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在隔离环境中，按植物病毒学的标准程序，测试云南烟草丛枝症病害的传染途径，结果表明：云南烟草丛枝症病害具有广泛的传染途径，可以通过机械传染（嫁接、摩擦）和介体传染（菟丝子、蚜虫、烟盲蝽、叶蝉）等方式传播．
In isolated environment, according to the standard procedure of plant virology, the pathways of tobacco bush witches ’disease in Yunnan were tested. The results showed that the disease of tobacco bush witches’ bush in Yunnan Province had a wide range of routes of infection, which could be transmitted through mechanical infection (grafting, friction) Body infections (dodder, aphids, tobacco bug, leafhopper) and other means of transmission.