1. World Vegetable Center–West and Central Africa, Samanko Research Station, Bamako, Mali
2. Department of Microbiology and Plant Pathology, Forestry and Agricultural Biotechnology Institute (FABI), University of Pretoria, Pretoria, South Africa
3. Vegetable and Ornamental Plants–Agricultural Research Council, Pretoria, South Africa
4. Africa Rice Center (AfricaRice), c/o Central Agricultural Research Institute (CARI), Suakoko, Bong County, Monrovia, Liberia