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霜霉病是危害我市蔬菜的主要病害 ,以黄瓜霜霉病危害最重 ,过去主要使用甲霜灵、百菌清进行防治 ,由于长期使用 ,药效逐年下降 ,成本逐年增加 ,为寻找防效理想的药剂取代上述药剂 ,我们进行了 1 8%百菌清·霜脲氰悬浮剂防治黄瓜霜霉试验 ,现将试验结果总结如下。1 试验条件1 .
Downy mildew is a major disease that endangers the vegetables in our city. The cucumber downy mildew is hardest hit. In the past, metalaxyl and chlorothalonil were mainly used for prevention and treatment. Due to long-term use, the efficacy decreased year by year, and the cost was increasing year by year. Effective agents to replace the above-mentioned agents, we conducted a chlorothalonil 1 ~ 8 cream control cucumber downy mildew test, the test results are summarized below. 1 test conditions 1.