Bacillus thuringiensis製剤のマイマイガに対する効果について

DOI 日本農学文献記事索引 Web Site 被引用文献2件
  • 浅野 昌司
    クミアイ化学工業株式会社生物科学研究所 大塚製薬株式会社徳島工場第2研究室
  • 中村 后代枝
    クミアイ化学工業株式会社生物科学研究所
  • 松下 洋子
    クミアイ化学工業株式会社生物科学研究所

書誌事項

タイトル別名
  • Some Biological Effects of a <i>Bacillus thuringiensis</i> Product on the Gypsy Moth Larvae
  • <i>Bacillus thuringiensis</i>製剤のマイマイガに対する効果について
  • Bacillus thuringiensis セイザイ ノ マイマイガ ニ タイスル コウカ ニ ツイテ リンギョウ ガイチュウ ノ ボウジョ ニ カンスル ケンキュウ 8

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抄録

Insecticidal and antifeeding activities of a Bacillus thuringiensis product “Thuricide A” against the 3rd-to 6th-instar larvae of the gypsy moth, Porthetria dispar, were investigated under a laboratory condition. During the first several days following the ingestion of wild rose leaves treated with Thuricide A, the larvae showed a remarkable decreased appetite but the mortality was low. The mortality was gradually increased after 3 days until the 8th day after the ingestion of Thuricide A. The decreased appetite in feeding was observed from the 1st day, and did not recover so long as treated leaves were given successively. When treated leaves were changed with untreated ones on the 3rd day the recovery in larval appetite was observed. It could be considered that the antifeeding effect of Thuricide A is temporary. When the treated and untreated leaves were placed in the same cage and the larvae were placed on untreated leaves, almost all larvae did not move to the treated leaves. When larvae were placed on the treated leaves, however, they crawled about actively until some larvae reached untreated ones.

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