Analysis of Variability, Heritability and Genetic Advance for Yield and Yield Related Trait in Wheat (Triticum Aestivum L.) Genotypes
Journal Title: International Journal of Agricultural Science and Research (IJASR) - Year 2017, Vol 7, Issue 4
Abstract
Estimation of the variability, heritability and genetic advance in the wheat genotypes (Triticum aestivum L.) is most important in the plant breeding because, with the help of this study the plant breeder developed a new and improved variety of wheat. Thirty wheat genotypes were evaluated at the Research Farm of Department, of Genetics & Plant Breeding, Chaudhary Charan Singh University, Meerut U. P. (India), during rabi seasons of 2014-2015 in a randomized block design with three replications for the estimation of the analysis of variance, heritability and genetic advance. The result shows, all the genotypes are highly significant at 0.05% probability level in analysis of variance. In variability analysis the genotypic coefficient of variation were high for grain yield (26.05), biological yield (20.80), flag leaf area (19.70), number of productive tillers (16.47) and number of grains per spike (16.30), while the estimates of phenotypic coefficient of variation were high for grain yield (27.64), biological yield (21.88), flage leaf area (19.98), number of productive tillers (17.32) and number of grains per spike (16.86). Heritability estimates were highest for The Days to 50% flowering (85.96 ), number of productive tillers (90.50), flage leaf area (97.27), chlorophyll content ( 87.57), grain yield (88.84) and biological yield (90.39), and the Genetic advance estimates were highest for Flag leaf area(17.48), No. Of grains per spike (14.00) and Plant height (11.64). In the present study, result based on high variability and high heritability coupled with high genetic advance for interesting traits can be used for further improvements of yields and its related traits, through ideal breeding scheme.
Authors and Affiliations
Anuj Kumar, Shailendra Singh Gaurav, Deepak Kumar Bahuguna, Priyanka Sharma, Tejbir Singh, Pooran Chand
Keywords
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