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Assessment of Genetic Parameters for Yield and Yield Components in Hybrid Rice and Parents | OMICS International | Abstract
ISSN: 2375-4338

Rice Research: Open Access
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Research Article

Assessment of Genetic Parameters for Yield and Yield Components in Hybrid Rice and Parents

Paikhomba N, Arvind Kumar, Chaurasia AK and Prashant Kumar Rai*
Department of Genetics and Plant Breeding, Allahabad School of Agriculture, Sam Higginbottom Institute of Agriculture, Technology and Sciences, India
Corresponding Author : Prashant Kumar Rai
Department of Genetics and Plant Breeding
Allahabad School of Agriculture, Sam Higginbottom Institute of Agriculture
Technology and Sciences, India
Tel: 09415630701
E-mail: [email protected]
Received December 10, 2013; Accepted January 17, 2014; Published January 20, 2014
Citation: Paikhomba N, Kumar A, Chaurasia AK, Rai PK (2014) Assessment of Genetic Parameters for Yield and Yield Components in Hybrid Rice and Parents. J Rice Res 2: 117. doi: 10.4172/jrr.1000117
Copyright: © 2014 Paikhomba N, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
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Thirty F1 rice hybrids along with complete set of 13 parents and checks were evaluated for variability, heritability and genetic advance in different yield and yield contributing traits. The data was recorded on five randomly selected plants for fifteen quantitative characters. The treatment, i.e. mean sum of squares due to genotypes showed significant differences for 14 characters studied, indicating the presence of high genetic variability among the genotypes. The estimates of GCV were lower than the respective PCV, indicating the influence of environmental factors on the expression of the traits studied. Characters like percent pollen fertility (99.9, 33.33), grain yield hill-1 (99.2, 31.13), harvest index (98.5, 30.42) and number of filled grains panicle-1 (97.8, 30.04) showed high heritability coupled with moderate genetic advance as percent of mean, suggesting that selection for the improvement of these characters may be rewarding. This also indicates greater role of non-additive gene action in their inheritance suggesting heterosis breeding could be used to improve these traits.