Effect of Buprofezin on Oviposition of Brown Planthopper, <i>Nilaparvata lugens</i>, at Sub-lethal Dose

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  • ブプロフェジンのトビイロウンカの産卵に及ぼす低濃度での影響
  • Effect of Buprofezin on Oviposition of Brown Planthopper,Nilaparvata lugens,at Sub-lethal Dose
  • Effect of Buprofezin on Oviposition of

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Effects of buprofezin (Applaud®) on the oviposition and the life span of Nilaparvata lugens were examined at sub-lethal doses. The reference compound, deltamethrin, enhanced the number of ovarioles, eggs laid and the life span of female adults, when insects were exposured to sub-lethal doses (0.4-0.00064ppm) of the chemical from 5th instar stage. On the other hand, buprofezin hardly increased or somewhat decreased the oviposition and the life span of female adults at sub-lethal doses (below 0.4ppm) in the same exposure-treatment as above. These properties of buprofezin probably play important roles in the prevention of the resurgence of N. lugens along with a little adverce effects on the natural enemies and non-target species.

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