To the major natural enemies of apple like the Chrysopa, the aphid fly eats, the ladybug, the ichneumon wasp, the trapping and killing capacity is 208, 38 and 36 and 99 respectively.

对苹果园主要天敌如草蛉类、食蚜蝇类、瓢虫类和姬蜂类的诱集量分别为208头、38头、36头和99头。

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In this paper, the occurrence regulation of the apple woolly aphid was described, and one method of field trials was proposed by the Guidelines for the field efficacy trials.

本文介绍了苹果绵蚜的发生规律，并参照《田间药效试验准则》，提出了其田间药效试验方法。

youdao

In this paper, the occurrence regulation of the apple woolly aphid was described, and one method of field trials was proposed by the Guidelines for the field efficacy trials.

本文介绍了苹果绵蚜的发生规律，并参照《田间药效试验准则》，提出了其田间药效试验方法。

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