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大白菜软腐病是一种世界各地普遍发生的病害,是大白菜包心后的重要病害之一,我国凡栽培大白菜的地区都有发生。 一、症状 成株期易感本病,中午时外部叶片萎蔫,形成“脱帮”现象,发病从根部向上扩展造成腐烂,从伤口开始,初呈浸润状,半透明后发展成水渍状,表皮下陷,上
Chinese cabbage soft rot disease is a common disease in many parts of the world and is one of the most important diseases of Chinese cabbage. Every area in our country where cabbage is cultivated has occurred. First, the symptoms of adult susceptible to the disease, noon when the external leaves wilting, the formation of “help off” phenomenon, the disease spread upward from the root cause rot, starting from the wound, the initial infiltration, after translucent development into water-like, Epidermal subsidence, on