The trial also showed both insecticides had good effects on larvae in breeding-ground, and the positive rate of larvae in breeding-ground gradually reduced as the time went on.

  • 2种杀虫剂对白纹伊蚊幼虫的孳生地具有良好的控制作用,经趋势检验,两种杀虫剂的P值均小于001,表明幼虫孳生阳性率随时间逐渐降低,效果显著。

  • 互联网摘选 2026-07-02 13:35:43

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