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Temporal variation in mycorrhizal diversity and carbon and nitrogen stable isotope abundance in the wintergreen meadow orchid Anacamptis morio

Title data

Ercole, Enrico ; Adamo, Martino ; Rodda, Michele ; Gebauer, Gerhard ; Girlanda, Mariangela ; Perotto, Silvia:
Temporal variation in mycorrhizal diversity and carbon and nitrogen stable isotope abundance in the wintergreen meadow orchid Anacamptis morio.
In: New Phytologist. Vol. 205 (2015) Issue 3 . - pp. 1308-1319.
ISSN 1469-8137
DOI: https://doi.org/10.1111/nph.13109

Abstract in another language

Many adult orchids, especially photoautotrophic species, associate with a diverse range ofmycorrhizal fungi, but little is known about the temporal changes that might occur in thediversity and functioning of orchid mycorrhiza during vegetative and reproductive plantgrowth.Temporal variations in the spectrum of mycorrhizal fungi and in stable isotope natural abun-dance were investigated in adult plants of Anacamptis morio, a wintergreen meadow orchid.Anacamptis morioassociated with mycorrhizal fungi belonging to Tulasnella,Ceratobasidiumand a clade of Pezizaceae (Ascomycetes). When a complete growing seasonwas investigated, multivariate analyses indicated significant differences in the mycorrhizalfungal community. Among fungi identified from manually isolated pelotons, Tulasnella wasmore common in autumn and winter, the pezizacean clade was very frequent in spring, andCeratobasidium was more frequent in summer. By contrast, relatively small variations werefound in carbon (C) and nitrogen (N) stable isotope natural abundance, A. moriosamples showing similar15N enrichment and13C depletion at the different sampling times.These observations suggest that, irrespective of differences in the seasonal environmentalconditions, the plant phenological stages and the associated fungi, the isotopic content inmycorrhizal A. morioremains fairly constant over time.

Further data

Item Type: Article in a journal
Refereed: Yes
Additional notes: BAYCEER124843
Institutions of the University: Research Institutions > Research Centres > Bayreuth Center of Ecology and Environmental Research- BayCEER
Research Institutions
Research Institutions > Research Centres
Result of work at the UBT: Yes
DDC Subjects: 500 Science
Date Deposited: 22 Jul 2015 05:41
Last Modified: 22 Jul 2015 05:41
URI: https://eref.uni-bayreuth.de/id/eprint/16953