Maturity of F1 grape hybrids originated in Pink Traminer
Keywords:F1 hybrids, grape maturity, cv. Pink Traminer, heritability
AbstractIn eight hybrid combinations in which one of the parents (either maternal of paternal) was cv. Pink Traminer (Gewurztraminer), 2.284 F1 individuals have been analyzed concerning the maturity of grapes. Obvious differences were noted among different combinations and within the same combination, depending on whether Pink Traminer had been used as a maternal or paternal genitor. These data suggest a possible maternal effect on the analyzed characteristic. Grape maturity seemed to be polygenicall inherited, heritability (in broad sense) showing high values while the one in narrow sense small and very small values, suggesting that additivity is not playing the most important role in the inheritance of this character in grapes.
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