FRESAPROTECT AND BERRYPROTECT
MIXES OF PARASITOIDS TO CONTROL ALL COMMONAPHID SPECIES ON PROTECTED SOFT FRUIT CROPS.
PRODUCTS DEVELOPMENT AND CASE STUDIESFROM THREE YEARS OF EXPERIENCE
IOBC VIII Workshop on Integrated Soft FruitProduction: 26-28 May 2014
Introduction
• Aphids: major pest in protected soft fruit
crops
• Chemical protection becomes more difficult (less active substances, multiresistance, health and
environnemental issues, consumers demand, less
residues, sustainable use directive)
→IPM with Parasitoids (Braconidae and
Aphelinidae)
• Viridaxis: company founded in 2004
specialized in aphid parasitoid production
• In 2007, Viridaxis started the
development of FresaProtect to facilitate
the implementation of biological aphid
control in strawberry production
• → ideal for IPM beginners
Introduction
Charter of product development objectives:
No identification of aphids neededProtects strawberry plants
against all commonly appearing aphidsLong lasting effect
at broad temperature rangeQuick and easy application
FresaProtect
Aphids/ParasitoidsAphidius colemani
Aphidius ervi
Aphidius matricariae
Aphelinus abdominalis
Ephedrus cerasicola
Praonvolucre
Acyrtosiphon malvae
Aphis craccivora
Aphis fabae
Aphis forbesi
Aphis gossypii
Aphis nasturtii
Aphis ruborum
Aulacorthum solani
Chaetosiphon fragaefolii
Macrosiphum euphorbiae
Macrosiphum rosae
Myzus ascalonicus
Myzus persicae
Rhodobium porosum
FresaProtect
Covering entire aphid spectrum
Controlling ONE aphid species through SEVERAL parasitoids
Complementarity in behavior of different parasitoid species (temperature range, searching behavior, oviposition capacity, …)
Praon volucrewhite“cotton aspect”
Aphelinus abdominalisblack
Ephedrus cerasicolablack with white stripehidden
Aphidius colemaniAphidius erviAphidius matricariae
yellow-brownish
FresaProtect – a mix of six different parasitoid species
Final product withintegrated feeding
point
FresaProtect: release point
Higher fecundity
longer life span
→ Ants can enter the tubes and empty them with repercussion on the control of aphids
Release point and ants
Release point and ants
Release devices
The new release device is hung by a fine nylon string
Protection against• Ants• Overhead water• Direct sun beams
Long lasting emergence
By using mummies of different ages, hatching can be prolonged to 17 days (at 7/22°C)
7/22°C
Hatching and life span
Population dynamics of aphids1) Curative strategy
2) Preventive, one parasitoid species
FresaProtect – Preventive use!
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Aphids under control (often below the
observation threshold)
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Aphis gossypii
Macrosiphum euphorbiae
Aphidius colemani
Praon volucre
Aphidius matricariae
Aphidius ervi
Ephedrus cerasicola
Aphelinus abdominalis
Preventive –6 parasitoid species
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A. gossypiiunder
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Aphidsunder
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Preventive –6 parasitoid species
Two successful strategies:
After a chemical clean-up
Start at planting or beginning of the growth and after inspection of the crop.
First release often done too late!
Time of first release
When?
www.blog-tijardin.com Viridaxis
Time of first release
IN OUTMean 9,1 6,2
Mean Min 2,0 1,3
Mean Max 22,8 13
Time of first release
• Different crop systems
FresaProtect
BerryProtect
• Cocktail of different parasitoid species (5 in
BerryProtect – no Ephedrus cerasicola)
• Main problem in raspberries: Amphorophora
idaei = virus vector (can cause up to 70% loss
in harvest), excellent parasitism through
Praon volucre
• Main problem in blueberries: Ericaphis
fimbriata (high resistance towards pesticides),
excellent parasitism through P. volucre.
• Both in raspberries and blueberries, difficulty
to reach the aphids with contact insecticides
in a dense canopy
BerryProtectAphids/
ParasitoidsAphidiuservi
Aphidiusmatricariae
Praonvolucre
Aphidiuscolemani
Aphelinusabdominalis
Acyrtosiphon malvae
Amphorophoraidaei
Aphis gossypii
Aphis idaei
Aphis pomi
Aphis schneideri
Aphis spiraecola
Cryptomyzus ribis
EricaphisfimbriataHyperomyzus
lactucae
Macrosiphum euphorbiae
Myzus persicae
BerryProtect
• Different crop systems
Field experience
• FresaProtect and BerryProtect on the market since 2011
• Used in 13 European countries
Field experience
Some case studies
PC Hoogstraten 2013FresaProtect in a elsanta crop (table top, unheated tunnel, 1000 m²).
Aphids: Acyrtosiphon malvaeMummies: Aphidius
• Start clean
• Aphids under observation threshold
most of the time
• Immediate control of all appearing aphids
PPK 2013FresaProtect in a candiss June bearer crop in plain soil (200 m²).
Aphids: Chaetosiphon fragaefolii, Acyrtosiphon malvae and Macrosiphum euphorbiae
Mummies: Aphidius, Praon and Aphelinus
• Start after a clean up treatment
• Good control of all appearing aphids
with all parasitoid species
• No economic damage
Plot Acreage Result
Clock House Elsanta 1,3 ha
Clock House amesti 0,8 ha
Clock House Glen Ample 1,3 ha Problem with aphid eggs
Langdon Manor Sonata 0,2 ha
Hugh Low Maravilla 0,5 ha 2 harvests
Salman’s Maravilla 0,4 ha Black Berry leaf Midge
Haygrove Sonata 600 m²
Haygrove Maravilla G 0,16 ha 2 harvests
Haygrove Maravilla T 1,3 ha 2 harvests
Haygrove organic strawberries
1 ha
7,02 ha
BerryGardens 2013
Clock House farm 2013
Elsanta Junebearer table top strawberries, unheated tunnel (1,3 ha)
14 15 16 17 18 19 20 21 22 23 24 25 26 27
Releases
First aphids observed: Macrosiphum euphorbiae(red form)
Macrosiphum euphorbiaepresent in all tunnels and few mummies
Mummies of Praon volucre on nearly all plants, few aphids remaining
Crop finished, no aphid damage, no insecticide treatment needed
Langdon Manor farm 2013
Sonata full ground strawberries (2 tunnels: 2000m²)
14 15 16 17 18 19 20 21 22 23 24 25 26
ReleasesFirst aphids observed: Localized spot of Macrosiphum euphorbiae (red form) and already a good parasitism
Aphids stay localized and mummies of Praon volucre on nearly all plants of the spot
Crop finished, no aphid damage, no insecticide treatment needed
First release under fleece
BerryProtect: Hugh Low farm 2013
Maravilla Raspberries (double cropping, heated glasshouse, 0,5 ha)
13 14 15 16 17 18 19 20 21 22 23 24 25 26
Releases
27 28 29 30 31 32 33 34 35 36 37 38 39
Treatment
First release clean crop
Thiaclopridagainst capsids
New release after waiting time of the treatment
Aphids (Amphorophora idaei) presents, Mummies observed regularly
Summer pruning and clean up treatment (spidermites)
Aphids present as single individuals, mummies regularly seen
A mix of parasitoids covering all commonlyfound aphids in a crop is a viable alternativeto chemical pesticides.
This concept, in conjunction with an easyapplication system, has gained the trust of growers and farmers involved in trials or usingFresaProtect or BerryProtect for theircommercial cultures.
Conclusions
Thank you to our partner in research
Thankyouvery muchfor your attention!