• 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。

    youdao

  • 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。

    youdao

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