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Revista mexicana de ciencias agrícolas
versión impresa ISSN 2007-0934
Resumen
MEDINA-TORRES, Raúl et al. Evaluation of quality in fruits of 41 nanche genotypes (Byrsonima crassifolia L. HBK) from Nayarit, Mexico. Rev. Mex. Cienc. Agríc [online]. 2015, vol.6, n.2, pp.253-264. ISSN 2007-0934.
Nanche is a harvest fruit whose fruits are prized for their bittersweet. The objective was to evaluate the quality of fruits of 41 nanche genotypes (Byrsonima crassifolia L. HBK) from the warm climate of Nayarit, Mexico. The quality variables analyzed in the fruit were: color, fresh weight (PFF), length (LF), diameter (DF), total soluble solids (°Brix), titratable acidity (percentage of citric acid) and pH of fruit. Furthermore, the dry weight of the seed (PSS) was determined. Multivariate statistical analysis of main components for data processing was used. Three principal components (CP's) explained 80.61% of total variance (VT). CP1 contributed with 38.58 of VT, where morphological variables of importance were: weight, diameter, length and size of the fruit while in CP2 represented 24.78% of VT, where chemical characteristics were relevant: percentage of citric acid pulp (AC) and pH of fruit juice. In CP3 were important total soluble solids (°Brix), and °Brix/pH ratio of the pulp that contributed with 17.25% of total variance. The °Brix/AC ratio, plus weight, size and yellowing ofskin of the fruit were quality parameters that could be used as genetic qualities to select nanche genotypes.
Palabras llave : fruit quality; multivariate analysis; plant genetic resources.