Utilization of biological insecticides for the protection of stored yam chips
The processing of yam into dehydrated chips is used extensively in certain areas of West Africa to stabilize the product. However, the chips are often severely attacked by borers, which can reduce whole stocks to powder within a few months. The level of protection provided by various biological prod...
| Autores principales: | , , , , |
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| Formato: | Journal Article |
| Lenguaje: | Inglés |
| Publicado: |
SAGE Publications
2005
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| Materias: | |
| Acceso en línea: | https://hdl.handle.net/10568/96064 |
| _version_ | 1855513852425273344 |
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| author | Vernier, Philippe Georgen, G. Dossou, R. Letourmy, P. Chaume, J. |
| author_browse | Chaume, J. Dossou, R. Georgen, G. Letourmy, P. Vernier, Philippe |
| author_facet | Vernier, Philippe Georgen, G. Dossou, R. Letourmy, P. Chaume, J. |
| author_sort | Vernier, Philippe |
| collection | Repository of Agricultural Research Outputs (CGSpace) |
| description | The processing of yam into dehydrated chips is used extensively in certain areas of West Africa to stabilize the product. However, the chips are often severely attacked by borers, which can reduce whole stocks to powder within a few months. The level of protection provided by various biological products derived from neem (Azadirachta indica) and Crotalaria caricea was compared with that of a synthetic pesticide, Sofagrain™(1.5% deltamethrin + 0.5% pirimiphos-methyl), a reference chemical for stored products in Benin. Insect damage was assessed over a period of 10 months in the store room. Infestation was well controlled by all treatments for up to six months, after which only Sofagrain provided any protection. After 10 months, the chemical still provided a good level of protection, whereas the untreated control was severely attacked by the following insects: Dinoderus porcellus and D. bifoveolatus, Rhyzopertha dominica, Lasioderma serricorne, Palorus subdepressus and Tribolium castaneum. L. serricorne was the most abundant pest, followed by P. subdepressus and T. castaneum. Among the biological products used, the three neem-based treatments (oil, seed powder and leaf powder) gave the best level of protection, whilst Crotalaria seeds and periodic turning over of storage bags had little effect on reducing damage. |
| format | Journal Article |
| id | CGSpace96064 |
| institution | CGIAR Consortium |
| language | Inglés |
| publishDate | 2005 |
| publishDateRange | 2005 |
| publishDateSort | 2005 |
| publisher | SAGE Publications |
| publisherStr | SAGE Publications |
| record_format | dspace |
| spelling | CGSpace960642025-01-27T15:00:52Z Utilization of biological insecticides for the protection of stored yam chips Vernier, Philippe Georgen, G. Dossou, R. Letourmy, P. Chaume, J. biological control yams insecticides ecology The processing of yam into dehydrated chips is used extensively in certain areas of West Africa to stabilize the product. However, the chips are often severely attacked by borers, which can reduce whole stocks to powder within a few months. The level of protection provided by various biological products derived from neem (Azadirachta indica) and Crotalaria caricea was compared with that of a synthetic pesticide, Sofagrain™(1.5% deltamethrin + 0.5% pirimiphos-methyl), a reference chemical for stored products in Benin. Insect damage was assessed over a period of 10 months in the store room. Infestation was well controlled by all treatments for up to six months, after which only Sofagrain provided any protection. After 10 months, the chemical still provided a good level of protection, whereas the untreated control was severely attacked by the following insects: Dinoderus porcellus and D. bifoveolatus, Rhyzopertha dominica, Lasioderma serricorne, Palorus subdepressus and Tribolium castaneum. L. serricorne was the most abundant pest, followed by P. subdepressus and T. castaneum. Among the biological products used, the three neem-based treatments (oil, seed powder and leaf powder) gave the best level of protection, whilst Crotalaria seeds and periodic turning over of storage bags had little effect on reducing damage. 2005-09 2018-07-05T06:30:34Z 2018-07-05T06:30:34Z Journal Article https://hdl.handle.net/10568/96064 en Limited Access SAGE Publications Vernier, P., Goergen, G., Dossou, R., Letourmy, P. & Chaume, J. (2005). Utilization of biological insecticides for the protection of stored yam chips. Outlook on Agriculture, 34(3), 173-179. |
| spellingShingle | biological control yams insecticides ecology Vernier, Philippe Georgen, G. Dossou, R. Letourmy, P. Chaume, J. Utilization of biological insecticides for the protection of stored yam chips |
| title | Utilization of biological insecticides for the protection of stored yam chips |
| title_full | Utilization of biological insecticides for the protection of stored yam chips |
| title_fullStr | Utilization of biological insecticides for the protection of stored yam chips |
| title_full_unstemmed | Utilization of biological insecticides for the protection of stored yam chips |
| title_short | Utilization of biological insecticides for the protection of stored yam chips |
| title_sort | utilization of biological insecticides for the protection of stored yam chips |
| topic | biological control yams insecticides ecology |
| url | https://hdl.handle.net/10568/96064 |
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