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近几年,植物菌核病对内蒙古呼伦贝尔盟农作物危害逐年加重,其危害的植物种类已由向日葵扩大到大豆、油菜及蔬菜等十七种作物和十几种杂草,其传染区域已波及全盟所有的农作物种植区,对该地区农业生产已构成严重威胁。该盟自1980年以来,由于向日葵面积逐年急剧增加;种植比例以及耕作制度不合理,1984年向日葵菌核病发病率为59.8％,1985年发病率为50.1％两年共损失向日葵八千八百二十四万斤,折合三千二百六十四万
In recent years, sclerotinia has made the crop of Hulun Buir League in Inner Mongolia worsened year by year. Its harmful plant species have been expanded from sunflower to seventeen kinds of crops such as soybean, rape and vegetables and dozens of weeds, All agricultural planting areas in the Union pose a serious threat to agricultural production in the area. The Union since 1980, due to a sharp increase year by year area of sunflowers; planting proportion and farming system is unreasonable, the incidence of sunflower sclerotinia in 1984 was 59.8%, the incidence of 50.1% in 1985 two years, a total loss of 8,800 sunflowers 240,000 pounds, equivalent to 32,640,000