@ARTICLE {ODU:2006, title = {Reaction of white guinea yam (Dioscorea rotundata Poir.) genotypes to virus diseases in four agroecological zones in Nigeria}, author = {Odu, B. and Asiedu, R. and Shoyinka, S. * and Hughes, J. }, journal = {Journal of Phytopathology}, year = {2006}, volume = {154}, number = {11-12}, pages = {688--693}, issn = {0931-1785}, note = {RTB; Root and Tuber; Yam}, }