Infestation and population dynamics of insects on stored cassava and yams chips in Benin, West Africa
Natural insect infestation in cassava (Manihot esculenta Crantz subspecies esculenta) and yam (Dioscorea spp.) chips was evaluated during two consecutive storage seasons (2003-2004 and 2004-2005) in two agroecological zones of Benin (Northern Guinea Savanna [NGS] and Sudan Savanna [SS]). The insects...
| Autores principales: | , , , |
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| Formato: | Journal Article |
| Lenguaje: | Inglés |
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Oxford University Press
2008
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| Acceso en línea: | https://hdl.handle.net/10568/68352 |
| _version_ | 1855517439831310336 |
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| author | Gnonlonfin, G.J.B. Hell, K. Siame, A.B. Fandohan, P. |
| author_browse | Fandohan, P. Gnonlonfin, G.J.B. Hell, K. Siame, A.B. |
| author_facet | Gnonlonfin, G.J.B. Hell, K. Siame, A.B. Fandohan, P. |
| author_sort | Gnonlonfin, G.J.B. |
| collection | Repository of Agricultural Research Outputs (CGSpace) |
| description | Natural insect infestation in cassava (Manihot esculenta Crantz subspecies esculenta) and yam (Dioscorea spp.) chips was evaluated during two consecutive storage seasons (2003-2004 and 2004-2005) in two agroecological zones of Benin (Northern Guinea Savanna [NGS] and Sudan Savanna [SS]). The insects infesting chips were collected, identified, and counted, they included Prostephanus truncatus (Horn) (Coleoptera: Bostrychidae), Cathartus quadricollis (Guerin) (Coleoptera: Silvanidae), Carpophilus dimidiatus (F.) (Coleoptera: Nitidulidae), Tribolium castaneum (Herbst) (Coleoptera: Tenebrionidae), and Sitophilus zeamais Motschulsky (Coleoptera: Curculionidae). P. truncatus and C. quadricollis were observed with a higher prevalence on cassava than on yam chips. During both seasons after 3 mo of storage, all (100%) cassava chip samples were infested with P. truncatus and C. quadricollis in both agroecological zones, whereas yam chips only showed lower infestation rates of 59.5 and 19.1% for P. truncatus and C. quadricollis, respectively, at the end of storage in 2003-2004. During the 2004-2005 season after 3 mo of storage infestation rate in yam chips was 66 and 24% in NGS and 100 and 0% in SS for P. truncatus and C. quadricollis, respectively, showing that insect infestation levels vary significantly with commodity, year, and fluctuate during the storage season. |
| format | Journal Article |
| id | CGSpace68352 |
| institution | CGIAR Consortium |
| language | Inglés |
| publishDate | 2008 |
| publishDateRange | 2008 |
| publishDateSort | 2008 |
| publisher | Oxford University Press |
| publisherStr | Oxford University Press |
| record_format | dspace |
| spelling | CGSpace683522024-08-27T10:35:03Z Infestation and population dynamics of insects on stored cassava and yams chips in Benin, West Africa Gnonlonfin, G.J.B. Hell, K. Siame, A.B. Fandohan, P. cassava ecology Natural insect infestation in cassava (Manihot esculenta Crantz subspecies esculenta) and yam (Dioscorea spp.) chips was evaluated during two consecutive storage seasons (2003-2004 and 2004-2005) in two agroecological zones of Benin (Northern Guinea Savanna [NGS] and Sudan Savanna [SS]). The insects infesting chips were collected, identified, and counted, they included Prostephanus truncatus (Horn) (Coleoptera: Bostrychidae), Cathartus quadricollis (Guerin) (Coleoptera: Silvanidae), Carpophilus dimidiatus (F.) (Coleoptera: Nitidulidae), Tribolium castaneum (Herbst) (Coleoptera: Tenebrionidae), and Sitophilus zeamais Motschulsky (Coleoptera: Curculionidae). P. truncatus and C. quadricollis were observed with a higher prevalence on cassava than on yam chips. During both seasons after 3 mo of storage, all (100%) cassava chip samples were infested with P. truncatus and C. quadricollis in both agroecological zones, whereas yam chips only showed lower infestation rates of 59.5 and 19.1% for P. truncatus and C. quadricollis, respectively, at the end of storage in 2003-2004. During the 2004-2005 season after 3 mo of storage infestation rate in yam chips was 66 and 24% in NGS and 100 and 0% in SS for P. truncatus and C. quadricollis, respectively, showing that insect infestation levels vary significantly with commodity, year, and fluctuate during the storage season. 2008-12-01 2015-09-30T10:55:52Z 2015-09-30T10:55:52Z Journal Article https://hdl.handle.net/10568/68352 en Limited Access Oxford University Press Gnonlonfin, G.J.B., Hell, K., Siame, A.B. and Fandohan, P. 2009. Infestation and population dynamics of insects on stored cassava and yams chips in Benin, West Africa. Journal of Economic Entomology 101(6):1967-1973. |
| spellingShingle | cassava ecology Gnonlonfin, G.J.B. Hell, K. Siame, A.B. Fandohan, P. Infestation and population dynamics of insects on stored cassava and yams chips in Benin, West Africa |
| title | Infestation and population dynamics of insects on stored cassava and yams chips in Benin, West Africa |
| title_full | Infestation and population dynamics of insects on stored cassava and yams chips in Benin, West Africa |
| title_fullStr | Infestation and population dynamics of insects on stored cassava and yams chips in Benin, West Africa |
| title_full_unstemmed | Infestation and population dynamics of insects on stored cassava and yams chips in Benin, West Africa |
| title_short | Infestation and population dynamics of insects on stored cassava and yams chips in Benin, West Africa |
| title_sort | infestation and population dynamics of insects on stored cassava and yams chips in benin west africa |
| topic | cassava ecology |
| url | https://hdl.handle.net/10568/68352 |
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