CHARACTERIZATION AND PHENOTYPIC EVALUATION OF FRUIT QUALITY TRAITS RELATED TO FUNCTIONAL AND ORGANOLEPTIC QUALITY OF SPANISH TOMATO LANDRACES
Published: 13 Nov 2023
Abstract: Among the different vegetable crops, tomato is one of the most popular and widely cultivated in the world due to its socio-economic and nutritional importance. There are more than 25,000 tomato varieties, although only 20% are marketed, which is causing a loss of valuable genetic diversity through the loss of cultivars and the disappearance of traditional and local varieties. In this sense, landraces cover a wide genetic diversity that can help mitigate the current genetic erosion within agricultural diversity, improving nutritional and organoleptic traits compared to commercial F1. The objective of this study was to determine the diversity of fruit quality parameters related to nutritional and bioactive compounds such as glucose and fructose, organic acids as glutamic, malic and citric acid, vitamin C and carotenoids of forty-eight tomato landraces belonging to nine different cultivar groups: 'Flor de Baladre', 'Corazón', 'de la Sierra', 'Muchamiel', 'de la Pera', 'Pimiento', 'Kumato', 'Mesa Murciano' and 'Cherry'. Fruits with different shapes (squared, slightly flattened, rounded, heart-shaped, long oblong and pyriform), colours (yellow, P and R) and sizes (from very small to very large) were included in this study. The highest values in compounds related to the organoleptic quality of the fruits were found in the orange and yellow 'Cherry' varieties. While the varieties belonging to the 'Cherry' and 'Pimiento' types showed a high content of compounds related to the functional quality (vitamin C and carotenoids). The results obtained show an important intravarietal and intervarietal variability, which would allow the selection of varieties to be used in breeding lines focused on obtaining fruits of high organoleptic and nutritional quality.
Keywords: traditional genotypes, germplasm, fruit variability, bioactive composition
Cite this article: Alicia Sánchez, Virginia Hernández, Elia Molina, José Fenoll, Pilar Flores, Pilar Hellín. CHARACTERIZATION AND PHENOTYPIC EVALUATION OF FRUIT QUALITY TRAITS RELATED TO FUNCTIONAL AND ORGANOLEPTIC QUALITY OF SPANISH TOMATO LANDRACES. Journal of International Scientific Publications: Agriculture & Food 11, 30-41 (2023). https://www.scientific-publications.net/en/article/1002645/
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