2012 ir-4 food use workshopir4.rutgers.edu/fooduse/fuworkshop/industry talks/2012fuwpresen… ·...
TRANSCRIPT
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2012 IR-4 Food Use WorkshopPatti Turner – Gowan Company
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UPDATE:Fenazaquin Miticide(Food Use Registrations)
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Product Overview
• Excellent contact activity and control of larval & adult mites
• True ovicidal activity on some mite eggs, reduces hatching
of mite eggs (except winter eggs)
• Excellent efficacy on key mite species
• Low use rate in the field: 100 to 200 g a.i./ha
• To be sold as 20% SC
• Currently marketed globally in over 60 countries
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Fenazaquin Properties
• Fenazaquin is primarily a contact miticide• It is non-systemic/not translaminar• Rapid knockdown (24 hours)• Up to 25 days control• Fenazaquin is active independent of temperature
2013 Crops 2014 CropsPome FruitStone FruitCitrusStrawberriesVegetablesOrnamentals/NurseryHopsVines
CornAlfalfaCotton
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NEW FUNGICIDE:GWN-10087
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Overview
• Contact fungicide - penetrant activity providingprotectant, curative and eradicant control ofpowdery mildews.
• Unique mode of action (FRAC Code 29) forpowdery mildew fungicides
• Negligible resistance risk, valuable tool forresistance management.
• Registered beginning in 2007 on grapes,cucurbits and strawberries in UK, Italy, Romania,Tunisia, and Chile. More registrations pending.
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Target Crops in North America
GWN-10087 formulation: 350 g/L EC• Grapes
• Apples
• Stone fruit
• Cucurbits
• Strawberries*
• Leafy vegetables
• Greenhouse Vegetables
• Other?
*nominated for minor use project in Canada
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Efficacy
GWN-10087 is active against powdery mildew on awide range of crops:
• Grapes Uncinula necator• Pome Fruits Podosphaera leucotricha• Stone Fruits Sphaerotheca pannosa,
Podosphaera tridactyla• Tomato, Pepper Leveillula taurica• Cucurbits Erysiphe cichoracearum,
Sphaerotheca fuliginea• Strawberry Sphaerotheca macularis
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Control of Powdery Mildew on Petunia
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8-Jun 15-Jun 22-Jun 27-Jun
•Michigan State University, June, 2012
•Rates expressed as rate/100 gallons of water, applied at 7 day•Intervals – Azoxystrobin & Triflumizole applied at 14 day intervals.•Ratings 0-10 scale – 0 healthy, 10= dead. Powdery mildew Oidium sp.•Petunia = Petunia x hybrida .
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Toxicity and Fate
• GWN-10087 shows low acute mammalian toxicityand no chronic toxicity issues:• Acute Oral LD50 - >2000 mg/kg• Acute Dermal LD50 - > 5000 mg/kg
• GWN-10087 shows favorable behavior in theenvironment• Readily degraded in soil and water through hydrolysis
and microbial degradation• Field half-life of 5 days
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Environmental Toxicity
• GWN-10087 is highly toxic to fish andinvertebrates and moderately toxic to algae.
• However, GWN-10087 is not considered tocause unacceptable risk to aquatic organismsin surface water:• Tightly bound to soil so limited leaching potential• Rapidly degraded by microbes and hydrolysis
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Environmental Toxicity
Test Species ResultAcute contact 72 hour LD50 Apis mellifera 84.8 g/bee Acute oral 72 hour LD50 Apis mellifera 90.0 g/bee Earthworm Acute 14 day LC50 Eisenia foetida 302 mg/kg soil
GWN-10087 is moderately toxic to earthwormsand bees
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Environmental Toxicity
GWN-10087 shows an acceptable risk to non-target andbeneficial arthropods
Test Species ResultLaboratory Predatory mite
Typhlodromus pyri40.7 g ai/ha
Laboratory Parastoid waspAphidius rhopalosiphi
16.7% mortality at 840 g ai/ha28.8% effect on parasitism at 840 g ai/ha
Field studies revealed the following IOBC classification after4 consecutive applications:
•Typhlodromus pyri: •Harmless (class 1) : 89 % (n = 8)•Slightly harmful (class 2) 11 % (n = 1)
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GWN-10087 Summary
• Preventative, curative, and eradicant control. • Unique mode of action amongst powdery mildew fungicides.• Excellent resistance management tool• Disease control not temperature dependent• Rainfast within 1 hour after application• No impact on wine fermentation or organoleptic properties of
wine.• Low acute and chronic mammalian toxicity.• Short half-life in the environment.• Safe to beneficial mites, can be used within Integrated Pest
Management (IPM) guidelines.
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NEW BIOPESTICIDE:
GWN - 9996Repellent
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• Over 10 years experience marketing an IGR biopesticide
• Acquisition of Dow’s Mpede and Scythe
• Acquisition of Agro Technology, S.A. (AGT)
• EcoFlora AGRO
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GWN-9996 Overview
• Plant extracts of Liliaceae and Solanaceae plant families
• Activity: repellant• Anti-feedent• Anti-egg laying• Irritant
• Valuable tool for resistance management. • Ideal tool for IPM programs• Short REI and PHI• Field half-life up to 6 days• Shelf-life at least 2 years
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Target Crops in North America
GWN-9996: concentrated EC formulation ofplant extracts
AsparagusTomatoBeansRoot & Tuber VegetablesLeafy VegetablesCucurbitsBulb VegetablesLeafy BrassicaCole CropsForages (alfalfa, clover, trefoil, vetch)
Pome FruitStone FruitGrapeStrawberryBerry GroupHerbs & SpicesTree NutsOrnamentals
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Toxicity
• Recognized as low risk for human and ecological systems
• Slight eye and skin irritant
• Low persistence in the environment
• Minimal impact on beneficial and non-target organisms – timing is key
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Efficacy
GWN-9996 efficacy has been proven in a widerange of crops against many mite and insect pestsincluding:
• Mites (Tetranychus sp., Polyphagotarsonemus latus, Phyllocoptruta oleivora, Brevipalpus phoenicis, Steneotarsonemusspinki, Oligonychus spp, , Panonychus spp.)
• Thrips (Thrips spp. Frankliniella sp., Scirtothrips citri)
• Psyllids (Bactericera cockerelli, Diaphorina citri)
• Coffee Berry Borer (Hypothenemus hampei (Ferrari)
……and the testing continues…….
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GWN-9996 Summary
• Repellent
• Non-lethal mode of action
• Excellent resistance management tool
• Well suited to IPM programs
• Low mammalian and environmental toxicity.
• Short half-life in the environment.
• Safe to beneficial and non-target organisms
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NEW BIOPESTICIDE:
GWN - 10198Fungicide
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• A fungi based fungicide
• Demonstrated control of Verticillium dahliae which causes
wilt disease of strawberry
• Wettable Powder formulation
• Refinement of use pattern continues…….
• Submission timing 2015
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Thank you for your attention!Questions?
Patti Turner – Registrations Manager (928)539-5467([email protected])
Nikki Yepez– Registrations Specialist (928)539-1516([email protected])