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首页> 外文期刊>Plant Pathology Journal >A Study of Dicotyledonous Weed Species as Hosts of Potato Yellow Mosaic Trinidad Virus (PYMTV)
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A Study of Dicotyledonous Weed Species as Hosts of Potato Yellow Mosaic Trinidad Virus (PYMTV)

机译：双子叶杂草物种作为马铃薯黄花叶特立尼达病毒（PYMTV）宿主的研究

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摘要

Begomoviruses represent one of the major groups of phytopathogens of many economically important crops worldwide. In Trinidad, Potato yellow mosaic trinidad virus (PYMTV) has been implicated as the causal agent of disease epidemics in tomato since thelate 1980's. Surveys of dicotyledonous weeds found in commercial tomato cultivations in addition to weeds found in non-tomato-growing areas were conducted to determine possible PYMTV inoculum sources other than tomato. Detection of viruses was confirmedthrough dot blot hybridization and immunocapture-PCR (IC-PCR) amplification. None of the weeds tested in the study were hosts of PYMTV. However, two weed species were found to be naturally infected with two distinct begomoviruses as confirmed through partial nucleotide sequence comparisons. There was also no evidence of mixed begomovirus infections.
机译：乞eg病毒是全世界许多重要经济作物的主要植物病原体之一。在特立尼达，自1980年代以来，马铃薯黄色花叶特立尼达病毒（PYMTV）被认为是番茄疾病流行病的致病因子。除了在非番茄种植区发现的杂草外，还对商业番茄种植中发现的双子叶杂草进行了调查，以确定除番茄以外的可能的PYMTV接种源。通过斑点印迹杂交和免疫捕获PCR（IC-PCR）扩增确认了病毒的检测。在这项研究中测试的杂草都不是PYMTV的寄主。然而，通过部分核苷酸序列比较证实，发现两种杂草物种被两种不同的bemomovirus病毒自然感染。也没有证据表明混合的begomovirus感染。

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