Kwame Nkrumah University of Science and Technology, Ghana, Kwame Nkrumah University of Science and Technology, Ghana, Kwame Nkrumah University of Science and Technology, Ghana, International Institute of Tropical Agriculture (IITA), Institut National de Recherche Agronomique du Niger, Kindo Seeds, Institut National de Recherche Agronomique du Niger, Savanna Agricultural Research Institute (CSIR), Savanna Agricultural Research Institute (CSIR), Kindo Seeds and Kwame Nkrumah University of Science and Technology, Ghana