@INBOOK {ECHENDU:2005, title = {Whiteflies as vectors of plant viruses in cassava and sweetpotato in Africa: Nigeria}, author = {Echendu, T. and Ojo, J. and James, B. and Gbaguidi, B. }, editor = {Anderson, P. and Morales, F. }, year = {2005}, pages = {35--39}, publisher = {Centro Internacional de Agricultura Tropical (CIAT)}, note = {RTB; Root and Tuber}, }