黄瓜霜霉病采取生态综合防治措施，可收到良好效果。一、高温网棚。选晴天中午密闭大棚，棚内在闷棚前1天浇足水，使温度迅速升至45℃，保持2小时后放风降温。由于病害在高温下不能对黄瓜形成危害，闷棚1次，可控制病情8一12天。二、升温降湿。提高棚内地温和降低棚内湿度．利? Cucumber downy mildew to take ecological integrated control measures, can receive good results. First, the high temperature shed. Select sunny noon closed greenhouse shed in the shed one day before the stuffy enough water, so that the temperature rose rapidly to 45 ℃, to keep the wind cooling after 2 hours. As the disease can not be harmful to the cucumber at high temperatures, boring shed 1, 8 to 12 days to control the disease. Second, heating and humidity. Improve the greenhouse temperature and reduce greenhouse humidity. Lee?