南阳市甘薯病毒病调查与病原血清学鉴定

Investigation of Sweet Potato Virosis and Identification of Pathogenic Serology in Nanyang City

普查了南阳市 13县 (市、区 )甘薯病毒病的发生情况 ,以甘薯叶片作样本 ,采用NCM -ELISA方法检测病害样品 2 2 14个。结果表明 ,甘薯病毒病病田率达 10 0 % ,品种发病率 10 0 % ,未脱毒甘薯田病株率平均为 75 .9% ,脱毒甘薯田平均病株率 12 .1% ;初步认定南阳市甘薯病毒病病原至少有 6种 ,即SPFMV、SPLV、SPCFV、SPMMV、C - 6、C - 8。以SPFMV和SPLV为主。

The general survey of sweet potato virosis was carried out in 13 counties of Nanyang city and 2214 specimens of this disease were detected by NCM-ELISA. The results show that for cultivated plots and strains, the incidence of sweet potato virosis is 100% and disease plants of non virus free and that of virus free are 75.9% and 12.1%,resp..About 6 pathogenic virosis of this disease were identified,including SPFMV,SPLV,SPCFV,SPMMV,C-6,C-8.