油菜是我县的主要油料作物之一，年均种植50～60万亩。但单产一直徘徊在75～100公斤。主要是油菜在生长期受菌核病危害所致。为预防菌核病，多年来用多菌灵、托布津、防霉宝等药剂进行预防，但终因药剂对病害的控制效果低，一直未能推广开。在以往试验示范的基础上，1994年我们 Rape is one of the main oil crops in our county, with an average annual planting of 50 to 60 million mu. However, yields have been hovering at 75 to 100 kg. Mainly rape in the growing season caused by Sclerotinia. For the prevention of Sclerotinia, over the years with carbendazim, Topiazurin, anti-mold Po and other agents for prevention, but the end result of the agent on the disease control effect is low, has been unable to promote open. On the basis of past experimental demonstration, we 1994