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为了筛选出合适的防治黄瓜霜霉病的药剂,进行了田间药效对比试验。结果表明,56%百菌.烯酰WP 2400 g/hm2效果较好,药后第10天防治效果达91.6%,增产率达83.8%。
In order to screen out the appropriate cucumber downy mildew agents, the field efficacy comparison test. The results showed that 56% chlorothalonil and dimethoate WP 2400 g / hm2 had a good effect, and the control effect reached 91.6% and the yield increase rate reached 83.8% on the 10th day after treatment.