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Whiteflies An Example of Resistance Management

Whiteflies An Example of Resistance Management. Q. Neonicotinoids. Solved the problem for many years but: RESISTANCE OR TOLERANCE STARTED TO SHOWUP. Q-BIOTYPE. Biotype Q was known to be tolerant to most chemical classes in 2004. Collaborator Acknowledgements.

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Whiteflies An Example of Resistance Management

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  1. WhitefliesAn Example of Resistance Management

  2. Q

  3. Neonicotinoids Solved the problem for many years but: RESISTANCE OR TOLERANCE STARTED TO SHOWUP Q-BIOTYPE

  4. Biotype Q was known to be tolerant to most chemical classes in 2004

  5. Collaborator Acknowledgements Partially funded by the Floriculture and Nursery Research Initiative and I-R4

  6. 44Products Tested from 2005 through 2009 • Acelepryn (DPX-E2Y45) • Agri-50 • Aria 50 SG • Avid 0.15EC • BotaniGard 22WP • BotaniGard ES • BugOil • Celero 16WSG • Discus • Distance 0.86EC • DPX-HGW85 • Dursban • Eco E-rase • EcoTrol EC • Endeavor • Enstar II • Flagship 25WG • Judo 4F • Kontos • Marathon II • Met 52 • MilStop • M-Pede • Naturalis • NoFly • Organocide • Ornazin 3%EC • Orthene TTO • Pedestal • QRD400 • Revoke • Safari 20SG • Safari 25WG • Sanmite • Scimitar • Sorbitol Octanoate • Sucrocide • Synergy (Suffoil X) • Talus • Tame • TickEx EC • TriCon (BW420) • TriStar 30SG • TriStar 70WSP

  7. Average % Control for Biotype Q 2005 to 2009

  8. Whitefly Management Plan

  9. PLAN Identify All Pesticides Registered for the Pest and Crop Determine Plant Safety Determine Labeled Frequency Determine Other Use Restrictions (site,…) Organize Treatments… Don’t Forget Other Pests!

  10. Resistance is a Numbers Game

  11. ORDER OF ROTATIONHEAVY POPULATION1) CONTACT ONLY2) 7 DAY RESIDUAL3) GREATER THAN 21

  12. 100% Reliance on Pesticides = RESISTANCE

  13. Thank you!

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