The extract by petroleum ether has the slowest insecticidal effect, but the correct mortality of A. indiscriminate on the fifth day after the treatment could also reach 64.59 percent.
英
美
释义
石油醚提取物的毒杀效果最慢,但处理第5天后同安钮夜蛾的校正死亡率也能达到64.;59%25。
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