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Pakistan Journal of Biological Sciences

Year: 2003 | Volume: 6 | Issue: 23 | Page No.: 1945-1948
Research Article

Gene Action in a Five Parent Diallel Cross of Spring Wheat (Triticum aestivum L.)

Abdus Salam Khan
Department of Plant Breeding and Genetics, University of Agriculture, Faisalabad, Pakistan
Imran Habib
Department of Plant Breeding and Genetics, University of Agriculture, Faisalabad, Pakistan
In the present study graphic analysis was made for 5x5 diallel cross involving wheat varieties/lines viz., Tobari-66, SARC-1, 4943, 4072 and 4770 to determine genetic mechanism controlling some important yield components during crop season 2001-2002. Number of tillers per plant and grain weight per spike were governed by over-dominance type of gene action while plant height and peduncle length were controlled by partial dominance with additive type of gene action. Whereas, 1000-grain weight exhibited partial dominance type of gene action. Genotype Tobari-66 possessed maximum dominant genes for plant height and peduncle length and SARC-1 for number of tillers per plant. While genotype 4072 had maximum dominant genes for traits like grain weight per spike and 1000-grain weight. Epistasis was absent for all the above mentioned traits. For the traits like plant height, peduncle length and 1000-grain weight, selection in early generation will be fruitful whereas delayed selection should be preferred for the traits like number of tillers per plant and grain weight per spike.
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References

  1. Ali, Z., A.S. Khan and T.M. Khan, 1999. Gene action for plant height, grain yield and its components in spring wheat. Pak. J. Biol. Sci., 2: 1561-1563.
    CrossRefDirect Link
  2. Chaudhry, M.A., M.A. Chowdhry, M. Ahsan and I. Khaliq, 2001. Gene system governing plant height and some drought related leaf characteristics in spring wheat. Pak. J. Biol. Sci., 4: 977-979.
    CrossRefDirect Link
  3. Hayman, B.I., 1954. The theory and analysis of diallel crosses. Genetics, 39: 789-809.
    Direct Link
  4. Hayman, B.I., 1958. The theory and analysis of diallel crosses. II. Genetics, 43: 63-85.
    Direct Link
  5. Jinks, J.L., 1954. The analysis of continuous variation in diallel crosses of Nicotiana rustica varieties. Genetics, 39: 767-788.
  6. Kashif, M., J. Ahmad, M.A. Chowdhry and K. Perveen, 2003. Study of genetic architecture of some important agronomic traits in durum wheat (Triticum durum Desf.). Asian J. Plant Sci., 2: 708-712.
    CrossRefDirect Link
  7. Khan, A.S., M.K.R. Khan and T.M. Khan, 2000. Genetic analysis of plant height, grain yield and other traits in wheat (Triticum aestivum L.). Int. J. Agric. Biol., 2: 129-132.
  8. Rahman, M.A., N.A. Siddquie, M.R. Alam, A.S.M.M.R. Khan and M.S. Alam, 2003. Genetic analysis of some yield contributing and quality characters in spring wheat (Triticum aestivum). Asian J. Plant Sci., 2: 277-282.
    CrossRefDirect Link
  9. Seitkhozhaev, A.I., G.I. Balan and S.S. H'lchev, 1990. Study of the heritability of quantitative characters in winter wheat varieties and hybrids. Materialy Respublikanskoi konferentsii, Alma-Ata, Noyabrya, pp: 18-22.
  10. Steel, R.G.D. and J.H. Torrie, 1980. Principles and Procedures of Statistics: A Biometrical Approach. 2nd Edn., McGraw Hill, New York, United States, ISBN-13: 9780070609266, Pages: 633.
    Direct Link
  11. Subhani, G.M. and M.A. Chowdhry, 2000. Inheritance of yield and some other morpho-physiological plant attributes in bread wheat under irrigated and drought stress conditions. Pak. J. Biol. Sci., 3: 983-987.
    CrossRefDirect Link
  12. Jinks, J.L., 1955. A survey of the genetical basis of heterosis in a variety of diallel crosses. Heredity, 9: 223-238.
    CrossRefDirect Link

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