Effect of Introgression of Ty-1 and ty-5 Genes on Productivity, Quality, and Antioxidant Compounds in De la Pera Tomato Breeding Lines

Q2 Agricultural and Biological Sciences

Agriculture Pub Date : 2024-07-19 DOI:10.3390/agriculture14071192

José Ángel Cabrera, P. Carbonell, J. Salinas, Adrian Grau, A. Alonso, Francisca Hernández, J. J. Ruiz, S. García-Martínez

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引用次数: 0

Abstract

Tomato (Solanum lycopersicum L.) is a crop that is affected by more than a hundred viral species. De la pera is a local varietal type of tomato that is very popular in southeastern Spain. However, it is highly susceptible to several viruses, such as Tomato yellow leaf curl virus (TYLCV), which is considered one of the most important diseases of tomato crops and is a limiting factor for production in both outdoor and protected crops, making it difficult to eradicate. This study shows the effect of gene introgression on the performance of traditional lines of De la pera by combining two genes that offer tolerance to TYLCV, Ty-1 and ty-5, on some yield and quality traits and on the antioxidant capacity of tomato fruits. Two pear tomato breeding families, UMH175 and UMH220, were evaluated. Four lines from each of the families with all homozygous combinations of the Ty-1 and ty-5 genes were studied. The results showed that the introgression of the ty-5 allele produced a slight negative effect on yield, mean fruit weight, total soluble solids, and titratable acidity, in contrast to Ty-1, which produced a large negative effect. None of the introgressions showed a negative effect on the antioxidant compounds. ty-5 is a promising gene for use in breeding programs.

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Ty-1 和 ty-5 基因对德拉佩拉番茄育种品系产量、品质和抗氧化化合物的影响

番茄（Solanum lycopersicum L.）是一种受百余种病毒影响的作物。De la pera 是一种当地番茄品种，在西班牙东南部非常受欢迎。然而，它极易感染多种病毒，如番茄黄叶卷曲病毒（TYLCV），该病毒被认为是番茄作物最重要的病害之一，是室外和保护地作物生产的限制因素，很难根除。本研究显示了基因导入对 De la pera 传统品系性能的影响，通过结合两个对 TYLCV 有耐受性的基因 Ty-1 和 ty-5，对番茄果实的一些产量和品质性状以及抗氧化能力产生了影响。对两个梨番茄育种家族 UMH175 和 UMH220 进行了评估。研究了每个家系中带有 Ty-1 和 ty-5 基因所有同源组合的四个品系。结果表明，ty-5 等位基因的导入对产量、平均果重、总可溶性固形物和可滴定酸度产生了轻微的负面影响，而 Ty-1 则产生了较大的负面影响。ty-5是一个有望用于育种计划的基因。

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来源期刊

Agriculture Agricultural and Biological Sciences-Horticulture

CiteScore

1.90

自引率

0.00%

发文量

审稿时长

11 weeks

期刊介绍： The Agriculture (Poľnohospodárstvo) is a peer-reviewed international journal that publishes mainly original research papers. The journal examines various aspects of research and is devoted to the publication of papers dealing with the following subjects: plant nutrition, protection, breeding, genetics and biotechnology, quality of plant products, grassland, mountain agriculture and environment, soil science and conservation, mechanization and economics of plant production and other spheres of plant science. Journal is published 4 times per year.