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Population incidence and the control of maize stalk-borers Chilo partellus (Swinh.), C. orichalcociliellus Strand and Sesamia calamistis Hmps, in Coast Province, Kenya

Published online by Cambridge University Press:  19 September 2011

C. M. Warui  and
J. N. Kuria
C. M. Warui
Affiliation:
Coast Agricultural Research Station P.O. Box 16, Kikambala, Mombasa, Kenya
J. N. Kuria
Affiliation:
Coast Agricultural Research Station P.O. Box 16, Kikambala, Mombasa, Kenya
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Abstract

Three years work at Mtwapa Research Station summarises the fluctuation of Chilo spp. and Sesamia spp. Chilo partellus has been been shown to be just as important as C. orichalcociliellus nearer the coast, but Sesamia calamistis becomes important towards the second growing season.

The loss caused by these borers to maize plants in the field has been estimated to be high when no chemical treatment is applied, but such a loss varies with the intensity of infestation. Control of the borers by cultural methods relies on planting maize at the onset of rains. Selected chemical treatment at the appropriate time reduces the loss by about 20%.

Keywords

Chilo partellusSesamia calamistisChilo orichalcociliellusstalk-borermaizecultural methodschemical treatmentpopulation incidence
Type
Research Articles
Information
International Journal of Tropical Insect Science , Volume 4 , Special Issue 1-2: Crop-Borers and Emerging Strategies for their Control , June 1983 , pp. 11 - 18
Copyright
Copyright © ICIPE 1983

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