References
- Acland, J. D. (1971) East African Crops. FAO Longman, London, pp. 112–113.
- Aryeetey, A. N. and; Laing, E. (1973). Inheritance of yield Components and their correlation with yield in Cowpea (Vigna unguiculata (L.) Walp). Euphytica 22. 386–392.
- Dewey, D. R. and Lu. K. H. (1959). A correlation and path-coefficient analysis of components of crested wheat grass seed production. Agron. J. 51, 515–518.
- Doku, E. V. (1970). Variability in local and exotic varieties of cowpea (Vigna iinqtiiiuhtla (L.) Walp) in Ghana. Ghana J. Agric. Sci. 3, 139–143.
- Godfrey-Sam-Aggrey, Francis. W. B. J. and Kamara, C. S. (1976). The protein evaluation of cowpca (Vigna unguiculata) and bannisccd (Sesenum indicum) from Sierra Leone. Trop. Sci. 18, 147–154.
- Goulden, C. H. (1954). Methods of statistical analysis. 2nd edn. John Willey and Sons Inc. New York.
- Imric, B. C. and Bray. R. A. (1983). Estimates of combining ability and variance components of grain yield and associated characters in cowpea, Proc. Aust. Plant Breeding Conf. pp. 202–204.
- Johnson, R. M. and Raymond, W. D. (1964). The chemical composition of some tropical plants. 2. Pigeon peas (Cajanus cajan) and cowpeas (Vigna unguiculata). Trop. Sci. 6, 68–73.
- Singh, K. B. and Mehndiratta, P. D. (1970). Genetic variability and correlation studies in Cowpea. Indian J. Genet., 29, 104–109.
- Sing, K. B. and Mehndiratta, P. D. (1970). Path analysis and selection indices for cowpea. Indian J. Genet, 30, 471–475.
- Summerfield, R. J., Huxley, P. A., and Steels, W. (1974). Cowpea (Vigna unguiculata) (L.) Walp. In: Field Crop Abstracts 27, 301–312.
- Tikka, S. B. S., Asawa, B.M., and Kumar, S. (1980). Character Correlations in cowpea under different environments. E. Afr. agric. For. J. 46, 1–5.