Detection And Distribution Of Grapevine R.upestris Stem Pitting-Associated Virus I n Grapevine
文献类型: 外文期刊
作者: Hu, GJ; Dong, YF; Zhu, HJ; Zhang, ZP; Fan, XD; Ren, F
作者机构:
关键词: Grapevine rupestris stem pitting-associated virus (GRSPaV); Grapevine; Detection; Primer sensitivity; Virus distribution
期刊名称: SCIENTIA HORTICULTURAE
ISSN: 0304-4238
年卷期: 2018 年 239 卷
页码:
收录情况: JCR(2021版)
摘要: Grapevine rupestris stem pitting-associated virus (GRSPaV) is a widespread virus of grapevine. In this study, we compared the detection efficiencies of two primer sets and evaluated virus distribution among different grapevine materials. The results of RT-PCR analyses showed that primer pair RSP52/53 was 10% more sensitive than RSP9F9R, with total detection rates of 89.3% and 78.6%, respectively. Five different parts of six grapevine cultivars, which were collected in May and August, were used as materials in GRSPaV detection analyses. The results showed that the fourth petioles were a suitable material for analysis, and fourth petiole materials collected in May and August yielded the same result (50.0%). The plant parts could be ranked, from highest virus detection efficiency to lowest, as follows: phloem > berries = fourth petioles > tendrils > new leaves = fourth leaves. A comparison of the titers of GRSPaV among the upper, middle, and lower above-ground parts and roots of three in vitro grapevine samples by quantitative real-time PCR showed that the highest concentration of GRSPaV was in the root, followed by the upper above-ground part.
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