@BOOK {ADACHI:2006, title = {Breeding of yam}, author = {Adachi, T. and Inaizumi, H. and Kikuno, H. and Shiwachi, H. and Toyohara, H. and Nakasone, K. }, booktitle = {Root and tuber crops in Africa: cassava and yam}, year = {2006}, publisher = {Japan Association for International Collaboration of Agriculture and Forestry (JICAF)}, address = {Tokyo, Japan}, note = {RTB; Root and Tuber}, }