1. Pan African University Life and Earth Sciences Institute (Including Health and Agriculture), University of Ibadan, Ibadan 200284, Nigeria
2. International Institute of Tropical Agriculture (IITA), Ibadan 200001, Nigeria
3. Department of Crop and Horticultural Sciences, University of Ibadan, Ibadan 200284, Nigeria
4. Biosciences Laboratory, Joseph KI-Zerbo University, Ouagadougou 7021, Burkina Faso