Insect pest management in cabbage - Russell Labs Site Hosting

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Managing Insects on Cole CropsExcellent example of potential for biological control (Mahr et. al. NCR 471)History of problem– Direct damage to marketable product by key pests• Worms on heads• Maggots on roots– Multiple insecticide applications used– Resistance developed as threat to productionSolution– IPM implementation based on biological control of key pests– Pesticides switched to specific, ‘soft’ materials to preserve naturalcontrol
Naturally Occurring Parasitization ofLepidopteraDiamondback moth 70-90%Diadegma insulareCotesia glomerataImported cabbage worm 30-60%Pteromalus pupariumCabbage looper 10-30%TrichogrammaCopidosoma floridanum
Page 1 and 2: Insect Pest ManagementCabbage Growe
Page 4 and 5: Wisconsin Specialty Crops: PotatoKe
Page 6 and 7: Factors Influencing Insect Pest Man
Page 8 and 9: Lorsban 4E and 15GEthics Review of
Page 10 and 11: Synthetic PyrethroidsControl practi
Page 12 and 13: Wisconsin Vegetable Pest Management
Page 14 and 15: Diamond backmothInsect Pest Complex
Page 18 and 19: Key Pests of Cole Crops- Complex of
Page 20 and 21: Diamondback mothOccurrence- Does no
Page 22 and 23: Imported Cabbage WormOccurrence- Ov
Page 24 and 25: Cabbage LooperOccurrence- Does not
Page 26 and 27: Putting together a biologically-bas
Page 28 and 29: Key Pest of Root CropsCabbage Maggo
Page 30 and 31: Seed maggots: Seedling damageOccurr
Page 32 and 33: Cabbage Maggot ManagementCultural-
Page 34 and 35: Flea Beetle ManagementCultural- Exc
Page 36 and 37: Cabbage Aphid ManagementCultural- N
Page 38 and 39: Presentation Outline1) Key insect p
Page 40 and 41: Pesticide Drift• Amount of pestic
Page 42 and 43: Thiamethoxam & Imidacloprid• Plat
Page 44 and 45: Flubendiamide• Synapse 24WG- Bras
Page 46 and 47: Cabbage Pest Management; At-Plant D
Page 48 and 49: Mean Larvae / PlantUTCPlatinum 3.75
Page 50 and 51: Mean Larvae / PlantUTCPlatinum 3.75
Page 52 and 53: Drench Insecticide Program on Brass
Page 54 and 55: Cabbage IPM; Drench and Foliar Tria
Page 56 and 57: Reduced Risk Foliar Options-Cabbage
Page 59 and 60: Presentation Outline1) Key insect p
Page 61 and 62: Swede Midge: Hosts & Damage‣ Swed
Page 63 and 64: If you see (suspect) a Swede Midge
Page 65 and 66: Best Management PracticesChemical C
Page 67 and 68:
Best Management PracticesMonitor fo
Page 69 and 70:
Adult swede midge on sticky cards
Page 71 and 72:
Best Management Practices• Choose
Page 73:
AcknowledgementsGreat Lakes KrautLa
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