合成性フェロモンによるコナガの交尾阻害

DOI 日本農学文献記事索引 Web Site 被引用文献2件

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タイトル別名
  • Mating Inhibition in the Diamond Back Moth, <i>Plutella xylostella</i> (L.) (Lepidoptera: Plutellidae) with its Synthetic Sex Pheromone
  • ゴウセイセイ フェロモン ニヨル コナガ ノ コウビ ソガイ

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Mating inhibition of the diamond back moth with synthetic sex pheromone, a mixture of (Z)-11-hexadecenal and (Z)-11-hexadecenyl acetate in a ratio of 1:1, was evaluated. Constant and high mating rate of the diamond back moth was obtained by feeding 5% solution of honey after emergence. Effect of different concentrations of the sex pheromone on the mating rate of 3 pairs of insects placed in a 300ml flask was evaluated. After 8 hours of exposure, the females were dissected and examined to determine whether they had mated successfully or not. Mating rate in control plot was about 80% and a reduction of the mating rate was proportional to the amount of the pheromone used. Mating was completely inhibited at the dosage of 100μg per flask. In the hourly observation of a number of mating pairs, there was a delay in mating of about 30min. following the treatments of 0.1μg and 1.0μg as compared with those in the untreated plot.

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