ArticleHeredity2013
Twentieth-century changes in the genetic composition of Swedish field pea metapopulations.
Article in Heredity, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
7 citing papers in PubMed.
- Sensory variation of landrace peas (Food science & nutrition · 2024Article
- Evaluation of pea genotype PI180693 partial resistance towards aphanomyces root rot in commercial pea breeding.Frontiers in plant science · 2023Article
- Trait Expression and Environmental Responses of Pea (Frontiers in plant science · 2021Article
- Molecular, Genetic and Agronomic Approaches to Utilizing Pulses as Cover Crops and Green Manure into Cropping Systems.International journal of molecular sciences · 2017Review
- Flowering time adaption in Swedish landrace pea (Pisum sativum L.).BMC genetics · 2016Article
- Geographical distribution of genetic diversity in Secale landrace and wild accessions.BMC plant biology · 2016Article
- Article
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Authors and funding
3 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Landrace crops are formed by local adaptation, genetic drift and gene flow through seed exchange. In reverse, the study of genetic structure between landrace populations can reveal the effects of these forces over time. We present here the analysis of genetic diversity in 40 Swedish field pea (Pisum sativum L.) populations, either available as historical seed samples from the late nineteenth century or as extant gene bank accessions assembled in the late twentieth century. The historical material shows constant high levels of within-population diversity, whereas the extant accessions show varying, and overall lower, levels of within-population diversity. Structure and principal component analysis cluster most accessions, both extant and historical, in groups after geographical origin. County-wise analyses of the accessions show that the genetic diversity of the historical accessions is largely overlapping. In contrast, most extant accessions show signs of genetic drift. They harbor a subset of the alleles found in the historical accessions and are more differentiated from each other. These results reflect how, historically present metapopulations have been preserved during the twentieth century, although as genetically isolated populations.
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Registered trials
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