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volume 40 issue 2 (june 2006) : 109 - 113

HETEROSIS IN RELATION TO PER SE AND SCA EFFECTS IN GRAIN SORGHUM {SORGHUM BICOLOR (L.) MOENCH}

K
K. Iyanar1
A
A. Gopalan2
1Centre for Plant Breeding and Genetics, Tamil Nadu Agricultural University, Coimbatore - 641 003, India

  • Submitted|

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Cite article:- Iyanar1 K., Gopalan2 A. (2025). HETEROSIS IN RELATION TO PER SE AND SCA EFFECTS IN GRAIN SORGHUM {SORGHUM BICOLOR (L.) MOENCH}. Indian Journal of Agricultural Research. 40(2): 109 - 113. doi: .

ABSTRACT

Close association between per se performance of hybrids and heterosis was observed for all
the traits except for leaf number and seed yield, suggesting that the selection of the crosses
based on per se performance would be more realistic in sorghum. In the present study the
hybrids 2077A x SPV 1192 recorded high per se and significant heterosis for grain yield and
panicle weight and hence it could be exploited for commercial hybrid seed production. It was
evident that high x high general combiners produced high per se and significant sca effects
couple with higher SCA variance with significant heterosis for seed yield and panicle weight in
the hybrid 2077A x SPV 1192 indicating the importance of non additive gene action which could
be exploited for developing hybrids in sorghum.

KEYWORDS

    REFERENCES

    1. Fasoulas, A. (1980). Principles and Methods of Plant Breeding. Pub. No.11. Department of Genetics and Plant Breeding, Aristotellian Univ. of Tessaioniki, Greece.
    2. Ganesh, S. et al. (1996). Madras Agric. J., 84: 323-325.
    3. Kempthrone, O. (1957). An Introduction to Genetic Statistics. John Wiley and Sons, Inc. New York.
    4. Nandanwankar, K.G. (1990). Indian J. Genet., 50: 83-85.
    5. Reddy, J.N. and Joshi, P. (1993). Indian J. Genet., 53: 138-146.
    6. Sankarapandian, R. et al. (1994). Ann. Agric. Res., 15: 199-204.
    7. Sharma, S.M. (1994). Proc. of group discussion, 14 June 1994. DOR, Hyderabad, pp.8-15.
    8. Snedecor, G.W and Cochran. W.G. (1983). Statistical Methods (Sixth ed.) Oxford and IBH, New Delhi. 838 p. Vashi, P.S. (1982). Indian. J. Genet., 53: 138-146.
    9. Veerabadhiran, P. et al. (1994). Madras Agric. J., 81: 643-646.
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    Indian Journal of Agricultural Research
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      volume 40 issue 2 (june 2006) : 109 - 113

      HETEROSIS IN RELATION TO PER SE AND SCA EFFECTS IN GRAIN SORGHUM {SORGHUM BICOLOR (L.) MOENCH}

      K
      K. Iyanar1
      A
      A. Gopalan2
      1Centre for Plant Breeding and Genetics, Tamil Nadu Agricultural University, Coimbatore - 641 003, India

      • Submitted|

      • First Online |

      • doi

      Cite article:- Iyanar1 K., Gopalan2 A. (2025). HETEROSIS IN RELATION TO PER SE AND SCA EFFECTS IN GRAIN SORGHUM {SORGHUM BICOLOR (L.) MOENCH}. Indian Journal of Agricultural Research. 40(2): 109 - 113. doi: .

      ABSTRACT

      Close association between per se performance of hybrids and heterosis was observed for all
      the traits except for leaf number and seed yield, suggesting that the selection of the crosses
      based on per se performance would be more realistic in sorghum. In the present study the
      hybrids 2077A x SPV 1192 recorded high per se and significant heterosis for grain yield and
      panicle weight and hence it could be exploited for commercial hybrid seed production. It was
      evident that high x high general combiners produced high per se and significant sca effects
      couple with higher SCA variance with significant heterosis for seed yield and panicle weight in
      the hybrid 2077A x SPV 1192 indicating the importance of non additive gene action which could
      be exploited for developing hybrids in sorghum.

      KEYWORDS

        REFERENCES

        1. Fasoulas, A. (1980). Principles and Methods of Plant Breeding. Pub. No.11. Department of Genetics and Plant Breeding, Aristotellian Univ. of Tessaioniki, Greece.
        2. Ganesh, S. et al. (1996). Madras Agric. J., 84: 323-325.
        3. Kempthrone, O. (1957). An Introduction to Genetic Statistics. John Wiley and Sons, Inc. New York.
        4. Nandanwankar, K.G. (1990). Indian J. Genet., 50: 83-85.
        5. Reddy, J.N. and Joshi, P. (1993). Indian J. Genet., 53: 138-146.
        6. Sankarapandian, R. et al. (1994). Ann. Agric. Res., 15: 199-204.
        7. Sharma, S.M. (1994). Proc. of group discussion, 14 June 1994. DOR, Hyderabad, pp.8-15.
        8. Snedecor, G.W and Cochran. W.G. (1983). Statistical Methods (Sixth ed.) Oxford and IBH, New Delhi. 838 p. Vashi, P.S. (1982). Indian. J. Genet., 53: 138-146.
        9. Veerabadhiran, P. et al. (1994). Madras Agric. J., 81: 643-646.
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