Journal
SILVA FENNICA
Volume 45, Issue 3, Pages 301-317Publisher
FINNISH SOC FOREST SCIENCE-NATURAL RESOURCES INST FINLAND
DOI: 10.14214/sf.104
Keywords
Pinus sylvestris; harsh environment; mycota; needle age; cryptic lifecycle; needles; Hormonema dematioides
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Funding
- Maj and Tor Nessling Foundation [2008139, 2010084]
- Academy of Finland [131660]
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The seasonal and latitudinal influences on the diversity and abundance of mycota of Pinus sylvestris needles were investigated. A sample of 1620 needles resulted in a total of 3868 fungal isolates, which were assigned to 68 operational taxonomic units (OTUs). The majority of these OTUs (65%) belong to Ascomycota and only 0.03% was grouped as Basidiomycota. The dominant and most frequently isolated OTU was Hormonema dematioides. Other well-known species with a saprotrophic nutritional mode such as Lophodermium spp. were also observed. The abundance of fungi increased from fall to spring. Frequencies varied significantly in Northern and Southern Finland suggesting that factors associated with latitudinal differences have an impact on the abundance of fungi.
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