RESUMO
The virus isolates were collected from Brassica juncea Coss whose symptom was mosaic, stunt and distorted in Tongxiang and Haining, in Zhejiang province. The isolates could infect five identification hosts and produced different symptoms. The results of indirect ELISA test indicated that the specimens infected by Turnip mosaic virus (TuMV) accounted for 87.5% of the total . 73.08%and 65.48% of the total specimens were infected by Cucumber Mosaic Virus (CMV) and TuMV + CMV complex , respectively. All specimens didn' t infected by Tobacco mosaic virus (TMV) . There were 0. 7kb 和 0.85kb special stripe in 1 % agrose gel electrophoresis after immunocapture polymerase chain reaction (IC-RT-PCR) . All tests results indicated that TuMV, CMV and TuMV + CMV complex were the predominant causal viruses infecting Brassica juncea Coss in Zhejiang province.