大白菜软腐病又叫“腐烂病”、“烂疙瘩”、“脱帮”等,是大白菜的三大病害之一。此病多在莲座期至包心期发生。发病初期植株外叶在烈日下萎垂,早晚恢复,随病情的发展,整株萎蔫,造成脱帮、叶球外露、叶 Chinese cabbage soft rot is also called “rot disease”, “rotten pimple”, “help off” and so on, is one of the three major diseases of Chinese cabbage. This disease occurs mostly in rosette period to pericardium. In the early stages of disease, the outer leaves of plants fall down in the hot day and recover sooner or later. As the disease progresses, the whole plant wilts and leaves the leaves exposed and leaves