@INBOOK {BERNER:2003, title = {The role of biological control in integrated management of Striga species in Africa}, author = {Berner, D. K. and Sauerborn, J. and Hess, D. E. * and Emechebe, A. }, editor = {Neuenschwander, P. and Borgemeister, C. and Langewald, J. }, year = {2003}, type = {Enhancing food value of plants}, pages = {259--276}, publisher = {CABI, Wallingford, UK}, }