Harlod Katondo
Bvumbwe Agricultural Research Station, P.O. Box 5748 Limbe, Malawi.
Malawi

Moses Maliro
Lilongwe University of Agriculture and Natural Resources, P.O. Box 219 Lilongwe, Malawi.
Malawi

Abel Sefasi
Lilongwe University of Agriculture and Natural Resources, P.O. Box 219 Lilongwe, Malawi.
Malawi

Joyce Njoloma
Lilongwe University of Agriculture and Natural Resources, P.O. Box 219 Lilongwe, Malawi.
Malawi

Willard Mbewe
Malawi University of Science and Technology, P. O. Box 5196, Limbe. Malawi.
Malawi