{"id":12673,"date":"2026-06-20T12:24:47","date_gmt":"2026-06-20T12:24:47","guid":{"rendered":"https:\/\/dev.iita.org\/news-item\/development-of-superior-cassava-cultivars-in-ghana-by-farmers-and-scientists\/"},"modified":"2026-06-20T12:24:47","modified_gmt":"2026-06-20T12:24:47","slug":"development-of-superior-cassava-cultivars-in-ghana-by-farmers-and-scientists","status":"publish","type":"news-item","link":"https:\/\/iita.org\/fr\/news-item\/development-of-superior-cassava-cultivars-in-ghana-by-farmers-and-scientists\/","title":{"rendered":"D\u00e9veloppement de cultivars de manioc sup\u00e9rieurs au Ghana par les agriculteurs et les scientifiques"},"content":{"rendered":"<p class=\"wp-block-paragraph\">D\u00e9veloppement de cultivars de manioc sup\u00e9rieurs au Ghana par les agriculteurs et les scientifiques : le processus adopt\u00e9, les r\u00e9sultats, les contributions et les r\u00f4les modifi\u00e9s des diff\u00e9rentes parties prenantes<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>R\u00e9sum\u00e9 :<\/strong> Un programme de s\u00e9lection participative impliquant des agriculteurs de deux communaut\u00e9s ghan\u00e9ennes et des chercheurs du CRI (Ghana) et de NRI (Royaume-Uni) pour d\u00e9velopper des cultivars de manioc sup\u00e9rieurs est d\u00e9crit. Les analyses de situation initiale des communaut\u00e9s ont indiqu\u00e9 que le manioc gagne en importance \u00e0 la fois comme culture vivri\u00e8re et de rente. La plupart des agriculteurs utilisaient des vari\u00e9t\u00e9s locales de manioc ; les vari\u00e9t\u00e9s modernes \u00e9taient \u00e0 peine mentionn\u00e9es. Les graines de 16 familles de demi-fr\u00e8res et s\u0153urs obtenues \u00e0 partir d'un bloc de croisement au Nigeria \u00e0 l'Institut international d'agriculture tropicale ont \u00e9t\u00e9 plant\u00e9es dans un champ dans chaque communaut\u00e9. Au cours du stade plantule et des g\u00e9n\u00e9rations clonales ult\u00e9rieures, les accessions s\u00e9lectionn\u00e9es soit par les agriculteurs, soit par les scientifiques, ont \u00e9t\u00e9 conserv\u00e9es pour la g\u00e9n\u00e9ration suivante. Ce processus de s\u00e9lection a permis d'identifier 29 accessions sup\u00e9rieures parmi 1350 plantules d'origine. Les agriculteurs ont \u00e9t\u00e9 relativement coh\u00e9rents dans leur s\u00e9lection d'une ann\u00e9e \u00e0 l'autre et leurs s\u00e9lections correspondaient \u00e0 leurs crit\u00e8res d\u00e9clar\u00e9s. L'homologation officielle des vari\u00e9t\u00e9s n\u00e9cessite des essais multilocaux et d'inspection suppl\u00e9mentaires ainsi que des analyses post-r\u00e9colte, mais semble par ailleurs harmonieuse avec une approche de s\u00e9lection participative ; notre implication pr\u00e9coce des agriculteurs peut faciliter une homologation rapide, un facteur important de rentabilit\u00e9. Un atelier des parties prenantes a confirm\u00e9 le besoin de march\u00e9s am\u00e9lior\u00e9s pour le manioc ; des enqu\u00eates sur les march\u00e9s actuels et potentiels ont conduit \u00e0 des essais sur le terrain avec des transformateurs de manioc. L'adoption d'une approche participative, avec des agriculteurs et des scientifiques assumant de nouveaux r\u00f4les et la d\u00e9centralisation des activit\u00e9s, implique un transfert concomitant d'influence et de ressources.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">J. A. Manu-Aduening<sup>1<\/sup>, R. I. Lamboll<sup>2<\/sup>, G. Ampong Mensah<sup>1<\/sup>, J. N. Lamptey<sup>1<\/sup>, E. Mo\u00efse<sup>1<\/sup>, A. A. Dankyi<sup>1<\/sup>  et R. W. Gibson<sup>2<\/sup><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">1 Crops Research Institute, B.P. 3785, Kumasi, Ghana<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">2 Natural Resources Institute, University of Greenwich, Central Ave, Chatham Maritime, Kent, ME4 4TB, Royaume-Uni<\/p>","protected":false},"excerpt":{"rendered":"<p>D\u00e9veloppement de cultivars de manioc sup\u00e9rieurs au Ghana par les agriculteurs et les scientifiques : Le processus adopt\u00e9, les r\u00e9sultats et contributions et l'\u00e9volution des r\u00f4les des diff\u00e9rentes parties prenantes<\/p>","protected":false},"featured_media":12674,"template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}}},"tags":[205],"science-area":[],"program":[],"location":[44],"news-type":[],"hub":[],"crop":[66],"impact-areas":[],"item-year":[184],"class_list":["post-12673","news-item","type-news-item","status-publish","has-post-thumbnail","hentry","tag-cassava","location-ghana","crop-cassava","item-year-184"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - 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