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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!