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Mallor Giménez C.Author
Publicaciones > Proceedings Paper

CarrotDiverse: Understanding variation in a wild relative of carrot

Publicated to:Acta Horticulturae. 1264 151-155 - 2019-01-01 1264(), doi: 10.17660/ActaHortic.2019.1264.18

Mallor Giménez C.;


Banco Português de Germoplasma Vegetal, INIAV, Braga, Portugal - Author
Centro de Investigación y Tecnología Agroalimentaria de Aragón - Source entity
CITA, Gobierno de Aragón, Zaragoza, Spain - Author
IRHS, Agrocampus Ouest, INRA, Université dÁngers, Angers, France - Author
Julius Kühn-Institut, Quedlinburg, Germany - Author
Leibniz Institute of Plant Genetics and Crop Plant Research (IPK), Seeland, Germany - Author
Nordic Genetic Resource Center, Alnarp, Sweden - Author
University of Warwick, School of Life Sciences, Wellesbourne Campus, Warwick, United Kingdom - Author
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Summary: Genebanks and other ex situ collections have a significant role in the conservation, management and use of crop genetic diversity, including that of crop wild relatives. Efficient management and use depends on insight into the patterning and distribution of genetic diversity as well as obtaining baseline information on phenotypic characters and traits. Wild carrot (Daucus carota L.) is the closest wild relative of cultivated carrot (Daucus carota L. subsp. sativus (Hoffm.) Arcang.), and is a potential source of useful traits for crop improvement. There are over 900 accessions of D. carota described as wild in European genebanks, however associated phenotypic and genotypic characterization data are sparse. The influence of environment on phenotype is also not well understood in this taxon, meaning that it is difficult to ascertain how data collected at different locations can be compiled and collated. We present initial results of CarrotDiverse, a collaborative project in which wild D. carota accessions are undergoing detailed phenotypic and morphological characterization in parallel at three sites of varying latitude across Europe located in Portugal, France and Sweden. This will allow us to understand which traits are affected by environmental variables. Basic phenotypic information is being collected on a further 150 accessions. Furthermore, resistance screening to Alternaria species and polyacetylene profiling will be included in the evaluation. A Genotyping by Sequencing approach will be used to generate knowledge about genetic background and trait associations. The project will result in a significant data set which will facilitate the use of crop wild relatives in carrot breeding and improvement. © 2019 International Society for Horticultural Science. All rights reserved.

Keywords: Characterization; Crop wild relative; Daucus; Genebank; Plant genetic resources

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