绵竹县拱星乡地处沿山,气候冷凉,是我县油菜菌核病重发区。近年来随着菌源量增加,病害逐年加重,病株率由1981年的7.8％,上升到1984年的76.5％,油菜单产1983年222斤,1984年下降到118斤。为了减轻菌核病的危害,1985年我们在该乡进行了油菜菌核病综合防治试点,取得了初步成效,据全乡6个点,78块田,145亩油菜田抽样调查,1985年全乡共9,868亩 Arch Township, Mianzhu County is located along the mountain, cold climate, is my county sclerotinia re-emergence. In recent years, with the increase of bacterial sources, the diseases have been increasing year by year. The rate of diseased plants increased from 7.8% in 1981 to 76.5% in 1984, while the yield of rapeseed oil dropped from 222 kg in 1983 to 118 kg in 1984. In order to reduce the scab of the sclerotinia disease, in 1985 we conducted a comprehensive pilot prevention and treatment of sclerotinia sclerotinia, and achieved initial success, according to the township 6 points, 78 fields, 145 acres of rape field sampling survey, 1985 Township a total of 9,868 acres