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volume 36 issue 3 (september 2002) : 172 - 176

GENETIC VARIABILITY AND ASSOCIATION STUDIES IN WHEAT FOR GRAIN YIELD ANDTEMPERATURE TOLERANCE PARAMETERS

M
M.A Shah
V
V.S. Deora
1Department of Plant Breeding and Genetics, Rajasthan College of Agriculture, Maharana Pratap University of Agriculture an~ Technology, Udaipur - 313 001, India

  • Submitted|

  • First Online |

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Cite article:- Shah M.A, Deora V.S. (2025). GENETIC VARIABILITY AND ASSOCIATION STUDIES IN WHEAT FOR GRAIN YIELD ANDTEMPERATURE TOLERANCE PARAMETERS. Indian Journal of Agricultural Research. 36(3): 172 - 176. doi: .

ABSTRACT

Genetic variability for grain yield, its attributes and temperature tolerance were estimated in 39 genotypes of bread wheat under normal and water stress environmental conditions. High GCV, high heritability and high genetic gain was recorded for GSI, flag leaf blade area, chlorophyll content and relative injury percentage. Significant and positive correlation of grain yield was observed with biological yield, harvest index, 1000-grain weight and seedling vigour index in both the environments. Where as relative injury had negative association with grain yield. Grain yield was primarily dependent on the direct contribution of harvest index and biological yield

KEYWORDS

    REFERENCES

    1. Behl, R.K. (1990). In: Summer Institute on Innovative Methdtls and Emerging Trends in Plant Breeding Research. HAU, Hissar.
    2. BUlion, G.w. (1952). In: Proc. 6th International Grassland Congress. 227-228.
    3. Dewey, D.R. and Lu, K.H. (1959). Agron. J. 51:515-518..
    4. Jibouri, HA (19.58). Agron. J. 50: 633-637.
    5. 176 INDIAN JOURNAL OF AGRICULTURAL RESEARCH
    6. Kulshresta, v.P. (1995). Crop Improv. 22: 200-206.
    7. Nayeem, K.A. and Mahajan, A.R. (1991). Indian J. Genet., 51: 363-369.
    8. Shah, M.A..(1998). Indian J. Agric. Res., 32: 105-110.
    9. Singh, RK and Choudhary, B.D. (1985). Biometrical Methods in Quantitative Genetics Analysis. Kalyani Publisher, Ludhiana.
    10. Sullivan, C.Y. and Ross, W.M. (1979). In:, Stress Physiology in Crop Plants. (Mussel, H. and Staples, R.C. Eels.) John Wiley & Sons Inc. New York: pp-263-281
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    Indian Journal of Agricultural Research
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      volume 36 issue 3 (september 2002) : 172 - 176

      GENETIC VARIABILITY AND ASSOCIATION STUDIES IN WHEAT FOR GRAIN YIELD ANDTEMPERATURE TOLERANCE PARAMETERS

      M
      M.A Shah
      V
      V.S. Deora
      1Department of Plant Breeding and Genetics, Rajasthan College of Agriculture, Maharana Pratap University of Agriculture an~ Technology, Udaipur - 313 001, India

      • Submitted|

      • First Online |

      • doi

      Cite article:- Shah M.A, Deora V.S. (2025). GENETIC VARIABILITY AND ASSOCIATION STUDIES IN WHEAT FOR GRAIN YIELD ANDTEMPERATURE TOLERANCE PARAMETERS. Indian Journal of Agricultural Research. 36(3): 172 - 176. doi: .

      ABSTRACT

      Genetic variability for grain yield, its attributes and temperature tolerance were estimated in 39 genotypes of bread wheat under normal and water stress environmental conditions. High GCV, high heritability and high genetic gain was recorded for GSI, flag leaf blade area, chlorophyll content and relative injury percentage. Significant and positive correlation of grain yield was observed with biological yield, harvest index, 1000-grain weight and seedling vigour index in both the environments. Where as relative injury had negative association with grain yield. Grain yield was primarily dependent on the direct contribution of harvest index and biological yield

      KEYWORDS

        REFERENCES

        1. Behl, R.K. (1990). In: Summer Institute on Innovative Methdtls and Emerging Trends in Plant Breeding Research. HAU, Hissar.
        2. BUlion, G.w. (1952). In: Proc. 6th International Grassland Congress. 227-228.
        3. Dewey, D.R. and Lu, K.H. (1959). Agron. J. 51:515-518..
        4. Jibouri, HA (19.58). Agron. J. 50: 633-637.
        5. 176 INDIAN JOURNAL OF AGRICULTURAL RESEARCH
        6. Kulshresta, v.P. (1995). Crop Improv. 22: 200-206.
        7. Nayeem, K.A. and Mahajan, A.R. (1991). Indian J. Genet., 51: 363-369.
        8. Shah, M.A..(1998). Indian J. Agric. Res., 32: 105-110.
        9. Singh, RK and Choudhary, B.D. (1985). Biometrical Methods in Quantitative Genetics Analysis. Kalyani Publisher, Ludhiana.
        10. Sullivan, C.Y. and Ross, W.M. (1979). In:, Stress Physiology in Crop Plants. (Mussel, H. and Staples, R.C. Eels.) John Wiley & Sons Inc. New York: pp-263-281
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