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International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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National Academy of Agricultural Sciences (NAAS)
NAAS Score: *5.38 (2019)
[Effective from January 1, 2019]
For more details click here

ICV 2017: 100.00
Index Copernicus ICI Journals Master List 2017 - IJCMAS--ICV 2017: 100.00
For more details click here

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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
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Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2017: 100.00
NAAS RATING 2018: 5.38

Int.J.Curr.Microbiol.App.Sci.2019.8(8): 1408-1416
DOI: https://doi.org/10.20546/ijcmas.2019.808.164


Studies on Genetic Variability, Heritability, Genetic Advance, Correlation and Path Analysis for Grain Yield and its Contributing Traits in Indigenous Wheat (Triticum aestivum L.)
Suryabhushan Kumar1, Brijesh Singh1, S.P. Verma1*, V.N. Pathak1, Chaman Jee1 and J.P. Singh2
1Department of Genetics & Plant Breeding, SMM Town Post Graduate College, Ballia, Uttar Pradesh, India
2Department of Plant Pathology, SMM Town Post Graduate College, Ballia, Uttar Pradesh, India
*Corresponding author
Abstract:

The present investigation was carried out with twenty (with two checks) indigenous genotypes of wheat to study the variability, heritability and genetic advance. The field experiment was conducted under timely sown condition during Rabi 2017-18 in randomized block design with three replication at Nidhariya Agriculture farm S.M.M. TOWN P.G. College Ballia, U.P. The data were recorded on twelve characters viz. days to 50% flowering, tillers per plant, flag leaf area, plant height, ear length, days to maturity, biological yield, ear weight, number of grains per ear, harvest index, test weight and grain yield per plant. Analysis of variance revealed that the treatments differed significant for all the characters under study except tillers per plant, ear length per plant and ear weight per plant which indicated the material to be of different genetic constitution. The highest values for GCV & PCV were recorded for the character biological yield per plant and grain yield per plant. High heritability along with high genetic advance was obtained for plant height, flag leaf area, biological yield and test weight indicating that traits were under additive gene control and selection for genetic improvement for these traits would be effective. The data showed that the grain yield had significant and positive association with days to 50% flowering (0.423), tillers per plant (0.3039), flag leaf area (0.3252), plant height (0.3450), ear length (0.3891), biological yield per plant (0.6292), ear weight (0.6420), harvest index (0.40040 and test weight (0.5527). Path coefficient analysis revealed that biological yield per plant (0.5356) had the highest positive direct effect on grain yield per plant followed by harvest index (0.3289). The results revealed that these traits may serve as effective selection attribute during selection in breeding program for yield improvement in wheat.


Keywords: Wheat, (Triticum aestivum L), variability, h2, Correlation and path analysis
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How to cite this article:

How to cite this article: Suryabhushan Kumar, Brijesh Singh, S.P. Verma, V.N. Pathak, Chaman Jee and Singh, J.P. 2019. Studies on Genetic Variability, Heritability, Genetic Advance, Correlation and Path Analysis for Grain Yield and Its Contributing Traits in Indigenous Wheat (Triticum aestivum L.). Int.J.Curr.Microbiol.App.Sci. 8(08): 1408-1416. doi: https://doi.org/10.20546/ijcmas.2019.808.164Int.J.Curr.Microbiol.App.Sci. 8(8): 1408-1416. doi: https://doi.org/10.20546/ijcmas.2019.808.164