1. Institute for Basic Sciences Technology and Innovation, Pan African University, Nairobi, Kenya
2. National Potato Research Centre, Kenya Agricultural and Livestock Research Organization, Nairobi, Kenya
3. Department of Horticulture and Food Security, Jomo Kenyatta University of Agriculture and Technology, Juja, Kenya
4. Department of Botany, Jomo Kenyatta University of Agriculture and Technology, Juja, Kenya