Viruses were identified by differential hosts,serological assays(ELISA or DIBA)and electronmicroscopy of ISEM.TMV,PVY,CMV,TRV,TSWV and TMV-Y were foundisolately or complicatedly.

• 经鉴别寄主测定，抗血清反应（板式酶联法或斑点酶联法）及电镜或免疫电镜观察，有TMV（43．4%25），PVY（17．8%25），CMV（3．9%25），TRV（0．8%25），TSWV等病毒，TMV与PVY混合侵染的占10．1%25，PVY与其它病毒混合侵染的占11．6%25，另有5个标样为马铃薯Y病毒组成员，10个为未知。