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Occurrence and abundance of rice stem borers at Mbita Point in Western kenya

Published online by Cambridge University Press:  19 September 2011

Jeremy J. Njokah
Affiliation:
International Centre of Insect Physiology and Ecology (ICIPE), P.O. Box 30772, Nairobi, Kenya
Joseph G. Kibuka
Affiliation:
International Centre of Insect Physiology and Ecology (ICIPE), P.O. Box 30772, Nairobi, Kenya
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Abstract

Surveys on the stem borer complex of rice were initiated at Mbita Point Field Station during 1980–1981. Stem borers collected and identified so far included Maliarpha separatella Rag; Diopsis thoracica West; Sesamia calamistis Hmps., and Chilo partellus Wlk. Among these four species, M. separatella was the most abundant and showed highest infestation during the reproductive and ripening phases of the rice crop. D. thoracica was found to cause greatest damage on the crop during the crop's tillering phase. It is suggested that there may be differences in Maliarpha infestation due to rice varieties.

Type
Research Article
Copyright
Copyright © ICIPE 1982

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References

REFERENCES

Agyen-Sampong, M. (1978) The ecology of rice stem borersin West Africa. A paper presented at the inauguration of the African Association of Insect Scientists at the International Centre of Insect Physiology and Ecology(ICIPE) Nairobi, Kenya, December 5–8, 1978.Google Scholar
Anon (1977) Warda (West African Rice Development Association) Annual Report p. 85.Google Scholar
Anon (1978) WARDA (West African Rice Development Association) Annual Report 3, 2930.Google Scholar
Catling, H. D. (1980) Pests and diseases of deep water rice in Bangladesh. ADAB News. 7, 910.Google Scholar
Halteren, P. van (1977) Yield losses and economic injury levels of rice insect pests in South Sulawesi, Indonesia. Int. Rice. Res. Newsl. 4. Aug. 1977.Google Scholar
Khan, D. U., Khan, S. A., Amin, M. R. and Alam, M. S. (1975) The assessment of yield loss of Boro paddy caused by rice stem borer. Bangladesh J. Zool. 3, 4348.Google Scholar
Pathak, M. D. (1975) Insect Pests of Rice and their Control. International Rice Research Institute, Los Banos, Laguna.Google Scholar
Soejitno, J. (1977) Relation between damage by rice stem borer Tryporyza incertulas and yield of rice variety Pelita 1–1. Int. Rice Res. Newsl. 4. Aug. 1977.Google Scholar