Topics. Topics. Minecto Pro 1/25/2016. Medicating onions for thrips infestations: New remedies to consider

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1 // Medicting onions for thrips infesttions: New remedies to consider Jnury, I. Performnce of II. Evluting s for Exirel Brin A. Nult Professor Deprtment of Entomology III. Compring thrips control erly in the seson - Movento vs. Rdint IV. Impct of surfctnts on diseses V. Controlling thrips with Rdint results over pst decde Evluting Efficcy of for Onion Thrips Control Active ingredients: mectin + cyntrniliprole Chemicl clsses: Avermectin (Group ) + Anthrnilic Dimide (Group 8) Section lel sumitted to EPA in How well does it control onion thrips? Product Active Ingredient Rte per Acre - - Agri-Mek SC mectin. fl oz Exirel cyntrniliprole. fl oz cyntrniliprole + mectin cyntrniliprole + mectin fl oz fl oz Onion Thrips Control in Onion - (Totl thrips fter weekly sprys) El, NY I. Performnce of Agri-Mek SC II. Evluting s for Exirel Exirel (low) (high) F=. df=, P< P. =. 8 Men Totl Numer Lrve/ Plnt III. Compring thrips control erly in the seson - Movento vs. Rdint IV. Impct of surfctnts on diseses V. Controlling thrips with Rdint results over pst decde

2 // Active ingredient: cyntrniliprole Chemicl clss: Anthrnilic Dimide (Group 8) Registered in New York Stte in Controls onion thrips, ut wht? Evluting Exirel for mnging thrips - Product Rte per Acre Timing - - Exirel. fl oz Weekly Exirel. fl oz thrips lrv/lef Exirel. fl oz thrips lrve/lef Evluting Onion Thrips Control using Exirel Applied Weekly Men # lrve per lef ) Determine n ction for Exirel Jul Jul Jul 9 Jul Jul Jul Jul Aug Smpling Dte El, NY Exirel weekly Evluting Onion Thrips Control using Exirel Applied t lrv/lef Threshold Men # lrve per lef ) Determine n ction for Exirel Jul Jul Jul 9 Jul Jul Jul Jul Aug Smpling Dte El, NY lrv/lef Evluting Onion Thrips Control using Exirel Applied t lrve/lef Threshold Men # lrve per lef ) Determine n ction for Exirel Jul Jul Jul 9 Jul Jul Jul Jul Aug Smpling Dte El, NY lrve/lef Evluting Onion Thrips Control using Exirel Applied t Different Action Thresholds Men # lrve per lef ) Determine n ction for Exirel Jul Jul Jul 9 Jul Jul Jul Jul Aug Smpling Dte El, NY Exirel weekly lrv/lef lrve/lef

3 // I. Performnce of II. Evluting s for Exirel III. Compring thrips control erly in the seson - Movento vs. Rdint IV. Impct of surfctnts on diseses V. Controlling thrips with Rdint results over pst decde Guidelines for Seson-Long Thrips Control Using Sequence of Products *Spry when thrips/lef for most products Plnting ) Lnnte + Wrrior or Exirel ) Rdint ) Agri-Mek or Exirel ) Movento Thrips Onions Hrvest -Mr -Apr -My -Jun -Jul -Aug -Sep -Oct Which Product is Best to Begin Sequence? Movento vs. Rdint to Strt n Onion Thrips Control Progrm - *Spry when thrips/lef for most products Plnting ) Lnnte + Wrrior or Exirel ) Rdint ) Agri-Mek or Exirel ) Movento Thrips Onions Hrvest -Mr -Apr -My -Jun -Jul -Aug -Sep -Oct Period to Mnge Thrips Tretment First weeks Second weeks - - (M,M,R,R) Movento Rdint SC (R,R,M,M) Rdint SC Movento Products (Rte per cre) fl. oz Rdint fl. oz Erly-Seson Efficcy of Movento followed y Rdint Aginst Thrips Erly-Seson Efficcy of Rdint Followed y Movento Aginst Thrips Men # of lrve per lef ) Determine n ction for Exirel M M R R M M R R Jul Jul Jul 9 Jul Jul Jul Jul Aug Smpling Dte El, NY Men # of lrve per lef ) Determine n ction M for Exirel R R M Jul Jul Jul 9 Jul Jul Jul Jul Aug Smpling Dte El, NY R R M M

4 // Men # of lrve per lef Erly-Seson Efficcy of Movento nd Rdint Applied in Opposite Sequences ) Determine n ction for Exirel Jul Jul Jul 9 Jul Jul Jul Jul Aug c Smpling Dte El, NY M M R R R R M M Movento is Best to Begin Sequence Despite Lck of Adult Control *Spry when thrips/lef for most products Plnting ) Lnnte + Wrrior or Exirel ) Rdint ) Agri-Mek or Exirel ) Movento Thrips Onions Hrvest -Mr -Apr -My -Jun -Jul -Aug -Sep -Oct I. Performnce of II. Evluting s for Exirel Surfctnt Improves Thrips Control El, only Movento only III. Compring thrips control erly in the seson - Movento vs. Rdint Movento+@.% Movento+@.% cd c IV. Impct of surfctnts on diseses V. Controlling thrips with Rdint results over pst decde Movento+@.% Movento+@.% e d F=.99 df=, 8 P <. Men Totl Numer Lrve/ Plnt Do Surfctnts Mke Onions More Vulnerle to Diseses? Evluting Co-Applictions of Insecticides nd Surfctnts for Thrips Control nd Disese Incidence - Botrytis lef light M. Piomesi Stemphylium lef light Product Surfctnt Type Rte (mount/cre) Mnufcturer non ionic.% v:v Helen Chem. Co. methylted seed oil.% v:v Helen Chem. Co. JMS Stylet oil minerl oil.% v:v JMS L orgnosilicone.% v:v Helen Chem. Co. Purple lotch Downy mildew B. Gugino Center rot

5 // Evluting Co-Applictions of Insecticides nd Surfctnts for Thrips Control nd Disese Incidence - Product Surfctnt Type Rte (mount/cre) Mnufcturer non ionic.% v:v Helen Chem. Co. methylted seed oil.% v:v Helen Chem. Co. JMS Stylet oil minerl oil.% v:v JMS L orgnosilicone.% v:v Helen Chem. Co. All tretments received the sme weekly sequence of insecticides: Movento, Movento, Agri-Mek, Agri-Mek (=M M A A) Cumultive numer of lrve per plnt ( weeks) Evlution of Insecticides Co-pplied with Surfctnts on Onion Thrips N= M M A A Only cv. Gunnison F El, NY c c c c Insecticide Tretment with surfctnts Evlution of Insecticides Co-pplied with Surfctnts on Botrytis lef light Evlution of Insecticides Co-pplied with Surfctnts on Downy Mildew Men Numer of BLB Lesions/ Lef 8 N= M M A A Only cv. Gunnison F Insecticide Tretment with surfctnts El, NY July, Percent Plnts with Symptoms N= M M A A Only cv. Gunnison F El, NY Insecticide Tretment with surfctnts Evlution of Insecticides Co-pplied with Surfctnts on Trget Spot Lesions Evlution of Insecticides Co-pplied with Surfctnts on Bul Rot 8 N= cv. Gunnison F El, NY N= cv. Gunnison F El, NY Men Numer of Lesions/Lef M M A A Only Insecticide Tretment with surfctnts Men % Bul Rot M M A A Only with surfctnts Insecticide Tretment

6 // Do Surfctnts Mke Onions More Vulnerle to Diseses - NO I. Performnce of II. Evluting s for Exirel Botrytis lef light M. Piomesi Stemphylium lef light III. Compring thrips control erly in the seson - Movento vs. Rdint IV. Impct of surfctnts on diseses Purple lotch Downy mildew B. Gugino Center rot V. Controlling thrips with Rdint results over pst decde Reduction (%) in thrips densities 9 8 Thrips Control in Onion using Rdint SC in New York F=.8; df=,8; P=. y=.x R =. 8 Yer Rtes fl oz/cre fl oz/re 8 fl oz/cre Summry I. effectively controlled thrips II. Exirel should e thrips/lef III. Movento should strt sequence, not Rdint IV. Surfctnts did not impct disese incidence V. Rdint s performnce ppers to e declining Future Reserch Acknowledgements Improve performnce of insecticide progrms (e.g., identify new mterils; optimize spry timings - Movento pplied erlier?; exmine impct of tnk mixes - Gol hericide + insecticide, etc.) Determine extent of spinetorm resistnce in thrips popultions throughout New York Encourge doption of Onion Thrips Mngement Progrm (discussed y Christy Hoepting) Need to identify non-chemicl tctics for thrips control (e.g., host plnt resistnce, culturl controls nd iologicl controls - discussed y Ashley Lech) Nult L Christy Hoepting CCE Veg Prog. & Ashley Lech Cornell Univ. Mortellro Frms Mtt Mortellro New York Onion Reserch & Development Progrm Industry Sponsors