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防治棚室瓜类蔬菜白粉病,除用抗病品种、配合良好的栽培管理措施外,喷洒药剂是主要防治方法之一。药剂防治重点在零星发生时期,防治白粉病的有效药剂较多,若在发病初喷药,可基本控制蔓延。但有些黄瓜和甜瓜品种对硫制剂敏感,要注意用药浓度及避免在苗期和高温下使用。防治黄瓜白粉病可用40%福星乳油8000～10000倍液喷
Prevention and control of greenhouse vegetable powdery mildew, in addition to disease-resistant varieties, with good cultivation and management measures, spraying agents is one of the main control methods. Pharmacy prevention and control focus in a sporadic period, the prevention and control of powdery mildew more effective agents, if the onset of spraying, can basically control the spread. However, some cucumber and melon varieties are sensitive to sulfur preparations, pay attention to drug concentration and avoid the use of seedling and high temperature. Control of cucumber powdery mildew available 40% Fuxing EC 8000 ~ 10000 times liquid spray