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The effect of time of planting on four bean (Phaseolus vulgaris) genotypes in Kenya

Published online by Cambridge University Press:  27 March 2009

N. M. Fisher
N. M. Fisher
Affiliation:
Department of Crop Science, University of Nairobi, P.O. Box 30197, Nairobi, Kenya
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Summary

Four genotypes of dry beans were compared at three planting dates during one season (April to June, 1976) and four planting dates during a second season (November 1976 to January 1977). Yield declined with delay in planting in both seasons but in the second season yields were lower at the first planting and declined less rapidly. Canadian Wonder was the most stable-yielding genotype and had highest mean yield though it may have been inferior to other genotypes at the two most favourable plantings. Its stability was attributed to drought escape and good field resistance to drought and disease. Mexican 142 was the least stable genotype. A black-seeded landrace yielded well in dry conditions in spite of its long duration.

The most important components determining planting date effects on yield were numbers of pods per plant and seeds per pod. Canadian Wonder had markedly more stable numbers of pods than any other genotype.

Cooler temperatures in July and August retarded crop development in the first season. For one planting of the second season, flowering was retarded by 7–10 days in all genotypes and this was apparently an effect of water shortage. No effect of water was apparent on the time taken from flowering to maturity.

Type
Research Article
Information
The Journal of Agricultural Science , Volume 95 , Issue 2 , October 1980 , pp. 401 - 408
Copyright
Copyright © Cambridge University Press 1980

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References

Acland, J. D. (1971). East African Crops, pp. 20–25. F.A.O., Longmans.Google Scholar
Cannell, M. G. R. (1973). Effects of irrigation, mulch and N fertilizers on yield components of Arabica coffee in Kenya. Experimental Agriculture 9, 225–232.CrossRefGoogle Scholar
Dewey, D. R. & Lu, K. H. (1959). A correlation and path coefficient analysis of components of crested wheat grass seed production. Agronomy Journal 51, 515–517.CrossRefGoogle Scholar
Finlay, K. W. & Wilkinson, G. N. (1963). The analysis of adaptation in a plant breeding programme. Australian Journal of Agricultural Research 14, 742–754.CrossRefGoogle Scholar
Fisher, N. M. (1977). Studies in mixed cropping. II. Population pressures in maize–bean mixtures. Experimental Agriculture 13, 185–191.CrossRefGoogle Scholar
Hardwick, R. C, Hardaker, J. M. & Innes, N. L. (1978). Yield and components of yield of dry beans (Phaseolus vulgaris L.) in the United Kingdom. Journal of Agricultural Science, Cambridge 90, 291–297.Google Scholar
Ishag, H. M. & Ayoub, A. T. (1974). Effect of sowing date and soil type on yield, yield components and survival of dry beans. Journal of Agricultural Science, Cambridge 82, 343–347.CrossRefGoogle Scholar
Leakey, C. L. A. (1970). The improvement of beans in East Africa. In Crop Improvement in East Africa (ed. Leakey, C. L. A.), pp. 99–128. Commonwealth Agricultural Bureaux.Google Scholar
Maurer, A. R., Ormrod, D. P. & Scott, J. S. (1969). Effect of five soil water regimes on growth and composition of snap beans. Canadian Journal of Plant Science 49, 271–278.CrossRefGoogle Scholar
Robins, J. S. & Domingo, C. E. (1956). Moisture deficits in relation to the growth and development of dry beans. Agronomy Journal 48, 67–70.Google Scholar
Scholander, P. F., Hammet, H. J., Hemmingsen, E. A. & Broadstreet, E. D. (1965). Sap pressure in vascular plants. Science 148, 339–346.CrossRefGoogle ScholarPubMed
Shrivastava, M. N. & Sharma, K. K. (1976). Analysis of path coefficients in rice. Zeitschrift fur Pflanzenzuchtung 77, 174–177.Google Scholar
Stoker, R. (1974). Effect on dwarf beans of water stress at different phases of growth. New Zealand Journal of Experimental Agriculture 2, 13–15.Google Scholar