@INPROCEEDINGS {OKONKWO:2010a, title = {Identifying mega-environment and targeting water yam genotypes for production in west Africa}, author = {Okonkwo, C. and Okechukwu, R. and Asiedu, R. }, booktitle = {Root and tuber crops for poverty alleviation through science and technology for sustainable development: proceedings of the 10th symposium of ISTRC-AB held from 8-12 October, 2007 in Maputo, Mozambique}, year = {2010}, pages = {360}, publisher = {ISTRC-AB}, note = {RTB; Root and Tuber; Yam.; ISBN: 99951-60-00-5; Hard copy pagination: 359-360}, }