近来,应城有些公社和大队,发生了蚕豆立枯病。群跃大队迟播的100亩蚕豆,苗期患病率达10%,严重的达45%,若不迅速采取有效措施,将严重的影响今年夏收增产。 蚕豆发生立枯病的原因在那里呢?据群众反映主要是渍水的关系。如群跃大队100亩蚕豆,就是在去年11月中旬阴雨天播的。田间持水量过大,土地畺结,加之土质低劣,耕作 Recently, some communes and brigade in Yingcheng City have witnessed the blight of Vicia faba. Group musk brigade delayed broadcast of 100 acres of beans, seedling prevalence rate of 10%, a serious 45%, if not promptly take effective measures will seriously affect the summer harvest this year. Where is the cause of the damping-off disease in broad bean? According to the masses, it is mainly the relationship of waterlogging. Such as the mass group of 100 acres of horse beans, that is, in mid-November last year, rainy days broadcast. Field water capacity is too large, land knot, coupled with poor soil quality, farming