Quantitative analysis of selection parameters in yield contributing traits of turmeric (Curcuma longa L.) genotypes

Abstract

The present investigation was carried out in Randomized Block Design with three replications during 2016-17 and 2017-18 on two locations to study the variability, character association, and stability and adaptability for nineteen characters among twenty five genotypes across four environments. The study revealed that wide range of variation observed for all the traits among twenty five genotypes. Based on per se performance, the genotype NDH-98 produced maximum rhizome yield followed by NDH-1, NDH-74, NDH-16, NDH-11, NDH-15, NDH-79, NDH-68 and NDH-114 produced highest rhizome yield per hectare. PCV were higher than GCV for all the characters. High estimates of PCV as well as GCV was observed for plant height, plant girth, length of mother rhizome, width of mother rhizome, weight of mother rhizome, weight of primary rhizomes per plant, number of secondary rhizomes per plant, weight of secondary rhizomes per plant, number of tertiary rhizomes per plant and weight of tertiary rhizomes per plant in all four environments (E1, E2, E3, E4). The High heritability accompanied with high genetic advance as per cent of mean was estimated for plant height, weight of fresh rhizome per plant, width of mother rhizome, weight of mother rhizome, weight of primary rhizomes per plant, weight of secondary rhizomes per plant, number of tertiary rhizomes per plant, rhizome yield, dry matter and T.S.S. content in all four environments (E1, E2, E3, E4), this indicates that selection for these traits will be useful.