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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  and
Joseph G. Kibuka
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.

Keywords

Stem borer complexMaliarpha separatellaDiopsis thoracicasesamia calamistisChilo partellus
Type
Research Article
Information
International Journal of Tropical Insect Science , Volume 3 , Issue 4 , December 1982 , pp. 267 - 269
Copyright
Copyright © ICIPE 1982

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References

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