VEGETABLE INSECT PESTS Management Techniques
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VEGETABLE INSECT PESTS Management Techniques
- 1. VEGETABLE INSECT PESTS Scouting Techniques & Management Dr. Ayanava Majumdar Extension Entomologist, ACES Gulf Coast Research & Extension Center 8300 State Hwy 104, Fairhope, Alabama 36532 Cell phone: 251-331-8416 [email_address]
- 3. First know the definitions… INJURY DAMAGE Damage = injury + economic loss
- 10. Every one loves tomatoes!
- 16. Emerging problem: Stink bugs Has many host plants Early attack can destroy blooms and late attack destroy fruits
- 20. INSECT PESTS of COLE CROPS
- 22. Cabbage looper vs. Imported cabbageworm Cabbage looper (CL) Imported cabbageworm (ICW)
- 28. Cabbage aphid Natural Enemies
- 29. CHOOSING THE RIGHT INSECTICIDE (let’s go shopping!)
- 30. $9.76/pt AI = horticultural oil
- 31. $7.99 for 24-oz RTU AI = pyrethrin + canola oil or sulfur + pyrethrin
- 32. General purpose insecticide AI = malathion $21/qt + MANY OTHER INSECTS
- 34. Highly toxic to fish AI = rotenone Up to $9
- 35. Common soil bacterium Best against small caterpillars Apply when caterpillars are small AI = Bacillus thuringiensis kurstaki AI = Bacillus thuringiensis israelensis
- 37. CHOOSING ENVIRONMENTALLY-FRIENDLY INSECTICIDES (commercial veg. producers)
- 40. OMRI listed AI = pyrethrin + rotenone
- 43. Fungal microbial insecticides $72 per quart 2 quarts/A Beauveria bassiana strain GHA
- 46. Bio-based controls: are they cost effective? Palumbo 2000
- 47. Bio-based controls: are they cost effective? Palumbo 2000
- 48. Synthetic insecticides (old) Conventional products MOA Aphids, flea beetles, whitefly Stink bugs Dimethoate, acetamiprid (Assail), imidacloprid (Admire Pro) Bifenthrin & many pyrethroids Pyrethroid -neonicotinoid (Nicotinic acetylcholine receptor agonists, sodium channel modulators) Caterpillars (looper, tomato fruitworm, pinworm) Bifenthrin Beta-cyfluthrin (Baythroid) Lambda-cyhalo. (Warrior) Zeta-cyper. (Mustang Maxx) Esfenvalerate (Asana) Fenpropathrin (Danitol) Sodium channel modulators
- 49. Synthetic insecticides (new) New chemistries MOA Aphids, flea beetles, whitefly Stink bugs Flonicamid (Beleaf) Pymetrozine (Fulfill) Spirotetramat (Movento) Spiromesifen (Oberon) Feeding inhibitors Acetyl CoA caboxylase inhibitor Caterpillars (looper, tomato fruitworm, pinworm) Thrips Emamectin benzoate (Proclaim) Flubendiamide (Synapse), Rynaxypyr (Coragen) Indoxacarb (Avaunt) Methoxyfenozide (Intrepid) Spinetoram (Radiant) Chloride channel activators Ryanodine receptor modulators Sodium channel blockers Ecdysone receptor agonist Spinosyn (nicotinic receptors)
- 50. NEW RESOURCE: VEGETABLE ENTOMOLOGY DYNAMIC WEBSITE Visit http://www.aces.edu/dept/com_veg/ or https://sites.aces.edu/group/commhort/vegetable/default.aspx