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Biological Control & Modified Banker Plants

Biological Control & Modified Banker Plants. L.S. Osborne. Modified Banker Plants. Uses alternate hosts Uses confined hosts Potential to sell entire system May be specific to region Can move plants out if pesticides are needed. Modified Banker Plants. Used to establish natural enemies

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Biological Control & Modified Banker Plants

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  1. Biological Control& Modified Banker Plants L.S. Osborne

  2. ModifiedBanker Plants • Uses alternate hosts • Uses confined hosts • Potential to sell entire system • May be specific to region • Can move plants out if pesticides are needed

  3. ModifiedBanker Plants • Used to establish natural enemies • Used to augment natural enemies • Used to increase natural enemy numbers • Used to evaluate quality of natural enemies

  4. ModifiedBanker Plants • Used to evaluate quality of natural enemies • Used to slow PESTICIDE RESISTANCE • Can be integrated with pesticides if necessary TRAINING!

  5. SCOUTSCOUT SCOUT SCOUT SCOUT SCOUT SCOUT SCOUT SCOUT SCOUT SCOUTSCOUT SCOUT SCOUT SCOUT SCOUT SCOUT SCOUT SCOUT SCOUT SCOUT

  6. Biological ControlWHY?

  7. 100% Reliance on Pesticides = RESISTANCE

  8. Crisis!

  9. Biological Controls Parasites Predators Pathogens

  10. Natural enemies • Parasitoid • Pathogen or nematode • Parasite • Hyperparasite • Predator

  11. TYPICAL RELEASEMETHODS

  12. Seasonal Inoculative Introduce natural enemies EIL Begin Cycle Begin Cycle End Cycle Time (months)

  13. Problems- Economics

  14. Problems- Availability

  15. Problems- Quality Control

  16. Problems- PesticideInteractions

  17. Solution? Modified Banker Plants(Open Rearing Systems)

  18. Isolation Area 1 Clean Host Plants

  19. Isolation Area 2 Infested Host Plants

  20. Isolation Area 3 Infest with Natural Enemies

  21. Banker Plants Introduce banker plants EIL Begin Cycle Begin Cycle End Cycle Time (months)

  22. THRIPS BP= Pollen Producing Plants or Grain AH= Stored Product Mite or Pollen NE=Amblyseiusswirskii, A. cucumeris, Orius

  23. Banker System (without a plant) Amblyseius swirskii

  24. A sachet contains bran, Carpoglyphus lactis (Dried Fruit Mite or Sugar Mite) and the predatory mite A. swirskii.

  25. MEALYBUGS(open rearing system) BP= Potato or Squash AH= The mealybug pest NE=Parasitoids and Predators

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