Use este identificador para citar ou linkar para este item: http://repositorio.ufla.br/jspui/handle/1/38234
Título: Stratified mass selection of promising Spondias mombin clones in a commercial crop
Título(s) alternativo(s): Seleção massal estratificada de clones promissores de Spondias mombin em plantio comercial
Palavras-chave: Yellow mombin
Predicted phenotypic values
Genetic correlation
Repeatability
Tropical fruit breeding
Cajazeira
Valores fenotípicos preditos
Correlação genética
Repetibilidade
Melhoramento de fruteiras tropicais
Data do documento: 2011
Editor: Brazilian Society of Plant Breeding
Citação: NUNES, J. A. R. et al. Stratified mass selection of promising Spondias mombin clones in a commercial crop. Crop Breeding and Applied Biotechnology, Viçosa, MG, v. 11, n. 2, p. 141-148, 2011.
Resumo: This study aimed to estimate genetic parameters and identify promising clones of Spondias mombin in ungrafted commercial crop by stratified mass selection, based on the average of two harvests, using mixed models. The base population growing on a private farm in Teresina/PI comprised 82 plants, which were evaluated in the growing seasons 2008 and 2009. Total titratable acidity (TTA), total soluble solids (Brix), Brix/TTA, fruit weight (FW), seed weight (SW), pulp yield (PuY), and processing yield (PrY) were measured. Significant genetic variation among plants was detected for all traits. The coefficients of repeatability were 0.97 (TTA), 0.39 (Brix), 0.86 (Brix/TTA), 0.84 (FW), 0.82 (SW), 0.35 (PuY), and 0.39 (PrY). The chemical were generally not correlated with the physical fruit traits. Ranking by predicted phenotypic values associated with PrY and Brix/TTA identified nine promising plants (PrY>6.9% and Brix/TTA>10).
URI: http://repositorio.ufla.br/jspui/handle/1/38234
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