Pink borer (Sesamia calamistis) seedlings and plants. thiamethoxam or imidacloprid. Harvest at the very base of the plants, or plow stubble under and flood. Early/synchronized planting & water management. Rice gall midges, shoot maggots cause deadheart Use resistant varieties. A preventive seed treatment with thiamethoxam or imidacloprid. Plow under ratoon from previous crop. Orseolia oryzivora At least 45 days post-emergence from Remove off-season alternate host Cricotopus sylvestris treated seed, broadcast a spray with plants like wild rice. Paralauterborniella subcincta thiamethoxam, imidacloprid, Draining fields for 3-4 days controls Paratanytarsus species fenitrothion, or deltamethrin. the midge. Seeding synchronously as soon as possible after flooding. Seed parts of the field in sequence as they fill with water. Avoid over-doses of fertilizer. Rice beetles and flea beetles Use resistant varieties. A preventive seed treatment with thiamethoxam or imidacloprid. Use crop rotation. Leaf-feeding beetle (Epilachna similis) At least 45 days post-emergence from Keep bunds and surroundings free Hispid Beetle (Trichispa species) treated seed, broadcast a spray with from grass weeds Flea Beetle (Chaetocnema varicornis) thiamethoxam, imidacloprid, Destroy stubble and avoid ratooning. fenitrothion, or deltamethrin. Top the tips of leaves and seedlings before transplanting to destroy egg masses. Ensure balanced nutrition (avoid excessive nitrogen application). Removing weedy vegetation on the levees in spring near the time of seeding.
Pink borer (Sesamia calamistis) seedlings and plants. Harvest at the very base of the plants, or plow stubble under and flood. Early/synchronized planting & water management. thiamethoxam or imidacloprid. Rice gall midges, shoot maggots cause deadheart Orseolia oryzivora Cricotopus sylvestris Paralauterborniella subcincta Paratanytarsus species Use resistant varieties. Plow under ratoon from previous crop. Remove off-season alternate host plants like wild rice. Draining fields for 3-4 days controls the midge. Seeding synchronously as soon as possible after flooding. Seed parts of the field in sequence as they fill with water. Avoid over-doses of fertilizer. A preventive seed treatment with thiamethoxam or imidacloprid. At least 45 days post-emergence from treated seed, broadcast a spray with thiamethoxam, imidacloprid, fenitrothion, or deltamethrin. Rice beetles and flea beetles Leaf-feeding beetle (Epilachna similis) Hispid Beetle (Trichispa species) Flea Beetle (Chaetocnema varicornis) Use resistant varieties. Use crop rotation. Keep bunds and surroundings free from grass weeds Destroy stubble and avoid ratooning. Top the tips of leaves and seedlings before transplanting to destroy egg masses. Ensure balanced nutrition (avoid excessive nitrogen application). Removing weedy vegetation on the levees in spring near the time of seeding. A preventive seed treatment with thiamethoxam or imidacloprid. At least 45 days post-emergence from treated seed, broadcast a spray with thiamethoxam, imidacloprid, fenitrothion, or deltamethrin.
50647.docx