@INPROCEEDINGS {HUGHES:2004, title = {Safe and effective international movement of vegetatively propagated crops in sub-Saharan Africa}, author = {Hughes, J. and Asiedu, R. and Ayodele, M. and Dixon, A. and Tenkouano, A. }, booktitle = {Book of Abstracts of the 9th Triennial Symposium of the International Society for Tropical Root Crops-Africa Branch, 31 October-5 November 2004, Mombasa, Kenya}, year = {2004}, }