Source: National Crops Resources Research Institute, Namulonge, P.O. Box 7084, Kampala, Uganda. Tel:+256 414 573016 in collaboration with Integrated Soil Productivity Initiative through Research and Education (INSPIRE) P. O. Box 21990 Kampala, Uganda Tel. +256 312 263218/9 and International Centre of Insect Physiology and Ecology (ICIPE), Kenya