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

José Ángel Cabrera, Pedro Carbonell, Juan Francisco Salinas, Adrian Grau, Aranzazu Alonso, Francisca Hernández, Juan José Ruiz and Santiago García-Martínez ()
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José Ángel Cabrera: Instituto de Investigación e Innovación Agroalimentaria y Agroambiental (CIAGRO-UMH), Miguel Hernández University, Ctra. de Beniel km 3.2, 03312 Orihuela, Spain
Pedro Carbonell: Instituto de Investigación e Innovación Agroalimentaria y Agroambiental (CIAGRO-UMH), Miguel Hernández University, Ctra. de Beniel km 3.2, 03312 Orihuela, Spain
Juan Francisco Salinas: Instituto de Investigación e Innovación Agroalimentaria y Agroambiental (CIAGRO-UMH), Miguel Hernández University, Ctra. de Beniel km 3.2, 03312 Orihuela, Spain
Adrian Grau: Instituto de Investigación e Innovación Agroalimentaria y Agroambiental (CIAGRO-UMH), Miguel Hernández University, Ctra. de Beniel km 3.2, 03312 Orihuela, Spain
Aranzazu Alonso: Instituto de Investigación e Innovación Agroalimentaria y Agroambiental (CIAGRO-UMH), Miguel Hernández University, Ctra. de Beniel km 3.2, 03312 Orihuela, Spain
Francisca Hernández: Instituto de Investigación e Innovación Agroalimentaria y Agroambiental (CIAGRO-UMH), Miguel Hernández University, Ctra. de Beniel km 3.2, 03312 Orihuela, Spain
Juan José Ruiz: Instituto de Investigación e Innovación Agroalimentaria y Agroambiental (CIAGRO-UMH), Miguel Hernández University, Ctra. de Beniel km 3.2, 03312 Orihuela, Spain
Santiago García-Martínez: Instituto de Investigación e Innovación Agroalimentaria y Agroambiental (CIAGRO-UMH), Miguel Hernández University, Ctra. de Beniel km 3.2, 03312 Orihuela, Spain

Agriculture, 2024, vol. 14, issue 7, 1-12

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.

Keywords: Begomovirus; viral diseases; gene pyramiding; Ty genes; molecular marker; total phenolic content; antioxidant activity (search for similar items in EconPapers)
JEL-codes: Q1 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 (search for similar items in EconPapers)
Date: 2024
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