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Current IssueEditorial BoardOnline First ArticlesArchive

volume 49 issue 1 (february 2015) : 65-70,   Doi: 10.5958/0976-058X.2015.00009.8

Genetic diversity analysis of durum wheat (Triticum durum Desf.)

T
Tejbir Singh
1Department of Genetics and Plant Breeding, Kisan P.G. College, Simbhaoli-245207 (Hapur) India
Cite article:- Singh Tejbir (2025). Genetic diversity analysis of durum wheat (Triticum durum Desf.). Indian Journal of Agricultural Research. 49(1): 65-70. doi: 10.5958/0976-058X.2015.00009.8.

ABSTRACT

The present study has been designed to study the genetic divergence and clustering pattern in different environments and to identify most divergent genotypes of durum wheat to be used as donor parent genotypes for breeding high yielding genotypes. To meet the objective, fifty genotypes were grown in four environments in RBD with three replications to estimate the genetic divergence and clustering pattern of genotypes. Analysis of variance suggested that sufficient variability existed in the material. The mean squares due to environment were significant for majority of the characters studied indicating that the environments were variable for testing the material. The fifty genotypes of durum wheat were grouped in seven clusters in all the environments. In environment I, maximum inter-cluster distance was observed between cluster I and VI (7.40) in environment II between cluster III and V (6.224), in environment III between cluster IV and VI (6.735) and in environment IV between cluster II and III (6.571). The maximum contribution to genetic divergence was made by number of spikelets per spike followed by number of grains per spike and 100-grain weight. DDW-01 and NI-59 were identified as the most divergent genotypes.  The environment- I and III (timely sowing during both year) was optimum for the fullest expression of genotypes for character plant height, number of spikelets per spike, number of grains per spike, biological yield and harvest index.

REFERENCES

  1. Dixit, R.K (1980). Genetic divergence for yield and its components in lentil. Indian J. Agric. Sci., 50: 222-224.
  2. Gashaw, A G.; Moh. Hussein. and Singh H. (2008). Analysis of genetic divergence in durum wheat (Triticum durum Desf.) and selection of elite parents by hybridization. Ethiopian J. Biol. Sci. 7: 111-121.
  3. Habgood, R.M. (1977). Estimation of genetic diversity of self fertilizing cereal cultivars on genotype- environment interaction. Euphytica, 26: 485-489.
  4. Mahalanobis, P.C. (1936). On the generalized distances in statistics. Proc. Natl. Inst. Sci. India, 2: 49-55.
  5. Murty, B.R., Anand, I.J. and Arunachalam, V. (1965). Sub-specific differentiation in Nicotiana rustica L. Indian J. Genet., 25: 217-223.
  6. Murty, B.R. and Anand, I.J. (1966). Combining ability and genetic divergence in some varieties of Linum usitatissimum. Indian J. Genet., 26: 188-198.
  7. Peshattiwar, P.D. (2009). Genetic divergence in durum wheat cultivars. Int. J. Agric. Sci. 5: 243—247.
  8. Prasad, S.V.S. and Pandey, H.N. (2000). Evaluation of variability parameters, character association and genetic distance in Triticum durum genetic stock. Madras Agric. J., 87(1-3): 26-29.
  9. Ramanujam, S.; Tiwari, A.S. and Mehra, R.B. (1974). Genetic divergence and hybrid performance in mungbean. Theor. Appl. Genet., 45: 211-214.
  10. Rao, C.R. (1952): Advanced Statistical Methods in Biometrical Research. John Wiley & Sons, New York.
  11. Sangwan, O.; Verma, S.R. and Kumar, Y. (2004). Genetic diversity in some germplasm lines of macaroni wheat (Triticum durum Desf.). J. Res. HAU, 32(2): 139-142.
  12. Shoran, Jag.; Tyagi, B.S.; Singh, G. and Singh, R.P. (2005). Genetic analysis of economic traits in durum wheat. Wheat Inf. Serv., 99: 41-45.
  13. Singh, D. and Gupta, P.K. (1984). Genetic divergence among thirty one genotypes of toria (Brassica compestris L.) grown in twelve environments. Theor. Appl. Genet., 69: 129-131.
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    volume 49 issue 1 (february 2015) : 65-70,   Doi: 10.5958/0976-058X.2015.00009.8

    Genetic diversity analysis of durum wheat (Triticum durum Desf.)

    T
    Tejbir Singh
    1Department of Genetics and Plant Breeding, Kisan P.G. College, Simbhaoli-245207 (Hapur) India
    Cite article:- Singh Tejbir (2025). Genetic diversity analysis of durum wheat (Triticum durum Desf.). Indian Journal of Agricultural Research. 49(1): 65-70. doi: 10.5958/0976-058X.2015.00009.8.

    ABSTRACT

    The present study has been designed to study the genetic divergence and clustering pattern in different environments and to identify most divergent genotypes of durum wheat to be used as donor parent genotypes for breeding high yielding genotypes. To meet the objective, fifty genotypes were grown in four environments in RBD with three replications to estimate the genetic divergence and clustering pattern of genotypes. Analysis of variance suggested that sufficient variability existed in the material. The mean squares due to environment were significant for majority of the characters studied indicating that the environments were variable for testing the material. The fifty genotypes of durum wheat were grouped in seven clusters in all the environments. In environment I, maximum inter-cluster distance was observed between cluster I and VI (7.40) in environment II between cluster III and V (6.224), in environment III between cluster IV and VI (6.735) and in environment IV between cluster II and III (6.571). The maximum contribution to genetic divergence was made by number of spikelets per spike followed by number of grains per spike and 100-grain weight. DDW-01 and NI-59 were identified as the most divergent genotypes.  The environment- I and III (timely sowing during both year) was optimum for the fullest expression of genotypes for character plant height, number of spikelets per spike, number of grains per spike, biological yield and harvest index.

    REFERENCES

    1. Dixit, R.K (1980). Genetic divergence for yield and its components in lentil. Indian J. Agric. Sci., 50: 222-224.
    2. Gashaw, A G.; Moh. Hussein. and Singh H. (2008). Analysis of genetic divergence in durum wheat (Triticum durum Desf.) and selection of elite parents by hybridization. Ethiopian J. Biol. Sci. 7: 111-121.
    3. Habgood, R.M. (1977). Estimation of genetic diversity of self fertilizing cereal cultivars on genotype- environment interaction. Euphytica, 26: 485-489.
    4. Mahalanobis, P.C. (1936). On the generalized distances in statistics. Proc. Natl. Inst. Sci. India, 2: 49-55.
    5. Murty, B.R., Anand, I.J. and Arunachalam, V. (1965). Sub-specific differentiation in Nicotiana rustica L. Indian J. Genet., 25: 217-223.
    6. Murty, B.R. and Anand, I.J. (1966). Combining ability and genetic divergence in some varieties of Linum usitatissimum. Indian J. Genet., 26: 188-198.
    7. Peshattiwar, P.D. (2009). Genetic divergence in durum wheat cultivars. Int. J. Agric. Sci. 5: 243—247.
    8. Prasad, S.V.S. and Pandey, H.N. (2000). Evaluation of variability parameters, character association and genetic distance in Triticum durum genetic stock. Madras Agric. J., 87(1-3): 26-29.
    9. Ramanujam, S.; Tiwari, A.S. and Mehra, R.B. (1974). Genetic divergence and hybrid performance in mungbean. Theor. Appl. Genet., 45: 211-214.
    10. Rao, C.R. (1952): Advanced Statistical Methods in Biometrical Research. John Wiley & Sons, New York.
    11. Sangwan, O.; Verma, S.R. and Kumar, Y. (2004). Genetic diversity in some germplasm lines of macaroni wheat (Triticum durum Desf.). J. Res. HAU, 32(2): 139-142.
    12. Shoran, Jag.; Tyagi, B.S.; Singh, G. and Singh, R.P. (2005). Genetic analysis of economic traits in durum wheat. Wheat Inf. Serv., 99: 41-45.
    13. Singh, D. and Gupta, P.K. (1984). Genetic divergence among thirty one genotypes of toria (Brassica compestris L.) grown in twelve environments. Theor. Appl. Genet., 69: 129-131.
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