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Biodiversity in Nordic horseradish (Armoracia rusticana)

studies with respect to conservation and utilization

Wedelsbäck Bladh, Katarina (2014). Biodiversity in Nordic horseradish (Armoracia rusticana). Diss. (sammanfattning/summary) Alnarp : Sveriges lantbruksuniv., Acta Universitatis Agriculturae Sueciae, 1652-6880 ; 2014:97
ISBN 978-91-576-8142-3
eISBN 978-91-576-8143-0
[Doctoral thesis]

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The biodiversity of horseradish was studied in accessions collected from old gardens in Denmark, Finland, Norway and Sweden. In total 176 accessions were collected.

Horseradish, Armoracia rusticana (P. Gaertn., B. Mey. & Scherb.), has been used by man during long time and it was already mentioned in "De material medicia libri quinque" written year 100 AD. The plant, which has its origin in Southeast Europe, was brought to the Nordic countries by monks during the thirteenth century. In the Nordic countries, horseradish was used both as a bitter spice and as a medicinal plant to treat headaches, digestive disorders, high blood pressure and gout.

The root has a high content of vitamin C and was often used to prevent scurvy on long sailing tours and as a component in preserving food. Horseradish also contains high levels of sulfur-containing glycosides, so called glucosinolates. Glucosinolates (GLS), or their breakdown products are responsible for the pungent taste and claimed medicinal effects. The dominate GLS in horseradish is sinigrin (>80%) followed by gluconasturtiin and glucobrassicin. Although if the traditional use of horseradish has decreased new areas has developed, as a natural preservative, in medical treatments, in laboratories and in industrial production.

Studying the genotypic diversity with AFLP, the results showed a significant genetic diversity among Nordic horseradish. The accessions clustered in accordance with their country of origin with the highest diversity among the Finnish accessions, followed by the Danish accessions.

The result from the phenotypic analyses with morphological characters and glucosinolate content showed a high diversity among the studied accessions. In the morphological studies the accessions showed all types of leaf- and root shapes and divided in different clusters. Also a high diversity in the glucosinolate content with both high and low levels of sinigrin and gluconasturtiin were found.

No correlation between genotype and phenotypic characters in the Nordic horseradish was revealed. Despite that horseradish is a mainly vegetatively propagated plant the results show a high diversity among the collected accessions.

Authors/Creators:Wedelsbäck Bladh, Katarina
Title:Biodiversity in Nordic horseradish (Armoracia rusticana)
Subtitle:studies with respect to conservation and utilization
Series Name/Journal:Acta Universitatis Agriculturae Sueciae
Year of publishing :4 November 2014
Depositing date:5 November 2014
Number of Pages:47
I.Wedelsbäck Bladh K., Olsson K (2011). Introduction and Use of Horseradish (Armoracia rusticana) as Food and Medicine from Antiquity to the Present: Emphasis on the Nordic Countries. Journal of Herbs, Spices & Medicinal Plants 17(3), 197-213.
II.Wedelsbäck Bladh K., Olsson K. M., Yndgaard F. (2013). Evaluation of glucosinolates in Nordic Horseradish (Armoracia Rusticana) Bothanica Lithuanica 19: (1) 48-56.
III.Wedelsbäck Bladh K., Liljeroth E., Poulsen G., Yndgaard F., Kolodinska Brantestam A. (2013) Genetic diversity in Nordic horseradish Armoracia rusticana as revealed by AFLP markers. Genetic Resources and Crop Evolution 60(6), 1-12.
IV.Wedelsbäck Bladh K., Yndgaard F., Liljeroth E., Asdal Å., Suojala-Ahlfors T., Kjeldsen Bjørn G., Kolodinska Brantestam A. Morphological characterization of Nordic Horseradish (Armoracia rusticana). Manuscript
Place of Publication:Alnarp
Publisher:Department of Plant Protection Biology, Swedish University of Agricultural Sciences
ISBN for printed version:978-91-576-8142-3
ISBN for electronic version:978-91-576-8143-0
Publication Type:Doctoral thesis
Full Text Status:Public
Agris subject categories.:F Plant production > F30 Plant genetics and breeding
Subjects:(A) Swedish standard research categories 2011 > 4 Agricultural Sciences > 401 Agricultural, Forestry and Fisheries > Horticulture
Agrovoc terms:armoracia rusticana, horseradish, vegetable crops, drug plants, condiments, biodiversity, genetic variation, glucosinolates, plant morphology, genetic markers, amplified fragment length polymorphism, uses, history, denmark, finland, norway, sweden
Keywords:AFLP, condiment to food, core collection, glucosinolates, medicinal plant, molecular markers, morphological characterization, vegetative propagated crops
Permanent URL:
ID Code:11629
Faculty:LTV - Fakulteten för landskapsarkitektur, trädgårds- och växtproduktionsvetenskap
Department:(LTJ, LTV) > Department of Plant Protection Biology
Deposited By: Katarina Wedelsbäck Bladh
Deposited On:05 Nov 2014 14:09
Metadata Last Modified:02 Dec 2014 11:09

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