白菜细菌性斑点病包括细菌性角斑病和细菌性黑斑病,为细菌病害。该病主要侵染白菜,也可侵染萝卜、甘蓝、花椰菜、芜菁和油菜等十字花科蔬菜,以危害外叶为主,给叶片造成伤害并影响光合作用。病情严重时,大量病斑干枯穿孔并连成片,使叶片丧失功能,对白菜的产量和质量影响很大。一、为害症状发病初期叶缘和叶面上出现水浸状病斑,逐渐变成淡褐色或黑褐色 Bacterial bacterial blooms include bacterial angular leaf spot and bacterial black spot, which are bacterial diseases. The disease mainly infects cabbage, but also infects cruciferous vegetables such as radish, cabbage, cauliflower, turnip and rape to harm the outer leaves and damage the leaves and affect photosynthesis. Serious illness, a large number of lesions dry perforation and even into a film, the loss of function of leaves, cabbage yield and quality of great influence. First, the symptoms of early onset leaves edge and foliage appear flooded lesions, gradually turned into a light brown or dark brown