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一、吊瓜蔓枯病1.识别特征蔓上病斑呈椭圆形,灰褐色边缘褐色,后期溢出胶质物。叶片上病斑近圆形。灰褐色,有少量轮纹,上生许多小黑点,同时叶片在阳光下出现萎缩。2.防治技术入冬前清除病株残体,集中处理,以减少田间侵染源。发病前期喷洒50%多菌灵可湿性粉剂、40%杜邦福星乳油和无毒高脂膜。也可用高浓度的多菌灵、代森锰锌、百菌清、波尔多液涂茎。二、吊瓜白粉病
First, the hanging gourd leaf blight 1. Identification features spread on the lesion oval, brown edge brown, late overflow spill. Leaf spot on the nearly circular. Taupe, a small amount of wheel pattern, a lot of small black spots, at the same time the leaves appear in the sun shrunk. 2. Prevention and control technology Removal of diseased plant debris before winter, centralized treatment to reduce the field of infection. Pre-emergence spraying 50% carbendazim WP, 40% DuPont Fuxing EC and non-toxic high-fat film. Can also be used in high concentrations of carbendazim, mancozeb, chlorothalonil, Bordeaux liquid coating stem. Second, hanging melon powdery mildew