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首页> 外文期刊>Turkish Journal of Agriculture & Forestry >Identification of Potato Y Potyvirus (PVYO) Resistance in Wild and Cultivated Tomatoes
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Identification of Potato Y Potyvirus (PVYO) Resistance in Wild and Cultivated Tomatoes

机译：野生和栽培番茄对马铃薯Y马铃薯马铃薯Y病毒的抗性鉴定

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摘要

Potato Y potyvirus (PVY) is an important plant pathogen worldwide that infects and causes yield losses in the family Solanaceae including potato (Solanum tuberosum), pepper (Capsicum spp.), tomato (S. lycopersicum), and tobacco (Nicotiana tabacum). In this study, 20 different tomato accessions representing 6 different species were mechanically inoculated with PVYO. The plants were scored visually for symptoms and then tested for presence of the virus 2-4 weeks after inoculation by ELISA. The results were variable. Most wild species of tomato sustained PVYO replication in inoculated leaves. Some of the wild species showed an immune response, while some became systemically infected. Inoculation and analysis of F2 populations suggested that the resistance is controlled by a single recessive gene in different wild species.
机译：马铃薯Y马铃薯Y病毒（PVY）是全世界重要的植物病原体，会感染茄科并导致其产量下降，包括马铃薯（Solanum tuberosum），胡椒（辣椒），番茄（S. lycopersicum）和烟草（Nicotiana tabacum）。在这项研究中，用PVYO机械接种了代表6个不同物种的20个不同番茄种质。视觉评估植物的症状，然后在通过ELISA接种2-4周后测试病毒的存在。结果是可变的。番茄的大多数野生物种在接种叶片中都能维持PVYO复制。一些野生物种显示出免疫反应，而另一些则被全身感染。对F2种群的接种和分析表明，抗药性由不同野生物种中的单个隐性基因控制。

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