The influence of tree roots on spore germination of ectomycorrhizal fungi

Exudates from tree roots induce spore germination in ectomycorrhizal species of Suillus , whereas roots of herbs are mostly inactive in this respect. The active compound in pine roots was identified as abietic acid, a diterpene resin acid. The germination of the spores from several other ectomycorrh...

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Bibliographic Details
Published in:Agriculture, ecosystems & environment ecosystems & environment, 1990, Vol.28 (1), p.139-144
Main Author: Fries, Nils
Format: Article
Language:English
Subjects:
abietic acid
roots
spore germination
Suillus
trees
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Summary:Exudates from tree roots induce spore germination in ectomycorrhizal species of Suillus , whereas roots of herbs are mostly inactive in this respect. The active compound in pine roots was identified as abietic acid, a diterpene resin acid. The germination of the spores from several other ectomycorrhizal fungi was not affected by abietic acid. At high concentrations abietic acid increased the growth rate of Suillus granulatus and decreased that of S. luteus and Laccaria laccata .
ISSN:0167-8809
1873-2305
DOI:10.1016/0167-8809(90)90029-D