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Samuel F. Hutton, Yuanfu Ji, and John W. Scott

(TYLCV) are the most widespread and well known. TYLCV resistant cultivars are commercially available in production regions, and most of these use the dominant Ty-1 gene that was introgressed from S. chilense accession LA1969. Producers in Florida

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Santiago García-Martínez, Adrián Grau, Aranzazu Alonso, Fernando Rubio, Pedro Carbonell, and Juan J. Ruiz

program for the introgression of virus into Spanish landraces has resulted in the release of the UMH 1200 breeding line, homozygous for Tm-2 a , Ty-1 , and Sw-5 genes ( García-Martínez et al., 2011 ). This breeding line allows farmers to obtain an

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Santiago García-Martínez, Adrián Grau, Aranzazu Alonso, Fernando Rubio, Manuel Valero, and Juan J. Ruiz

the donor parent of the Tm-2 a , Sw-5, and Ty-1 genes ( Pérez de Castro et al., 2005 ), conferring resistance to ToMV, TSWV, and TYLCV, respectively. ‘Anastasia’ is a popular tomato cultivar in Spain with indeterminate and vigorous plant growth as

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Santiago García-Martínez, Adrián Grau, Aranzazu Alonso, Fernando Rubio, Manuel Valero, and Juan J. Ruiz

Spanish landraces has already resulted in the release of two breeding lines, UMH 1200 and UMH 1203, both homozygous for Tm-2 a , Ty-1, and Sw-5 genes ( García-Martínez et al., 2011 , 2012 ). These breeding lines allow farmers to obtain acceptable

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Santiago García-Martínez, Adrián Grau, Aranzazu Alonso, Pedro Carbonell, Juan F. Salinas, José A. Cabrera, and Juan J. Ruiz

over the last 20 years at Miguel Hernández University (Spain) ( Carbonell et al., 2018 ). The breeding line UMH1400 (homozygous for Tm-2a , Ty-1 , and Sw-5 genes) and UMH1401 (homozygous for Tm-2a and Sw-5 genes) are the first releases obtained

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Santiago García-Martínez, Adrián Grau, Aranzazu Alonso, Pedro Carbonell, Juan Francisco Salinas, José Ángel Cabrera, and Juan J. Ruiz

tomato landraces has been carried out over the past 20 years at Miguel Hernández University (Orihuela, Spain) ( Carbonell et al., 2018 ). The breeding line UMH1209, homozygous for Tm-2a , Ty-1, and Sw-5 genes, and UMH1155, homozygous for Tm-2a and

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Santiago García-Martínez, Adrián Grau, Aranzazu Alonso, Fernando Rubio, Pedro Carbonell, and Juan J. Ruiz

Miguel Hernández University (Spain). The breeding line UMH 1203, homozygous for Tm-2 a , Ty-1 , and Sw-5 genes, was the first obtained within the ‘De la pera’ tomato type ( García-Martínez et al., 2012 ). This breeding line has enabled farmers to

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Rhiana F. Jones, Paul W. Bosland, Robert L. Steiner, Richard W. Jones, and Mary A. O’Connell

gene family with nine members in addition to the original XEGIP. Silencing of a member of this gene family resulted in increased susceptibility ( Jones et al., 2006 ). In chile, a second XEGIP, referred to here as XEGIP1, is modeled to play a role in

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Huihui Liu, Ke Cao, Gengrui Zhu, Weichao Fang, Changwen Chen, Xinwei Wang, and Lirong Wang

identified another gene, a NAC transcription factor gene ( PpBL ), that was significantly differentially expressed between the red- and white-fleshed cultivars and confirmed that this gene could affect anthocyanin biosynthesis by regulating PpMYB10.1 using

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Santiago García-Martínez, Adrián Grau, Aranzazu Alonso, Fernando Rubio, Manuel Valero, and Juan J. Ruiz

’ line. Anastasia was used as the donor parent of the Tm-2 a , Sw-5, and Ty-1 genes ( Pérez de Castro et al., 2007 ), conferring resistance to ToMV, TSWV, and TYLCV, respectively. At the time the breeding program began, ‘Anastasia’ was a popular