25 75 75 187 125
Carbendazim 125 62 312 62 125 25 62 62
P decumbens EPAIR6 125 0 0 62 25 187 0 0
Pnigricans EPSLR4 62 0 0 0 312 187 62 0
Pregulosum EPAAR5 125 0 25 62 125 125 0 62
P citrinum EPSMR1 375 0 25 0 125 25 0 0
Plilacinum EPSMS2 25 62 187 0 62 50 62 62
Ppurpurogenum EPSML3 50 0 125 62 62 25 62 0
Pduclauxi EPASS9 25 0 62 62 312 187 62 0
Plividum EPMCL12 50 62 50 0 0 50 0 62
Ppurpurogenum EPEHS7 375 187 312 125 50 31 0 0
Prestrictum EPCTS8 125 62 62 0 125 437 62 0
Pthomii EPAER11 62 0 62 0 375 187 62 62
Ppurpurogenum EPAER14 375 187 312 125 50 312 62 0
Pjavanicum EPSLR13 62 0 0 0 312 187 62 0
Pasperum EPHAL10 125 125 25 187 312 312 62 62
LSD005 Treatment=4451 Pathogen=2222 Soil Type=1573
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
3Mean values in the NS and AS column showing difference greater than LSD value are significantly different at plt005
NS= Natural Soil AS=Amended Soil
72
Table13 Effect of endophytic Penicillium and neem cake on the growth of sunflower in green house experiment
Treatments Code
Shoot Length
(cm)
Shoot Weight
(g)
Root Length Root weight
(cm)
(g)
NS AS NS AS NS AS NS AS
Control 3256 3893 378 642 57 1034 085 131
Carbendazim 3781 4293 452 607 84 1025 124 128
P decumbens EPAIR6 4412 6275 386 1013 7 768 086 213
Pnigricans EPSLR4 4838 6208 489 953 863 656 096 141
Pregulosum EPAAR5 4568 6412 472 994 658 666 0909 128
P citrinum EPSMR1 385 6443 373 1425 75 787 088 226
Plilacinum EPSMS2 345 6551 206 1019 706 645 072 161
Ppurpurogenum EPSML3 3545 6037 2405 909 677 593 091 144
Pduclauxi EPASS9 4412 6275 386 1013 7 768 086 213
Plividum EPMCL12 345 6551 206 1019 706 645 072 161
Ppurpurogenum EPEHS7 385 59 245 886 868 1118 083 163
Prestrictum EPCTS8 4158 5006 362 818 6102 1275 067 186
Pthomii EPAER11 4838 6208 489 953 863 656 096 141
Ppurpurogenum EPAER14 385 59 245 886 868 1118 083 163
Pjavanicum EPSLR13 4838 6208 489 953 863 656 096 141
Pasperum EPHAL10 4158 5006 362 818 6102 1275 067 186
LSD005 10331 8971 2271 5521 3021 2171 04581 1071
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
NS= Natural Soil AS=Amended Soil
73
Fig15 Growth promotion by the endophytic Penicillium in soil amended with neem cake
in sunflower
373 Effect of endophytic Penicillium with neem cake in inhibition of root diseases
and mung bean growth
In an experiment a 25 ml cell suspension of five-day-old cultures of Fourteen
isolates of endophytic Penicillium viz P citrinum Plilacinum Ppurpurogenum
(EPSML3) Pnigricans Pregulosum P decumbens Ppurpurogenum (EPEHS7) P
restrictum Pduclauxi Pasperum Pthomii Plividum Pjavanicum and
Ppurpurogenum (EPAER14) were applied in pots filled with 1 Kg soil Endophytic
Penicillium were drench in each pots with 1 neem cake in another pot set Mung bean
(Vigna radiata) seeds were sown pots (6 seeds per pot) Four seedlings were remained in
each pots after germination Treatments were replicated four times and data were noticed
after 45 days
EP
Carbendazim Control
74
No infection of Foxysporum were found Plilacinum Ppurpurogenum (EPSML3)
and Pduclauxi when used in natural soil Whereas infection of Foxysporum was also not
found where Plilacinum Pnigricans and Pduclauxi used in neem cake amended soil
Significant reduction in infection of Fsolani was seen in natural soil by all isolates whereas
in neem cake amended soil all isolates also showed significant reduction other than P
citrinum which showed infection equal to control treatment 75 No infection of
Mphaseolina was showed by P citrinum in both type of soil whereas P restrictum also
showed no infection of Mphaseolina only in natural soil Control showed no infection of
Rsolani in natural soil while Pnigricans Pasperum Pthomii and Pjavanicum in
amended soil showed no infection of Rsolani (Table 14)
Use of endophytic Plividum with neem cake caused a significant increase in
plant height while Pnigricans Plilacinum Ppurpurogenum (EPEHS7) Pasperum
Pthomii Pjavanicum and Ppurpurogenum (EPAER14) showed significant result in
natural soil Ppurpurogenum (EPEHS7) and Ppurpurogenum (EPAER15) showed
significant growth on Shoot weight in natural soil In natural soil greater root length was
showed by Plilacinum whereas in amended soil P restrictum Pasperum Pthomii and
Pjavanicum showed larger root length (Table 15)
75
Table14 Effect of endophytic Penicillium with neem cake on the infection of Fusarium solani Foxysporum Rhizoctonia solani and
Macrophomina phaseolinaon mung bean roots in green house experiment
Infection
Treatments Code Foxysporum
Fsolani
M phaseolina Rsolani
NS AS NS AS NS AS NS AS
Control hellip 50 312 100 75 100 50 0 562
Carbendazim hellip 125 62 50 312 187 25 0 25
P decumbens EPAIR6 125 25 375 437 187 437 0 125
Pnigricans EPSLR4 62 0 50 187 125 187 0 0
Pregulosum EPAAR5 125 187 437 50 312 50 62 562
P citrinum EPSMR1 62 62 437 75 0 0 62 62
Plilacinum EPSMS2 0 0 50 125 312 62 187 62
Ppurpurogenum EPSML3 0 25 375 50 25 25 437 187
Pduclauxi EPASS9 0 0 437 375 25 375 62 25
Plividum EPMCL12 62 25 25 687 125 375 62 50
Ppurpurogenum EPEHS7 62 125 375 312 187 187 62 25
Prestrictum EPCTS8 12 25 437 375 0 312 62 187
Pthomii EPAER11 62 62 437 25 125 312 0 0
Ppurpurogenum EPAER14 62 125 375 312 187 187 62 25
Pjavanicum EPSLR13 62 0 50 187 125 187 0 0
Pasperum EPHAL10 435 125 25 25 25 187 0 0
LSD005 Treatment=5611 Pathogen=2802 Soil Type=1983
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
3 Mean values in the NS and AS column showing difference greater than LSD value are significantly different at plt005
NS= Natural Soil AS=Amended Soil
76
Table15 Effect of endophytic Penicillium and neem cake on the growth of mung bean in green house experiment
Treatments Code Shoot Length
Shoot Weight
Root Length Root weight
(cm)
(g)
(cm)
(g)
NS AS NS AS NS AS NS AS
Control hellip 1375 1714 078 08 1531 4652 051 014
Carbendazim hellip 139 1865 073 1322 1556 473 056 015
P decumbens EPAIR6 1359 161 089 1055 1233 5002 055 023
Pnigricans EPSLR4 1463 1452 077 031 1125 6375 031 011
Pregulosum EPAAR5 1358 1775 073 0732 1943 4905 032 017
P citrinum EPSMR1 1299 1606 059 0617 165 477 039 016
Plilacinum EPSMS2 148 1685 083 0662 251 4175 046 022
Ppurpurogenum EPSML3 1299 1606 059 0617 165 477 039 016
Pduclauxi EPASS9 1187 1916 069 0855 1108 4562 017 016
Plividum EPMCL12 132 2147 061 1358 2252 4785 026 022
Ppurpurogenum EPEHS7 1448 1917 092 1115 1543 445 059 016
Prestrictum EPCTS8 1268 1874 068 1102 1087 702 031 02
Pthomii EPAER11 1463 179 077 1203 1125 7025 031 024
Ppurpurogenum EPAER14 1448 1917 092 1115 1543 445 059 016
Pjavanicum EPSLR13 1463 179 077 1203 1125 7025 031 024
Pasperum EPHAL10 1463 1874 077 1102 1125 702 031 02
LSD005 1611 4011 0191 2141 8421 1151 0171 0071
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
NS= Natural Soil AS=Amended Soil
77
374 Effect of Endophytic Penicillium and cotton cake in inhibition of root
diseases and mung bean growth
A 25 ml five-day-old cell suspension of fourteen isolates of endophytic
Penicillium viz P citrinum Plilacinum Ppurpurogenum (EPSML3) Pnigricans
Pregulosum P decumbens Ppurpurogenum (EPEHS7) P restrictum Pduclauxi
Pasperum Pthomii Plividum Pjavanicum and Ppurpurogenum (EPAER14) were
applied in clay pots filled with 1 Kg soil In similler set endophytic Penicillium were
drench in each pots alongwith 1 cotton cake Seeds of mungbean (Vigna radiata)
were sown Four seedlings were kept in each pot after germination Carbendazim (200
ppm) 25 ml pot considered as positive control
After 45 days data were noted Different Fsolani and Foxysporum infection
showed between plants treated with different isolates was significant Endophytic
Penicillium isolates separete or combine with cotton cake caused significant reduction
M phaseolina infection Plants grown in soil treated with Pnigricans Pregulosum P
decumbens Ppurpurogenum (EPEHS7) Pthomii Plividum Pjavanicum and
Ppurpurogenum (EPAER14) in cotton cake amended soil showed no infection of R
solani (Table 16)
Cotton cake and Pnigricans Pthomii Pjavanicum significant increased root
length and fresh root weight related to control plants While combine use of cotton cake
and P decumbens significantly improved fresh shoot weight (Table 17)
78
Table16 Effect of Endophytic Penicillium and cotton cake on the infection of Fusarium solani Foxysporum Rhizoctonia solani and
Macrophomina phaseolina on mungbean roots in green house experiment
Infection
Treatments Code Foxysporum
Fsolani
M phaseolina Rsolani
NS AS NS AS NS AS NS AS
Control hellip 50 50 100 75 100 75 0 187
Carbendazim hellip 125 50 50 75 187 75 0 187
P decumbens EPAIR6 125 0 375 312 187 375 0 0
Pnigricans EPSLR4 62 187 50 437 125 375 0 0
Pregulosum EPAAR5 125 62 437 125 312 187 62 0
P citrinum EPSMR1 62 25 437 437 0 437 62 187
Plilacinum EPSMS2 0 375 50 687 312 25 187 62
Ppurpurogenum EPSML3 0 437 375 50 25 687 437 185
Pduclauxi EPASS9 0 312 437 562 25 562 62 65
Plividum EPMCL12 62 125 25 25 125 25 62 0
Ppurpurogenum EPEHS7 62 0 375 312 187 125 62 0
Prestrictum EPCTS8 125 312 437 312 0 312 62 65
Pthomii EPAER11 62 187 437 437 125 375 0 0
Ppurpurogenum EPAER14 62 0 375 312 187 125 62 0
Pjavanicum EPSLR13 62 187 50 437 125 375 0 0
Pasperum EPHAL10 437 375 25 312 25 562 0 125
LSD005 Treatment=5891 Pathogen=2942 Soil Type=2083
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
3Mean values in the NS and AS column showing difference greater than LSD value are significantly different at plt005
NS= Natural Soil AS=Amended Soil
79
Table17 Effect of Endophytic Penicillium and Cotton cake on the growth of mung bean in green house experiment
Treatments Code
Shoot Length
Shoot Weight Root Length Root weight
(cm)
(g)
(cm)
(g)
NS AS NS AS NS AS NS AS
Control hellip 1375 1364 078 089 1531 613 051 031
Carbendazim hellip 139 1398 073 106 1556 699 056 038
P decumbens EPAIR6 1359 147 089 142 1233 79 055 039
Pnigricans EPSLR4 1463 1435 077 119 1125 1185 031 071
Pregulosum EPAAR5 1358 1322 073 101 1943 746 032 036
P citrinum EPSMR1 1299 1318 059 193 165 961 039 037
Plilacinum EPSMS2 148 1438 083 116 251 1096 046 045
Ppurpurogenum EPSML3 1299 1318 059 193 165 961 039 037
Pduclauxi EPASS9 1187 1438 069 13 1108 1178 017 048
Plividum EPMCL12 132 1323 061 107 2252 1024 026 048
Ppurpurogenum EPEHS7 1448 12875 092 107 1543 933 059 041
Prestrictum EPCTS8 1268 1453 068 128 1087 972 031 046
Pthomii EPAER11 1463 1435 077 119 1125 1185 031 071
Ppurpurogenum EPAER14 1448 12875 092 107 1543 933 059 041
Pjavanicum EPSLR13 1463 1435 077 119 1125 1185 031 071
Pasperum EPHAL10 1463 1453 077 128 1125 972 031 046
LSD005 1611 2661 0191 091 8421 271 0171 0291
1 Difference greater than LSD values among means in column are significant at plt005
NS= Natural Soil AS=Amended Soil
80
375 Effect of endophytic Penicillium in inhibition of root diseases and
mungbean growth
A 25 ml five-day-old cell suspension of fourteen isolates of endophytic
Penicillium viz P citrinum Plilacinum Ppurpurogenum (EPSML3) Pnigricans
Pregulosum P decumbens Ppurpurogenum (EPEHS7) P restrictum Pduclauxi
Pasperum Pthomii Plividum Pjavanicum and Ppurpurogenum (EPAER14) were
applied in clay pots filled with 1 Kg soil In similler set endophytic Penicillium were
drench in each pots alongwith 1 cotton cake Seeds of mungbean (Vigna radiata)
were sown Four seedlings were kept in each pot after germination Carbendazim (200
ppm) 25 ml pot considered as positive control
No infection of Foxysporum was found by Plilacinum and Pduclauxi
treatments Significant reduction in infection of Fsolani was seen by all isolates No
infection of Mphaseolina was showed by P citrinum and P restrictum All treatments
showed significant reduction on infection of Rsolani although Pnigricans P
decumbens Pthomii and Pjavanicum showed 0 infection (Table 18)
Application of Endophytic Pasperum caused a significant increase in plant
height Showed significant result in natural soil P citrinum caused significant growth
on Shoot weight Root length showed non-significant result P decumbens showed
greater fresh root weight (Table 19)
81
Table18 Effect of Endophytic Penicillium on the infection of Fusarium solani Foxysporum Rhizoctonia solani and
Macrophomina phaseolina on mung bean roots in green house experiment
Treatments Code Foxysporum Fsolani M phaseolina Rsolani
Infection
Control --------- 50 100 100 50
Carbendazim --------- 25 50 50 62
P decumbens EPAIR6 125 375 187 0
Pnigricans EPSLR4 62 50 125 0
Pregulosum EPAAR5 125 437 312 62
P citrinum EPSMR1 62 437 0 62
Plilacinum EPSMS2 0 50 312 187
Ppurpurogenum EPSML3 25 25 312 25
Pduclauxi EPASS9 0 437 25 62
Plividum EPMCL12 62 25 125 65
Ppurpurogenum EPEHS7 62 375 187 62
Prestrictum EPCTS8 125 437 0 62
Pthomii EPAER11 62 50 125 0
Ppurpurogenum EPAER14 62 375 187 62
Pjavanicum EPSLR13 62 50 125 0
Pasperum EPHAL10 437 25 25 62
LSD005 Treatment=7601 Pathogen=3802
82
Table19 Effect of endophytic Penicillium on the growth of mung bean in green house experiment
Treatments Code Shoot Lenght Shoot Weight Root Length Root weight
(cm) (g) (cm) (g)
Control ---------- 1475 0522 4972 0098
Carbendazim --------- 1635 0987 3737 009
P decumbens EPAIR6 1382 0799 4462 0154
Pnigricans EPSLR4 1088 0794 4467 0101
Pregulosum EPAAR5 1414 0737 391 0087
P citrinum EPSMR1 1344 0987 4617 0137
Plilacinum EPSMS2 1399 0823 4195 0128
Ppurpurogenum EPSML3 1344 0987 4617 0137
Pduclauxi EPASS9 1434 0696 4127 0096
Plividum EPMCL12 1639 0752 4147 0121
Ppurpurogenum EPEHS7 1471 0642 435 0085
Prestrictum EPCTS8 1468 0928 4153 0088
Pthomii EPAER11 1482 0711 3865 0072
Ppurpurogenum EPAER14 1471 0642 435 0085
Pjavanicum EPSLR13 1482 0711 3865 0072
Pasperum EPHAL10 1608 0787 3875 0066
LSD005 2891 0261 0741 0051
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
83
84
376 Effect of endophytic Penicillium in soil amended with neem cake in
inhibition the root diseases and tomato growth
In this experiment 25 ml of five-day-old cell suspension of fourteen isolates of
endophytic Penicillium viz P citrinum Plilacinum Ppurpurogenum (EPSML3)
Pnigricans Pregulosum P decumbens Ppurpurogenum (EPEHS7) P restrictum
Pduclauxi Pasperum Pthomii Plividum Pjavanicum and Ppurpurogenum
(EPAER14) were applied in each pots filled 1 Kg soil In same other set endophytic
Penicillium were applied in each pots alongwith 10g neem cake per pot Three-week-
old four equal sized tomato (Lycopersicon exculentum) seedlings grown in autoclaved
soil were shifted in pots Carbendazim (200 ppm) 25 ml pot considered as positive
control Treatments were replicated four times and data were noticed after 60 days
Application of endophytic P decumbens P citrinum and Pduclauxi and P
restrictum alone affected a complete suppression of Foxysporum infection Whereas
Pduclauxi was found no infection of Foxysporum when used with neem cake (Table
20) Endophytic Penicillium are found effective against Fsolani in both type of soil
When P decumbens and Pduclauxi were used alone Infection of M phaseolina was
significantly reduced In neem cake amended soil untreated control showed no infection
of M phaseolina Difference in R solani infection among plants received different
treatment was non significant in both type of soil natural and amended (Table 20)
Plants grown in natural soil received P decumbens Pnigricans Pduclauxi
Ppurpurogenum (EPAER14) and Pjavanicum fungal culture showed better growth
than untreated control Pasperum with neem cake showed highly significant plant
height of 24cm (Table 21 and Fig18-20)
85
Table20 Effect of endophytic Penicillium and neem cake on the infection of Fusarium solani Foxysporum Rhizoctonia solani and
Macrophomina phaseolina on tomato roots in green house experiment
Infection
Treatments Code Foxysporum
Fsolani
M phaseolina Rsolani
NS AS NS AS NS AS NS AS
Control hellip 437 312 625 625 312 0 312 0
Carbendazim hellip 562 187 312 437 875 187 375 0
P decumbens EPAIR6 0 437 62 562 187 125 75 0
Pnigricans EPSLR4 312 562 187 625 375 312 687 0
Pregulosum EPAAR5 25 562 437 562 312 0 437 62
P citrinum EPSMR1 0 50 62 625 625 62 75 0
Plilacinum EPSMS2 50 437 437 562 375 125 687 62
Ppurpurogenum EPSML3 50 62 437 312 437 125 437 0
Pduclauxi EPASS9 0 0 62 25 187 125 50 62
Plividum EPMCL12 50 437 437 562 375 0 687 62
Ppurpurogenum EPEHS7 62 187 312 25 375 25 375 125
Prestrictum EPCTS8 0 312 187 437 25 187 562 0
Pthomii EPAER11 187 562 312 562 50 312 562 0
Ppurpurogenum EPAER14 62 187 312 25 375 25 375 125
Pjavanicum EPSLR13 312 562 187 625 375 312 687 0
Pasperum EPHAL10 62 312 125 562 25 62 812 0
LSD005 Treatment=5921 Pathogen=2962 Soil Type=2093
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
3Mean values in the NS and AS column showing difference greater than LSD value are significantly different at plt005
NS= Natural Soil AS=Amended Soil
86
Table 21 Effect of endophytic Penicillium and neem cake on the growth of tomato in green house experiment
Treatments Code Shoot Length Shoot Weight Root Length Root weight
(cm) (g) (cm) (g)
NS AS NS AS NS AS NS AS
Control hellip 12 1544 18 407 126 333 155 063
Carbendazim hellip 1318 2362 177 802 943 637 134 156
P decumbens EPAIR6 1672 1131 243 153 1185 666 057 033
Pnigricans EPSLR4 1681 1357 247 201 1082 848 069 033
Pregulosum EPAAR5 1497 1841 211 295 1106 833 05 048
P citrinum EPSMR1 1732 1755 297 389 922 1149 064 056
Plilacinum EPSMS2 132 1303 193 254 1242 529 052 046
Ppurpurogenum EPSML3 128 1087 171 109 1078 612 054 025
Pduclauxi EPASS9 1672 2255 243 636 1185 597 057 11
Plividum EPMCL12 1307 1303 178 254 1242 529 052 046
Ppurpurogenum EPEHS7 1307 1581 178 382 1242 1025 054 094
Prestrictum EPCTS8 1513 1755 191 389 135 1149 046 056
Pthomii EPAER11 1328 1375 214 234 148 466 046 055
Ppurpurogenum EPAER14 1681 1581 178 382 1242 1025 048 094
Pjavanicum EPSLR13 1681 1357 247 201 1082 848 069 033
Pasperum EPHAL10 1328 2412 18 732 1225 775 06 126
LSD005 271 5171 0691 2091 3731 3031 1031 0631
1 Difference greater than LSD values among means in column are significant at plt005
NS= Natural Soil AS=Amended Soil
87
Fig18 Growth promotion by the endophytic Penicillium in tomato
EP
88
377 Effect of endophytic Penicillium in soil amended with cotton cake in
inhibition of root diseases and tomato growth
In this experiment 25 ml of five-day-old cell suspension of fourteen isolates of
endophytic Penicillium viz P citrinum Plilacinum Ppurpurogenum (EPSML3)
Pnigricans Pregulosum P decumbens Ppurpurogenum (EPEHS7) P restrictum
Pduclauxi Pasperum Pthomii Plividum Pjavanicum and Ppurpurogenum
(EPAER14) were applied in each pots filled 1 Kg soil In same other set endophytic
Penicillium were applied in each pots alongwith 10g neem cake per pot Three-week-old
four equal sized tomato (Solanum Lycopersicum) seedlings grown in autoclaved soil
were shifted in pots Carbendazim (200 ppm) 25 ml pot was considered as positive
control Treatments were replicated four times and data were recorded after 60 days
Application of endophytic P decumbens P citrinum Pduclauxi and P
restrictum alone affected a broad inhibition of Foxysporum infection Whereas
Pregulosum was found no infection of Foxysporum when used with cotton cake (Table
22) Endophytic Penicillium are found effective against Fsolani in natural soil In
cotton cake amended soil Pnigricans and Pduclauxi showed significant reduction in
Fsolani infection When P decumbens and Pduclauxi were used alone Infection of M
phaseolina was significantly reduced In cotton cake amended soil Pregulosum P
citrinum Plilacinum Ppurpurogenum (EPSML3) and Plividum showed no infection
of M phaseolina Difference in R solani infection among plants received different
treatment was non-significant in natural soil and in cotton cake amended soil no
infection of Rsolani was found (Table 22)
89
Table 22 Effect of endophytic Penicillium and cotton cake on the infection of Fusarium solani Foxysporum Rhizoctonia solani and
Macrophomina phaseolina on tomato roots in green house experiment
Infection
Treatments Code Foxysporum
Fsolani
M phaseolina Rsolani
NS AS NS AS NS AS NS AS
Control hellip 437 50 625 25 312 62 312 0
Carbendazim hellip 562 437 312 187 875 125 375 0
P decumbens EPAIR6 0 62 62 562 1875 187 75 0
Pnigricans EPSLR4 312 62 187 187 375 62 687 0
Pregulosum EPAAR5 25 0 437 437 312 0 437 0
P citrinum EPSMR1 0 62 62 562 625 0 75 0
Plilacinum EPSMS2 50 187 437 375 375 0 687 0
Ppurpurogenum EPSML3 50 187 437 62 437 0 437 0
Pduclauxi EPASS9 0 562 62 562 187 25 50 0
Plividum EPMCL12 50 187 437 375 375 0 687 0
Ppurpurogenum EPEHS7 62 125 312 437 375 125 375 0
Prestrictum EPCTS8 0 625 187 312 25 62 562 0
Pthomii EPAER11 187 312 312 25 50 125 562 0
Ppurpurogenum EPAER14 62 125 312 437 375 125 375 0
Pjavanicum EPSLR13 312 62 187 187 375 62 687 0
Pasperum EPHAL10 62 125 125 50 25 62 812 0
LSD005 Treatment=5691 Pathogen=2842 Soil Type=2013
1Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
3Mean values in the NS and AS column showing difference greater than LSD value are significantly different at plt005
NS= Natural Soil AS=Amended Soil
90
Plants grown in natural soil received P decumbens Pnigricans Pduclauxi
Ppurpurogenum (EPAER14) and Pjavanicum fungal culture showed better growth
than untreated control P restrictum with cotton cake showed highly significant plant
height Pnigricans and Pjavanicum showed greater fresh shoot weight in amended
soil Root length in both type of soil was non-significant Whereas fresh root weight
was non-significant in natural soil In cotton cake amended soil Pduclauxi showed
significant fresh root weight (Table 23 and Fig21)
378 Effect of endophytic Penicillium with neem cake in inhibition of root
diseases and chickpea growth
Fourteen isolates of endophytic Penicillium viz P citrinum Plilacinum
Ppurpurogenum (EPSML3) Pnigricans Pregulosum Pdecumbens Ppurpurogenum
(EPEHS7) P restrictum Pduclauxi Pasperum Pthomii Plividum Pjavanicum and
Ppurpurogenum (EPAER14) caused suppression of four root rotting fungi in vitro A
25ml cell suspension of five-day-old culture of fungal isolates were drench in each pots
filled with 1kg soil Carbendazim considered as positive control against root rotting
fungi Combine use of endophytic Penicillium and 1 Neem cake were drenched in
another same set Chickpea (Cicer arietinum) seeds were sown in pots (6 seeds per pot)
After one week four seedlings were kept in each pots and extra were detached
Treatments were replicated four times and watered daily Data were recorded after six
weeks
91
Table23 Effect of endophytic Penicillium and cotton cake on the growth of tomato in green house experiment
Treatments Code
Shoot
Length
Shoot
Length
Shoot
Weight
Shoot
Weight
Root
Length
Root
Length
Root
weight
Root
weight
(cm) (cm) (g) (g) (cm) (cm) (g) (g)
NS AS NS AS NS AS NS AS
Control hellip 12 1633 18 554 126 1757 155 105
Carbendazim hellip 1318 2232 177 666 943 2285 134 163
P decumbens EPAIR6 1672 205 243 539 1185 1225 057 125
Pnigricans EPSLR4 1681 225 247 83 1082 15 069 183
Pregulosum EPAAR5 1497 1978 211 548 1106 1046 05 153
P citrinum EPSMR1 1732 1912 297 512 922 9 064 155
Plilacinum EPSMS2 132 2347 193 741 1242 1298 052 156
Ppurpurogenum EPSML3 128 1725 171 465 1078 925 054 061
Pduclauxi EPASS9 1672 214 243 69 1185 153 057 237
Plividum EPMCL12 1307 2347 178 741 1242 1298 052 156
Ppurpurogenum EPEHS7 1307 2068 178 612 1242 1131 054 108
Prestrictum EPCTS8 1513 2467 191 828 135 1817 046 225
Pthomii EPAER11 1328 225 214 657 148 155 046 164
Ppurpurogenum EPAER14 1681 2068 178 612 1242 1131 048 108
Pjavanicum EPSLR13 1681 225 247 83 1082 15 069 183
Pasperum EPHAL10 1328 2101 18 525 1225 1095 06 135
LSD005 271 4291 0691 3281 3731 5851 1031 091
1 Difference greater than LSD values among means in column are significant at plt005
92
Fig 21 Growth promotion by the endophytic Penicillium in soil amended with cotton
cake in tomato
EP
93
Plants grown in pots received endophytic Penicillium isolates Ppurpurogenum
(EPSML3) and Pthomii in natural soil and in amended soil with neem cake P
decumbens Pnigricans Ppurpurogenum (EPSML3) Ppurpurogenum (EPEHS7)
Pjavanicum and Ppurpurogenum (EPAER14) showed no infection of F oxysporumIn
unamended soil Fsolani was found significantly reduced except isolate Pasperum
Whereas in amended soil infection of Fsolani was non significant In unamended soil
Mphaseolina was found significantly reduced Combine effect of isolates
Ppurpurogenum (EPSML3) Ppurpurogenum (EPEHS7) Ppurpurogenum (EPAER14)
and neem cake showed significant result on Mphaseolina infection Application of
Pregulosum P decumbens P restrictum Pduclauxi Pasperum and Pthomii showed
no infection of Rsolani in natural soil Amended soil with neem cake showed no
infection of Rsolani (Table 24)
Greater plant height was produced by P decumbens Pnigricans Pregulosum
and Pduclauxi when applied in natural soil Effect of P restrictum and P citrinum with
neem cake showed highest plant height Untreated control of amended soil showed
highest value of fresh shoot weight and fresh root weight related to other treatments
whereas fresh shoot weight in natural soil showed significant result in all treatments
except Pthomii P decumbens and Pduclauxi alone showed highest root length and
fresh root weight In amended soil Ppurpurogenum (EPAER14) showed significant
root length (Table 25 and Fig22-27)
94
Table24 Effect of endophytic Penicillium and neem cake on the infection of Fusarium solani Foxysporum Rhizoctonia solani and
Macrophomina phaseolina on chickpea roots in green house experiment
Infection
Treatments Code Foxysporum
Fsolani
M phaseolina Rsolani
NS AS NS AS NS AS NS AS
Control hellip 375 0 50 125 437 375 25 0
Carbendazim hellip 0 0 25 25 312 375 125 0
P decumbens EPAIR6 187 0 125 312 375 687 0 0
Pnigricans EPSLR4 125 0 312 437 375 562 375 0
Pregulosum EPAAR5 62 62 187 437 375 50 0 0
P citrinum EPSMR1 312 187 187 312 375 50 187 0
Plilacinum EPSMS2 62 62 437 125 62 625 25 0
Ppurpurogenum EPSML3 0 0 375 25 62 312 62 0
Pduclauxi EPASS9 187 375 125 25 375 50 0 0
Plividum EPMCL12 62 62 437 125 62 625 25 0
Ppurpurogenum EPEHS7 187 0 25 375 125 312 62 0
Prestrictum EPCTS8 375 375 25 25 125 50 0 0
Pthomii EPAER11 0 187 437 187 62 25 0 0
Ppurpurogenum EPAER14 187 0 25 375 125 312 62 0
Pjavanicum EPSLR13 312 0 187 43 312 562 375 0
Pasperum EPHAL10 125 62 50 125 125 812 0 0
LSD005 Treatment=4901 Pathogen=2452 Soil Type=1733
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
3Mean values in the NS and AS column showing difference greater than LSD value are significantly different at plt005
NS= Natural Soil AS=Amended Soil
95
Table25 Effect of endophytic Penicillium and neem cake on the growth of chickpea in green house experiment
Treatments Code Shoot Length Shoot Weight Root Length Root weight
(cm) (g) (cm) (g)
NS AS NS AS NS AS NS AS
Control hellip 2369 2225 274 837 274 975 211 303
Carbendazim hellip 239 2975 32 821 2187 1537 376 235
P decumbens EPAIR6 2925 2911 376 388 3037 1293 522 116
Pnigricans EPSLR4 293 3357 339 661 2331 1391 376 12
Pregulosum EPAAR5 2928 3315 332 633 2296 9 387 117
P citrinum EPSMR1 267 3384 313 668 2397 975 394 098
Plilacinum EPSMS2 2768 2801 31 698 2155 1132 35 109
Ppurpurogenum EPSML3 2587 3332 3075 738 267 137 432 141
Pduclauxi EPASS9 2925 2911 376 388 3037 1293 522 116
Plividum EPMCL12 2768 2801 31 698 2155 1132 35 109
Ppurpurogenum EPEHS7 2698 3077 326 506 2202 1565 413 139
Prestrictum EPCTS8 2667 3384 3205 668 2735 975 351 098
Pthomii EPAER11 239 30 296 799 2416 1062 427 125
Ppurpurogenum EPAER14 2698 3077 326 506 2202 1565 413 139
Pjavanicum EPSLR13 2618 3357 341 661 2587 1391 438 12
Pasperum EPHAL10 2856 2891 344 763 1921 1352 306 13
LSD005 471 4931 0941 3331 7321 5451 1611 11071
1 Difference greater than LSD values among means in column are significant at plt005
NS= Natural Soil AS=Amended Soil
96
Fig22 Growth promotion by the endophytic Penicillium in chickpea
Fig23 Growth promotion by the endophytic Penicillium in chickpea
EP
S
EP
97
Fig24 Growth promotion by the endophytic Penicillium in chickpea
EP
EP
98
Fig25 Growth promotion by the endophytic Penicillium in soil amended with neem cake
in chickpea
Fig 26 Growth promotion by the endophytic Penicillium in soil amended with neem cake
in chickpea
EP
EP
99
Fig27 Growth promotion by the endophytic Penicillium in soil amended with neem cake
in chickpea
379 Effect of endophytic Penicillium with mustard cake in suppressing the root
diseases and growth of chickpea
Fourteen isolates of endophytic Penicillium viz P citrinum Plilacinum
Ppurpurogenum (EPSML3) Pnigricans Pregulosum P decumbens Ppurpurogenum
(EPEHS7) P restrictum Pduclauxi Pasperum Pthomii Plividum Pjavanicum and
Ppurpurogenum (EPAER14) caused suppression of four root rotting fungi in vitro A
25ml cell suspension of five-day-old culture of fungal isolates were drench in each pots
filled with 1kg soil Carbendazim considered as positive control against root rotting
fungi Combine use of endophytic Penicillium and 1 mustared cake were drenched in
another same set Chickpea (Cicer arietinum) seeds were sown in pots (6 seeds per pot)
After one week four seedlings were kept in each pots and extra were detached
Treatments were replicated four times and watered daily Data were recorded after six
weeks
Root rot fungi infection was less in amended soil as compared to unamended
soil No infection of Foxysporum was found in Ppurpurogenum (EPSML3) and
Pthomii in unamended soil P citrinum Ppurpurogenum (EPSML3) Pnigricans
Pregulosum P decumbens Ppurpurogenum (EPEHS7) Pduclauxi Pjavanicum and
Ppurpurogenum (EPAER14) with mustard cake amendment showed complete
suppression of Foxysporum P decumbens and Ppurpurogenum (EPSML3) in
amended soil showed less infection of Fsolani while Plividum showed 100 infection
of Fsolani in amended soil Infection of M phaseolina in unamended soil was
significant whereas in amended soil untreated control showed no infection of M
phaseolina Treatment of Pthomii and Ppurpurogenum (EPAER14) in mustard cake
amended soil showed less infection of R solani while P citrinum Pnigricans
Pregulosum Pduclauxi Pjavanicum and Plividum showed non-significant result
(Table 26)
100
Natural soil showed greater plant height as compared to mustard cake amended
soil Pnigricans showed greater plant length as compared to other treatments In
amended soil plant height was non-significant statisticaly (Table 27)
101
Table 26 Effect of endophytic Penicillium and mustard cake on the infection of Fusarium solani Foxysporum Rhizoctonia solani and
Macrophomina phaseolina on chickpea roots in green house experiment
Infection
Treatments Code Foxysporum Fsolani M phaseolina Rsolani
NS AS NS AS NS AS NS AS
Control hellip 375 125 50 312 437 0 25 187
Carbendazim hellip 0 125 25 437 312 62 125 125
P decumbens EPAIR6 187 0 125 62 375 0 0 0
Pnigricans EPSLR4 125 0 312 437 375 187 375 437
Pregulosum EPAAR5 62 0 187 312 375 187 0 25
P citrinum EPSMR1 312 0 187 625 375 187 187 312
Plilacinum EPSMS2 62 62 437 50 62 25 25 125
Ppurpurogenum EPSML3 0 0 375 6 62 0 62 125
Pduclauxi EPASS9 187 0 125 625 375 62 0 312
Plividum EPMCL12 62 62 437 100 62 25 25 312
Ppurpurogenum EPEHS7 187 0 25 187 125 0 62 125
Prestrictum EPCTS8 375 62 25 125 125 125 0 62
Pthomii EPAER11 0 62 437 125 62 62 0 62
Ppurpurogenum EPAER14 187 0 25 187 125 125 62 125
Pjavanicum EPSLR13 312 0 187 312 31 187 375 437
Pasperum EPHAL10 125 0 50 187 125 0 0 0
LSD005 Treatment=4461 Pathogen=2232 Soil Type=1583
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
3Mean values in the NS and AS column showing difference greater than LSD value are significantly different at plt005
NS= Natural Soil AS=Amended Soil
102
Table 27 Effect of endophytic Penicillium and mustard cake on the growth of chickpea in green house experiment
Treatments Code Shoot Length Shoot Weight Root Length Root weight
(cm) (g) (cm) (g)
NS AS NS AS NS AS NS AS
Control hellip 2369 2188 274 406 274 692 211 58
Carbendazim hellip 239 2134 32 42 2187 937 376 499
P decumbens EPAIR6 2925 1525 376 288 3037 75 522 53
Pnigricans EPSLR4 293 1955 339 476 2331 758 376 137
Pregulosum EPAAR5 2928 1907 332 633 2296 875 387 1238
P citrinum EPSMR1 267 1916 313 556 2397 756 394 1172
Plilacinum EPSMS2 2768 1929 31 417 2155 946 35 383
Ppurpurogenum EPSML3 2587 12 3075 241 267 65 432 532
Pduclauxi EPASS9 2925 192 376 561 3037 1115 522 819
Plividum EPMCL12 2768 1929 31 417 2155 946 35 383
Ppurpurogenum EPEHS7 2698 1787 326 55 2202 925 413 734
Prestrictum EPCTS8 2667 185 3205 315 2735 45 351 099
Pthomii EPAER11 239 2305 296 626 2416 9 427 931
Ppurpurogenum EPAER14 2698 1787 326 55 2202 925 413 739
Pjavanicum EPSLR13 2618 2305 341 626 2587 9 438 931
Pasperum EPHAL10 2856 1662 344 582 1921 925 306 834
LSD005 471 6131 0941 3011 7321 2921 1611 6151
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
NS=NaturalSoilAS=AmendedSoil
103
3710 Effect of endophytic Penicillium and fungicides in inhibition of root infection
and sunflower growth
Four isolates of endophytic Penicillium viz P citrinum (EPSMR1) Pnigricans
(EPSLR4) P decumbens (EPAIR6) and Pasperum (EPHAL10) caused suppression of
four root rotting fungi in vitro and revealed significant growth in in vivo were selected to
evaluate the combine effect with three different fungicides (Feast-M Carbendazim and
Topsin-M) A 25ml five-day-old cell suspension of fungal isolates were applied in pots
filled with 1kg soil In same other set pots were also applied combine application of
endophytic Penicillium and fungicides Each fungicide were also drench 25ml of 200ppm
in each pot Sunflower (Helianthus annuus) seeds were sown in pot (6 seeds per pot)
After one week four seedlings were kept in pots and extra were detached Treatments were
replicated four times and watered according to requirement Data were recorded after six
weeks
All three fungicides alone showed no infection of F oxysporum Plants grown in pots
received endophytic Penicillium isolate P decumbens and Pasperum with Feast-M showed
no infection of infection of F oxysporum Plants grown in pots received endophytic
Penicillium isolate Pnigricans with carbendazim and Pnigricans and P citrinum with
Topsin-M showed complete suppression of infection of F oxysporum All treatments
showed less infection of Fsolani as compared to control All treatments showed less
infection of Mphaseolina as compared to untreated control except P citrinum Pnigricans
alone and P decumbens Pasperum combine with Topsin-M showed 100 Mphaseolina
infection on sunflower roots Combine effect of Pasperum with Topsin-M and P citrinum
alone showed no infection of Rsolani Feast-M+ Pasperum and carbendazim showed no
difference from untreated control (Table 28)
Greater plant height was produced by carbendazim+ Pnigricans However greater
fresh shoot weight was produced by Feast-M alone (Table 29)
104
Table 28 Effect of endophytic Penicillium and fungicides on the infection of Fusarium solani Foxysporum Rhizoctonia solani and
Macrophomina phaseolina on sunflower roots in green house experiment
Infection
Treatments Foxysporum Fsolani M phaseolina Rsolani
Control 75 100 100 75
Feast-M 0 37 687 625
Feast-M+ P citrinum 62 75 625 687
Feast-M+ Pnigricans 187 812 687 687
Feast-M+ P decumbens 0 312 50 625
Feast-M+ Pasperum 0 50 81 75
Carbendazim 0 812 75 75
Carbendazim+P citrinum 62 562 87 687
Carbendazim+ Pnigricans 0 75 625 187
Carbendazim+P decumbens 62 812 812 687
Carbendazim+ Pasperum 187 562 75 312
Topsin-M 0 437 812 62
Topsin-M+ P citrinum 0 812 437 125
Topsin-M+ Pnigricans 0 75 312 437
Topsin-M+P decumbens 687 687 100 25
Topsin-M+ Pasperum 875 25 100 0
P citrinum 437 687 100 0
Pnigricans 125 812 100 62
P decumbens 187 50 437 187
Pasperum 125 50 562 125
LSD005 Treatment=11271 Pathogen=5042
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
105
Table 29 Effect of endophytic Penicillium and fungicides on the growth of sunflower in green house experiment
Treatments ShootLength ShootWeight Root Length Root weight
Control 3197 339 288 288
Feast-M 4269 451 526 526
Feast-M+ P citrinum 4024 367 434 434
Feast-M+ Pnigricans 4008 347 381 381
Feast-M+ P decumbens 4137 348 513 513
Feast-M+ Pasperum 3685 341 492 492
Carbendazim 3675 319 398 398
Carbendazim+ P citrinum 3933 326 464 464
Carbendazim+ Pnigricans 394 323 466 466
Carbendazim+ P decumbens 3807 315 527 527
Carbendazim+ Pasperum 3729 259 47 47
Topsin-M 3935 314 383 383
Topsin-M+ P citrinum 3353 264 388 388
Topsin-M+ Pnigricans 3386 299 427 427
Topsin-M+ P decumbens 337 229 409 409
Topsin-M+ Pasperum 3249 264 433 433
P citrinum 3268 249 432 432
Pnigricans 2788 201 401 401
P decumbens 3421 3007 446 446
Pasperum 3262 229 363 363
LSD005 5751 0811 1041 1041
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
106
3711 Effect of endophytic Penicillium on okra growth
In this experiment six seeds of okra (Abelmoschus esculentus) were sown in
earthen pots filled with 5 kg garden soil and watered watered daily to gained the 50
WHC (Keen and Raczkowiski 1921) P nigricans (EPSLR4) P rugulosum (EPAAR5)
and P decumbens (EPAIR6) (8x107 cfumL) used as soil drench in each pot and four
seedlings were kept after germination Treatments were replicated four times in screen
house Carbendazim was considered as a positive control and data were recorded after 90
days of germination
Treatments showed significant (Plt005) reduction of F solani and R solani
related to control (Table 30)
Application of P rugulosum resulted maximum plant height highest shoot weight
and root length while maximum root weight produced due to the treatment of carbendazim
and P decumbens Maximum number of fruits produced by Pnigricans and P decumbens
resulted highest fresh fruit weight(Table 31)
Highest polyphenol content resulted by Pnigricans and highest antioxidant activity
determined due to the drenching of Pnigricans after 1 minute and after 30 minute
Application of P rugulosum resulted maximum production of salicylic acid (Table 31)
Application of antagonist showed significant outcome on okra fruits Highest pH
showed by Pnigricans Application of P decumbens resulted highest tritable acidity value
then in Pnigricans and P rugulosum (Table 33) Application of carbendazim resulted
highest moisture content then in P rugulosum in fruits Maximum protein resulted by P
rugulosum then in P decumbens while highest carbohydrate caused by P decumbens
then in Pnigricans All the treatments showed significant (Plt005) Increased polyphenol
content showed by all treatments as compared to control (Table 34) P decumbens
resulted highest polyphenol followed by P rugulosum as compared to untreated plants P
rugulosum resulted significant improve in antioxidant potentail(Fig28)
107
Table30 Effect of endophytic Penicillium as soil drench on the infection of Macrophomina phaseolina Rhizoctonia solani Fusarium
solani and F oxysporum in garden soil
Infection
Treatments Foxysporum Fsolani M phaseolina Rsolani
Control 0 50 625 50
Carbendazim 0 125 100 312
P decumbens 0 0 625 312
Pnigricans 0 62 50 125
P rugulosum 0 187 562 25
LSD005 Treatment=14321 Pathogen=12802
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
108
Table31 Effect of endophytic Penicillium as soil drench on growth of okra plants in garden soil
Treatments Shoot Length Shoot Weight Root Length Root Weight Number of
Fruits Fruit weight
(cm) (g) (cm) (g)
Control 3831 1058 1596 305 023c 708c
Carbendazim 3421 832 1659 546 045b 683c
P decumbens 4523 1167 1756 438 052a 1106a
Pnigricans 4265 1172 1794 188 054a 894b
P rugulosum 4592 1295 1967 2405 025c 533d
LSD005 511 4281 3431 581 00261 04841
1 Difference greater than LSD values among means in column are significant at plt005
109
Table32 Effect of endophytic Penicillium as soil drench on polyphenol salicylic acid and antioxidant activity of okra plants in garden
soil
Treatments Polyphenol Antioxidant () Salicylic Acid
microgml After 1 minute After 30 minutes microgml
Control 137e 2711e 2878e 0053d
Carbendazim 172d 4608d 4908d 0048e
P decumbens 308c 4974c 5256c 0093c
Pnigricans 424a 5744a 6229a 0116b
P rugulosum 364b 5393b 5859b 0161a
LSD005 00311 01361 04211 00041
1 Difference greater than LSD values among means in column are significant at plt005
110
Table33 Effect of endophytic Penicillium as soil drench on biochemical parameters of ok ra fruits
Treatments pH Tritable acidity Moisture content Total solids Total Soluble Solid
Sucrose
Control 587c 0087c 8668d 1353b 245d
Carbendazim 585c 013b 9175a 803e 257c
P decumbens 59c 0194a 8434e 1559a 31a
Pnigricans 629a 0128b 8715c 1287c 28b
P rugulosum 605b 0128b 8808b 1185d 317a
LSD005 0121 000571 0211 01031 0121
1 Difference greater than LSD values among means in column are significant at plt005
111
Table 34 Effect of endophytic Penicillium as soil drench on polyphenol antioxidant activity protein and carbohydrates of okra fruits
in garden soil
Treatments Antioxidant Polyphenol Protein Carbohydrates
microgml microgml microgml
Control 2647e 665e 13e 69d
Carbendazim 3575d 734d 27d 86c
P decumbens 4906c 1613a 5263b 1033a
Pnigricans 5115b 96c 39c 99b
P rugulosum 5631a 122b 5566a 9833b
LSD005 10591 01441 21941 3711
1 Difference greater than LSD values among means in column are significant at plt005
112
3712 Effect of endophytic Penicillium on the growth root rotting fungi and
induction of systemic resistance in tomato
Filled earthen pots with 5 kg of soil and watered according to requirement to
maintain 50 WHC (Keen and Raczkowiski 1921) P nigricans (EPSLR4) P
rugulosum (EPAAR5) and P decumbens (EPAIR6) (8x107 cfumL) used as soil drench
Four equal sized seedlings of tomato were transfered in pots Treatments were four time
replicated Carbendazim was considered as a positive control and data were recorded
after 90 days
Most of the treatment showed significant (Plt005) results of R solani F solani
and M phaseolina as relation to control plants (Table 35)
Application of Pnigricans showed highest plant height shoot weight by P
decumbens Maximum number of fruits produced by Pnigricans and P decumbens
resulted highest fresh fruit weight(Table 36)
P rugulosum showed improved polyphenol as compare to control plants
Highest antioxidant activity resulted by P decumbens and carbendazim after 1 minute
and after 30 minute P rugulosum showed highest antioxidant activity Application of
Pnigricans and P decumbens resulted maximum production of salicylic acid (Table
37)
Application of endophytic Penicillium showed significant effect on tomato
fruits Highest pH noticed when soil treated with Pnigricans and P decumbens
Maximun tritable acidity produced by P decumbens (Table 38) Highest protein
produced by P rugulosum then in P decumbens while carbohydrate resulted by
Pnigricans followed by P decumbens All the treatments showed increase polyphenol
content as compare to control (Table 39) Pnigricans showed significant enhancment in
antioxidant activity related to control
113
Table35 Effect of endophytic Penicillium as soil drench on the infection of Macrophomina phaseolina Rhizoctonia solani Fusarium
solani and F oxysporum in garden soil
Infection
Treatments Foxysporum Fsolani M phaseolina Rsolani
Control 312 100 937 562
Carbendazim 187 125 625 0
P decumbens 437 62 312 0
Pnigricans 312 0 187 25
P rugulosum 187 0 187 312
LSD005 Treatment1=1455 Pathogen2=1302
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
114
Table36 Effect of endophytic Penicillium as soil drench on growth of tomato plants in garden soil
Treatments Shoot Length Shoot Weight Root Length Root Weight Number of Fruits Fruit weight
(cm) (g) (cm) (g)
Control 52 1974 1816 35 30a 5801b
Carbendazim 4646 1322 1629 237 20c 4083a
P decumbens 443 2161 1283 418 2133c 995a
Pnigricans 55 1892 1561 315 32a 4286d
P rugulosum 5197 1695 1205 334 256b 4779c
LSD005 1481 18611 5391 4011 3781 0131
1 Difference greater than LSD values among means in column are significant at plt005
115
Table 37 Effect of endophytic Penicillium as soil drench on polyphenol salicylic acid and antioxidant activity of tomato plants in
garden soil
Treatments Polyphenol Antioxidant () Salicylic Acid
microgml After 1 minute After 30 minutes microgml
Control 090a 40a 139a 014a
Carbendazim 019a 49a 127a 018a
P decumbens 0076a 44a 131a 019a
Pnigricans 0076a 33a 103a 019a
P rugulosum 0108a 33a 292a 017a
LSD005 01081 01671 0301 00791
1 Difference greater than LSD values among means in column are significant at plt005
116
Table 38 Effect of endophytic Penicillium as soil drench on biochemical parameters of tomato fruits
Treatments pH Tritable acidity Firmness Total Soluble Solid
N Sucrose
Control 411c 023c 34a 323c
Carbendazim 418b 027bc 143b 806a
P decumbens 43a 034a 076b 676ab
Pnigricans 43a 030ab 126bc 613b
P rugulosum 418b 030ab 086bc 686ab
LSD005 00621 00541 0211 1311
1 Difference greater than LSD values among means in column are significant at plt005
117
Table 39 Effect of endophytic Penicillium as soil drench on polyphenol antioxidant activity protein and carbohydrates of tomato
fruits in garden soil
Treatments Antioxidant Polyphenol Protein Carbohydrates
microgml microgml microgml
Control 1966c 573e 16d 63a
Carbendazim 333b 756d 28c 78a
P decumbens 503a 1853a 51a 104a
Pnigricans 52a 1026c 41b 97a
P rugulosum 496a 125b 52a 96a
LSD005 5591 0471 5771 2391
1 Difference greater than LSD values among means in column are significant at plt005
118
38 FIELD EXPERIMENTS
381 Effect of Pseudomonas monteilii and endophytic Penicillium on okra growth in
field condition
The experiment carried out in 2 times 2 meter field and replicated four times Cell
suspension of endophytic Penicillium (8x107 cfumL) were drench at 200-ml per meter row
alone and in combination with Pseudomonas monteilii 20 seeds of okra were seeded in
rows Topsin-M at 200 ppm were also used alone as a positive control On the basis upon
the requirement plants were watered with difference of 2-3 days The field had infestation
of 2080 cfug of soil of a diverse population of F solani and F oxysporum 10-22
sclerotia of M phaseolina g of soil and 8-17 colonization of R solani on sorghum
seeds used as baits naturally To evaluate the potential of Pseudomonas monteilii and
endophytic Penicillium plants were harvested (form each row 4 plants took) after 45 and
90 days of germination Incidence of root rotting fungi plant physical parameters and
resistance biomarkers were recorded
Significant (Plt005) inhibition of F oxysporum showed by most of treatments as
compere to control except P rugulosum P decumbens + Pseudomonas monteilii and
Topsin-M after 45 days (Table 40) Maximum reduction of Fsolani were observed in
plants treated with Pseudomonas monteilii and Pnigricans + Pseudomonas monteilii after
45 days While maximum reduction of M phaseolina observed in application of P
rugulosum+ Pseudomonas monteilii after 45 days Application of P rugulosum+
Pseudomonas monteilii and Pnigricans showed maximum reduction of Rsolani after 45
days
Highest length of shoot and weight of shoot were observed in plants Maximum
plant hieght were observed after 45 and 90 days intervals with mixed application of
Pnigricans with Pseudomonas monteilii Highest weight of shoot were also observed in
combine application of Pnigricans with Pseudomonas monteilii after 45 and 90 days
while application of Pseudomonas monteilii resulted maximum length of root after 45
days Significant increase in root length produced after 90 days from combine application
of Pnigricans with Pseudomonas monteilii Highest root weight resulted from combine
119
application of Pnigricans with Pseudomonas monteilii after 45 and 90 days Combine
application of P decumbens with Pseudomonas monteilii resulted highest number and
weight of fruits produced after 90 days (Table 41)
After 45 days most of the treatments shown significantly high phenols except
Topsin-M Most of the treatments shown maximum antioxidant activity significantly
except P rugulosum after 1 minute whereas maximum antioxidant activity showed by
Pseudomonas monteilii after 30 minutes P decumbens showed maximum production of
salicylic acid after 45 days (Table 42)
All the treatment showed significant effect on phenolic content except Topsin-M
and P decumbens whereas all the treatment showed significant effect on antioxidant
activity except Topsin-M and P decumbens with Pseudomonas monteilii after 1 and 30
minutes after 90 days Maximum production of salicylic acid showed in combine treatment
of Pnigricans with Pseudomonas monteilii after 90 days (Table 43)
In this experiment combine application of Pseudomonas monteilii and endophytic
Penicillium showed significant increase in physiobiochemical of okra fruits Combine
activity of Pnigricans + Pseudomonas monteilii resulted highest antioxidant activity in
fruits followed by Pseudomonas monteilii alone Highest polyphenol content resulted due
to the application of Pseudomonas monteilii followed by combine application of P
rugulosum with Pseudomonas monteilii Protein were showed maximum in combine
application of P decumbens with Pseudomonas monteilii and Pseudomonas monteilii
alone (Table 44) On the other side carbohydrate content observed highest in combine
application of P rugulosum with Pseudomonas monteilii Application of Pseudomonas
monteilii resulted maximum of total solids whereas combination of P rugulosum with
Pseudomonas monteilii produced highest of moisture Significant increase in pH showed
by Topsin-M followed by combination of Pnigricans with Pseudomonas monteilii and
maximum tritable acidity was showed by P decumbens (Table 45)
120
Table 40 Effect of Pseudomonas monteilii and endophytic Penicillium as soil drench on the infection of M phaseolina Rsolani F
solani and F oxysporum in soil under field condition
Infection
Treatments Foxysporum Fsolani M phaseolina Rsolani
45 90 45 90 45 90 45 90
Control 375 0 562 312 937 100 562 0
Topsin-M 375 0 625 25 937 100 687 0
Pseudomonas monteilii 25 62 25 312 875 100 625 0
P decumbens 62 0 50 375 68 100 375 0
Pnigricans 125 187 562 687 875 100 312 0
P rugulosum 312 62 562 375 812 100 437 0
P rugulosum + Pseudomonas monteilii 187 12 312 50 625 937 312 0
P decumbens + Pseudomonas monteilii 312 62 437 25 812 687 562 0
Pnigricans + Pseudomonas monteilii 62 125 25 375 687 625 75 0
LSD005 Treatments1= 8931 Pathogens2=5952 Treatments1=13341 Pathogens2=8 892
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
121
Table 41 Effect of Pseudomonas monteilii and endophytic Penicillium as soil drench on growth of okra plants under the field
condition
Treatments Shoot Length
(cm)
Shoot Weight
(g)
Root Length
(cm)
Root Weight
(g)
Number
of Fruits
Fruit
weight
Control 45 90 45 90 45 90 45 90 90 90
Topsin-M 4178 6192 2228 4325 1368 2426 204 823 086g 246i
Pmontelii 422 6375 1765 4731 1267 2377 133 98 12f 31h
Penicillium decumbens 477 6861 2271 507 1839 2684 255 1056 246b 456d
P nigricans 4233 6617 1971 4887 1486 2578 167 1003 143e 1146a
Prugulosum 4866 7083 1635 5095 1378 2311 172 967 176d 331g
P rugulosum 4373 7026 2063 2051 1371 2464 169 709 123f 35f
P rugulosum + P monteilii 5768 8658 3164 5518 1167 3008 207 1208 143e 42e
P decumbens + P monteilii 5553 9499 1867 5897 1409 2938 187 1217 277a 661b
Pnigricans + P monteilii 5907 9867 4043 6095 14 3188 296 1923 22c 623c
LSD005 961 1321 131 1181 3551 1371 0831 2961 0111 0111
1 Difference greater than LSD values among means in column are significant at plt005
122
Table 42 Effect of Pseudomonas monteilii and endophytic Penicillium as soil drench on polyphenol salicylic acid and antioxidant
activity of okra plants in soil under field condition after 45 days
Treatments
Polyphenol
microgml
Antioxidant () Salicylic Acid
microgml After 1 minute After 30 minutes
Control 183h 7314e 7721e 007f
Topsin-M 146i 9119a 9886a 0113d
Pseudomonas monteilii 321f 784d 8466d 0144c
P decumbens 245g 6639g 6858g 0168a
Pnigricans 573c 8044c 8852c 0084e
P rugulosum 474d 7074f 7643f 0154bc
P rugulosum + P monteilii 336e 5045i 6038h 0105d
P decumbens + P monteilii 713b 5186h 5779i 0086e
Pnigricans + P monteilii 773a 8356b 8992b 0165ab
LSD005 00721 10191 06531 00121
1 Difference greater than LSD values among means in column are significant at plt005
2 Difference greater than LSD values among means in row are significant at plt005
123
Table 43 Effect of Pseudomonas monteilii and endophytic Penicillium as soil drench on polyphenol salicylic acid and antioxidant
activity of okra plants in soil under the field condition after 90 days
Treatments Polyphenol
microgml
Antioxidant () Salicylic Acid
microgml After 1 minute After 30 minutes
Control 25def 6656e 7135f 0038g
Topsin-M 183f 4922f 5575g 0074bc
Pseudomonas monteilii 326cde 8345a 8885a 0052e
P decumbens 226ef 7804b 8539b 0072c
Pnigricans 52b 7726c 8233c 0066d
P rugulosum 41c 7165d 7851d 0042f
P rugulosum + P monteilii 343cd 7744c 8241c 0066d
P decumbens + P monteilii 683a 3254g 4917h 0077b
Pnigricans + P monteilii 74a 6852e 7604e 0105a
LSD005 10061 05191 04731 0003081
1 Difference greater than LSD values among means in column are significant at plt005
124
Table44 Effect of Pseudomonas monteilii and endophytic Penicillium as soil drench on polyphenol antioxidant activity protein and
carbohydrates of okra fruits in soil under field condition
Treatments Antioxidant Polyphenol Protein Carbohydrate
microgml microgml microgml
Control 5102g 646g 1466g 5966f
Topsin-M 5514f 716f 2566f 67e
Pseudomonas monteilii 6662b 136a 6766a 126a
P decumbens 5933d 976d 56d 101b
Pnigricans 5838d 816e 43e 92d
P rugulosum 6521c 114c 59c 96c
P rugulosum + P monteilii 5659e 124b 66b 102b
P decumbens + P monteilii 6616bc 11c 6766a 100b
Pnigricans + P monteilii 6909a 86e 56d 97c
LSD005 10451 06241 14081 2471
1 Difference greater than LSD values among means in column are significant at plt005
125
Table 45 Effect of Pseudomonas monteilii and endophytic Penicillium as soil drench on
biochemical parameters of okra fruits under field condition
Treatments pH
Tritable
acidity
Moisture
content
Total
solids
Total Soluble
Solid
Sucrose
Control 624a 0102c 8774b 1222f 1425e
Topsin-M 619ab 0126b 8653e 1339b 1475e
Pseudomonas monteilii 615b 0124b 8458f 1522a 2975d
P decumbens 606d 0185a 8632e 1355b 3125cd
Pnigricans 613bc 0127b 8752bcd 1249de 33bc
P rugulosum 607cd 0124b 8735cd 1256d 302d
P rugulosum + P monteilii 606d 0123b 8842a 117g 375a
P decumbens + Pmonteilii 603d 0122b 876bc 1233ef 342b
Pnigricans + P monteilii 616b 0125b 8723d 128c 305d
LSD005 00641 00041 03021 0171 02221
1 Difference greater than LSD values among means in column are significant at plt005
126
127
128
4 DISCUSSION
Microbes and Higher plants are the rich source of novel drugs In last 50 years
numerous effective drugs primarily extracted from fungi have been discoverd
(Smedsgaard and Nielsen 2005) Among them many bioactive compounds have been
produced from endophytes also known as an exceptional source as its capability to
inhabitate the plants in every environmental condition (Strobel and Daisy 2003) In
current study 14 endophytic Penicillium isolates were isolated (root stem and leaves)
from wild plants (Achyranthus aspera Atriplex stocksii Euphorbia hirta Chorchorus
tridens) and cultivated plant (Solanum melongena Lycopersicon esculentum
Helianthus annuus Azadirachta indica Abelmoschus esculentus Momordica
charantia) collected from different parts of Sindh province These findings is an
agreement to the earlier reports about the existence of Penicillium as endophyte
(Korejo et al 2014) Similar as (Ravindran et al 2012) A flavus from
mangrovesreported as an endophytes also
The microbes exist inter andor intra celluler of plant called ldquoendophytesrdquo
Endophytes gives variety of advantages to the host with vast applications in agriculture
and medicine (Clay and Rudgers 2005 Alvarez-Loayza 2011) Endophytes reside
inside the plant effects on plant health and survival They give strenght against abiotic
and biotic stresses and take nourishment from the plant Almost all vascular plants
studied till date have endophytic fungi in parts of their life cycle Plant pathogens and
pests are comparatively less attacked medicinal plants therefore endophytic micro-biota
can be of boundless significance in protecting plants from pests (Kaushik 2012)
Several studies on synthesis of secondry metabolites isolated from endophytic
fungi have found Among them some compounds used to discover new therapeutic
drugs (Strobel et al 2004) About 300000 plant species presented on land having
atleast one or more of fungi From many different plants including trees like yew and
pine and fodders like sorghum clover alfalfa and vegetables like tomatoes carrot
radish sweet potatoes lettuce and soybean fruits like citrus pineapple banana
pineapple and cereal grains like wheatrice and maizeand other crops like sugarcane
129
coffee and marigold have been examined for endophytes (Rosenblueth and Romero
2006) Several plants of medicinal importance such as Actinidia macrosperma (wild
kiwifruit) Ricinus communisTectona grandis Samanea saman Garcinia Picrorhiza
kurroa Cannabis sativa Withania somnifera Rauwolfia serpentine Cedrus deodara
Abies pindrow Pinus roxburgii Nothapodytes nimmoniana Platanus orientalis
Artemisia annua Brucea javanica M sieboldii and Calotropis procera have been
studied for endophytes Species of Alternaria Colletotrichum Aspergillus Fusarium
Gliocladium Cunninghamella Phomopsis Alternaria Fusarium Chaetomium
Nigrospora Cladosporium Alternaria Fusarium Aspergillus Curvularia
Cladosporium sp Aspergillus sp Nigrospora sp Fusarium sp Trichoderma sp
Chaetomium sp Alternaria sp Paecilomyces sp and Phyllostica are frequently
isolated from many agricultural and native plant species as endophytic fungi (Rubini et
al 2005 Guo et al 2008 Veja et al 2008 Gazis and Chaverri 2010 Kurose et al
2012 Parsa et al 2016) and Penicillium (H Kim 2014 Hassan 2017 Gautam 2013
Meng 2011 Peterson 2005 Qader 2015 Devi 2014 Shoeb 2014 Yin Lu et al 2011
Sandhu et al 2014 Phongpaichit et al 2006ukanyanee et al 2006 Qadri et al
2013 Liang 2014Cai and Wang 2012 Sandhu et al 2014b Cai 2012 Qadri 2013
In current study most of the endophytic Penicillium isolated Endophytic fungi
identified according to Domsch et al (1980) Dugan (2006) Raper and Thom (1949)
Barnett and Hunter (1998) and Visagie et al (2014) Identification of the promising
isolates was done through PCR amplification
Endophytic Penicillium isolated and tested for vitro and vivo activity in current
report most of the isolates showed inhibitory potential for fungi (root rotting) Fungal
endophytes that have useful impact on plant growth as biocontrol agents because their
effect against disease by inhabiting internal tissues of plants (Yuan et al 2017
Amatuzzi 2017) Similar biological position as pathogenic microorganism Berg et al
(2005) But in difference to plant pathogens they do not cause injury to host plant and
go inside plants for taking nourishment (Kobayashi and Palumbo 2000) Various
research are existing regarding the valuable function of fungal endophytes like act as
antagonist to phytopathogens and enhance growth of several crops (Waqas et al 2015
130
Veja et al 2008 Bahar et al 2011 Mendoza and Sikora 2009) Moreover
commercial application of Aspergillus spp Penicillium spp and Chaetomium spp for
the making of bioactive compounds that reveal antimicrobial and fungicidal activities (
Wang et al 2012 Jouda et al 2014)
In crop plants fungal endophytes are slightly recognized to play a role in the
production of gibberellins and resistance to stress abiotically Abiotic stressors like
drought heat and salinity symbiotic fungi can help plants to minimize the effect of
these stresses (Rodriguez et al 2008) In coastal plants fungal strains of P
funiculosum and P janthinellum are produced resistance against salt stress (Khan et al
2011 2013) Endophytic P citrinum produced gibberellins for their plant host (Khan et
al 2008) For plant growing stages with leaf enlargement pollen growth seed
sprouting stem elongation gibberellins are essential (Achard et al 2009) and influence
the growth of plant and adjustment throughout the early stages Thus endophytic fungi
possibly support their host plant to take nutrients and also stimulate hosts
growth The Trichoderma spp as considered to a giver of resistance facilitating plant
protection (Rubini et al 2005 Verma et al 2007 Bailey et al 2009 Kurose et al
2012) In this report cell free filtrates of culture and their fractions of endophytic
Penicillium exposed significant Escherichia coli Staphylococcus aureus Salmonella
typhimurium antibacterial activity against Bacillus subtilis Staphylococcus aureus and
Pseudomonas aeruginosa by forming inhibition zone in disc diffusion method
Endophytic Penicillium are also effective against bacterial pathogens with root rotting
fungi (Manmeet and Thind 2002) assessed antagonistic activity of Bacillus subtilis
Pseudomonas aeruginosa Trichoderma harzianum and Penicillium notatum against
causative agent of the bacterial blight of rice caused by Xanthomonas oryzae pv
oryzae in vitro and results showed that B subtilis P fluorescens and T harzianum
stop the growth of pathogen Our findings are an agreement to (Korejo et al 2014)
They reported that cell free filtrates of culture of endophytic Penicillium spp revealed
antifungal and antibacterial potentail Against a humen pathogen Vibriocholerae
(MCM B-322) produced desease cholera the cell free culture of P
chrysogenum revealed significant potential (Devi et al 2012) Many fungal endophytes
are the main source to secrete bioactive compounds (Stinson et al 2003 Corrado and
131
Rodrigues 2004 Ezra et al 2004 Kim et al 2004 Liu et al 2004 Wiyakrutta et al
2004 Atmosukarto et al 2005 Chomchoen et al 2005 Li et al 2005) Among them
seven isolates such as Hypocreales sp PSU-ES26 isolated
by C serrulata Trichoderma spp PSU-ES8 and PSU-ES38 isolated by H ovalis
and Penicillium sp PSU-ES43 Fusarium sp PSU-ES73 Stephanonectriasp PSU-
ES172 and an unidentified endophyte PSU-ES190 isolated by T hemprichii revealed
strong antimicrobial potential against human pathogens (Supaphon et al 2013) There
is eager requirement to discover novel drugs because of infectious diseases and drug
resistance microbes developing day by day Endophytic Penicillium could be a new
origin of treatments for the diseases caused by pathogens
In infectious plants fungal endophytes released the biotic stress with time
duration of 3 6 and 12 day after treatment by lowering the concentration of jasmonic
acid and salicylic acid as compare to control diseased plants Moreover these findings
reported the Penicillium citrinum (LWL4) relationship had a improved helpful impact
on plants of sunflower than Aspergillus terreus LWL5(Waqas 2015) Endophyte
naturally occurring in plants provide defense to plants by different way of mechanisms
such as the secretion of toxicant for pathogens and occasionally to disrupt the cell
membrane causing cell death of the pathogen (Ganley et al 2008 Shittu et al 2009)
Researche reported the justification of the pathogenic infections through the application
of fungal endophytes in plants like F verticillioides (Lee et al 2009) non-pathogenic
mutants of Colletotrichum magna (Redman et al 1999) Xylaria sp (Arnold et al
2003) Colletotrichum specie Fusarium nectria specie and Colletotrichum
gloeosporioides Clonostachys rosea and Acremonium zeae (Poling et al 2008)
Botryosphaeria ribis and (Mejıacutea et al 2008) In current research we assumed that the
application of endophytic Penicillium in plants might protect plants from adverse
effects of the soil born root-rotting fungi The inoculation of endophytic fungi may
inhibit the development of initial infection and prevent disease in this way not only
disease severity decreased but enhanced growth of the plant and yield (Mei and Flinn
2010) Our reseach shows that during pathogenic infection and mutual associations of
the endophytes lower the incidence of disease and improved the yield and biomass of
the plants Promotion of the host plant growth and inhibition of plant pathogen
132
infection may be increase the absorbance of nutrient which causes improved biomass of
plant and growth (Muthukumarasamy et al 2002) In the current study endophytic
Penicillium limited root-rot disease and also promote the health of the plants as
compare to control plants These are the comparision of the results as described by
Serfling et al (2007) The results similar to earlier findings on the plant growth
enhancement by endophytic fungi (Hamayun et al 2010 Khan et al 2011 2012
2013)
Endophytic P cyclopium Penicillium corylophilum P funiculosum are
recognized as GA-producers (Hasan 2002 Khan et al 2011) P citrinum (Khan et al
2008) Penicillium specie (Hamayun et al 2010) Resistance against insect attack and
pathogens enhanced by GA-producing endophytes which alter defense hormones such
as JA and SA In terms of abiotic stress (drought heat stress and salinity) these
endophytes may change the level of abscisic acid and induce resistance Endophytes
may have influencial role 0n the production of biochemicals and alter antioxidant
activities which is the main cause of improving growth of the plants(Waller et al
2005 Hossain et al 2007 Khan et al 2012 Waqas et al 2012 Khan et al 2013)
Chemical fertilizer showed negative impact on plants status The wide
applications of these inorganic fertilizers also causes deterioration to the soil fertility
by losing physiochemical and biological features of soil (Altuhaish et al 2014) In
addition a harmful effect on environment the chemical fertilizers have low level of
efficacy which may reduce nutrients uptake by the plants (Adesemoye et al 2009)
Application of organic amendments is sound known for inhibition of soil-borne
infections improving crops and yield (Ehteshamul-Haque et al 1996 Ikram and Dawar
2015 Sultana et al 2011 Lazarovits 2001 Stone et al 2003) Organic amendments
showed significant effects on crop health and production not only as a result of inhibiting
inoculum of soil pathogens but improve soil quality (Bailey and Lazarovits 2003)
Organic amendments including green manure peats and composts animal manure has
been proposed to sustain and improve fertility of soil and also soil structure for
conventional biological systems of agriculture (Cavigelli and Thien 2003 Magid et al
2001 Conklin et al 2002) and reduce occurrence level of the infections due to soil
133
containg plant pathogens (Noble and Coventry 2005 Litterick et al 2004) It is exposed
that organic amendments can be active against damages produced by fungal pathogens
such as Verticillium dahliae (Lazarovits et al 1999) Rhizoctonia solani (Diab et al 2003)
Phytophthora spp (Szczech and Smolinacuteska 2001) Pythium spp (Veeken et al 2005
MCKellar and Nelson 2003)Sclerotinia spp (Lumsden et al 1983 Boulter et al 2002)
Thielaviopsis basicola (Papavizas 1968) and) Fusarium spp (Szczech 1999) In current
research use of organic amendments like neem cake cotton cake and mustered cake
alone or with combine application of Penicillium spp significantly (plt005) increase
plant growth and cause growth reduction of root rotting fungi as compared to carbendazim
Population of total fungi and bacteria increased by organic soil amendment
which inhibit pathogens growth due to loss of ability to compete with beneficial
microbes (Gilbert et aI 1968) In our study a positive influence of numerous oil cakes
such as cake of neem and mustard on growth of plant was observed which is as
simillar as the findings of the Pandey et al (2005) and Goswami et al (2006) who
reported the use of different oil cakes such as neem and mustards in soil which showed
positive effects on growth of plant
Mixtures of Penicillium with various organic amendments applied in our study
resulted increasing the effectiveness of beneficial microobes for suppressing the fungi
causing the root rots in the present study This is same as the results of (Van Gundy
1965 Oka 2010) who described the combine effect of oil cakes and Pesturia penetrans
which change the soil features might be due to affect on nematode behaviours
(hatching movement and survival) Soil amendment resulting the decrease of the
occurrence of root knot nematodes and Fusarium spp on mung bean plants
(Ehtashamul-Haq et al 1993) Decomposition process of organic amendment released
sunbtances which produced antagonists and resistance too (Lumsden et al 1983)
which promote the inhibition of pathogen T harzianum used as a biocontrol agent with
neem cake showed significant infection on the reduction of Fusarium spp and
improved the development of plants (Nand 2002) Combine application of organic
amendment and PGPR might be resulted reduction of root-rot infections and fungal
pathogens with improved soyabean production (Inam-ul-Haq et al 2012)
134
Among agricultural fertilizer such as neem (Azadirachta indica) and its
products broadly described as a potential fertilizer (Gajalakshmi and Abbasi 2004) and
fungal diseases controlled by them (Dubey et al 2009 Amadioha 2000) insect pests
(Schmutterer 1995Ascher 1993) nematodes which parasitized by plant (Akhtar and
Mahmood 1995) bacteria (Abbasi et al 2003)) Some Studies have been revealed the
surprising potentail of neem products like neem seed oil against R solani M
phaseolina F moniliforme and (Niaz et al 2008) neem seed kernel extract against
Alternaria alternate Trichothecium roseum Monilinia fructicola Penicillium
expansum and Monilinia fructicola (Wang et al 2010) neem seeds and neem leaves
extract for control of F oxysporum Sclerotinia sclerotiorum and R solani (Moslem
and El-Kholie 2009) In our study neem cake mustard cake and cotton cake separate
or within combination of endophytic Penicillium which significantly (plt005) inhibit
the root rotting fungi and increasing the growth of plant Reduction in pre and post
emergence mortality of cotton and in the occurrence of R solani M phaseolina showed
by neem cake which is commonly used as a natural pesticide(Vyas et al 1990 Jeyara-
Jan et al 1987) Multiple nutrients which are having capacity to improve soil
characteristics are found in organic materials (Orrell and Bennett 2013) They also
provide organic substances like acids that help to breakdown soil nutrients and make
them easily accessible for the plants (Husson 2013)
Use of pesticides for reduction of root rotting fungi and plant parasites is costly
approach and resulting destruction of soil environment (Sukul 2001) Use of
bantagonist is an efficient way to overcome root rotting fungi and lethal nematodes
(root knot) (Whapham et al 1994 Ehteshamul-Haque et al 1995 1996) Usually
suppression of the plant pathogens occured by the direct secretion of toxicant such as
phenolic compounds and indirectly enhancing soil microbes by the application of soil
amendments (Shaukat et al 2001Ali et al 2001) In the present report selected
isolates of endophytic Penicillium separate or mixed use with Carbendazim Feast-M
and Topsin-M not only significantly inhibited the infection of root rooting fungi and
enhanced the growth of sunflower but mixed application also produced additional
defense against pathogen penetration and promote growth Plant centered toxicant
within organic amendments revealed promising outcomes in the management of root
135
infecting fungi present in soil (Ghaffar 1995) Organis amendments give better
environment to soil by providing energy and nutrients which support microbes and
plants to grow and survive successfully (Drinkwater et al 1995) Combination of
beneficial microbes by means of various plant colonizing forms with organic
amendment may be convenient for the inhibition of diseases by using different
biocontrol mechanisms for phytopathogens Combine application of different strains of
PGPR resulted significant inhibition of cucumber pathogens consistently (Raupach and
Kloepper 1998)
For crop protection one of the most favorable alternative approach is activation
of resistance within plant among current strategies (Walters and Fountaine 2009
Anderson et al 2006 Walters et al 2005) These alternative stratigies does not kill
phytopathogen directly (Walters and Fountaine 2009) but encouragement of natural
defence system of plant which introduces systemic acquired resistance (Vallad and
Goodman 2004) In case of abiotic and biotic stress a broad series of bioactive
compounds are release by the plant in natural environment that are injurious to
pathogens and grazing animals Phenolic phytochemicals are basic constituents of fruits
and vegetable of bioactive compounds that function as a resistant against insect and
herbivores (Stevenson et al 1993) Due to their significant protective biological role
phenolic compounds are pervasive in all plants so found in all nutrients In plants
resistant reaction of phenols resulting in the separation of phytopathogens which are
categorized due to the quick and early accumulation of phenolics at the infection site
(Cheacuterif et al 1991)
Phenolic compounds are impotant bioactive metabolites can act as antioxidants
against oxidative stress which leads many benefits to plants (Urquiaga and Leighton
2000 Grassmann et al 2000) also termed as free radical- scavengers Phenolic
compounds and antioxidants have close relation (Kumar et al 2008) Phenolic and
lycopene compounds are carotenoids a big source of antioxidants present in tomatoes
richly (Pinela et al 2011 Sahlin et al 2004 Ilahy et al 2001 George 2004)
Organic tomatoes are economically important with relation to conventional tomatoes
(Kapoulas et al 2011) due to their improved quality and ecofriendly nature Phenolic
136
compounds gives better taste as compared to conventional fruits (Benbrook 2005) In
our research better quality of okra and tomato fruits are produced by endophytic
Penicillium as compared to chemical fungicides and control in both screen house and field
condition
In the present study endophytic Penicillium not affected pH of fruit juice of
okra and tomato compared to untreated plant fruits Our findings were in line with (Oke
et al 2005 Carrijo and Hochmuth 2000) who described that pH of tomato fruit juice
not changed by phosphorus use Combine use of endophytic Penicillium with
Psuedomonas montellii improved TSS (total soluble solids) and tritable Acidity of okra
fruit Total soluble solids consist of acids sugars and other constituents existing in THE
fruits of the tomato (Balibrea et al 2006) Instead of inorganic fertilizer application of
biocontrol agents significantly increased brix content in tomato (Oke et al 2005)
The improved quality of fruit Ash content due to the high utilization of the nutrients
of the soil (Mauromicale et al 2011) The variation present in total soluble solids might
be due to the variability of the gene(Riahi et al 2009) In addition of chemical fertilizer
to soil had a significant function in food safety but however made soil harder that
resulted destruction in soil quality (Lai et al 2002) and the soil mineral absorption
decreased through roots Similarly from the soil availability or absorption of mineral
nutrients due to greater moisture content that improved prescence of mineral in soil
(Van veen and Kuikman 1990)
In the present research application of endophytic Penicillium significantly
impoved the carbohydrate protein antioxidant and polyphenol contents of the tomato
and okra fruits The increment of root surface area ultimately increased water
absorption and nutrient uptake due to endophytic Penicillium increased the above
contents These findings are an agreement with Rashed (2002) who described that
antagonistic microbes improved nutrient uptake (El-Ghadban et al 2002)
The biofertilizers impact positively on okra fruits was confirmed by previous
studies described by (Adediran et al 2001 Adejumo et al 2010) The photosynthetic
activity will also be improved as a consequence of improved interception of light when
137
all nutrient is in the right proportion (Subbarao and Ravi 2001) which ultimately
improves vegetative growth and efficient transport of photosynthetic product from
source to sink
Therapeutic effects of active compounds from fungal source have been noticed
from several years and new drugs have exposed and obtained extracted from the
endophytic fungi (Teakahashi and Lucas 2008 Hormazabol et al 2005) A new
endophytic fungus Muscodor albus was isolated from cinnamon tree (Cinnamomum
zeylanicum) formed volatile compunds that executes fungi causing disases (Strobel et
al 2001 Strobel 2006) (Liu et al 2013 Raghunath et al 2012) has discoverd two
new compouds named as nigerasterols A 6 8 (14) 22-hexadehydro-5α9 α-epidioxy-
315-dihydroxy sterols and B from endophytic fungi (Aspergillus niger)
23 compounds were isolated from endophytic Penicillium regulosum mycelia
Hexane fraction of mycelium were characterized by GCMS to identify the chemical
compounds most of them are hydrocarbon fatty acid alcohol and benzene derivatives
Some compounds were characterized from our isolate such as Widdrol hydroxyether
Eicosane Oleic acid Ethyl Oleate and 2-Aminofluorescein Because of the prescence of
these chemical compounds this fungus might have a capability to act against pathogenic
bacteria and fungi and showed a promising result against both type of bacteria such as
gram-ve and gram +ve
Adametizine A produced by Penicillium sp having antibacterial activity against
Aeromonas hydrophila Vibrio harveyi Staphyloccocus aureus Vibrio parahaemolyticus
and antifungal activity against Gaeumannomyces graminis (Liu et al 2015) Arisugacin
K produced by Penicillium sp having antibacterial activity against Escherichia coli (Li et
al 2014) Cillifuranone produced by Penicillium sp having antibacterial activity against
Xanthomonas campestris and antifungal activity againsts Septoria tritici (Wiese et al
2011) Comazaphilones produced by Penicillium sp having antibacterial activity against
S aureus Pseudomonas fluorescens Bacillus subtilis (Gao et al 2011) Communol A
FndashG produced by Penicillium sp having antibacterial activity against Enterobacter
aerogenes E coli (Wang et al 2012) Conidiogenone B produced by Penicillium sp
138
having antibacterial activity against Pseudomonas fluorescens Pseudomonas aeruginosa
Staphylococcus epidermidis S aureus mr and antifungal activity against Candida
albicans (Gao et al 2011) Dictyosphaeric acid A produced by Penicillium sp having
antibacterial activity against S aureus Enterococcus faecium S aureus mr and
antifungal activity against C albicans (Bugni et al 2004) Isocyclocitrinols produced by
Penicillium sp having antibacterial activity against Enterococcus durans S epidermidis
(Amagata et al 2003) Peniciadametizines produced by Penicillium sp having antifungal
activity against Alternaria brassicae (Liu et al 2015) Penicifuran A produced by
Penicillium sp having antibacterial activity against Bacillus cereus Staphylococcus
albus (Qi et al 2013) Penicilactone produced by Penicillium sp having antibacterial
activity against S aureus mr (Trisuwan et al 2009) Penicimonoterpene produced by
Penicillium sp having antibacterial activity against E coli A hydrophila S aureus
Micrococcus luteus V parahaemolyticus and V harveyi (Zhao et al 2014) and
antifungal activity against A brassicae Aspergillus niger Fusarium graminearum (Gao
et al 2011 and Zhao JC et al 2014) Penicisteroid A which is produced by Penicillium
sp having strong antifungal activity in response to A brassicae A niger (Gao et al
2011) Penicitide A which is produced by Penicillium sp having stronge antifungal
activity in response to A brassicae A niger (Gao et al 2011) Penicyclones AndashE islated
from Penicillium sp having antibacterial activity against S aureus (Guo et al 2015)
Perinadine A which is produced by Penicillium sp having antibacterial activity against
B subtilis M luteus (Sasaki et al 2005) Pinodiketopiperazine A produced by
Penicillium sp having antibacterial activity against E coli (Wang et al 2013)
Scalusamide A produced by Penicillium sp having antibacterial activity against M luteus
and antifungal activity against Cryptococcus neoformans (Tsuda et al 2005) Terretrione
D produced by Penicillium sp having antifungal activity againsts C albicans (Shaala
LA et al 2015) and Xestodecalactone B produced by Penicillium sp having antifungal
activity againsts C albicans (Edrada et al 2002) These references supports our results
that our isolate have antimicrobial activity It also have showen a positive result on the
growth of the by enhancing the plant growth and also suppressing infection of root rot
fungi almost in all crops which are experimented
Conclusion
139
There is eager need for natural (environment friendly) chemotherapeutic and
agrochemical agents instead of synthetic toxic chemicals Natural products produced by
endophytes have been tested against infectious agents against plant pathogens One of the
single greatest challenge is control of soil-borne pathogens including parasitic nematodes
facing recent agriculture worldwide Soil-borne fungi and fungi like organisms
including Macrophomina phaseolina Fusarium species Phytophthora spp
Rhizoctonia solani and root knot nematodes commonly (Meloidogyne species) result
severe economic damages both in greenhouse and field production system In
agricultural and pharmaceteucal industry application of endophytes with their related
benefits has now been new approach in rescent years Despite the assistances related to
endophytic bacteria and fungi in plant disease management they are still largely
unexplored Genus Penicilium has been familiar for their significant secretion of
secondry metabolites among them and was also found to play important function in
plants against stress tolerance Penicilium spp secrete a variety of pharmaceutically
vital compounds with antibacterial antifungal insecticidal and nematicidal activities
In this study endophytic Penicillium isolated from healthy plants revealed
significant potential against root infecting fungi both in field condition and screen house
Although endophytes are now widely used in other different fields
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