CTV isolate S051, S052 were close to the mild CTV strainsT30, T385, and PB61, according to the results of p25/Hinf 1 RFLP,BD-PCR assay and the p23, p25 sequence analyses.

• 在p25/Hinfl RFLP分析、p23/BD-PCR鉴定以及p23、p25两个基因的序列分析中,CTV分离株S051、S052与弱毒株PB61、T30、T385的表现相应一致,并且在指示植物鉴定中表现为弱毒CTV侵染特征。