Bridging the cassava productivity gap between Africa and the world: identification of elite CIAT lines adapted to Nigerian agro-ecologies - Okogbenin, Emmanuel; Egesi, Chiedozie N.; Mba, C.; Espinosa, E.; Santos Meléndez, Luís Guillermo; Ospina, C.; Marín, J.A.; Barrera Sabogal, E.; Gutiérrez Artunduaga, Janneth Patricia; Fregene, Martin A. (International Center for Tropical Agriculture, 2007)