fungus gnat control in greenhouses 11.5 - ggspro.comggspro.com/new/pdfs/updated/fungus gnat control...

6
Fungus Joanne Lu Email: gg Fungus g similar tra While the only fung Understan Adult fun 1/8” long with a Y-s by wavin easily tra distances card per 1 Pythium, organisms are appro They are concentra the base o under ben placement Shorefly a Gnat and utz, GGSPro sprotech@g gnats and sh aits but an ey are both gus gnat la nding how to ngus gnats a with long an shaped vein ng your han pped on ye even when ,000 sq ft. Thielaviops s from pot to oximately 1e found thr tions are in t of the pots. nches aid in t for the pres adult Shorefly o Technical S griffinmail.co horeflies to up-close loo significant p arvae feed o identify the re small, bla ntennae and in each win d over expo ellow sticky disturbed. C is and Fusa o pot when long and roughout th the top 1-1.5 Potato wedg detection. C sence of larv Control in Specialist om the naked ok reveals th pests of gre directly on ese pests aid ack flies, m legs. Their w ng. They are osed soil su y cards. Fu Cards can be Shorefly a with black with clear than those deposits Shoreflies For young caused by and can b crowns an spores of arium and tr they reach t clear with a he soil pro 5” of soil and ges placed o Check wedge vae. n Greenho eye may ha he differenc enhouse cro n plant tiss ds in control. measuring ab wings are cl easily detec urfaces and ungus gnat e placed thr adults, on th k bodies and spots. Shore e on a fungu on foliage are stronger g seedlings a fungus gnat bore into th d stems. Lar pathogens ransport the the adult sta a black hea file, but th d around dra on the soil s es in 24-36 h Fung ouses -11.3 ave ces. ops, sue. . out lear cted are adults are w roughout the he other han d reddish ey e fly antenn us gnat. Ad e, detractin r fliers than f and cuttings t larvae is oft he base of rvae ingest s such as ese disease age. Larvae ad capsule. he highest ain holes at surface and hours after gus gnat adult Fungus gna 3.14 weak flyers e greenhouse nd, measure yes. They ha nae and legs dults deposit ng from a fungus gnats s in propaga ften. Larvae (Photo: UC D at larvae and d s, traveling e at the rate 1/8” -1/4” ave darker w are much sh t tiny black aesthetic ap s. ation, the da feed on root 1 Davis) damage. short e of 1 long wings horter fecal ppeal. mage ts tips © 2014 Griffin Greenhouse Supplies

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Page 1: Fungus Gnat Control in Greenhouses 11.5 - ggspro.comggspro.com/new/pdfs/updated/Fungus Gnat Control in Greenhouses 11.5...Gnatrol WDG - (EPA Reg. # 73049-56) Active Ingredient: Bacillus

Fungus Joanne LuEmail: gg

Fungus gsimilar traWhile theonly fungUnderstan Adult fun1/8” long with a Y-sby wavineasily tradistances card per 1

Pythium, organismsare approThey areconcentrathe base ounder benplacement

Shorefly a

Gnat and

utz, GGSProsprotech@g

gnats and shaits but an ey are both gus gnat landing how to

ngus gnats awith long anshaped vein

ng your hanpped on yeeven when ,000 sq ft.

Thielaviopss from pot to

oximately 1”e found thrtions are in tof the pots. nches aid in t for the pres

adult

Shorefly

o Technical Sgriffinmail.co

horeflies to up-close loosignificant parvae feed o identify the

re small, blantennae and in each wind over expo

ellow stickydisturbed. C

is and Fusao pot when ” long and roughout ththe top 1-1.5Potato wedgdetection. C

sence of larv

Control in

Specialist om

the naked ok reveals thpests of gredirectly on

ese pests aid

ack flies, mlegs. Their w

ng. They are osed soil su

y cards. FuCards can be

Shorefly awith blackwith clear than thosedeposits Shoreflies For youngcaused by and can bcrowns anspores of

arium and trthey reach tclear with a

he soil pro5” of soil andges placed o

Check wedgevae.

n Greenho

eye may hahe differencenhouse cro

n plant tissds in control.

measuring abwings are cleasily detec

urfaces and ungus gnat e placed thr

adults, on thk bodies andspots. Shore

e on a funguon foliageare stronger

g seedlings afungus gnat

bore into thd stems. Lar

f pathogensransport thethe adult staa black heafile, but thd around draon the soil ses in 24-36 h

Fung

ouses -11.3

ave ces. ops, sue. .

out lear cted

are adults are w

roughout the

he other hand reddish eye fly antennus gnat. Ade, detractinr fliers than f

and cuttingst larvae is ofthe base of rvae ingest s such as ese disease age. Larvae ad capsule. he highest ain holes at surface and hours after

gus gnat adult

Fungus gna

3.14

weak flyerse greenhouse

nd, measureyes. They hanae and legs dults depositng from afungus gnats

s in propagaften. Larvae

(Photo: UC D

at larvae and d

s, traveling e at the rate

1/8” -1/4” ave darker ware much sh

t tiny black aesthetic aps.

ation, the dafeed on root

1

Davis)

damage.

short e of 1

long wings horter fecal

ppeal.

mage ts tips

© 2014 Griffin Greenhouse Supplies

Page 2: Fungus Gnat Control in Greenhouses 11.5 - ggspro.comggspro.com/new/pdfs/updated/Fungus Gnat Control in Greenhouses 11.5...Gnatrol WDG - (EPA Reg. # 73049-56) Active Ingredient: Bacillus

Shorefly

biologicamust be tinclude tthe otherlay eggsareas whwhere alsource foshorefliepoint in media anReduce adisinfestiZeroTol,

Chemica Chemicanot intenand follo Pesticide Adept WActive InOne 1-ozdrench. Adrench vbenches. or hibiscu Azatin OActive InBotanicapackage.insects.

Larvae (Synge

al tactics. Futargeted to the floor area

r hand, need . They are f

here moisturelgae is allo

for populatios. Improvincontrol eff

nd other debralgae by cleaing with a X3, GreenC

al Control

al control of nded to be exow all label d

es for contro

WSP - (EPA ngredient: Dz water-solubApply only

volumes thatInsect grow

us. 12 hr RE

O- (EPA Regngredient: Azal (neem) ins Halts tControls w

enta Bioline)

ungus gnats lthe media ofa under bencconstant mo

found alonge persists aft

owed to groons of bothng drainage forts. Clean ris where praning surfacproduct su

Clean Pro or

l:

fungus gnatxhaustive; pdirections.

olling larva

Reg. # 400-iflubenzuronble packet peenough to w

t must be fowth regulatorEI. MOA 15

g. # 70051-9zadirachtin

sect growth rthe growth

whiteflies, thr

Unlikedamagare tanof larcamounumbe Once based integra

lay their eggf plants or inches. Shorefoisture to breg the baseboter irrigationow provide h fungus gn

should be up excess

actical and res with Strip

uch as KleeGreenshield

ts and shore products othe

l stages

-477) n er 2 gal of wwet up the tollowed to inr. 21 days of. Restricted

9-598807)

regulator with process rips, mealyb

Ee

e fungus gnaging. The larnnish brownrvae in theuflaged. Shoer of importa

properly idin understan

ated controlgs in the cracn soils wherflies, on eed and

oards or n. Areas

a food ats and a focal potting

remove. p-It and

enGrow, d.

flies shoulder than those

water throughtop inch or nsure safe af control. Douse pesticid

th 4.5% activof insta

bugs, leafmi

Excessive algaenvironment f

at larvae, shrvae differ frn with no ble soil is dorefly adultant plant dis

dentified, conding their hl approach cks and crevre eggs have

d target the le listed may

h a 1:100 injtwo of soil

and effectiveo not use on

de in NH, RI

ve ingredienar and piner, fungus

ae provides an for shorefly

orefly larvaefrom fungus lack head cadifficult as ts are knoweases.

ontrolling thhabitats and that include

vices of soil me been depos

larval stage. y be safe and

jector used a. The label e use. Treat n poinsettias,

and VT.

nt and impropupal stag

gnats, soft

ideal

e are not dirgnats in thatapsule. Dete

they are wn to spre

hese two peimplementines chemicalmedia, so co

sited. This sh

The list beld effective.

as a top watecontains specrops and u

, reiger bego

oved organices of labscale, and m

2

rectly t they ection often

ead a

sts is ng an l and ontrol hould

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c inert abeled more.

© 2014 Griffin Greenhouse Supplies

Page 3: Fungus Gnat Control in Greenhouses 11.5 - ggspro.comggspro.com/new/pdfs/updated/Fungus Gnat Control in Greenhouses 11.5...Gnatrol WDG - (EPA Reg. # 73049-56) Active Ingredient: Bacillus

3

Foliar Spray Rates- ¼-1 tsp per gal or 4-16 oz per 100 gal. Herbs and vegetables on the label. 4 hr REI. MOA-UN. OMRI. Citation WSP - (EPA Reg. # 100-667) Active Ingredient: Cyromazine One 2.66-oz packet per 100 gal of water as a soil surface spray or drench. See the label for chemigation instructions. Insect growth regulator. May be used through low volume applicators at 1 packet per acre in the appropriate amount of water. Repeat at 14 day intervals to maintain control. 12 hr REI. MOA 17. Distance EC - (EPA Reg. # 59639-96) Active Ingredient: Pyriproxyfen Soil surface spray to control the larval stages of fungus gnats and shoreflies. 0.33-0.5 tsp per gal, 6-8 oz per 100 gal (poinsettias- use rate of 0.33 tsp per gal, or 6 oz per 100 gal). The label allows for a soil drench at 2 oz per 100 gal applied to wet up only the top 1-1.5” of soil. See label for special precautions when treating poinsettias. Can be used on certain fruiting vegetables. Do not use on salvia, Boston fern, schefflera, heuchera, or poinsettia bracts. 12 hr REI. MOA 7C. Duraguard ME - (EPA Reg. # 499-367) Active Ingredient: Chlorpyrifos (Restricted Use Pesticide) use as a soil surface spray on crops and under benches at ½ oz per gal (50 oz per 100 gal) or as a soil drench at 0.25 oz per gal (25 oz per 100 gal). Controls larval stage. No visible residue and safe on most open blooms. 24 hr REI. MOA 1B. Gnatrol WDG - (EPA Reg. # 73049-56) Active Ingredient: Bacillus thuringiensis strain israelensis Is a biological pesticide specifically for the control of fungus gnat larvae. Drench soil to control larvae by applying 16-32 oz per 100 gal to wet the top inch or so of soil. Can be used on certain vegetables. Three applications at 7-day intervals are needed for heavy infestations. Treat crops and under benches. Does not control shorefly larvae. 4 hr REI. MOA 11A1. Flagship WG- (EPA Reg # 100-955) Active Ingredient: Thiamethoxam Label contains directions for soil treatments. Controls larval stage. Not labeled for shoreflies. Restricted use pesticide in MA and NY. Not labeled for Nassau and Suffolk County NY and is approved only for Christmas tree farm and greenhouse use in the rest of the state. 12 hr REI. MOA 4A. Molt-X – (EPA Reg. # 68539-11) Active Ingredient: Azadirachtin Botanical (neem) insect growth regulator. Drench rates: 8 oz per 100 gal. Labeled for edible crops. Excellent plant safety. 4 hr REI. MOA UN. OMRI

© 2014 Griffin Greenhouse Supplies

Page 4: Fungus Gnat Control in Greenhouses 11.5 - ggspro.comggspro.com/new/pdfs/updated/Fungus Gnat Control in Greenhouses 11.5...Gnatrol WDG - (EPA Reg. # 73049-56) Active Ingredient: Bacillus

Pylon ECActive In0.33-0.66applicatioopen bloon certain Safari 20Active In4-6 week(apply 4 label conrestrictio PesticideControllipesticidesome gro ConservActive InRates ½ gnats and½ tsp pecrops but Pylon TRActive InA total rfruiting vpesticide Biologi Biologicagrower aREI’s foworkers, appeal to Atheta cofeeds on many otpupae. P

C – (EPA Rngredient: C6 tsp per galons before roms. Read pn greenhous

0 SG- (EPAngredient: Dk systemic coz per 6” p

nditions are mns. Restrict

es for controing the adul resistance.

owers have r

ve SC - (EPAngredient: Sptsp per gal

d shoreflies. r gal or 8 ot not in green

R – (EPA Rngredient: Chrelease aerovegetables in in NY.

cal Contro

al control ofacceptance.

for biocontrenvironme

o customers.

oriaria - is afungus gnat

ther soil dwPackaged as

Reg. # 241-37Chlorfenapyrl or 5.2-10 ootating to anphytotoxicitye fruiting ve

A Reg # 8620inotefuran control of lapot). Excellemet. MOA 4ted use pestic

olling adultlt of fungus GGSPro fe

reported adul

A Reg. # 627pinosad or 8 oz per No flower d

z per 100 gnhouses. 4 h

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ol:

f fungus gnaMany app

rol control ental friend

a generalist pt and shore welling pess Staphyline

74) ** Not fr oz per 100 gnother class y cautions oegetables.12

03-11-59639

arval stage. ent plant and4A. Special Lcide in MA.

stages gnats and

eels the bestlt control wi

719-291)

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44)

ide labeled es. One can t

ats has beenpreciate the

agents, sadliness, an

predatory befly larvae assts includinge c, this p

for outdoor

gal applied aof chemistry

on the label. hr REI. MO

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shoreflies ht control is ith the produ

a foliar spravisible residuance controlA 5.

for adult futreats 3000 s

n gaining 0 hour

afety to nd their

eetle that s well as g thrips

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as a soil surfy. No visibleDo not add

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-1 Tbls per ety. 12 hr R(SLN) label

has been diffachieved by

ucts listed be

ay provides sue. (Combinl.) Conserve

ungus gnats sq ft. 12 hr R

face spray. Me residue bu

d any surfactricted use pe

gal or 12-24REI, 0 hr RE

for NY, con

fficult in recy targeting lelow.

some controning Conserve is labeled f

on ornamenREI. MOA 1

Maximum out may burn tant. Can beesticide in N

4 oz per 10EI for drenchnsult label fo

cent years dlarval stages

ol of adult fuve with Talsfor certain e

ntals and ce13. Restricte

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NY.

00 gal hes if or use

due to s, but

ungus star at edible

ertain ed use

© 2014 Griffin Greenhouse Supplies

Page 5: Fungus Gnat Control in Greenhouses 11.5 - ggspro.comggspro.com/new/pdfs/updated/Fungus Gnat Control in Greenhouses 11.5...Gnatrol WDG - (EPA Reg. # 73049-56) Active Ingredient: Bacillus

Mca

beetle cointo pilesthe soil sper 10 ftwell and Hypoasp

been sugquantitie Area andProduct# mites/teArea trea# flats tre# 4 inch p# 6 inch p# 10 inch1 liter =

Millenium- arpocapsae

Beneficiastages ognat larvft2 weekFollow wRepeat a20 gal/1but do nocrops inc

omes in unitss, with 25 – surface, unift2. Adult Athcan sustain

pis miles - is

ggested for s needed. M

d container: # mites/sizeaspoon ated eated pots treated pots treated

h baskets trea= 200 teaspo

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al nematodef shorefly.

vae. Rate: 25kly applicatwith lighter rat 14-21 day,000 ft2 to ot apply to rcluding vege

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formly distribheta fly and a population

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moderate toMites may be

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ated oons and 5 l

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e for the coDoes not c

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ry mite that funof coThsufunsuwhHyin Th10

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ith 10 Hypo25,000 /1 lit

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liters = 1000

Steinerne

ontrol of larcontrol fung

per 2,700-5,4eavy pressullion/5,400 fApply with form covera

be used on herbs.

s in a coir fibs should be pghout produceir prey. Uns

lives on andngus gnat lar

shore fliesonducive to hey are activuggested as ngus gnat co

urfaces to puhile fungus ypoline m isa vermiculi

he suggested00 mites perulations. Seeontainers or

aspis mites ter 12es

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ma

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ber. To applplaced in moction areas.

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ontrol, (also upate). Mites gnat popus packed in ite/peat carrid application10 ft2, but re table belor breeding ar

per ft2.

25,000 / 5 lit125 mit12.5 ft2

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ly, simply dioist areas ouThe suggest

ble condition

p layer of soay contributeuatic enviroffectiveness eratures aboment to Aththrips larvae

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may be limove 50oF anheta beetlee that drop towhen introd

e relatively ,000 and 125al mites for w populatio00 per 10 ft2

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ons, is 2 have imate

rs.

© 2014 Griffin Greenhouse Supplies

Page 6: Fungus Gnat Control in Greenhouses 11.5 - ggspro.comggspro.com/new/pdfs/updated/Fungus Gnat Control in Greenhouses 11.5...Gnatrol WDG - (EPA Reg. # 73049-56) Active Ingredient: Bacillus

N

R D 1m1

flies are shipped lnematodeBulletin)pesticideaeration mesh. Dostored at

Nematode Dr

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100 million/ 100 gal

10

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8”

10

Using Coused in cmore thadecisions

noticeably rlive from thees, so apply. Do not tan compatibilifor maximuo not let trea40oF for 3-5

renching Gu

pplication

00 gal treats

z/container

ats:@ 2,000

” pots: 6,40

” pots: 3,20

” pots 1,30

0” basket 85

ompatible Pconjunction an one BCAs. The GGSP

reduced. Ree manufactu

y on cloudy nk mix nemity guide is am nematode

ated areas to 5 weeks. Fol

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00 (2.0 oz)

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with Biologics it is challetilized. In soavailable to h

Nemasys feltiae, a sgnat larvaeNematodeattack fun“pores”, antoxin that kCalculate tof Nemasyproductionas possibleTakes abo

6 week interrower at time in the eve

concentrated on request. Uuring applicay assuring ation suggesti

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hey may movbed, but remain ess in a “j”

Observation magnificatio

cal Control enging to deome cases thhelp you wei

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es are micngus gnat larnd introducekills the larvthe area in sys or Nemasn is critical. Ae after sowin

out 2 weeks rvals to mai

me of use. Ultening (reque

pesticide stUse cool waation. Remo

adequate soilions in follo

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Agents- Whetermine cohere is a lacigh available

hield contanematodes th. Does not c

croscopic rorvae, througe a bacteriumvae. sq ft and detshield. The fApply preveng seed or inbefore the

intain protectraviolet ligh

est our GGStock solutioater with genove any screl moisture. Nowing table.

ments

ch volumes rm distriburnema is ode - it lig fungus gna

or adult pofollowing a

population d

While certain ompatibility, ck of data oe options.

ains Steinerhat attack fucontrol shoreoundworms

gh their bream that produ

ermine quanfirst six weeentatively asnserting cuttnumber of

ction. Nemaht is damagi

SPro Cloudyons. A nemantle agitation

eens finer thaNematodes c

must be sution througnot a higes in wait at larvae.

opulation at application.

does not drop

pesticides cespecially

on which to

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rnema ungus eflies.

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atodes ing to y Day atode-n and an 50 an be

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© 2014 Griffin Greenhouse Supplies