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1978-1979年初步调查了山东、四川、辽宁、吉林和黑龙江5省烟区的烟草病毒类型,鉴定烟草病毒病样本354个的结果表明:黄瓜花叶病毒(CMV)在山东、四川、辽宁发生普遍而又严重,发病率30-50%,重者达90%以上,烟草花叶病毒(TMV)分布虽然普遍,但仅在吉林、黑龙江发生严重,发病率25-40%,重者达70%以上。东北烟区还有 TLCV 发生。此外,尚有归属不明的病毒正在研究中。一、鉴定方法和结果 1978年5-8月,调查了山东省益都、临朐、潍县、昌乐、寿光、安邱、诸城、滕县及
From 1978 to 1979, the types of tobacco viruses in five tobacco provinces of Shandong, Sichuan, Liaoning, Jilin and Heilongjiang provinces were investigated preliminarily. The results of the identification of 354 samples of tobacco virus showed that cucumber mosaic virus (CMV) occurred in Shandong, Sichuan and Liaoning Provinces Common and serious, the incidence of 30-50%, severe cases of more than 90%, although the distribution of tobacco mosaic virus (TMV) is widespread, but only in Jilin, Heilongjiang serious incidence of 25-40%, severe cases of up to 70 %the above. There TLCT Northeast Tobacco occurs. In addition, there are still unknown attribution of the virus is being studied. I. Methods and Results of Identification In May-August of 1978, the author investigated the effects of Yidu, Linqu, Weixian, Changle, Shouguang, Anqiu, Zhucheng, Tengxian and