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蚕豆赤斑病在国内分布很广,尤以长江流域各省发病严重。赤斑病在我县不但危害重,而且流行频率高,在1973～1985年13年中,病害大发生的有5年,偏重和中等程度发生的有6年,轻发生的仅2年。因此,做好赤斑病的防治工作,是确保蚕豆稳产高产的十项重要措施。我站从1973～1985年,对蚕豆赤斑病进行了系统观察和药剂防治试验,现将试验工作总结如下。
Vicia faba is widely distributed in China, especially in the provinces of the Yangtze River valley. Red spot is not only harmful to my county, but also has a high frequency of epidemic. In the 13 years from 1973 to 1985, the disease occurred for 5 years, moderately and moderately for 6 years and mildly for 2 years. Therefore, to do a good job in the prevention and treatment of red spot is to ensure stable and high yield of broad bean ten important measures. I station from 1973 to 1985, the broad bean red spot disease were observed and drug control experiments, the test work is summarized as follows.