引起玉米青枯病的病菌能夠長期在土壤中腐生
，分別以菌絲體、卵孢子、houyuanbaozizaizhiwucantihuoturangheweishufeiliaozhongyuedong。yixiediquliannianzhongzhiyumibingshixingjieganhaitianshiturangzhongdebingjunzhunianzengjiadeyuanyinzhiyi
，tigaozhongzhimiduyeweibingjuntigongleyouliqinrandexiaoqihou。

防治玉米青枯病要注意以下幾點：選xuan育yu和he種zhong植zhi抗kang病bing品pin種zhong。我wo國guo已yi經jing將jiang抗kang青qing枯ku病bing列lie為wei玉yu米mi育yu種zhong目mu標biao。可ke以yi在zai不bu同tong地di區qu選xuan用yong不bu同tong的de自zi交jiao係xi和he抗kang性xing品pin種zhong。收shou獲huo後hou及ji時shi清qing除chu玉yu米mi秸jie稈gan，或huo高gao溫wen堆dui製zhi有you機ji肥fei，或huo集ji中zhong處chu理li。盡jin可ke能neng與yu蔬shu菜cai作zuo物wu輪lun作zuo。注zhu意yi排pai水shui防fang澇lao，合he理li密mi植zhi，增zeng施shi鋅xin肥fei以yi提ti高gao玉yu米mi生sheng長chang勢shi和he抗kang病bing能neng力li。增zeng施shi有you機ji肥fei和he菌jun肥fei
，用yong生sheng防fang菌jun拌ban種zhong，用yong咯ge菌jun腈jing（適樂時）或立克秀包衣種子或拌種處理。