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Recessive resistance derived from tomato CV. Tyking-Limits drastically the spread of tomato yellow leaf curl virus

AutorPereira-Carvalho, Rita C.; Díaz-Pendón, Juan A.; Fonseca, M. E. N.; Boiteux, Leonardo S.; Fernández-Muñoz, Rafael; Moriones, Enrique; Resende, Renato O.
Palabras claveEpidemiology
Virus resistance
Solanum lycopersicum
TYLCV
Bemisia tabaci
Begomovirus
Fecha de publicación21-may-2015
EditorMultidisciplinary Digital Publishing Institute
CitaciónViruses 7(5): 2518-2533 (2015)
ResumenThe tomato yellow leaf curl disease (TYLCD) causes severe damage to tomato (Solanum lycopersicum L.) crops throughout tropical and subtropical regions of the world. TYLCD is associated with a complex of single-stranded circular DNA plant viruses of the genus Begomovirus (family Geminiviridae) transmitted by the whitefy Bemisia tabaci Gennadius (Hemiptera: Aleyrodidae). The tomato inbred line TX 468-RG is a source of monogenic recessive resistance to begomoviruses derived from the hybrid cv. Tyking F<inf>1</inf>. A detailed analysis of this germplasm source against tomato yellow leaf curl virus-Israel (TYLCV-IL), a widespread TYLCD-associated virus, showed a significant restriction to systemic virus accumulation even under continuous virus supply. The resistance was effective in limiting the onset of TYLCV-IL in tomato, as significantly lower primary spread of the virus occurred in resistant plants. Also, even if a limited number of resistant plants could result infected, they were less efficient virus sources for secondary spread owing to the impaired TYLCV-IL accumulation. Therefore, the incorporation of this resistance into breeding programs might help TYLCD management by drastically limiting TYLCV-IL spread. © 2015 by the authors; licensee MDPI, Basel, Switzerland.
Versión del editorhttp://dx.doi.org/10.3390/v7052518
URIhttp://hdl.handle.net/10261/137487
DOI10.3390/v7052518
Identificadoresissn: 1999-4915
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