采用田间小区试验，在人工接菌条件下，以井冈霉素为防治药剂，进行不同防治时期和次数的处理，研究对玉米纹枯病的防治效果。评价为：在拨节期＋ 抽雄期各施一次药＞ 拨节期防治＞ 抽雄期防治＞ 吐丝期防治＞ 蔫丝期防治。防治的适期应掌握在病害进入盛发期前，受害叶鞘位较低（ 不超过第８ 叶鞘位）时进行。 Using field plot test, under the conditions of artificial inoculation, with validamycin as the control agent, different control periods and times were dealt with to study the control effect on sheath blight of corn. Evaluation: In the dial-up period + tasseled every application of a drug> dial-dial prevention and control> tasseling prevention and control> silking prevention and control> prevention and cure of silk. Prevention and control of the appropriate period should be mastered in the disease into the flourishing period, the lower the affected leaf sheath (no more than 8 leaf sheath position).