霜霉病是冬季温室黄瓜发生普遍,危害最重的一种真菌病害,潜育期短,流行性强,黄瓜染病后造成大量叶片枯死,轻者减产20～30％,重者刚结瓜即全株叶片枯死,导致提前拔秧,给广大菜农带来巨大经济损失。笔者结合自身经验,将在生产实践中摸索出的综合防治温室黄瓜霜霉病的几种方法介绍如下: Downy mildew is a common winter greenhouse cucumber, the most damaging of a fungal disease, the incubation period is short, epidemic, cucumber disease caused a large number of leaves died, the light reduction of 20 to 30% Withered leaves of the whole plant, leading to early rice seedling, to the vast number of farmers brought huge economic losses. The author combined his own experience, will be found in the production practice to prevent greenhouse cucumber downy mildew several methods are described below: