白菜软腐病又叫“烂疙瘩”、“脱帮”,是白菜三大病害之一,在田间、储藏或市场上都可以见到这种病而引起的腐烂现象。此病细菌还可以侵染番茄、辣椒、黄瓜等。症状:白菜软腐病苗期就发生,但多数在包心期开始。初期植株外部叶片表现萎蔫,早晨和晚间可以恢复。以后,外部叶片下垂露出叶球,叶柄基部和根部茎处心髓组织腐烂,充满灰黄色粘稠物,并有腥臭味。有些病株从基部逐渐向上蔓延,引起全株腐烂;有些从心叶顶端或外部叶迅速失水呈薄纸状。 Cabbage soft rot, also known as “rotten knot”, “off help” is one of the three major diseases cabbage in the field, storage or market can see the disease caused by the decay. The disease can also infect bacteria, tomatoes, peppers, cucumbers and so on. Symptoms: cabbage soft rot disease occurs at seedling stage, but most of the beginning of pericardium. The initial appearance of external leaves of plants wilting, morning and evening can be restored. Later, the external leaves hanging out lobular leaves, petioles at the base and root stem Department of myeloid tissue rotten, filled with gray-yellow viscous material, and a stench. Some strains gradually spread upward from the base, causing the entire plant decay; some from the top of the leaf or the rapid loss of outer leaves were thin paper-like.