我县位于黔北高原中部,油菜菌核病是油菜生产上的主要病害。1986年全县发病减产面积达10万亩以上,占种植面积的70%,因病害减产菜籽150万公斤以上。为了摸清病害的发生规律,我们自1981年以来进行了广泛的调查研究,并于1986～1987年在重发病地区旺草镇开展防治技术的研究,取得了较好的防治效果,病害得到控制。全镇1987年5300亩油菜,收菜籽57.5万 My county is located in the middle of northern Guizhou Plateau, rape sclerotinia is the main disease on rapeseed production. In 1986 the county incidence of less than 100,000 acres of area, accounting for 70% of the planting area, reduced production of more than 1.5 million kilograms of rapeseed due to disease. In order to find out the law of occurrence of diseases, we conducted a wide range of investigations and studies since 1981, and conducted research on prevention and treatment techniques in the wangcao town in the reclamation area from 1986 to 1987, which achieved good prevention and control and disease control . The town of 5300 acres of rapeseed in 1987, received 575,000 rapeseed