overwintering larvae中文，overwintering larvae的意思，overwintering larvae翻译及用法

2026-03-22 00:34 浏览次数 17

overwintering larvae

越冬幼虫

overwintering larvae 例句

英汉例句

  • the mortality of overwintering larvae in the bivoltine ecotype was approximately 15% higher than that of the univoltine ecotype.

    在越冬不同阶段抽样调查得出，一化性玉米螟的越冬死亡率低于二化性15％左右。

  • the results have shown that it is effective by spraying oil-smoke agent in the beginning of serous emerging year or using the beauveria bassiana to control the overwintering larvae in normal year.

    林间防治试验表明，在大发生初期采用油烟剂防治，在一般发生年份应用白僵菌防治越冬幼虫均有良好效果。

  • the results of studying for life table indicated the deaths of eggs and primary hatching larvae and diapause of overwintering larvae are key-factors of population change.

    通过生命表研究看出：卵、初孵幼虫死亡及越冬后滞育是种群变动的关键因子。

  • in low temperature the longer the time of treatment is, the lower the pupate rate of overwintering larvae is .

    一定的低温条件下，处理时间愈长，化蛹率愈低；

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