The tobacco may be infected by PVY and CMV coinstantaneous.
PVY和CMV等病毒可以对烟株进行复合侵染。
The vitro characteristics of PVY in Henan Province were studied by biological methods.
用生物学方法研究了河南烟草马铃薯Y病毒(PVY)的体外特性。
Two year's serological detection indicated that PVY and TMV were the most prevalent viruses in Mengyin.
通过两年的血清学检测，证明pvy和TMV是蒙阴烟区的主要病毒病毒。
Simultaneously the complex infection of Potato virus Y(PVY)and Cucumber mosaic virus(CMV)is also a crucial problem to be resolved at present.
同时，黄瓜花叶病毒（CMV）和马铃薯Y病毒（PVY）的复合侵染也是当前生产上亟待解决的主要问题。
The main species of tobacco virus spread by aphids in Shaanxi included cucumber mosaic virus (CMV), tobacco etch virus (TEV) and potato Y virus (PVY);
烟草蚜传病毒病的主要类群有烟草黄瓜花叶病毒（CMV）、烟草蚀纹病毒（TEV）、马铃薯Y病毒（PVY）。
Based on the weather data from 1996 to 2002, the correlation equation between disease index of potato virus Y (PVY) and the temperature and rainfall was established.
根据1996 ~ 2002年有关气象因素的数据，建立了气温、降水量与PVY病情指数的相关方程。
Based on the weather data from 1996 to 2002, the correlation equation between disease index of potato virus Y (PVY) and the temperature and rainfall was established.
根据1996 ~ 2002年有关气象因素的数据，建立了气温、降水量与PVY病情指数的相关方程。
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