...词：玫烟色棒束孢，小菜蛾幼虫，酚氧化酶，抗氧化酶 [gap=1522]Key words: Isaria fumosorosea, larvae of Plutella xylostella, phenoloxidase, antioxidative enzymes ...
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The extracts of acetone and petroleum ether had no effect to the hatching rate and egg development duration, but they were toxic to the newly hatched larvae of Plutella xylostella.
丙酮和石油醚提取物对小菜蛾卵的孵化及卵的发育历期没有影响，但有增加初孵幼虫死亡率的作用。
The indices of aggregation indicate that the larvae and pupae of plutella xylostella present aggregated distribution in the field.
聚集度指标检验结果显示，幼虫、蛹在田间呈聚集分布。
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