Possible amplification of insecticide hormoligosis from resistance in the diamondback moth, Plutella xylostella (Lepidoptera: Yponomeutidae).
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概要
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The possibility that insecticide hormoligosis might be amplified by resistance in the diamondback moth, Plutella xylostella, was tested. The fecundity of females treated with sublethal doses (LD<SUB>12.5</SUB> LD<SUB>25</SUB> and LD<SUB>50</SUB>) of fenvalerate or methomyl in the non-selected generation increased in comparison with the control group treated with acetone. The number of eggs laid by treated females in the 10th generation of the fenvalerate-selected strain, which had developed about 10, 000-fold resistance, was the same or smaller than that of the control. On the other hand, fecundity in the 8th generation of the methomyl-selected strain, which had about 4.9-fold resistance, was slightly higher in the LD<SUB>12.5</SUB> and LD<SUB>25</SUB> than that of control. The intensity of insecticide hormoligosis did not depend on the dose of the insecticide although a sublethal dose of the insecticides stimulated reproduction in the susceptible DBM. Furthermore, the hormoligosis was not amplified in concert with the development of resistance in the DBM.
- 日本応用動物昆虫学会の論文
日本応用動物昆虫学会 | 論文
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