@ARTICLE {OKECHUKWU:2011, title = {Distribution of improved varieties of cassava and potential impact on root yield and disease reduction in Nigeria}, author = {Okechukwu, R. and Kehinde, I. A. * and Afolabi, C. and James, B. and Egesi, C. N. *}, journal = {African Journal of Root and Tuber Crops}, year = {2011}, volume = {9}, number = {1}, pages = {58--63}, issn = {1118-2075}, note = {RTB; Root and Tuber; Cassava}, }