黄瓜霜霉病是黄瓜最主要的病害,特别在广东省早造蔬菜生产中,霜霉病严重为害黄瓜。霜霉病不仅发生的面积大,常年发生面积可达20多万公顷次,而且发生程度严重,对黄瓜的生长和产量影响很大。由于代森锰锌用于防治霜霉病的时间较长,2003年在东莞市开展酰吗啉·代森锰锌防治黄瓜霜 Cucumber downy mildew is the most important disease cucumber, especially in Guangdong Province early vegetable production, downy mildew seriously cucumber damage. Downy mildew not only occurred in large area, perennial occurred up to an area of ​​up to 200,000 hectares times, and the degree of serious, cucumber growth and yield significant impact. As mancozeb used to control downy mildew for a long time, in 2003 in Dongguan City, acylamido · mancozeb control cucumber cream