The present investigation was carried out at Agricultural Research Station, Perumallapalle, Tirupati, A.P. with 10 maintainer (B) and 27 restorer (R) lines of pearl millet during summer, 2020 in randomized block design with three replications to estimate  genetic parameters viz., genetic variance, heritability (broad sense) and genetic advance as per cent of mean for 15 quantitative traits. The analysis of variance revealed highly significant differences among the genotypes for all the characters studied. The phenotypic coefficient of variation (PCV) was higher than genotypic coefficient of variation (GCV) and the difference between PCV and GCV was narrow for most of the characters, implying little influence of environment on expression of the traits. High values of PCV, GCV and heritability estimates coupled with maximum genetic advance over mean were obtained for panicle length, green fodder yield per plant, dry fodder yield per plant, panicle weight, 1000 grain weight, harvest index and grain yield per plant indicating the preponderance of additive gene action and selection based on these characters could be effective." /> Genetic Variability Studies for Quantitative Traits in a Pool of Maintainer (B) and Restorer (R) Lines in Pearl Millet (<em>Pennisetum glaucum </em>(L.) R. Br.)
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Int.J.Curr.Microbiol.App.Sci.2020.9(12): 3234-3241
DOI: https://doi.org/10.20546/ijcmas.2020.912.385


Genetic Variability Studies for Quantitative Traits in a Pool of Maintainer (B) and Restorer (R) Lines in Pearl Millet (Pennisetum glaucum (L.) R. Br.)
P. Saikumar1*, M. Shanthi Priya2, P. Shanthi1 and P. Latha3
1Department of Genetics and Plant Breeding, S.V. Agricultural College, Tirupati, A.P, India 2Department of Genetics and Plant Breeding, ARS, Perumallapalle, Tirupati, A.P, India  3Department of Crop Physiology, IFT, RARS, Tirupati, A.P, India
*Corresponding author
Abstract:

The present investigation was carried out at Agricultural Research Station, Perumallapalle, Tirupati, A.P. with 10 maintainer (B) and 27 restorer (R) lines of pearl millet during summer, 2020 in randomized block design with three replications to estimate  genetic parameters viz., genetic variance, heritability (broad sense) and genetic advance as per cent of mean for 15 quantitative traits. The analysis of variance revealed highly significant differences among the genotypes for all the characters studied. The phenotypic coefficient of variation (PCV) was higher than genotypic coefficient of variation (GCV) and the difference between PCV and GCV was narrow for most of the characters, implying little influence of environment on expression of the traits. High values of PCV, GCV and heritability estimates coupled with maximum genetic advance over mean were obtained for panicle length, green fodder yield per plant, dry fodder yield per plant, panicle weight, 1000 grain weight, harvest index and grain yield per plant indicating the preponderance of additive gene action and selection based on these characters could be effective.


Keywords: Pearl millet, Genetic advance, Heritability, Variability
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How to cite this article:

Saikumar, P., M. Shanthi Priya, P. Shanthi and Latha, P. 2020. Genetic Variability Studies for Quantitative Traits in a Pool of Maintainer (B) and Restorer (R) Lines in Pearl Millet (Pennisetum glaucum (L.) R. Br.).Int.J.Curr.Microbiol.App.Sci. 9(12): 3234-3241. doi: https://doi.org/10.20546/ijcmas.2020.912.385