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Morphological and genetic characterization of barley (Hordeum vulgare L.) landraces in the Canary Islands
Stockholm University, Faculty of Humanities, Department of Archaeology and Classical Studies, Archaeological Research Laboratory.ORCID iD: 0000-0002-4654-5722
2019 (English)In: Genetic Resources and Crop Evolution, ISSN 0925-9864, E-ISSN 1573-5109, Vol. 66, no 2, p. 465-480Article in journal (Refereed) Published
Abstract [en]

Barley has been continuously cultivated in the Canary archipelago for millennia, and to this day landrace barley is the preferred choice for cultivation. We have morphologically and genetically characterized 57 landraces collected during the twenty-first century and conserved in genebanks. The majority of accessions were of the six-row type. Although landraces from the same island tended to be similar, the results showed morphological and genetic diversity both within and in the case of genetic data among islands. Accessions from the easternmost islands were genetically distinct from those from the central and western islands. Accessions from the western islands often had a mixed genetical composition, suggesting more recent exchange of plant material with the central islands. The geographic distribution of diversity suggests that conservation of barley genetic resources needs to consider all islands in the archipelago. Landrace barley from the Canary archipelago was found to be morphologically distinct from continental landrace barley. We suggest the uniqueness of Canarian barley, in terms of morphology and genetic diversity, can be used for marketing purposes providing added market value to the crop.

Place, publisher, year, edition, pages
2019. Vol. 66, no 2, p. 465-480
Keywords [en]
Landrace barley, Genebank conservation, Morphological characterization, Genetic diversity, Hordeum vulgare
National Category
Ecology
Identifiers
URN: urn:nbn:se:su:diva-163859DOI: 10.1007/s10722-018-0726-2ISI: 000457581200013OAI: oai:DiVA.org:su-163859DiVA, id: diva2:1277024
Funder
The Royal Swedish Academy of Letters, History and Antiquities (KVHAA)Available from: 2019-01-09 Created: 2019-01-09 Last updated: 2019-03-04Bibliographically approved

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Hagenblad, JennyLeino, Matti W.Afonso Morales, Desirée
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