Ectomycorrhizal fungal community in mature white poplar plantation

Ectomycorrhizal communities are rarely studied on seasonal basis, especially in poplar plantations. In this study we analysed the ectomycorrhizal community in a mature twenty-year-old white poplar (Populus alba L.) plantation during four consecutive seasons. Using morpho-anatomical and molecular ide...

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Bibliographic Details
Published in:IForest (Viterbo) 2021-12, Vol.14 (6), p.540-547
Main Authors: Milović, M, Orlović, S, Grebenc, T, Bajc, M, Kovačević, B, Kraigher, H
Format: Article
Language:English
Subjects:
Carbon
Cloning
Diversity indices
Drought
Ecosystems
Ectomycorrhizas
Exploration
Fungi
Nitrogen
Nutrients
Plantations
Poplar
Populus alba
Ribosomal DNA
Seasons
Spring
Spring (season)
Taxa
Thermal cycling
Tips
Trees
Winter
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Summary:Ectomycorrhizal communities are rarely studied on seasonal basis, especially in poplar plantations. In this study we analysed the ectomycorrhizal community in a mature twenty-year-old white poplar (Populus alba L.) plantation during four consecutive seasons. Using morpho-anatomical and molecular identification 30 taxa of ectomycorrhizal fungi were recorded of which 15 were identified to the species level, 12 to the genus level, 2 to the family, and one morphotype of ectomycorrhizae remained unidentified. The most abundant among identified ectomycorrhizal fungi were: Inocybe griseovelata, Inocybe splendens, Tuber rufum, and Tomentella sp. 2, which together represented up to 50% of all ectomycorrhizal root tips. The number of ectomycorrhizal fungal taxa and the percentage of vital ectomycorrhizal root tips were highest in winter and spring, respectively. The diversity indices of ectomycorrhizae, number of vital ectomycorrhizal root tips, and total fine roots in the studied poplar plantation did not differ between seasons. Ectomycorrhizal fungi belonging to Inocybaceae family and the short-distance exploration strategy were dominant in all four seasons. On the other hand, the abundance of ectomycorrhizal root tips belonging to the medium-distance exploration strategy type was significantly higher in spring in comparison with autumn and winter.
ISSN:1971-7458
1971-7458
DOI:10.3832/ifor3827-014