The role of abiotic factors on both mango infestation and Sternochetus mangiferae abundances in mango agroecosystems in Benin
To develop management strategies for the mango seed weevil (Sternochetus mangiferae), we surveyed infestation levels of the pest in three agroecological zones of Benin and determined the influences of abiotic factors on mango infestation levels and population dynamics in mango orchards at IITA-Benin...
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| Format: | Journal Article |
| Language: | Inglés |
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Springer
2018
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| Online Access: | https://hdl.handle.net/10568/108669 |
| _version_ | 1855527473579556864 |
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| author | Dassou, A.G. Gnanvossou, D. Hanna, R. Bokonon-Ganta, A.H. |
| author_browse | Bokonon-Ganta, A.H. Dassou, A.G. Gnanvossou, D. Hanna, R. |
| author_facet | Dassou, A.G. Gnanvossou, D. Hanna, R. Bokonon-Ganta, A.H. |
| author_sort | Dassou, A.G. |
| collection | Repository of Agricultural Research Outputs (CGSpace) |
| description | To develop management strategies for the mango seed weevil (Sternochetus mangiferae), we surveyed infestation levels of the pest in three agroecological zones of Benin and determined the influences of abiotic factors on mango infestation levels and population dynamics in mango orchards at IITA-Benin from 2009 to 2011. We collected immature and mature fruits from the canopy and fallen fruits from under the canopy from three randomly selected trees per cultivar, per orchard. Samples were examined to determine the number of the mango seed weevil eggs to adults during the rainy seasons of three years of the study. Our results show that the highest abundance of both the weevil and its eggs was from March to May of each year. In the first year of sampling, the cultivar Eldon was more infested than the other two cultivars, while during the second and third years, the cultivar Alphonse was most infested. The occurrence of the weevil was almost nil in the hot agroecological zones, while for the mango cultivars of IITA-Benin the percentage of infested fruit increased or decreased according to the studied variables, such as temperature, rainfall, and relative humidity. We found that the period from March to May with low temperatures and high rainfall was favourable to the population increase of mango seed weevils. We discuss possible implications of our findings for the management of the pest. |
| format | Journal Article |
| id | CGSpace108669 |
| institution | CGIAR Consortium |
| language | Inglés |
| publishDate | 2018 |
| publishDateRange | 2018 |
| publishDateSort | 2018 |
| publisher | Springer |
| publisherStr | Springer |
| record_format | dspace |
| spelling | CGSpace1086692025-12-08T09:54:28Z The role of abiotic factors on both mango infestation and Sternochetus mangiferae abundances in mango agroecosystems in Benin Dassou, A.G. Gnanvossou, D. Hanna, R. Bokonon-Ganta, A.H. mangoes varieties abiotic factors benin agroecosystems curculionidae To develop management strategies for the mango seed weevil (Sternochetus mangiferae), we surveyed infestation levels of the pest in three agroecological zones of Benin and determined the influences of abiotic factors on mango infestation levels and population dynamics in mango orchards at IITA-Benin from 2009 to 2011. We collected immature and mature fruits from the canopy and fallen fruits from under the canopy from three randomly selected trees per cultivar, per orchard. Samples were examined to determine the number of the mango seed weevil eggs to adults during the rainy seasons of three years of the study. Our results show that the highest abundance of both the weevil and its eggs was from March to May of each year. In the first year of sampling, the cultivar Eldon was more infested than the other two cultivars, while during the second and third years, the cultivar Alphonse was most infested. The occurrence of the weevil was almost nil in the hot agroecological zones, while for the mango cultivars of IITA-Benin the percentage of infested fruit increased or decreased according to the studied variables, such as temperature, rainfall, and relative humidity. We found that the period from March to May with low temperatures and high rainfall was favourable to the population increase of mango seed weevils. We discuss possible implications of our findings for the management of the pest. 2018-09 2020-07-03T10:46:46Z 2020-07-03T10:46:46Z Journal Article https://hdl.handle.net/10568/108669 en Limited Access Springer Dassou, A.G., Gnanvossou, D., Hanna, R. & Bokonon-Ganta, A.H. (2018). The role of abiotic factors on both mango infestation and Sternochetus mangiferae abundances in mango agroecosystems in Benin. International Journal of Tropical Insect Science, 38(3), 232-242. |
| spellingShingle | mangoes varieties abiotic factors benin agroecosystems curculionidae Dassou, A.G. Gnanvossou, D. Hanna, R. Bokonon-Ganta, A.H. The role of abiotic factors on both mango infestation and Sternochetus mangiferae abundances in mango agroecosystems in Benin |
| title | The role of abiotic factors on both mango infestation and Sternochetus mangiferae abundances in mango agroecosystems in Benin |
| title_full | The role of abiotic factors on both mango infestation and Sternochetus mangiferae abundances in mango agroecosystems in Benin |
| title_fullStr | The role of abiotic factors on both mango infestation and Sternochetus mangiferae abundances in mango agroecosystems in Benin |
| title_full_unstemmed | The role of abiotic factors on both mango infestation and Sternochetus mangiferae abundances in mango agroecosystems in Benin |
| title_short | The role of abiotic factors on both mango infestation and Sternochetus mangiferae abundances in mango agroecosystems in Benin |
| title_sort | role of abiotic factors on both mango infestation and sternochetus mangiferae abundances in mango agroecosystems in benin |
| topic | mangoes varieties abiotic factors benin agroecosystems curculionidae |
| url | https://hdl.handle.net/10568/108669 |
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