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Alternative host plants of sugar-cane stem-borers in southern Ghana

Published online by Cambridge University Press:  19 September 2011

M. A. Sampson  and
R. Kumar
M. A. Sampson
Affiliation:
Department of Biological Sciences, Rivers State University of Science and Technology, P.M.B. 5080, Port Harcourt, Nigeria
R. Kumar*
Affiliation:
Department of Biological Sciences, Rivers State University of Science and Technology, P.M.B. 5080, Port Harcourt, Nigeria
*
* Address all correspondence to Professor R. Kumar.
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Abstract

Zea mays L. and Rottboellia exaltata L. were the main graminaceous plant species infested by Eldana saccharina Walker, the major pest of sugar-cane in southern Ghana. Other stem-borers of sugar-cane, Sesamia botanephaga Tams and Bowden, Sesamia penniseti Tams and Bowden, Sesamia calamistis Hampson and Chilo zacconius Bleszynski, were recorded on Zea mays, Echinocloa pyramidalis (Lamk.) et Chase, Rottboellia exaltata, Panicum maximum Jacquin and Oryza sativa L.

All the stem-borer populations except E. saccharina on Rottboellia exaltata increased on their host plants. Sesamia and Chilo species were present from January to December on Echinocloa pyramidalis. It is concluded that these alternative host plants provide a potential source of stem-borer infestation on sugar-cane at Asutsuare in southern Ghana.

Résumé

Zea mays L. et Rottboellia exaltata L. etaient les principales espèces de plantes graminéss infectées par Eldana saccharina Walker, la peste majeure de la canne à sucre, au sud du Ghana. D'autres fouisseurs à tige qui ont été trouvés sur la canne à sucre sont: Sesamia botanephaga Tams et Bowden, Sesamia penniseti Tams et Bowden, Sesamia calamists Hampson, et Chilo zacconius Bleszynski.

Ces espèces ont un plus large éventail de plantes-hôtes qu' Eldana saccharina.

Les plantes-hôtes alternatives des espèces de sesamia et Chilo etaint: Zea mays, Echinocloa pyramidalis (Lamk.) et Chase, Rottboellia exaltata, Panicum maximum Jacquin et Oryza sativa L. Tous les fouisseurs à tige, (sauf Eldana saccharina sur Rottobellia exaltata) ont manifesté une pullulation de leurs populations sur leurs plantes-hôtes.

Des espèces de Sesamia et Chilo étaient présentes en plus grand nombre sur Echinocloa pyramidalis, que sur la canne à Sucre, entre les mois de Janvier et de Décembre. Cela démontre une meilleure adaptabilité sur des herbes sauvages, en comparant celles-ci à la canne à sucre.

Keywords

Sugar-caneboreralternative hostpopulationsurveyGhanaLa canne à sucrel'hotê alternativela populationl'examenle Ghana
Type
Research Articles
Information
International Journal of Tropical Insect Science , Volume 7 , Issue 4 , August 1986 , pp. 539 - 541
Copyright
Copyright © ICIPE 1986

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References

REFERENCES

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