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Partitioning of genetic variation in the weedy clonal herb Aegopodium podagraria (Apiaceae) in Sweden

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Author

Summary, in English

Although sexual reproduction appears to be rare in many clonal plant species, the majority of clonal species show similar levels of genetic variation to non-clonal plant species. Aegopodium podagraria is a noxious garden weed and has become a successful invader in many natural habitats. Earlier studies have demonstrated population differentiation in life-history traits between different A. podagraria populations in Sweden. In this study, we used three methods to assess genetic variation in this species. Using analyses of molecular markers (chloroplast DNA PCR-RFLP and allozyme electrophoresis) we did not detect any variation between different A. podagraria clones. However, a multivariate analysis of leaflet shape in five populations from central Sweden revealed considerable variation both within and between populations. The variation found in leaflet shape is suggested to be genetically based because the leaves were collected from plants grown from seed under similar conditions in a common garden environment. These relatively high levels of variation within and between populations indicate that there is likely to be repeated seedling recruitment within established populations.1.

Publishing year

2009

Language

English

Pages

437-443

Publication/Series

Nordic Journal of Botany

Volume

27

Issue

5

Document type

Journal article

Publisher

Wiley-Blackwell

Topic

  • Ecology

Status

Published

Research group

  • Soil Ecology

ISBN/ISSN/Other

  • ISSN: 0107-055X