Evaluation of germplasm in Solanum section Lycopersicon for tomato taste improvement
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Otros documentos de la autoría: Galiana-Balaguer, Luis; Ibáñez, Ginés; Cebolla-Cornejo, Jaime; Roselló, Salvador
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Título
Evaluation of germplasm in Solanum section Lycopersicon for tomato taste improvementFecha de publicación
2018Editor
Scientific and Technical Research Council of TurkeyISSN
1303-6173; 1300-011XCita bibliográfica
GALIANA-BALAGUER, Luis, et al. Evaluation of germplasm in Solanum section Lycopersicon for tomato taste improvement. Turkish Journal of Agriculture and Forestry, 2018, vol. 42, núm. 5: p. 309-321Tipo de documento
info:eu-repo/semantics/articleVersión de la editorial
https://journals.tubitak.gov.tr/agriculture/issue.htm?id=3801Versión
info:eu-repo/semantics/publishedVersionPalabras clave / Materias
Resumen
The genetic potential of accessions from Solanum section Lycopersicon (S. lycopersicum L., S. lycopersicum var. cerasiforme, S
pimpinellifolium L., and S. habrochaites Knaap & Spooner) for breeding tomato taste has ... [+]
The genetic potential of accessions from Solanum section Lycopersicon (S. lycopersicum L., S. lycopersicum var. cerasiforme, S
pimpinellifolium L., and S. habrochaites Knaap & Spooner) for breeding tomato taste has been studied in three environments with clonal
replicates. The environment clearly affected the accumulation and level of variation of sugars and acids and derived variables through
a direct effect. It seems that photosynthetically active radiation would exert a major effect on sugar accumulation while in the case
of organic acids the effect of temperature might be more important. Even more, important genotype × environment interactions can
considerably modify the real value of germplasm, being considerably higher in wild species. The environment affected not only mean
contents but also the levels of variation. Thus, the need to develop multienvironmental screening programs is suggested to identify
solid sources of variation. An important intraaccession variability was also found in wild germplasm, emphasizing the need to analyze
a high number of plants per accession in order to identify sources of variation. Accessions with a significant genotypic contribution to
the accumulation of sucrose within the Lycopersicon group were identified and may be interesting to analyze the regulation of vacuolar
invertase. Accessions with different genotypic contributions to citric, malic, and glutamic acid accumulation have also been identified.
These accessions will be valuable for the development of breeding programs considering the acid component of taste. Additionally, these
genetic resources will be interesting to study the regulation of the tricarboxylic acid cycle and the gamma-aminobutyric acid shunt. [-]
Publicado en
Turkish Journal of Agriculture and Forestry, 2018, vol. 42, núm. 5: p. 309-321Proyecto de investigación
This research was partially financed by the Spanish Ministry of Science and Innovation (MICINN) (project AGL2005-08083-C03-01)Derechos de acceso
info:eu-repo/semantics/openAccess
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