泾县油菜苗核病发生较重，常年减产10～20％。自然情况下不同品种油菜苗核病发病程度有明显差异，为此，我们进行了油菜品种苗核病发病程度的比较试验，以期筛选出病轻高产的优良品种，作为泾县可推广的品种。1材料与方法1．1试验地点试验设在榔桥镇河西村，面积1400m2，土灌系 Jing County rape seedling occurrence heavier perennial cut 10 to 20%. Under natural conditions, there were significant differences in the incidence of numbing disease in different varieties of rapeseed. Therefore, we conducted comparative experiments on the incidence of numbera disease in the rapeseed cultivars, with a view to screening fine varieties with light and high yield, which can be promoted as varieties in Jingxian County. 1 Materials and Methods 1.1 Test Location Test is located in the town of West Village, Langqiao Town, an area of ​​1400m2, soil irrigation system