pvy

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。

RNAi Vector Targeting and Interference Effect Determination of PVY CP Gene

马铃薯Y病毒CP基因RNAi载体构建与干涉效果测定

Relationship between PVY CP Gene Induced Resistance and Transgene Integration and Resistance Transmission

马铃薯Y病毒CP基因介导抗性与转基因整合方式的关系及抗性传导

The incidence of tobacco PVY diseases is different as the tobacco at different growth stages .

烟草处于不同的生长时期，田间烟草PVY病的发病情况有所不同。

Characteristics in Vitro of PVY Isolated from Tobacco in Henan Province and Serological Detection Method

河南省烟草马铃薯Y病毒体外特性及血清学检测技术的研究

Resistance Identification to PVY of Some Tobacco Germplasm Resources

部分烟草种质资源的PVY抗性鉴定

Molecular cloning and sequence analysis of PVY NIb gene

马铃薯Y病毒复制酶基因的克隆和序列分析

The Application of PVY Specific Monoclonal Antibodies in the Determination of Potato Virus Y Strains

PVY单克隆抗体在马铃薯Y病毒株系调查中的应用

Study on the Transforming the Plant-derived Gene Resistant to PVY to Tobacco

植物源PVY抗性基因转化烟草研究

Studies on the effect of recipient cell ploidy on PVY CP gene transformation in potato

受体细胞倍性对PVYCP基因向马铃薯遗传转化影响的研究

Tobacco Potato Virus Y ( PVY ) is one of the most serious disease in tobacco production .

烟草马铃薯Y病毒病（PVY）是我国烟叶生产中危害较重的病毒病之一。

Investigation of effective factors on tobacco viruses ( PVY CMV TMV ) disease severity

某些因素对烤烟病毒病（PVY、CMV、TMV）发病程度的影响调查

The Resistant to PVY ~ N and Defensive Enzymes of Tobacco Induced by Iron

铁元素诱导烟草抗PVY~N的调控作用研究

PVY were purified with the procedure including PEG precipitation and differential centrifugation .

将PVY毒原摩擦接种于白肋烟扩繁后，采用PEG沉降及超离心的方法进行病毒的提纯。

The Physiological , Biochemical and Molecular Mechanism of Mineral Elements Regulating Tobacco Resistant to PVY ~ N

矿质元素调控烟草抗PVY~N生理生化及分子机制研究

Study on the Physiological and Biochemical and Signal Substances in Tobacco Induced with Copper against PVY ~ N

铜元素诱导烟草抗PVY~N相关生理生化及信号物质的研究

Effect of Extracts from Pt on CMV , PVY ~ N and Insect Vector

一种植物提取物对CMV、PVY~N及其昆虫介体的作用

Meanwhile PVY can affect quality of potato severely , and cause potato seed to degrade .

PVY不仅降低马铃薯的产量，还严重影响马铃薯的品质，是种薯退化的主要原因。

The lack of disease-resistant germplasm of main cultivars is one of the key PVY serious harm .

缺乏抗病主栽种质是导致PVY危害严重的主要原因之一。

For reducing the experiment cost , the primary RT-PCR methods of PVX and PVY were improved .

为了降低实验成本，对已建立的PVY、PVX两种病毒的RT-PCR检测体系进行改进。

RNA-mediated viral resistance against Potato virus Y ( pvy ) in transgenic tobacco plants

利用RNA介导的抗病性获得高度抗马铃薯Y病毒的转基因烟草

The Relation between the Changes of Physiological and Biochemical Indices and Resistance of Potato Plants Infected with PVY

马铃薯植株感染Y病毒后生理生化指标变化与抗病性的关系

Currently the plant varieties do not have a strong resistance to tobacco PVY diseases in Ningxiang .

目前宁乡烟区栽种的品种，对烟草PVY病均不具备较强的抗病性。

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。

Potato virus Y ( PVY ) is a worldwide important disease for tobacco production , and cause great crop loss every year .

烟草马铃薯Y病毒病（PVY）是世界范围内烟草一重要病害，每年给烟草生产带来巨大损失。

Evidence for RNA-mediated resistance to pvy ~ n in tobacco plants transformed with the viral coat protein gene

表达马铃薯Y病毒外壳蛋白基因的转基因烟草抗病机制

The effects of pvy ~ n - infection on the photosynthesis and respiration of Tabacco

马铃薯Y病毒脉坏株系（PVY~N）的侵染对烟草光合作用和呼吸作用的影响

Phylogenic tree of PVY was established on CP gene nucleotide sequences of 55 isolates .

依据PVY不同分离物的CP基因核苷酸序列同源性建立了PVY系统进化树。

The two methods were very powerful for detecting virus-free seed potatoes , investigating PVY and studying its pathology .

这个体系的建立，对于马铃薯脱毒苗的检测与PVY病毒的调查及病理研究都具有一定的应用价值。

PVY ~ N CP gene silencing and transgenic resistance to PVY ~ n are temperature dependent in tobacco

转基因烟草中PVY~NCP基因沉默及其介导的抗病性受温度的调控