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１９９７年，在对山东烟区各主要产烟县进行烟叶田间标样的烟草病毒病毒原鉴定中发现有烟草环斑病毒（ＴＲＳＶ）的发生，现简报如下：１材料与方法１．１将采集的烟叶标样用人工摩擦方法，接种到普通烟栽培品种ＮＣ８９（Ｎｉｃｏｔｉａｎａｔａｂａｃｕｍｃｖ．ＮＣ８９...
In 1997, the major tobacco producing areas in Shandong Tobacco Tobacco field standard samples of tobacco virus virus identified in the initial identification of tobacco ring spot virus (TRSV) occurred, are as follows: 1 Materials and methods 1.1 will be collected Of the tobacco standard sample with artificial friction method, inoculated to ordinary tobacco cultivars NC89 (Nicotianatabacumcv.