我区蔬菜苗期病害主要有猝倒病、立枯病、沤根病。前两种是真菌侵染。后一种是苗床管理不当引起的生理病害。猝倒病又称绵腐病、卡脖子。病菌寄生范围很广,为害黄瓜、茄子、番茄、辣椒、菠菜、莴苣、芹菜、洋葱和十字花科、豆科等蔬菜幼苗和瓜类、茄子、番茄、辣椒的果实。立枯病又称死苗病。病菌寄主160余 Vegetable seedling diseases in our district are mainly damping-off disease, damping-off disease, Eupatorium root disease. The first two are fungal infections. The latter is caused by improper seedbed management of physiological diseases. Damp down disease, also known as cotton rot, neck card. Germs parasitic range, damage cucumber, eggplant, tomatoes, peppers, spinach, lettuce, celery, onion and cruciferous, legumes and other vegetable seedlings and melons, eggplant, tomato, pepper fruit. Blight also called dead seedlings disease. More than 160 host bacteria