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大白菜软腐病是大白菜生产中的一种主要病害,此病危害期长,在田间、贮藏期及市场销售时都会引起腐烂,严重地影响了菜农经济效益和城市居民蔬菜供应一、大白菜软腐病发病症状田间植株发病时,病害多从莲座末期开始发生,初期多数在第3至第12片叶的叶柄上发生,发病处呈水渍状微黄色病斑,逐渐扩大呈淡黄色或黄褐色而腐烂,发生恶臭气味,然后通过维管束迅速蔓延至茎部和根部,从而引起其它叶片或全株发病、病害初期,外叶中午萎蔫,早晚恢
Chinese cabbage soft rot disease is a major disease in Chinese cabbage production. The disease has a long period of danger. It causes decay in the field, storage period and marketing. It has seriously affected the economic benefits of vegetable growers and the vegetable supply of urban residents. Symptoms of cabbage soft rot disease Occurrence of field plants, disease mostly from the rosette began, the majority of early in the third to the twelfth leaf petiole occurs at the incidence of water-like yellowish lesion, and gradually expanded pale yellow Or brown and decay, the foul smell, and then spread rapidly through the vascular bundle to the stems and roots, causing the onset of other leaves or whole plant, disease early, outer leaves wilting at noon, sooner or later restore