猝倒病俗称“卡脖子”、“小脚瘟”等,是茄子、黄瓜、番茄、辣椒、甘蓝、洋葱和芹菜等蔬菜苗期的主要病害。各地冬春季育苗棚室发生较多,以育地苗方式的苗床最常见。严重时幼苗成片倒伏死亡,甚至全部毁苗,延误农时。 猝倒病多发生在发芽出土期、籽苗期和小苗期。出土前染病,造成烂种烂芽;幼苗期发病,先在茎基部产生淡褐色水渍状病斑,绕茎扩展后,病部缢缩 Damping disease known as “card neck”, “small foot plague” and so on, is eggplant, cucumber, tomato, pepper, cabbage, onion and celery vegetables and other seedlings of the main diseases. Winter and spring around the greenhouse nursery occurred more room to nursery stocking the most common way. Serious seedlings into pieces lodging death, and even destroyed all seedlings, delay farming time. Cataplexy disease occurred in germination period, seedling and seedling stage. Unearthed before the disease, resulting in rotten rotten buds; seedling incidence, first in the base of the stem light brown water stain-like lesions around the stem expansion, the Department of constriction