Improving yam : using biotechnology : 1. Rapid production of disease free germplasm Tropical root and tuber crops : changing role in a modern worl : program and abstracts /Malaurie, Bernard /Tardieu, Franck /Thouvenel, Jean-Claude CONSERVATION DES RESSOURCES GENETIQUES IGNAME GERMOPLASME CULTURE IN VITRO MERISTEME LUTTE PHYTOSANITAIRE VIRUS ISTRC 1988 text https://www.documentation.ird.fr/hor/fdi:010033425 fdi:010033425 Malaurie Bernard, Tardieu Franck, Thouvenel Jean-Claude. Improving yam : using biotechnology : 1. Rapid production of disease free germplasm. In : . Tropical root and tuber crops : changing role in a modern worl : program and abstracts ISTRC, 1988, 51 Symposium of International Society for Tropical Root Crops, Bangkok (THA), 1988/10-11/30-5 EN