白菜软腐病又称腐烂病 ,俗称烂萌芦、烂疙瘩等 ,是一种严重的细菌性病害 ,全国各地发生普遍。大白菜受害时 ,首先在近地面的叶柄上呈水渍状 ,逐渐变为褐色。全叶腐烂 ,并向内蔓延至菜心 ;或从根髓先发病 ,再向内、向上蔓延 ,使包心内腐烂 ,病部腐败、粘稠 ,具腥臭味 ,严重时近 Cabbage soft rot, also known as rot disease, commonly known as rotten rotten rot, rotten knots, etc., is a serious bacterial disease that occurs throughout the country. Chinese cabbage victims, first in the ground near the petiole was water-like, gradually turned brown. Full leaf decay, and inward spread to the apricot heart; Or from the root of the first onset, and then inward, upward spread, so that the package heart decay, disease corruption, sticky, stench, when serious