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| Content Provider | African Journals Online (AJOL) |
|---|---|
| Author | A Orobiyi M Dansi A Dansi S Faouziath AA Gbaguidi BA Akouegninou |
| Abstract | L’existence d’impacts néfastes du changement climatique sur la production agricole en Afrique subsaharienne est maintenant solidement établie. Pour documenter les connaissances endogènes relatives au changement climatique, identifier les contraintes qui y sont associées et qui affectent la production et la diversité du niébé et du voandzou au Bénin et examiner les stratégies adaptatives localement utilisées, 40 villages sélectionnés dans différentes zones agroécologiques du Bénin ont été prospectés. Des méthodes d’analyses qualitatives et quantitatives ont permis de comprendre que les attaques des insectes aux champs et au cours de stockage restent les contraintes prioritaires. L’analyse du choix des méthodes d’adaptation face aux changements climatiques a montré que l’âge du producteur de niébé affecte de façon positive l’adoption des pratiques culturales (p<0,05) et des stratégies multiples (p<0,1) ; le sexe influence de façon significative (p<0,001) mais négative le choix des producteurs de voandzou à utiliser des variétés résistantes et de multiples stratégies. Le nombre de manoeuvres utilisé par ces producteurs influence de façon significative le choix de multiples stratégies (p<0,001). Des programmes nationaux de lutte contre les effets liés aux changements climatiques sont à mettre en place afin de préserver les ressources génétiques de niébé et du voandzou au Bénin.© 2015 International Formulae Group. All rights reserved.Mots clés: Bénin, contraintes, changement climatique, pratique culturale, niébé, voandzouEnglish Title: Endogenous knowledge and farmers’ perceptions of the impact of the climatic changes on the production and the diversity of cowpea (Vigna unguiculata (L.) Walp.) and Bambara groundnut (Vigna subterranea (L.) Verdc.) in BeninEnglish AbstractThe existence of harmful impacts of climate change on the agricultural production in sub-Saharan Africa is now firmly established. To document endogenous knowledge relating to the climate change, to identify the constraints which are associated to it and which jeopardize the production and the diversity of cowpea and Bambara groundnut in Benin and to examine the adaptive strategies locally used, 40 villages selected in various agro ecologic areas from Benin were surveyed. Methods of qualitative and quantitative analyses made it possible to understand that the attacks of insects to the fields and during storage remain the priority constraints. The analysis of the choice of the methods of adaptation as regards to the climate changes showed that the age of the producer of cowpea affects in a positive way the adoption of the cultivation methods (p<0.05) and multiple strategies (p<0.1); the sex influences to a significant degree (p<0,001) but negative the choice of the producers of Bambara groundnut to use resistant varieties and multiple strategies. The number of operations used by these producers influences to a significant degree the choice of multiple strategies (p<0,001). National programs to struggle against the effects related to the climatic changes are to be set up in order to preserve the genetic resources of cowpea and Bambara groundnut in Benin.© 2015 International Formulae Group. All rights reserved. |
| Ending Page | 2541 |
| Starting Page | 2520 |
| File Format | |
| ISSN | 19918631 |
| e-ISSN | 1997342X |
| DOI | 10.4314/ijbcs.v9i5.23 |
| Journal | International Journal of Biological and Chemical Sciences |
| Issue Number | 5 |
| Volume Number | 9 |
| Language | English French |
| Publisher Date | 2016-02-05 |
| Access Restriction | Open |
| Subject Keyword | Biology Life Sciences Chemistry Mathematics Physics General Science Bénin contraintes changement climatique pratique culturale niébé voandzou Benin Bambara groundnut constraints climate change cowpea practical farming |
| Content Type | Text |
| Resource Type | Article |
| Subject | Decision Sciences Chemistry Biotechnology Molecular Biology |
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