Genetic variability in quality and yield parameters of early ripening grape genotypes
2002
Kumar, Ram | Rajan, Shailendra | Negi, S S | Yadava, L. P.
Phenotypic and genotypic coefficients of variability, heritability along with genetic advance were studied in 14 early maturing genotypes for yield and quality characters. The differences among the genotypes were highly significant (p=0.05) for all the characters (except bunchlength) studied. A wide range of variation was recorded in bunch width, number of berry per bunch, 100-berry weight, 100-seed weight, juice content, TSS, reducing sugar, organic acid content and berry yield. Based on coefficient of variation, broad sense heritability and expected genetic advance it can be concluded that berry yield, 100-berry weight, 100-seed weight and organic acid content provides greater scope for selection of superior genotypes. Among fourteen genotypes Flame seedless produced highest (17.6 t/h) berry yield, Cardinal registered highest (275.6 g) 100-berry weight with high (6.5g) 100-seed weight and Pusa Navrang showed highest organic acid content and 100-seed weight (6.7g). The characters studied are quantitatively inherited and non-additive effects were detected with organic acid. Key
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