Occurrence and Diagnosis of Tomato chlorosis virus in Portugal

被引:0
作者
D. Louro
G.P. Accotto
A.M. Vaira
机构
[1] Direcção-Geral de Protecção das Culturas –,
[2] Istituto di Fitovirologia Applicata – CNR –,undefined
[3] Istituto di Fitovirologia Applicata – CNR –,undefined
来源
European Journal of Plant Pathology | 2000年 / 106卷
关键词
ToCV; tomato; whiteflies;
D O I
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中图分类号
学科分类号
摘要
Tomato chlorosis virus (ToCV), a new whitefly-transmitted and phloem-limited Crinivirus infecting tomatoes in Europe, is reported for the first time in Portugal. Tomato plants with symptoms of interveinal chlorosis, collected during autumn 1998 and summer and autumn 1999 in Algarve, southern Portugal, were positive in RT-PCR assays using ToCV-specific primers. The amplified 439 bp fragment was sequenced and showed 99% homology with the ToCV sequence in the GenBank database. A digoxigenin–DNA probe was produced and tested in dot-blot with total RNAs extracted from tomato samples. Both the RT-PCR and dot-blot hybridisation procedures enabled rapid and reliable detection of ToCV from field samples.
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页码:589 / 592
页数:3
相关论文
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