1. African Centre for Crop Improvement, School of Agricultural, Earth and Environmental Sciences, College of Agriculture, Engineering and Science, University of KwaZulu-Natal, Pietermaritzburg, South Africa
2. Oil Seeds and Grain Legume Department, Naliendele Agricultural Research Institute, Mtwara, Tanzania
3. International Crops Research Institute for the Semi-Arid Tropics, Lilongwe, Malawi