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Effects of Defoliation on Sex Differentiation in Oil Palm Clones

Published online by Cambridge University Press:  03 October 2008

R. H. V. Corley ,
M. Ng  and
C. R. Donough
R. H. V. Corley
Affiliation:
Unilever Plantations and Plant Science Group, Maris Lane, Trumpington, Cambridge CB2 2LQ, England,
M. Ng
Affiliation:
Pamol Plantations Sdn Bhd, Kluang, Johor, Malaysia
C. R. Donough
Affiliation:
Pamol Plantations Sdn Bhd, Kluang, Johor, Malaysia
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Summary

Defoliation affected inflorescence production by oil palms, causing a decrease in sex ratio (ratio of female inflorescences to total) and an increase in abortion rate. Clones differed in response to defoliation. One of seven clones showed no increase in abortion rate; in one clone there was a tendency for female inflorescences to abort in greater numbers than males. The change in sex ratio occurred much sooner after defoliation in some clones than in others, and comparison of flowering records with dissections done at the time of defoliation indicated that inflorescence sex was affected at more than one stage in development. This has important consequences for attempts to predict yields.

Type
Research Article
Information
Experimental Agriculture , Volume 31 , Issue 2 , April 1995 , pp. 177 - 190
Copyright
Copyright © Cambridge University Press 1995

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References

REFERENCES

Breure, C. J. & Corley, R. H. V. (1992). Fruiting activity, growth and yield of oil palm. II. Observations in untreated populations. Experimental Agriculture 28:111–121.CrossRefGoogle Scholar
Breure, C. J. & Menendez, T. (1990). The determination of bunch yield components in the development of inflorescences in oil palm (Elaeis guineensis Jacq.). Experimental Agriculture 26:99–115.CrossRefGoogle Scholar
Broekmans, A. F. M. (1957). Growth, flowering and yield of the oil palm in Nigeria. journal of the West African Institute for Oil Palm Research 2:187–220.Google Scholar
Corley, R. H. V. (1973). Oil palm physiology: a review. In Advances in Oil Palm Cultivation, 37–51 (Eds Wastie, R. L. and Earp, D. A.). Kuala Lumpur: Incorporated Society of Planters.Google Scholar
Corley, R. H. V. (1976 a). Inflorescence abortion and sex differentiation. In Oil Palm Research, 37–54 (Eds Corley, R. H. V., Hardon, J. J. and Wood, B. J.). Amsterdam: Elsevier.Google Scholar
Corley, R. H. V. (1976 b). Effects of severe leaf pruning on oil palm, and its possible use for selection purposes. Alalaysian Agricultural Research and Development Institute, Research Bulletin 4(2):23–28.Google Scholar
Corley, R. H. V. & Breure, C. J. (1992). Fruiting activity, growth and yield of oil palm. I. Effects of fruit removal. Experimental Agriculture 28:99–109.Google Scholar
Corley, R. H. V. & Hew, C. K. (1976). Pruning. In Oil Palm Research, 307–313 (Eds Corley, R. H. V., Hardon, J. J. and Wood, B. J.). Amsterdam: Elsevier.Google Scholar
Corley, R. H. V., Barrett, J. N. & Jones, L. H. (1977). Vegetative propagation of oil palm via tissue culture. In International Developments in Oil Palm, 1–8 (Eds Earp, D. A. and Newall, W.). Kuala Lumpur: Incorporated Society of Planters.Google Scholar
Fasoulas, A. (1979). The Honeycomb Field Designs. Publication No. 9, 1–70. Thessaloniki: Department of Genetics and Plant Breeding, Aristotelian University.Google Scholar
Hartley, C. W. S. (1977). The Oil Palm. Third Edition. London and New York: Longman.Google Scholar
Henry, P. (1960). Récherches cytologiques sur l'appareil floral et la graine chez Elaeis guineensis et Cocos nucifera. I. La formation de l'appareil floral. Revue générale de Botanique 68:111–132.Google Scholar
Jones, L. H. (1974). Propagation of clonal oil palms by tissue culture. Planter, Kuala Lumpur 50:374–381.Google Scholar
Jones, L. H. (1983) The oil palm and its clonal propagation by tissue culture. Biologist 30:181–188.Google Scholar
van Heel, W. A., Breure, C. J. & Menendez, T. (1987). The early development of inflorescences and flowers of the oil palm (Elaeis guineensis Jacq.) seen through the scanning electron microscope. Blumea 32:67–78.Google Scholar
Wood, B. J., Corley, R. H. V. & Goh, K. H. (1973). Studies on the effect of pest damage on oil palm yield. In Advances in Oil Palm Cultivation, 360–377 (Eds Wastie, R. L. and Earp, D. A.). Kuala Lumpur: Incorporated Society of Planters.Google Scholar