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在湖北省十堰市烤烟区开展烟草病毒病调查,结果发现,该地区病毒病发生普遍,发生与气候、前作、生育阶段关系密切。病毒种类主要有TMV、CMV、PVX、PVY、TEV、TRSV 6种,其中TMV、CMV、PVX检出率最高,病害以复合侵染为主,占58.11%。病源有带毒蚜虫、土壤中的病残体、染病杂草、带毒烟苗,传播方式主要为机械和蚜虫传播。试验表明轮作可以有效降低发病率。在调查和试验的基础上提出了综合防治措施。
Tobacco virus disease investigation in flue-cured tobacco area in Shiyan City, Hubei Province showed that the occurrence of virus disease in this area was widespread and the occurrence was closely related to the climate, pre-production and birth stages. The main types of viruses were TMV, CMV, PVX, PVY, TEV and TRSV. Among them, the detection rates of TMV, CMV and PVX were the highest, and the diseases were mainly composed of composite infection, accounting for 58.11%. Aphids infected with aphids, the soil in the sick, sick weeds, with poisonous tobacco, mainly for the spread of mechanical and aphid transmission. Experiments show that rotation can effectively reduce the incidence. Based on the investigation and test, comprehensive prevention and control measures are put forward.