@ARTICLE {ILE:2006, title = {Phases of dormancy in yam tubers (Dioscorea rotundata Poir.)}, author = {Ile, E. and Craufurd, P. and Battey, N. and Asiedu, R. }, journal = {Annals of Botany}, year = {2006}, volume = {97}, pages = {497--504}, note = {RTB; Root and Tuber; Yam}, }