• NOPPUN Virapong
    Laboratory of Applied Entomology and Nematology, Faculty of Agriculture, Nagoya University
  • 宮田 正
    Laboratory of Applied Entomology and Nematology, Faculty of Agriculture, Nagoya University
  • 斎藤 哲夫
    Laboratory of Applied Entomology and Nematology, Faculty of Agriculture, Nagoya University

書誌事項

タイトル別名
  • Selection for Resistance of the Diamondback Moth, <i>Plutella xylostella</i> with Fenvalerate
  • コナガのフェンバレレートによる淘汰〔英文〕
  • コナガ ノ フェンバレレート ニ ヨル トウタ エイブン

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抄録

Selection of larvae of field-collected strains (SHR84, OKR84 and KAR84) of the diamondback moth, Plutella xylostella L. with fenvalerate produced very high levels of resistance to the selecting agent. After 8-9 generations of continuous selection, resistance factor (Rf) values of LD50 and LD95 in the selected strains, SHR84-FR, OKR84-FR and KAR84-FR, became 54.9 and 315, 580 and 7960, and 3500 and 125, 000, respectively. Rapid development of resistance to fenvalerate within a short period might explain that field populations of P. xylostella in Japan possess high gene frequencies for fenvalerate resistance.

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