Response of tomato cultivars to agroinfection with Beet curly top Iran virus

Q3 Agricultural and Biological Sciences

Journal of Crop Protection Pub Date : 2016-09-20 DOI:10.18869/MODARES.JCP.5.3.473

Farnaz Khoshnazar, O. Eini

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引用次数: 3

Abstract

Beet curly top Iran virus (BCTIV) is a member of the genus Becurtovirus (family Geminiviridae) which constrain host crop production in various geographical regions in Iran. This virus infects several crops such as sugar beet Beta vulgaris and tomato Solanum lycopersicum. BCTIV infected tomato shows leaf curling, leaf distortion and stunting. In this study, we investigated the response of various tomato cultivars to BCTIV infection using an infectious clone of BCTIV under glasshouse condition at the University of Zanjan in 2013-2014. Based on a completely randomized design experiment twelve tomato cultivars were tested for their reaction to BCTIV infection. The replication of virus and symptom production was recorded and analyzed. Based on the obtained coefficient of infection and disease severity index, none of the tested cultivars was found resistance to the virus infection. However, one of the tested cultivars, Super Chief, showed no leaf curling symptom and the virus replicated at a significantly lower level in this cultivar as compared to a susceptible cultivar, Alindi 811, using quantitative PCR. Tomato cultivars including Grosse Lisse and Early Eurbana were grouped as susceptible while the other cultivars including Super Star were moderately susceptible to the virus infection. Therefore, growing this cultivar shows promise for an increase of yields from tomato plants prone to BCTIV infection after complementary field experiments. The screening of more cultivars or wild-type tomatoes for the identification of gene/s providing resistance to this viral disease is suggested.

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番茄品种对甜菜卷顶伊朗病毒感染的反应

伊朗甜菜卷顶病毒(BCTIV)是Becurtovirus属(双病毒科)的一员，在伊朗不同地理区域限制寄主作物生产。这种病毒感染几种作物，如甜菜和番茄。感染BCTIV的番茄表现为叶片卷曲、叶片扭曲和发育迟缓。本研究于2013-2014年在赞詹大学利用BCTIV感染克隆在温室条件下研究了不同番茄品种对BCTIV感染的反应。采用完全随机设计试验，检测了12个番茄品种对BCTIV感染的反应。对病毒复制和症状产生进行了记录和分析。根据获得的侵染系数和病害严重程度指数，所有被试品种均未发现对病毒侵染具有抗性。然而，其中一个被试品种Super Chief没有出现卷叶症状，并且与易感品种Alindi 811相比，该品种的病毒复制量显著降低。番茄品种对该病毒的易感程度为高、早欧巴纳，其余品种对该病毒的易感程度为中等。因此，在补充田间试验后，种植该品种有望提高BCTIV感染番茄植株的产量。建议筛选更多的品种或野生型番茄，以鉴定对该病毒病具有抗性的基因。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of Crop Protection Agricultural and Biological Sciences-Agronomy and Crop Science

CiteScore

1.20

自引率

0.00%

发文量

审稿时长

10 weeks

期刊介绍： Journal of Crop Protection is one of the TMU Press journals that is published by the responsibility of its Editor-in-Chief and Editorial Board in the determined scopes. Journal of Crop Protection (JCP) is an international peer-reviewed research journal published quarterly for the purpose of advancing the scientific studies. It covers fundamental and applied aspects of plant pathology and entomology in agriculture and natural resources. The journal will consider submissions from all over the world, on research works not being published or submitted for publication as full paper, review article and research note elsewhere. The Papers are published in English with an extra abstract in Farsi language.