1. African Centre for Crop Improvement; Univ. of KwaZulu-Natal; Private Bag X01 Scottsville 3209 Pietermaritzburg
2. South Africa and Tigray Agricultural Research Institute; Axum Agricultural Research Centre; P.O. Box 230 Axum Ethiopia
3. African Centre for Crop Improvement; Univ. of KwaZulu-Natal; Private Bag X01 Scottsville 3209 Pietermaritzburg South Africa
4. Ethiopian Institute of Agricultural Research; Debre-Zeit Agricultural Research Centre; National Tef Research Project; P.O. Box 32 Debre-Zeit Ethiopia