Variability, heritability and genetic advance in marigold
2025
Priyanka Kumari | Deepti Singh
Twelve genotypes of marigold were evaluated to determine genetic variability, heritability and genetic advance. Analysis of Variance revealed that magnitude of the Phenotypic Coefficient of Variation (PCV) was higher than Genotypic Coefficient of Variation (GCV) for all the traits. High level of GCV and PCV were recorded for seed yield per plant followed by leaf biomass of flower, number of leaves per plant, flower yield per plant, stem diameter, average fresh weight of flower, number of seeds per peduncle, 100 seed weight, weight of seed per peduncle, average fresh weight of leaf (g), number of secondary branches per plant, plant height, days taken to bud appearance, plant spread and number of primary branches per plant. High heritability was obtained for all the recorded traits. High heritability coupled with high genetic advance as per cent of mean was recorded for and 100-seed weight, average fresh weight of leaf and flower, number and weight of seeds per peduncle, number of flowers per plant and seed yield per plant showing greater chances of improvement through breeding programme.
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