秋播大白菜软腐病的发生与防治

• 作 者: 郭超 宋忠献 朱颖艺 温丙林
• 机 构: 河南省汝州市农技推广中心,河南省汝州市农技推广中心,河南省汝州市农技推广中心,河南省汝州市农技推广中心 467500,467500,467500,467500
• 出 处: 农家参谋
• 发表日期: 1998年07期
• 关键词: 大白菜软腐病 大白菜病害 叶球 腥臭味 外叶 髓部 防治方法 结球期 病残组织 栽培防治

据调查,在秋播大白菜病害种类中,软腐病常年发生危害最重,损失最大。以下是该病的发生与防治方法,供农民朋友参考。 1.发病症状 大白菜软腐病根茎处多呈褐色腐烂,故称“烂疙瘩”。初病期,外叶中午萎蔫,早晚恢复,继而茎部腐烂,外叶瘫倒,露叶球,群众叫“脱大褂”;根髓部及叶球内变腐、粘稠,发出腥臭味,即所谓“烂脑”;干燥时,腐烂的叶片干枯呈薄膜状。

According to the survey, in the autumn sowing Chinese cabbage disease types, soft rot disease is most harmful and perennial, with the biggest loss. The following is the occurrence of the disease and prevention methods for farmers and friends for reference. 1. Symptoms of cabbage soft rot rot rhizome mostly brown rot, so called “rotten knot.” The early stage of disease, the outer leaves wilting at noon, sooner or later recovery, and then the stem decay, the outer leaves collapsed, lobular ball, the masses called “off gown”; root marrow and leaf ball rot, sticky, stench, The so-called “rotten brain”; dry, decayed leaves were thin dry film.