1. Department of Crop Science, Faculty of Life Sciences, Gwanda State University, P.O. Box 30, Filabusi, Zimbabwe
2. Tobacco Industry and Marketing Board, Paradise Food Court, 5400 Off Chinhoyi University Campus, Chinhoyi, Zimbabwe
3. Department of Agronomy and Marketing, Agriseeds Zimbabwe Limited, Eastlea, Harare, Zimbabwe
4. Department of Agronomy and Marketing, Harare Institute of Technology, Belvedere, Harare, 15015, Zimbabwe
5. Swiftbird Investments, Harare International Airport, Harare, Zimbabwe
6. Tobacco Industry and Marketing Board, 429 Gleneagles Road, Southerton, Harare, Zimbabwe
7. Department of Crop Science, Bindura University of Science Education, Bindura, Zimbabwe