Diversity of ectomycorrhizal fungus assemblages on nursery grown European beech seedlings |
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Authors: | Marcin Pietras Maria Rudawska Tomasz Leski Leszek Karliński |
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Affiliation: | 1. Laboratory of Mycorrhizal Research, Institute of Dendrology Polish Academy of Sciences, Parkowa Str. 5, 62-035, Kórnik, Poland
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Abstract: | ? Context An important feature of forest nursery management is the production of first-rate planting stock, which is closely connected with an adequate development of ectomycorrhizas on seedling roots. ? Aims The aim of this study was to provide a detailed assessment of the ectomycorrhizal (ECM) fungal diversity of European beech grown in bare-root forest nursery conditions. ? Methods Morphological and molecular analyzes were used to identify ECM fungi, quantify fungal richness, and record differences in the relative abundance of individual taxa. ? Results Twenty-seven different mycorrhizal fungal taxa were found in four tested nurseries. Of these 27, only 6 were present in more than one nursery. Taxa richness in individual nurseries ranged from 6 to 13, indicating that ECM colonization potential is nursery-dependent. The most frequent taxa were: Tuber sp. 1, Cadophora sp., Cenococcum geophilum agg., Hebeloma sacchariolens, and Laccaria tortilis. According to the analysis of similarity, ECM fungal communities were significantly different between nurseries (R?=?0.7741; p?0.0001). ? Conclusion Beech seedlings grown in bare-root nurseries are colonized by a highly diverse suite of ECM fungi; thus, artificial inoculation of seedlings is generally not necessary in nursery practice. |
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