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霜霉病是黄瓜生产上主要的病害。目前防治黄瓜霜霉病使用的药剂主要有:25%瑞毒霉可湿性粉剂1000—2000倍液,40%乙磷铝可湿
Downy mildew is a major disease in cucumber production. At present, the cucumber downy mildew prevention and treatment of the use of the main agents are: 25% Riesch mold WP 1000-2000 times, 40% phosphorus aluminum can be wet