秋延迟大棚黄瓜的种植，缓解了蔬菜淡季供应不足的矛盾，丰富了人们的菜蓝子。但在种植过程中病害发生非常严重，若不会识别与防治，会使黄瓜产量及品质大幅度降低。现将大棚黄瓜几种常见病害的识别与防治技术介绍如下。１．黄瓜霜霉病　主要为害中部叶片，一般在上午８∶００ Autumn cucumber greenhouse planting delayed, eased the contradiction between the lack of supply of vegetables in the off-season, enriching people’s vegetables. However, the disease occurred during the planting is very serious, if not identify and control, cucumber yield and quality will be significantly reduced. Greenhouse cucumber now several common disease identification and prevention techniques are as follows. 1. Cucumber downy mildew is mainly harmful to the central leaves, usually at 8:00 in the morning