ArticleFrontiers in plant science2017
Genome Wide Association Study to Identify the Genetic Base of Smallholder Farmer Preferences of Durum Wheat Traits.
Article in Frontiers in plant science, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 24 papers.
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Who cites it
24 citing papers in PubMed.
- Genome-wide association mapping of native QTLs for Fusarium head blight resistance in US winter wheat.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2026Article
- The tricot approach: an agile framework for decentralized on-farm testing supported by citizen science. A retrospective.Agronomy for sustainable development · 2024Review
- Biocultural diversity and crop improvement.Emerging topics in life sciences · 2023Review
- Genomics for Yield and Yield Components in Durum Wheat.Plants (Basel, Switzerland) · 2023Review
- Genetic diversity of Ethiopian durum wheat (Heliyon · 2023Article
- Genomics-driven breeding for local adaptation of durum wheat is enhanced by farmers' traditional knowledge.Proceedings of the National Academy of Sciences of the United States of America · 2023Article
- Data-driven approaches can harness crop diversity to address heterogeneous needs for breeding products.Proceedings of the National Academy of Sciences of the United States of America · 2023Article
- Genetic approaches to exploit landraces for improvement ofFrontiers in plant science · 2023Review
- Article
- Marker-trait association analyses revealed major novel QTLs for grain yield and related traits in durum wheat.Frontiers in plant science · 2022Article
- Association Mapping of Drought Tolerance Indices in Ethiopian Durum Wheat (Frontiers in plant science · 2022Article
- Data-driven decentralized breeding increases prediction accuracy in a challenging crop production environment.Communications biology · 2021Article
- Multi-parent populations in crops: a toolbox integrating genomics and genetic mapping with breeding.Heredity · 2020Review
- Integrating Conventional and Participatory Crop Improvement for Smallholder Agriculture Using the Seeds for Needs Approach: A Review.Frontiers in plant science · 2020Review
- SNP-based association study of kernel architecture in a worldwide collection of durum wheat germplasm.PloS one · 2020Article
- Whole Genome Scan Reveals Molecular Signatures of Divergence and Selection Related to Important Traits in Durum Wheat Germplasm.Frontiers in genetics · 2020Article
- Quantitative trait loci for agronomic traits in tetraploid wheat for enhancing grain yield in Kazakhstan environments.PloS one · 2020Article
- A large nested association mapping population for breeding and quantitative trait locus mapping in Ethiopian durum wheat.Plant biotechnology journal · 2019Article
- Crop variety management for climate adaptation supported by citizen science.Proceedings of the National Academy of Sciences of the United States of America · 2019Article
- A Genome-Wide Association Study of Highly Heritable Agronomic Traits in Durum Wheat.Frontiers in plant science · 2019Article
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7 authors.
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Abstract
Smallholder agriculture involves millions of farmers worldwide. A methodical utilization of their traditional knowledge in modern breeding efforts may help the production of locally adapted varieties better addressing their needs. In this study, a combination of participatory approaches, genomics, and quantitative genetics is used to trace the genetic basis of smallholder farmer preferences of durum wheat traits. Two smallholder communities evaluated 400 Ethiopian wheat varieties, mostly landraces, for traits of local interest in two locations in the Ethiopian highlands. For each wheat variety, farmers provided quantitative evaluations of their preference for flowering time, spike morphology, tillering capacity, and overall quality. Ten agronomic and phenology traits were simultaneously measured on the same varieties, providing the means to compare them with farmer traits. The analysis of farmer traits showed that they were partially influenced by gender and location but were repeatable and heritable, in some cases more than metric traits. The durum wheat varieties were genotyped for more than 80,000 SNP markers, and the resulting data was used in a genome wide association (GWA) study providing the molecular dissection of smallholder farmers' choice criteria. We found 124 putative quantitative trait loci (QTL) controlling farmer traits and 30 putative QTL controlling metric traits. Twenty of such QTL were jointly identified by farmer and metric traits. QTL derived from farmer traits were in some cases dependent on gender and location, but were consistent throughout. The results of the GWA study show that smallholder farmers' traditional knowledge can yield QTL eluding metric measurements of phenotypes. We discuss the potential of including farmer evaluations based on traditional knowledge in crop breeding, arguing for the utilization of this untapped resource to develop better adapted genetic materials for local agriculture.
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