一、豇豆病毒病1．危害症状全株受害，主要表现在叶片上，受害部产生浓绿和淡绿色花叶状，叶片畸形，边缘向下卷曲。病株矮化，结荚少，豆粒产生黄绿色花斑，有些病株生长点枯死，或个别叶鞘坏死。2．发病规律主要由红豆蚜传花叶病毒、黄瓜花叶病毒及蚕豆萎蔫病毒等病毒侵染引 First, cowpea virus disease 1. Harmful symptoms of the whole plant damage, mainly in the leaves, victims produce thick green and light green mosaic, leaf deformity, the edge curled down. Dwarf diseased plants, less pods, beans produce yellow-green patchwork, some plants grow dead, or individual sheath necrosis. 2. The pathogenesis is mainly caused by the viruses such as aphid-transmitting mosaic virus, cucumber mosaic virus and broad bean wilt virus