Abstract
Piloderma sp., a wood ash-colonizing ectomycorrhizal (EM) fungus, was grown symbiotically with Norway spruce in microcosms which contained granules of hardened wood ash. Mycelium close to the granules was sampled 3 times over a period of 11 weeks and the elemental content was investigated with particle induced X-ray emission. Mycelium from microcosms without wood ash was used as controls. The contents of P and K were similar in mycelium growing close to wood ash granules to those in control mycelium, while the Ca content increased from 23±21 mg g−1 in controls to 63±8 mg g−1 in mycelium growing close to wood ash granules. The Ca content was also increased in other parts of the mycelium more distant from the wood ash. Piloderma sp. may have a role in the short-term storage of Ca released from wood ash, rather than in releasing and storing P.
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Acknowledgements
This work was supported by the Swedish National Energy Administration. We would like to thank Per Petersson for supplying us with wood ash. Susanne Erland, Andres Schützendübel and Derek Wright made valuable comments on the manuscript.
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Hagerberg, D., Pallon, J. & Wallander, H. The elemental content in the mycelium of the ectomycorrhizal fungus Piloderma sp. during the colonization of hardened wood ash. Mycorrhiza 15, 387–392 (2005). https://doi.org/10.1007/s00572-004-0344-z
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DOI: https://doi.org/10.1007/s00572-004-0344-z