Effect of Mutagens on Genetic Variability, Heritability and Genetic Advance for Yield and Quality Traits in M1V1 and M1V2 Generations of Chrysanthemum Cultivars
Rohit Gangwar, Sunil Malik, Mukesh Kumar, Satendra Kumar, L.K. Gangwar, Bhim Singh
Journal of Advances in Biology & Biotechnology · pp. 1245–1251 · Published 9 Aug 2024
10.9734/jabb/2024/v27i81248Abstract
The study's goal was to evaluate genetic diversity, heritability, and genetic progress for yield and floral features in the M1V1 and M1V2 populations of chrysanthemum cultivars Pithika and Daali using a Factorial Randomized Block Design in 2022-23 and 2023-24. Cuttings were treated with gamma rays and EMS before being analyzed for genetic variation. The high phenotypic coefficient of variation (PCV) and genotypic coefficient of variation (GCV) estimated for flower yield per plant, leaf length, and single flower weight in both generations of the mutated population indicated that the genotype could be considered by the phenotype, and that selecting these characters in the early generation based on phenotypic performance would be effective. High heritability recorded for flower yield per plant whereas minimum heritability days to first bud initiation days to first flowering and stem diameter. High genetic advance over mean of per cent was recorded in flower yield per plant. Heritability might be due to effects of additive genes and consideration for the characters with combination of high heritability and high genetic advance will be more effective.
References (7)
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