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Dwarf variety of coconut, Cocos nucifera (Palmae), a hostplant for the African armyworm, Spodoptera exempta (Wlk.) (Lepidoptera, Noctuidae)

Published online by Cambridge University Press:  19 September 2011

J. G. Yarro ,
B. L. Otindo ,
A. G. Gatehouse  and
M. C. Lubega
J. G. Yarro
Affiliation:
International Centre of Insect Physiology and Ecology, P.O. Box 30772, Nairobi, Kenya
B. L. Otindo
Affiliation:
International Centre of Insect Physiology and Ecology, P.O. Box 30772, Nairobi, Kenya
A. G. Gatehouse
Affiliation:
Department of Applied Zoology, University College of North Wales, Bangor, Gwynedd, United Kingdom
M. C. Lubega
Affiliation:
International Centre of Insect Physiology and Ecology, P.O. Box 30772, Nairobi, Kenya
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Abstract

The dwarf variety of coconut, Cocos nucifera L. (Palmae), was found to be eaten by the larvae of the African armyworm, Spodoptera exempta (Wlk.). The comparison of the armyworm infestation on the leaves of the coconut seedlings and the adjacent grass species revealed lower larval density and growth rate on coconut seedlings. This observation suggests that a small population of the African armyworm can survive and develop on the leaves of the dwarf variety of coconut.

Keywords

Cocos nuciferacoconut dwarf varietyarmyworm hostplantsSpodoptera exemptaoutbreak
Type
Research Article
Information
International Journal of Tropical Insect Science , Volume 1 , Issue 4 , December 1981 , pp. 361 - 362
Copyright
Copyright © ICIPE 1981

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References

REFERANCES

Baker, G. L. (1978) An outbreak of Spodoptera exempta (Wlk.) (Lepidoptera: Noctuidae) in the highlands of Papua NewGuinea. Papua New Guin. agric. J. 29, 11–25.Google Scholar
Brown, E. S. and Mohamed, A. K. A. (1972) The relation ship between simulated armyworm damage and crop loss in maize and sorghum. E. Afr. agric. For. J. 37, 237–257.CrossRefGoogle Scholar
Faure, J. C. (1943) Phase variation in the armyworm Laphygma exempta. Sci. Bull. Dep. Agric. S. Afr. 234, 1–17.Google Scholar