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Mobilizing neglected and underutilized crop diversity for the future: fonio, a cereal from Western Africa

Barnaud Adeline, Bakasso Yacoubou, Barry Mamadou Billo, Catalayud Caroline, Causse Sandrine, Diop Baye Magatte, Gueye Mame Codou, Gueye Mathieu, Kane Ndjido Ardo, Mariac Cédric, Ngom Ablaye, Olodo Katina, Rivallan Ronan, Saidou Sani, Uyoh Edak A., Vigouroux Yves, Zekraoui Leïla, Billot Claire. 2019. Mobilizing neglected and underutilized crop diversity for the future: fonio, a cereal from Western Africa. In : Dedicated to the origins of agriculture and the domestication, evolution and utilization of genetic resources. Abstracts book. IRD, Bioversity International, Agropolis International, CIRAD, Montpellier SupAgro, Université de Montpellier, INRA. Montpellier : IRD, Résumé, p. 29. Jack R. Harlan International Symposium. 3, Montpellier, France, 3 June 2019/7 June 2019.

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Abstract : The FAO recently estimated that demand for food would increase by 70% by 2050. The challenge will not only be on increasing the food supply, but also on improving its nutritional value. Until now, despite the call for an increased use of underutilized crops to diversify alimentation and provide sustainable agriculture, those crops remain a largely untapped reservoir of agrobiodiversity. Are they really crops for the future? In this regard, fonio (Digitaria exilis Stapf) appears as a promising crop. It is an indigenous staple cereal from Western Africa regarded as a valuable source of income, especially for small-scale farmers. It plays a crucial role in food and nutrition security: short length cycles varieties can be harvested during the shortage season. Nevertheless, fonio remains largely under-studied compared to other African cereals such as sorghum or millet. The need to characterize its genetic resources and adaptive potential to the fast-evolving environmental pressures is therefore crucial. Herein, we assess the genetic diversity of fonio and its evolutionary history at both regional and local scale. We show that genetic diversity is highly linked to geographic origin, ethnic groups and climate conditions. We discuss the implication in terms of domestication history and conservation.

Mots-clés libres : Plant genetic resources management, Théâtre forum, Collaborative practices

Auteurs et affiliations

  • Barnaud Adeline, IRD (FRA)
  • Bakasso Yacoubou, Université Abdou Moumouni (NER)
  • Barry Mamadou Billo, IRAG (GIN)
  • Catalayud Caroline
  • Causse Sandrine, CIRAD-BIOS-UMR AGAP (FRA)
  • Diop Baye Magatte, CERAAS (SEN)
  • Gueye Mame Codou, CERAAS (SEN)
  • Gueye Mathieu, IFAN (SEN)
  • Kane Ndjido Ardo, ISRA (SEN)
  • Mariac Cédric, IRD (FRA)
  • Ngom Ablaye, UCAD (SEN)
  • Olodo Katina, LNRPV (SEN)
  • Rivallan Ronan, CIRAD-BIOS-UMR AGAP (FRA)
  • Saidou Sani, Université de Diffa (NER)
  • Uyoh Edak A., University of Calabar (NGA)
  • Vigouroux Yves, IRD (FRA)
  • Zekraoui Leïla, IRD (FRA)
  • Billot Claire, CIRAD-BIOS-UMR AGAP (FRA)

Source : Cirad-Agritrop (https://agritrop.cirad.fr/595517/)

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