论文部分内容阅读
美国白蛾幼虫在浅表土层化蛹,使用旋耕机进行了土壤翻耕杀灭蛹试验,试验前后蛹密度降低了92.4%以上,第3代幼虫密度比上代降低了87.0%,试验证明土壤翻耕是一种有效防治方法。
The American white moth larvae in the superficial layer of the pupal, the use of rotary tillage machine tilling the soil to kill the pupa test before and after the pupal density was reduced by 92.4%, the third generation larval density was 87.0% lower than the previous generation, the test proved that soil Plowing is an effective control method.