References
- Allard, R. W. and Bradshaw, A. D. (1964). Implications of genotype—environmental interactions in applied plant breeding. Crop. Sci. 4, 503–508.
- Doggett, H. (1967). Yield increase from sorghum hybrids. Nature Lond. 216, 798–799.
- Doggett, H. (1969). Yield of hybrid sorghums. Expl. Agric. 5, 1–8.
- Doggett, H. (1970). Sorghum, Longmans, Green & Co. Ltd., London.
- [5 Doggett, H. (1972). Recurrent selection in sorghum populations. Heredity 28, 9–29.
- Doggett, H. and Jowett, D. (1966). Yields of maize, sorghum varieties and sorghum hybrids in the East African Lowlands. J. agric. Sci. Camb. 67, 31–39.
- Eberhart, S. A. and Russell, W. A. (1966). Stabi lity parameters for comparing varieties. Crop Sci. 6, 36–40.
- Finlay, K. W. and Wilkinson, G. N. (1963). The analysis of adaptation in a plant breeding programme. Aust. J. Agric. Res. 14, 742–754.
- Majisu, B. N. (1971). Evaluation and utilization of sorghum germplasm. E. Afr. agric. For. J. 37, 129–141.
- Reich, V. H. and Atkins, R. E. (1970). Yield stability of four population types of grain sorghum. Sorghum bicolor (L) Moench, in different environments. Crop Sci. 10, 511–517.