豆科植物病毒病,在全国各地均有发生,近年来,呈加重趋势,春、夏播的大豆及菜用的豇豆、毛豆、扁豆、豌豆、蚕豆等都有零星或大面积发生、受害程度轻重不一,一般减产30%左右,严重影响豆科植物的品质、产量和商品价值。一、发生规律豆科植物病毒病多半是由豆类花叶病毒侵染发病, Leguminous plant virus disease occurs in all parts of the country. In recent years, the trend is aggravating. The spring and summer sowing of soybean and vegetable cowpea, soybean, lentils, peas, beans and other sporadic or large-scale occurrence, the degree of victimization Varying in severity, the general reduction of about 30%, seriously affecting the quality of legumes, yield and commodity value. First, the law Occurrence of legume virus disease is mostly caused by the infection of legume mosaic virus,