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Research article - Peer-reviewed, 2007

AFLP similarities among historic Danish cultivars of fodder beet (Beta vulgaris L. subsp. vulgaris var. rapacea Koch)

Bundgaard Poulsen Gert, Holten Claus, von Bothmer Roland


Abstract Dead seeds of a fodder beet cultivar ‘Elvetham’ stored under ambient conditions since 1880 were compared to a homonymous sample preserved in an on-farm situation in Denmark. DNA was isolated from single seeds and successfully applied to Amplified Fragment Length Polymorphism (AFLP) analysis of the accessions. Six primer pairs were used to determine the similarity between the two accessions based on 112 polymorphic bands. Furthermore, similarity among seven cultivars of fodder beets representing the main types used in Scandinavia at the end of the 19th century was determined. This analysis was based on 152 polymorphic bands. Differentiation among the seven cultivars was determined to a mean GST value of 0.438, while GST between the two ‘Elvetham’ accessions was 0.266. A principal coordinate analysis based on jaccards similarity index illustrates that the two ‘Elvetham’ accessions are different from each other. The differentiation is higher than the value found between two separate ‘Eckerndorfer’ accessions. The results indicate that the cultivated accession has changed. Additionally, the value of applying old dead seed material for documentation in gene banks is demonstrated. During the analysis it was found that DNA isolated from seeds and leaves behaved differently in the AFLP process, however, the two fractions assigned to their common accession


Beta vulgaris; AFLP; Dead seed; DNA isolation; Documentation; Genotype identification; Old seed; Plant genetic resources

Published in

Genetic Resources and Crop Evolution
2007, Volume: 54, number: 5, pages: 1105-1115

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      Agricultural Science

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