油菜盛花和终花期用多菌灵或甲基托布津防治2次,对菌核病有良好的防治效果。但这一措施只适合有机动喷雾器的单位使用,而盛花后油菜枝叉交错,农家手动喷雾器不能进田难以推广。1990、1991年我们在总结群众经验的基础上,从两条途径解决油菜盛花后因封行不能进田喷药的问题:(1)用机动弥雾机站在田埂上,向田内喷50％多菌灵100 Rape flowers and the final flowering with carbendazim or thiophanate-methyl prevention and control of 2 times, sclerotinia have a good control effect. However, this measure is only suitable for the use of a unit with a movable sprayer, and after the full flowering rape twigs staggered, farmer manual sprayer can not enter the field is difficult to promote. In 1990 and 1991, on the basis of summing up the masses’ experience, we solved the problem that the seal bank could not enter the field because of the prosperous flowering of rapeseed from two ways: (1) Carbendazim 100