近年来,我市生姜种植面积逐年增大,已成为当地农民增收的主要手段,但据笔者调查,姜瘟病在我市生姜种植区普遍发生,发病地块轻者减产10%—20%,重者可达50%以上,尤其是雨水较多的年份,对生姜危害更加严重,给种姜农户造成巨大损失,严重威胁着我市生姜的生产和发展。一、症状姜瘟病即姜腐烂病、姜青枯病,植株受病菌侵染后,叶片最初表现为下垂无光泽,后由下而上变为枯黄色,叶缘卷缩最终枯死;茎部受害,先是基部呈水浸状,然后变黄,待叶片全部凋萎枯 In recent years, the city ginger planting area increases year by year, has become the main means of increasing the income of local farmers, but according to the author’s survey, ginger blast occurred in ginger growing areas in our city, the incidence of light production reduced 10% -20%, weight Up to more than 50%, especially in the years with more rain, more serious damage to ginger, Ginger farmers to cause huge losses, a serious threat to the city’s ginger production and development. First, the symptoms of ginger blast that ginger disease, ginger bacterial wilt, the plant infected by bacteria, the initial performance of the leaves droop dull, then turned yellow from the bottom up, leaf margin crimp eventually dead; stem damage , First basal is flooded, and then turn yellow until the leaves withered withered