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- Title
Fungal community structure under goat willows ( Salix caprea L.) growing at metal polluted site: the potential of screening in a model phytostabilisation study.
- Authors
Regvar, Marjana; Likar, Matevž; Piltaver, Andrej; Kugonič, Nives; Smith, Jane E.
- Abstract
Goat willow ( Salix caprea L.) was selected in a previous vegetation screening study as a potential candidate for the later-stage phytostabilisation efforts at a heavily metal polluted site in Slovenia. The aims of this study were to identify the fungi colonising roots of S. caprea along the gradient of vegetation succession and to estimate their colonisation levels in relation to metal pollution in order to reveal its mycorrhizal status at the site. Additionally the metal accumulation capacity of S. caprea and photosynthetic pigments were analysed as indications of its fitness at four differentially polluted plots. Despite high concentrations of leaf accumulated Cd, no significant differences in photosynthetic pigment concentrations were observed. The roots were colonised by arbuscular mycorrhizal (AM) fungi, ectomycorrhizal (EM) fungi, and dark septate endophytes (DSE), with EM as the dominant type on all the plots. Molecular characterisation showed poor correlation of the root EM community with the above-ground sporocarp diversity. Members of Sordariaceae were the most frequent colonisers with an average colonisation of 21% of all root tips, followed by Thelephoraceae with 10%. DSE colonisation increased with increasing Pb concentrations and decreasing organic matter (OM).
- Subjects
SLOVENIA; FUNGI; MYCOLOGY; FUNGAL communities; PHOTOSYNTHETIC pigments; SALICACEAE; SORDARIACEAE
- Publication
Plant & Soil, 2010, Vol 330, Issue 1/2, p345
- ISSN
0032-079X
- Publication type
Academic Journal
- DOI
10.1007/s11104-009-0207-7