Publications Scientifiques

[ Livre ] Biodiversity and domestication of yams in West Africa : Traditional practices leading to Dioscorea rotundata Poir.

Date de soumission: 13-03-2017
Année de Publication: 2006
Entité/Laboratoire Laboratoire de Génétique Ecologique
Document type : Livre
Discipline(s) : Génétique et Amélioration des Plantes
Titre Biodiversity and domestication of yams in West Africa : Traditional practices leading to Dioscorea rotundata Poir.
Auteurs Dumont Roland [1], Dansi Alexandre [2], Vernier Philippe [3], ZOUNDJIHEKPON JEANNE [4],
Editeur: Up date Sciences and Technologies
Edition: CIRAD - IPGRI
ISBN: ISBN (CIRAD) : 2-87614-632-0 ISBN-13 (IPGRI): 978-92-9043-704-8 ISBN-10 (IPGRI) : 92-9043-704-9 ISSN : 1773-7923
DOI:
Resume It also otters one of the few remaining opportunities to understand how farmers use their empirical knowledge to tap the genetic resources of wild plants and create products suitable for agriculture. Yam agronomists and breeders have, until recently, focused little attention on this process of organizing and generating agrobiodiversity. This book aims to fill the gap by pooling existing knowledge on the subject. This original field offers a wealth of prospects for scientific progress at a time when scientists are becoming increasingly aware of the fact that local farmers’ knowledge and practices relating to genetic resource management substantially enhances the potential for technical progress and adaptation to environmental change. The focus is deliberately only on domestication leading to Dioscorea rotundata yams, the type most widely cultivated in west Africa. Several chapters are devoted to the biodiversity of Dioscorea rotundata yams and the wild forms from which they derive. The authors conclude by putting forward hypotheses to explain the phenotype transformations induced by domestication practices and their mantenance by vegetative propagation. Further research, especially by geneticists, is needed to confirm these hypotheses. Some are already being assessed, using the most advenced molecular maker analysis techniques, by joint teams of scientisits from developed and developing countries.
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