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Grape Insect & Mite Update Dan Horton, UGA, Entomology, Athens

Grape Insect & Mite Update Dan Horton, UGA, Entomology, Athens. Budswell Scale, Mealybugs, Flea Beetles Oil, Esteem, Venom, Assail, Movento. European Red Mites & Two Spotted Spider Mites Regular Insecticide Use, Particularly with Admire, Provado, Venom, Actara, Assail (4A);

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Grape Insect & Mite Update Dan Horton, UGA, Entomology, Athens

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  1. Grape Insect & Mite UpdateDan Horton, UGA, Entomology, Athens

  2. BudswellScale, Mealybugs, Flea BeetlesOil, Esteem, Venom, Assail, Movento

  3. European Red Mites & Two Spotted Spider MitesRegular Insecticide Use, Particularly with Admire, Provado, Venom, Actara, Assail (4A); Sevin (1A); Baythroid, Brigade, Danitol, Mustang (3) increases the risk of mite outbreaks

  4. Budbreak Dormant Oil plus diazinon for ERM Eggs & Mealybugs During Summer Apply As-Needed for ERM &/or TSSM: Agri-Mek, Acramite, Nexter*, Envidor

  5. Pre-BloomGrape Berry Moth, Grape Flea BeetleSpinTor, Imidan

  6. Pre-Bloom & Cap FallThripsSpinTor, Assail

  7. Cap Fall & Early Cover SpraysGrape Berry Moth, Flea BeetlesImidan, SpinTor, malathion

  8. Grape Leafroll Virus is Vectored by Propagation, Mealybugs & Soft Scale

  9. Grape Leafroll Virus/Mealybug Cover Spray SuppressionActara, Assail, Calypso, Venom (4A)diazinon (1B)

  10. Factors Influencing Spread of Pierce’s Disease Seasonal Leafhopper Abundance Seasonal Titer of PD Bacterium in Above Ground Portions of Plant Overall Bacterial Titer (roots & scion) PD strain of Xylella fastidiosa in Alternative Hosts Weather

  11. 2010 UGA LH RecommendationSuppress Wild Hosts & RogueCover Sprays, Trap & SuppressStandard Imidan or malathion Cover SpraysWhen LHs are Abundant &/or GWSS is Present Alternate Foliar Baythroid or Mustang & ImidanIf GWSS is Present Soil-Applied imidacloprid

  12. Leafhopper Species of Lumpkin County, Sheppard et al.

  13. Normal Native Range ofGlassy-Winged Sharpshooter

  14. Xylella Spread Typically is Most Severe in June & July

  15. GRAPE PIERCE’S DISEASE STRAINS • GRAPE • AMERICAN ELDER • VIRGINIA CREEPER • PEPPERVINE • AMERICAN BEAUTYBERRY • BLACKBERRY • PPD STRAIN • EASTERN BACCHARIS • PLUM • PERIWINKLE • CREPE MYRTLE • PEACH Xylella fastidiosa Host Plants in FL, Hopkins, 1988

  16. Japanese Beetles Foliar Injury June Beetles Fruit Injury Imidan, Sevin, Mustang

  17. Grape Root Borer Difficult to Detect, Weaken & Kill Vines Preventative Insecticide Barrier Treatments the Best Option

  18. UGA Grape Root Borer Recommendation Foliar 6.4 fl ozs Brigade 2EC 30 days PH Foliar 4.3 fl ozs Mustang 1.5EC 20 days & 2 days PH Soil 41/2 pts/100 gals Lorsban 4EC Immediately Post Harvest

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