弹状(rhadoform) 莴苣坏死黄脉病毒(CMV) Lettuce necrotic yellow virus L and P protelns G(glycoprotein) Upid bilaye 马铃薯黄矮病毒(TSWV) Potato yellow dwarf virus M(matrix protein) ()strand RNA genome N(nucleocapsid protein)弹状 (rhadoform) 莴苣坏死黄脉病毒(CMV) Lettuce necrotic yellow virus 马铃薯黄矮病毒(TSWV) Potato yellow dwarf virus