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The effect of artificial defoliation on the growth of Pinus kesiya and Pinus oocarpa in Zambia

Published online by Cambridge University Press:  19 September 2011

Kari Löyttyniemi
Affiliation:
Division of Forest Research, P.O. Box 22099, Kitwe, Zambia
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Abstract

The results of this experiment, where insect defoliation was simulated by artificial defoliation, suggest that Pinus kesiya and P. oocarpa trees in Zambia survive after complete defoliation, and that the reduction in growth may remain economically tolerable.

Type
Research Article
Copyright
Copyright © ICIPE 1981

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References

REFERENCES

Austarå, Ø. (1970) The effect of artificial defoliation on the growth of Pinus patula in East Africa. E. Afr. agric. for. J. 36, 114118.CrossRefGoogle Scholar
Browne, F. G. (1968) Pests and Diseases of Forest Plantation Trees. Clarendon Press, Oxford.Google Scholar
Craighead, F. G. (1940) The effect of artificial defoliation on pine and larch. J. For. 38, 885888.Google Scholar
Grobler, J. H. (1956) Some aspects of the biology, ecology and control of the pine brown tail moth Euproctis terminalis Walk. Bull. Dep. Agric. For. Un. S. Afr.Google Scholar
Hepburn, G. A. and Ledolff, J. (1964) A new forest pest in South Africa (Neocleora herbuloti Fletcher, order Lepidoptera, family Geometridae). For. S. Afr. 4, 118.Google Scholar
Löyttyniemi, K. (1980) A preliminary annotated list of pine insects in Zambia. Division of Forest Research, Zambia, Research Note No. 26.Google Scholar
O'neil, L. C. (1962) Some effects of artificial defoliation on the growth of Jack pine (Pinus banksiana Lamb.). Can. J. Bot. 40, 273280.Google Scholar
Pinhey, E. C. (1975) Moths of Southern Africa. Tafelberg, Cape Town.Google Scholar
Schmutzenhofer, H. (1978) Information about insect pests on pines of certain tropical countries. Proceedings of the Joint Meeting of IUFRO Working Parties on Diseases of Tropical Pines and Pine Insects in the Tropics, 1978, Medellin, Colombia.Google Scholar
Schwenke, W. (Ed.) (1978) Die Forstschädlinge Europas. J. Schmetterlinge. Paul Parey, Hamburg.Google Scholar
Tooke, F. G. C. (1938) Investigations on the biology of Euproctis terminalis, Walk., the pine brown tail moth and its control by aeroplane and ground dusting. Bull. Dep. Agric. For. Un. S. Afr. 179, 148.Google Scholar