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AgroStar Krishi Gyaan
Pune, Maharashtra
23 Aug 18, 10:00 AM
Guru GyaanAgroStar Agronomy Centre of Excellence
Take control measures right from the nursery for paddy stem borer
Paddy stem borer larva feeds internal tissue of the plant and as a result, plant dried which called as “Dead heart.” The damaged shoots can easily pulled out. Integrated Management - • Cultivate the less susceptible varieties like Narmada, GR 102, IR 22, IR 66, Gurjari, GR 12. • Early transplanting i.e. at first fortnight of July. • Apply fertilizers in 3-4 splits. Excess nitrogenous fertilizers enhance the pest activity. • In nursery 15 days after seeding, apply Chlorantraniliprole 0.4% GR or Carbofuran 3% G or Cartap hydrochloride 4% G or Fipronil 0.3% GR or Phorate 10% G @ 1 kg per 100 sq. m. (one guntha) with sand.
• Clip of the tips of the seedling at the time of transplanting. • Granular insecticides are more effective as the larva remain in the stem. • Apply Chlorantraniliprole 0.4% GR 10 kg or Cartap hydrochloride 4% G @ 10 kg or Chlorantraniliprole 0.5% + Thiamethoxam 1% GR @ 6 kg or Carbofuran 3% G @ 20-25 kg or Fipronil 0.3% GR @ 20-25 kg per hectare for two time in Paddy field first at the initiation of the pest or 30-35 days after transplanting and second 15-20 days after first application. • Apply the insecticides only on the infested area/ spots. • In addition, spray Acephate 75% SP @ 10 g or Chlorantraniliprole 18.5% SC @ 3 ml or Flubendiamide 48% SC @ 3 ml or Fipronil 80% WG 1 g or Flubendiamide 20 WG 2.5 g or Chlorpyriphos 50% + Cypermethrin 5% EC 10 ml or Flubendiamide 4% + Buprofezin 20% SC 10 ml or Acetamiprid 0.4% + Chlorpyriphos 20% EC 20 ml per 10 litter of water. Dr. T. M. Bharpoda, Ex. Professor of Entomology, B. A. College of Agriculture, Anand Agricultural University, Anand- 388 110 (Gujarat India)
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