@INPROCEEDINGS {NG: 1994b, title = {Embryo culture of yam: germination and callus induction}, author = {Ng, S. Y. C. and Ngu, M. A. and Ladeinde, T. A. O. *}, editor = {Akoroda, M. }, booktitle = {Root crops for food security in Africa: proccedings of the Fifth Triennial Symposium of the International Society for Tropical Root Crops-Africa Branch, 22-28 November 1992, Kampala, Uganda}, year = {1994}, pages = {141--144}, publisher = {ISTRC-AB; CTA; International Institute of Tropical Agriculture (IITA)}, address = {Kampala, Uganda}, note = {RTB; Root and Tuber; Yam}, }