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鉴于一般杀虫剂防治茄子红蜘蛛和二十八星瓢虫效果较低1998年河南省偃师市植检站进行了虫螨克防治茄子红蜘蛛及二十八星瓢虫的药效试验方法为667 (亩)用1.8% 虫螨克2000倍液进行叶面喷雾3~4天后进行调查证明对以上两种害虫防治效果均达95% ~1
In view of the general insecticide control Eggplant red spider and twenty-eight Ladybug effect is low Yanshi City, Henan Province, in 1998 Yicheng City plant pest mite grams of control efficacy of spider mite and twenty-eight lady ladybug method 667 (mu) with 1.8% pest mite grams of 2000 times the foliar spray 3 ~ 4 days after the investigation showed that on both pests control effect of up to 95% ~ 1