姜腐烂病又叫姜瘟,是生姜的主要病害。发病后一般减产20～40％,重者达70～80％,甚至无收。成都市自1973年发生此病后,逐年加重,流行危害,造成生姜面积和产量大幅度下降,无收面积达30％以上,不仅无商品姜收购和供应,连医药用姜和保种都成了严重问题。我们于1979～1981年进行了姜腐烂病的试验研究,确定了致病细菌;基本摸清了发生和流行规律,制定了综合防治措施。1980年在金堂县2,138亩面积上应用推广,有效地控制了病害的发生和流行,使全县平均单产由1978年的1,114斤提高到1,835 Ginger rot, also known as ginger blast, is the main disease of ginger. After the onset of general reduction of 20 to 40%, severe cases of up to 70 to 80%, or no income. After the occurrence of the disease in 1973 in Chengdu, the epidemic has been increasing year by year. As a result, the area and output of ginger have dropped drastically and the confiscated area has reached over 30%. Not only is there no purchase or supply of commercial ginger, problem. We conducted a pilot study on ginger rot from 1979 to 1981, identified the pathogenic bacteria, basically found out the occurrence and epidemic rules, and formulated comprehensive prevention and control measures. In 1980, Jintang County, 2,138 acres of area to promote the application of the disease effectively control the occurrence and prevalence of the county average yield increased from 1,114 catties in 1978 to 1,835