Variability, heritability and genetic advance analysis in indian mustard ((Brassica juncea L. czern and coss.) Genotypes
2022
Narayan, Jai | Kumar, Sandeep | Singh, R. P.
A study was undertaken to collect information on genetic parameters for yield and its components from a ten parents line x tester mating design in Indian mustard at Agriculture research Farm, Bhagwant University, Sikar Road, Ajmer (Rajasthan) during Rabi season 2018-2019 with 51 treatments of mustard to assess the nature of variability. All genotypes were evaluated in a Complete Randomized Block Design with three replications. The data were recorded on twelve characters days to 50% flowering, days to maturity, length of main raceme, number of primary branches per plant, number of secondary branches per plant, number of siliqua on main raceme, number of seeds per siliqua, biological yield per plant, harvest index, 1000 seed weight, oil content and seed yield per plant. Analysis of variance exhibited highly significant differences among the treatments for all the characters. High percentage of genotypic and phenotypic coefficient of variation was recorded for seed yield per plant (24.366) and (24.365). High heritability coupled with high genetic advance were observed for Seed yield per plant (g), number of silliqua on main raceme and biological yield per plant. This indicates the prevalence of additive gene action in their inheritance and may be used as direct selection criteria for improving yield and its contributing traits.
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