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  3. 2023 - Volume 13 [Issue 5]
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Assessment of Genetic Variability for Yield & Its Contributing Traits in Rice (Oryza sativa L.)

  •   Yadunandan Verma
  •   N. S. Tomar
  •   Deepak Saran

International Journal of Environment and Climate Change, Volume 13, Issue 5, Page 36-39
DOI: 10.9734/ijecc/2023/v13i51742
Published: 18 March 2023

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Abstract


The research work was executed Research cum Instructional Farm, Genetics and Plant Breeding department of IGKV Raipur (C.G.) during kharif 2021. The research material under research comprised of 50 rice germplasm lines including two checks namely Mahamaya and Rajeshwari, which were tested in RBD with two replications. The observation of research investigation were recorded for total eight characters viz. Days to 50% flowering, Number of tillers per plant, Panicle length(cm), Plant height(cm), 1000seed weight(g), Grain yield per plant(g), Biological yield per plant(g), Harvest index(%). The analysis of variance showed that there was a highly significant variation in genotypes for all of the studied characters. A small difference between PCV and GCV suggests that the environment has little impact on the concerning traits. The number of tillers per plant, 1000 seed weight, grain yield per plant, biological yield per plant and harvest index had high heritability along with high genetic advance as a percent of mean indicates that the heritability is most likely caused by additive gene action and selection may be effective.

Keywords:
  • Genetic variability
  • plant breeding
  • rice
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How to Cite

Verma, Y., Tomar, N. S., & Saran, D. (2023). Assessment of Genetic Variability for Yield & Its Contributing Traits in Rice (Oryza sativa L.). International Journal of Environment and Climate Change, 13(5), 36–39. https://doi.org/10.9734/ijecc/2023/v13i51742
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References

Anonymous. As per 2nd Advance Estimates of production of major crops, 2021-22, Ministry of Agriculture & Farmers Welfare, Government of India; 2022.

Dhanwani RK, Sarawgi AK, Solanki A, Tiwari JK. Genetic variability analysis for various yield attributing and quality traits in rice (Oryza sativa L.). The bioscan. 2013; 8(4):1403-1407.

Chamar JP, Joshi RP, Katkani D, Sahu D, Patel V. Genetic variability, heritability and correlation coefficient analysis in rice (Oryza sativa L.) germplasm J. Pharm. Innov. 2021;10(5):763-769.

Noatia P, Sao A, Tiwari A, Nair SK, Gautama D. Genetic Dissection of Yield determinants in advance breeding lines (ABLs) of rice (Oryza sativa L.) under irrigated condition of Chhattisgarh, India. Int. J. Plant Soil Sci. 2021;33(20):119-131.

Singh B, Gautama D, Sao A, Nair SK. Assessment of genetic variability, heritability and genetic advance for yield and quality traits in advanced breeding lines of rice (Oryza sativa L.). The Pharma Innov J. 2021;10(8):1627-1630.

Sonwani P. Diversity and association analysis in yield and yield attributing traits of rice germplasm (OryzasativaL.). M.Sc. (Ag.) Thesis, Indira Gandhi Krishi Vishwavidyalaya, Raipur. 2021; 1-110.

Sudeepthi K, Srinivas TVSR, Kumar BR, Jyothula DPB, Umar SN. Assessment of genetic variability, character association and path analysis for yield and yield component traits in rice (Oryza sativa L.). Electron. J. Plant Breed. 2020;11(01): 144-148.

Donkor EF, Adjei RR, Boadu SE, Boateng AS, Durowaa OOA. Genetic variability, heritability and path analyses of yield and yield related traits of newly developed rice (Oryzasativa L.) genotypes in lowland ecology in Ghana.Journal of Innovative Agriculture. 2021;8(1):16-20.

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