ArticleTAG. Theoretical and applied genetics. Theoretische und angewandte Genetik2007
Genetic diversity and population differentiation of traditional fonio millet (Digitaria spp.) landraces from different agro-ecological zones of West Africa.
Article in TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik, 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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10 citing papers in PubMed, 100 citations in OpenAlex.
- Phylogenetics and evolution of Digitaria grasses, including cereal crops fonio, raishan and Polish millet.Annals of botany · 2026Article
- Independent domestication and cultivation histories of two West African indigenous fonio millet crops.Nature communications · 2025Article
- Article
- Genome sequence and genetic diversity analysis of an under-domesticated orphan crop, white fonio (Digitaria exilis).GigaScience · 2021Article
- Agricultural diversification in West Africa: an archaeobotanical study of the site of Sadia (Dogon Country, Mali).Archaeological and anthropological sciences · 2021Article
- Deciphering the Genetic Diversity of Landraces With High-Throughput SNP Genotyping of DNA Bulks: Methodology and Application to the Maize 50k Array.Frontiers in plant science · 2020Article
- Effect of processing method on physico-chemical and functional properties of two fonio (Digitaria exilis) landraces.Journal of food science and technology · 2015Article
- Diversity of the neglected and underutilized crop species of importance in Benin.TheScientificWorldJournal · 2012Article
- Developments on the cereal grains Digitaria exilis (acha) and Digitaria iburua (iburu).Journal of food science and technology · 2011Article
- Genetic structure and isolation by distance in a landrace of Thai rice.Proceedings of the National Academy of Sciences of the United States of America · 2009Article
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Authors and funding
8 authors at 4 institutions in 3 countries.
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No grant is acknowledged in the PubMed record.
Abstract
Fonio millets (Digitaria exilis Stapf, D. iburua Stapf) are valuable indigenous staple food crops in West Africa. In order to investigate the genetic diversity and population differentiation in these millets, a total of 122 accessions from five countries (Benin, Burkina Faso, Guinea, Mali and Togo) were analysed by Amplified Fragment Length Polymorphisms (AFLPs). Genetic distance-based UPGMA clustering and principal coordinate analysis revealed a clear-cut differentiation between the two species and a clustering of D. exilis accessions in three major genetic groups fitting to their geographical origins. Shannon's diversity index detected in D. iburua was low (H = 0.02). In D. exilis, the most widespread cultivated species, moderate levels of genetic diversity (Shannon's diversity H = 0.267; Nei's gene diversity H' = 0.355) were detected. This genetic diversity is unequally distributed with the essential part observed in the Upper Niger River basin while a very low diversity is present in the Atacora mountain zone. Analysis of molecular variance (AMOVA) revealed that a large part of the genetic variation resides among the genetic groups (70%) and the country of origin (56%), indicating a clear genetic differentiation within D. exilis. Influence of mating system (inbreeding or apomixis), agricultural selection and ecological adaptations as well as founding effects in the genetic make-up of the landraces were visible and seemed to jointly contribute to the genetic structure detected in this species. The genetic variability found between the analysed accessions was weakly correlated with their phenotypic attributes. However, the genetic groups identified differed significantly in their mean performance for some agro-morphologic traits. The results obtained are relevant for fonio millets breeding, conservation and management of their genetic resources in West Africa.
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