Summary
In a full diallel set of crosses involving nine Albar 51 lines the genetic control of yield and yield components were largely accounted for by additive effects, although non-additive effects were evident. Significant differences in correlation coefficients between sites and the interaction of genetic effects indicate the effect of the environment on development and gene action. The failure to achieve yield improvements appears to stem from a combination of testing at the early selection stage in a single environment and of a narrow genetic base. The implications for future breeding programmes are discussed.
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Literature
Arnold, M.H.: Cotton improvement in East Africa. In: Crop Improvement in East Africa, ed. Leakey, C.L.A. Commonwealth Agricultural Bureaux Techn. Comm. 19, 178–208 (1971)
Arnold, M.H.; Costelloe, B.E.; Church, J.M.F.: BPA and SATU, Uganda's two new cotton varieties. Cotton Grow. Rev. 45, 162–174 (1968)
Arnold, M.H.; Innes, N.L.: Plant Breeding. In: Agricultural Research for Development. The Namulonge Contribution. London: Cotton Research Corporation and Cambridge University Press 1975 (in press)
Arnold, M.H.; Innes, N.L.; Gridley, H.E.: Cotton Breeding. Progr. Rep. Exp. Stas., Uganda, 1969–70. Cotton Res. Corp., London, 12–34 (1970)
Arnold, M.H.; Innes, N.L.; Gridley, H.E.: Cotton Breeding. Progr. Rep. Exp. Stas., Uganda, 1970–71. Cotton Res. Corp. London, 17–34 (1971)
Hayman, B.I.: The analysis of variance of diallel tables. Biometrics 10, 235–244 (1954)
Innes, N.L.; Gridley, H.E.; Busuulwa, L.N.: Cotton Breeding. Progr. Rep. Exp. Stas., Uganda, 1971–72. Cotton Res. Corp. London, 13–28 (1973)
Innes, N.L.; Wimble, R.H.; Gridley, H.E.: Estimates of genetic parameters for lint quality in upland cotton. Theor. and Appl. Gen., 46, 249–256 (1975)
Innes, N.L.; Jones, G.B.: Allen; a source of successful African cotton varieties. Cotton Grow. Rev. 49, 201–215 (1972)
Knight, R.: The relation between hybrid vigour and genotype-environment interactions. Theoret. and Appl. Gen. 43, 311–318 (1973)
Lee, B.J.S.; Walton, I.C.; Jackson, A.C.: Breeding and Agronomy. Progr. Rep. Exp. Stas., Tanzania, 1972–73. Cotton Res. Corp., London, 10–35 (1973)
Mather, K.; Jinks, J.L.: Biometrical Genetics; 2nd Ed. London: Chapman and Hall, 1971
St. Pierre, C.A.; Klinck, H.R.; Gauthier, F.M.: Early generation selection under different environments as it influences adaptation in barley. Can. J. Plant Sci. 47, 507–517 (1967)
Walker, J.T.: Selection and quantitative characters in field crops. Biol. Rev. 44, 207–243 (1969)
Wearden, S.: Alternative analyses of the diallel cross. Heredity 19, 669–680 (1964)
Weaver, J.B.; Ashley, T.: Analysis of a dominant gene for male sterility in Upland cotton, Gossypium hirsutum L. Crop Sci. 11, 596–598 (1971)
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Communicated by R. Riley
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Gridley, H.E. Breeding implications from a diallel analysis in two environments of yield and component characters in upland cotton (Gossypium hirsutum). Theoret. Appl. Genetics 46, 401–406 (1975). https://doi.org/10.1007/BF00281144
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DOI: https://doi.org/10.1007/BF00281144