采取综合措施防治蚕豆茎枯病祥云县农业技术推广所６７２１００刘春寿蚕豆茎枯病是一种细菌性病害。病害成因较为复杂。就祥云县高海拔（２０００米左右）地区而言，发病期多在冬末春初，发病田一般是地势低洼，土壤有机质含量少，质地粘重，缺钾及病菌残存，田间水、肥、... Adopt comprehensive measures to prevent and cure soybean bean stem blight Xiangyun Agricultural Technology Promotion Institute 672100 Liu Chunhou Broad bean stem blight is a bacterial disease. The cause of disease is more complicated. In terms of high altitude (about 2000 meters) in Xiangyun County, the onset period is mostly in the late winter and early spring. The onset of the disease field is generally low-lying, the content of organic matter in the soil is small, the texture is heavy, the potassium and bacteria remain, and water and fertilizer in the field are still present. ..