1. African Agricultural Technology Foundation P.O Box 30709‐00100 Nairobi Kenya
2. Kenya Agricultural and Livestock Research Organization (KALRO) P.O. Box 57811‐ 00200 Nairobi Kenya
3. International Maize and Wheat Improvement Center. P.O Box 30677‐ 00100 Nairobi Kenya
4. Rural Outreach Program (ROP) Africa P.O. Box 29086‐00625 Nairobi Kenya