媒介昆虫是烟草病毒病的重要成因因子。
An important factor of resulting tobacco virus disease is insect vectors.
研究媒介昆虫与烟草病毒病二者之间的关系是有效控制烟草病毒病的基础。
The basis of controlling tobacco virus diseases effectively is to study the relationship between transmission insect vectors and tobacco virus disease.
炼苗期烟草苗床是传毒介体有翅蚜着落的靶子中心，是烟田蚜传病毒病的主要初侵染源，为防治烟草蚜传病毒病的关键时期。
During the tobacco hardening period bed of tobacco seedling was the falling target of alate aphids and was the main resource of tobacco virus spread by aphids.
不同诱导因子的研究结果表明，真菌、细菌和病毒都可诱导烟草对赤星病产生抗性。
The Study of the different inducers shows that fungi, bacteria and viruses can all be used to induce resistance to tobacco brown spot.
病毒病的发生，不仅造成烟草产量的损失，而且烟叶品质严重下降，经济损失占所有烟草病害造成损失的一半以上。
The occur of tobacco virus diseases not only cause the loss of tobacco production but also cause the serious drop of tobacco quality, economic loss occupy half of loss caused by tobacco disease.
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）。
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);
我们的烟草患番茄斑萎病毒的比例很低，由于这种病，我们的损失及质量的下降今年是最小的。
We have very low levels of tomato spotted wilt virus, so our losses and our reduction in quality will be minimum this year because of that disease.
三种抗病毒剂对烟草普通花叶病的室内防治试验结果表明，仅XD02对病毒有一定的直接钝化作用，防治效果达到了63.67％。
The result of the anti-TMV substances controlling effecting showed that only XD02 hadcertain directly passivation effect, which had 63.67% controlling effect.
三种抗病毒剂对烟草普通花叶病的室内防治试验结果表明，仅XD02对病毒有一定的直接钝化作用，防治效果达到了63.67％。
The result of the anti-TMV substances controlling effecting showed that only XD02 hadcertain directly passivation effect, which had 63.67% controlling effect.
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