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Biodiversité et domestication des ignames en Afrique de l’Ouest

Traditional Practices Giving Rise to Dioscorea rotundata Poir

by Roland Dumont (writer), Jeanne Zoundjihèkpon (writer), Alexandre Dansi (writer), Philippe Vernier (writer)
Collection: Repères
july 2005
eBook [ePub]
160 x 240 format Download after purchase
11,99 €
eBook [PDF]
160 x 240 format 132 pages Download after purchase
11,99 €

A study of yam domestication practices among smallholders has provided an insight into how farmers exploit wild plant genetic resources so as to adapt them to agriculture. This book describes the domestication operations giving rise to Dioscorea rotundata yams in Africa. The biodiversity of these yams and of their wild relatives is investigated, and the authors put forward hypotheses to explain the phenotypic changes resulting from smallholder practices. These hypotheses could be possible lines of research for breeders.



L’igname Dioscorea rotundata Poir.

·        Les aspects botaniques

·        Distribution géographique

·        Origines botaniques des ignames Dioscorea rotundata

·        L’organisation de la diversité chez Dioscorea rotundata


Les ignames sauvages Dioscorea praehensilis Benth et

 Dioscorea abyssinica Hochst ex Kunth

·        Aspects généraux

·        L’espèce Dioscorea praehensilis

·        L’espèce Dioscorea abyssinica

·        Addenda : L’espèce Dioscorea togoensis Knuth


Les phénomènes susceptibles d’expliquer la variabilité des

 ignames sauvages et domestiquées

·        Une suite de perturbations climatiques

·        Une succession de pressions anthropiques

·        Des flux de gènes réciproques entre ignames sauvages et cultivées


Biodiversity and Domestication of Yams in West Africa Traditional Practices Leading to Dioscorea rotundata Poir.

eBook 11,99 €

Philippe Vernier, Alexandre Dansi, Jeanne Zoundjihèkpon, Roland Dumont

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Language(s): French

Publisher: Cirad

Co-publisher: IPGRI

Edition: 1st edition

Collection: Repères

Published: 5 july 2005

Reference eBook [ePub]: CI942EPB

Reference eBook [PDF]: CI942NUM

EAN13 eBook [ePub]: 9782759211111

EAN13 eBook [PDF]: 9782759207909

Interior: Two-colour

Pages count eBook [PDF]: 132

Size: 7,6 Mo (ePub), 8,3 Mo (PDF)