North Carolina Corn Insect Pest 2015 Update New Corn Offerings for Insects Stink Bug Management in Corn.

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Presentation transcript:

North Carolina Corn Insect Pest 2015 Update New Corn Offerings for Insects Stink Bug Management in Corn

How Do New Bt Products “Stack” Up? Common mid- to late-season lep. pest Occasional mid- to late-season lep. pests Cutworm Armyworms Southern cornstalk borer European corn borer Corn earworm

Trade NameBt proteins Corn Earworm Fall Armyworm Agrisure 3011Cry1Ab, mCry3A a PF-G Agrisure Viptera 3110Vip3Aa20, Cry1Ab EE Agrisure Viptera 3111Vip3Aa20, Cry1Ab, mCry3A a EE Agrisure Viptera 3220Vip3Aa20, Cry1Ab, Cry1F EE Herculex I (HX1 or HR)Cry1F PG-VG b Optimum Intrasect (YHR)Cry1F, Cry1Ab F-GVG b Optimum Intrasect Xtra (YXR)Cry1F, Cry1Ab, Cry34Ab1/Cry35Ab1 a F-GVG b Optimum Leptera (VYHR)Cry1F, Cry1Ab, Vip3Aa20 EE YieldGard Corn Borer (YGCB)Cry1Ab PF-G YieldGard VT Triple (VT3)Cry1Ab, Cry3Bb1 a PF-G Genuity VT Double PRO (GENVT2P)Cry1A.105, Cry2Ab2 G-VGE Genuity VT Triple PRO (GENVT3P)Cry1A.105, Cry2Ab2, Cry3Bb1 a G-VGE POWERCORECry1A.105, Cry2Ab2, Cry1F VGE SmartStax (SSX), Genuity SmartStax (GENSS) Cry1A.105, Cry2Ab2, Cry1F, Cry3Bb1*, Cry34Ab1/Cry35Ab1 a VGE a trait is effective for rootworm b rating will be poor in the Blacklands, where fall armyworm is resistant to Cry1F

Trade NameBt proteins Corn Earworm Fall Armyworm Agrisure 3011Cry1Ab, mCry3A a PF-G Agrisure Viptera 3110Vip3Aa20, Cry1Ab EE Agrisure Viptera 3111Vip3Aa20, Cry1Ab, mCry3A a EE Agrisure Viptera 3220Vip3Aa20, Cry1Ab, Cry1F EE Herculex I (HX1 or HR)Cry1F PG-VG b Optimum Intrasect (YHR)Cry1F, Cry1Ab F-GVG b Optimum Intrasect Xtra (YXR)Cry1F, Cry1Ab, Cry34Ab1/Cry35Ab1 a F-GVG b Optimum Leptera (VYHR)Cry1F, Cry1Ab, Vip3Aa20 EE YieldGard Corn Borer (YGCB)Cry1Ab PF-G YieldGard VT Triple (VT3)Cry1Ab, Cry3Bb1 a PF-G Genuity VT Double PRO (GENVT2P)Cry1A.105, Cry2Ab2 G-VGE Genuity VT Triple PRO (GENVT3P)Cry1A.105, Cry2Ab2, Cry3Bb1 a G-VGE POWERCORECry1A.105, Cry2Ab2, Cry1F VGE SmartStax (SSX), Genuity SmartStax (GENSS) Cry1A.105, Cry2Ab2, Cry1F, Cry3Bb1*, Cry34Ab1/Cry35Ab1 a VGE a trait is effective for rootworm b rating will be poor in the Blacklands, where fall armyworm is resistant to Cry1F

Trade NameBt proteins Corn Earworm Fall Armyworm Agrisure 3011Cry1Ab, mCry3A a PF-G Agrisure Viptera 3110Vip3Aa20, Cry1Ab EE Agrisure Viptera 3111Vip3Aa20, Cry1Ab, mCry3A a EE Agrisure Viptera 3220Vip3Aa20, Cry1Ab, Cry1F EE Herculex I (HX1 or HR)Cry1F PG-VG b Optimum Intrasect (YHR)Cry1F, Cry1Ab F-GVG b Optimum Intrasect Xtra (YXR)Cry1F, Cry1Ab, Cry34Ab1/Cry35Ab1 a F-GVG b Optimum Leptera (VYHR)Cry1F, Cry1Ab, Vip3Aa20 EE YieldGard Corn Borer (YGCB)Cry1Ab PF-G YieldGard VT Triple (VT3)Cry1Ab, Cry3Bb1 a PF-G Genuity VT Double PRO (GENVT2P)Cry1A.105, Cry2Ab2 G-VGE Genuity VT Triple PRO (GENVT3P)Cry1A.105, Cry2Ab2, Cry3Bb1 a G-VGE POWERCORECry1A.105, Cry2Ab2, Cry1F VGE SmartStax (SSX), Genuity SmartStax (GENSS) Cry1A.105, Cry2Ab2, Cry1F, Cry3Bb1*, Cry34Ab1/Cry35Ab1 a VGE a trait is effective for rootworm b rating will be poor in the Blacklands, where fall armyworm is resistant to Cry1F

Relationship between corn earworm feeding and yield

Fall Armyworm- Washington Co a b a a a b

Trade NameInsecticidea.i./kernelBillbug White grubWireworm Poncho 250, Acceleronclothianidin0.25 mg NLFG Poncho 500, Acceleron with Poncho VOTiVO 500 clothianidin0.50 mg FEVG Poncho 1250, Acceleron with Poncho VOTiVO 1250, Poncho VOTiVO clothianidin1.25 mg GEE Cruiser Maxx 250thiamethoxam0.25 mg NLFG PPST 250thiamethoxam0.25 mg NL, FFG Cruiser Maxx 500, Avicta Complete Corn thiamethoxam0.50 mg NLGVG Cruiser Maxx 1250thiamethoxam1.25 mg GEE PPST 250 plus Lumiviathiamethoxam + chlorantraniliprole mg G?? Imida E-AG 5 FST, Senator 600, Imidacloprid 5, Attendant 600 imidacloprid0.60 mg NLGG Latitudeimidacloprid3.5 oz/CWT NLNL, FG Concurimidacloprid1.5 oz/ 42 lb NLFG Kernel Guard Supreme, Kickstart VPpermethrin1.5 oz/ 42 lb NLNL, F?

Trade NameInsecticidea.i./kernelBillbug White grubWireworm Poncho 250, Acceleronclothianidin0.25 mg NLFF-G Poncho 500, Acceleron with Poncho VOTiVO 500 clothianidin0.50 mg FEG Poncho 1250, Acceleron with Poncho VOTiVO 1250, Poncho VOTiVO clothianidin1.25 mg GEE Cruiser Maxx 250thiamethoxam0.25 mg NLFF-G PPST 250thiamethoxam0.25 mg NL, FFG Cruiser Maxx 500, Avicta Complete Corn thiamethoxam0.50 mg NLGG Cruiser Maxx 1250thiamethoxam1.25 mg GEE PPST 250 plus Lumiviathiamethoxam + chlorantraniliprole mg G?G? Imida E-AG 5 FST, Senator 600, Imidacloprid 5, Attendant 600 imidacloprid0.60 mg NLGG Latitudeimidacloprid3.5 oz/CWT NLNL, FG Concurimidacloprid1.5 oz/ 42 lb NLFG Kernel Guard Supreme, Kickstart VPpermethrin1.5 oz/ 42 lb NLNL, F?

Trade NameInsecticidea.i. Bill- bug White grubWireworm Poncho 250, Acceleronclothianidin0.25 mg/kernel NLFF-G Poncho 500, Acceleron with Poncho VOTiVO 500 clothianidin0.50 mg/kernel FEG Poncho 1250, Acceleron with Poncho VOTiVO 1250, Poncho VOTiVO clothianidin1.25 mg/kernel GEE Cruiser Maxx 250thiamethoxam0.25 mg/kernel NLFF-G PPST 250thiamethoxam0.25 mg/kernel NL, FFG Cruiser Maxx 500, Avicta Complete Corn thiamethoxam0.50 mg/kernel NLGG Cruiser Maxx 1250thiamethoxam1.25 mg/kernel GEE PPST 250 plus Lumiviathiamethoxam + chlorantraniliprole mg/kernel G?G? Imida E-AG 5 FST, Senator 600, Imidacloprid 5, Attendant 600 imidacloprid0.60 mg/kernel NLGG Latitudeimidacloprid3.5 oz/CWT NLNL, FG Concurimidacloprid1.5 oz/ 42 lb NLFG Kernel Guard Supreme, Kickstart VPpermethrin1.5 oz/ 42 lb NLNL, F?

Billbug Injury- Hyde Co a ab abc bc c c c

Can We Boost Efficacy with In-Furrow Insecticides? Pasquotank Co. 2014

Can We Boost Efficacy with In-Furrow Insecticides? Pasquotank Co. 2014

Can We Boost Efficacy with In-Furrow Insecticides? Hyde Co a ab b b b b

What about Stink Bugs?

Stink Bug Population Dynamics Wheat (hypothetical)

Aerial insecticide applications focused on fungicidal applications over tassling corn are ineffective but they are likely too late to do any good anyway.

Stink bugs in wheat and corn, 3 hours post- marking, prior to wheat harvest

Stink bugs in corn, 2 days post-marking, prior to wheat harvest

Stink bugs in corn, 4 days post-marking, 2 days post-wheat harvest

Stink bugs in corn, 6 days post-marking, 4 days post-wheat harvest

Stink bugs in corn, 8 days post-marking, 6 days post-wheat harvest

Stink bugs in corn, 10 days post-marking, 8 days post-wheat harvest

Summing Up Corn Stink Bug Management Check adjacent wheat for stink bugs – Average stink bug density in 120 NC and VA fields during 2011 was 1.9 in 20 sweeps at peak infestation – Watch when 5 or more brown stink bugs in 20 sweeps – Check status of weeds in adjoining ditches

0.24 stink bugs/m stink bugs/m stink bugs/m 2

Summing Up Stink Bug Management in Corn Georgia thresholds – Prior to VT - 25% infested plants – R1 - 50% infested plants – R % infested plants Spray ~7 days after adjacent wheat harvest