Sphaeropsis sapinea and fungal endophyte diversity in twigs of Scots pine (Pinus sylvestris) in Germany

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dc.date.accessioned2020-09-25T04:49:06Z
dc.date.available2020-09-25T04:49:06Z
dc.date.issued2020-09-03
dc.description.sponsorshipGefördert im Rahmen des Projekts DEAL
dc.identifierdoi:10.17170/kobra-202009101765
dc.identifier.urihttp://hdl.handle.net/123456789/11832
dc.language.isoeng
dc.relation.doidoi:10.1007/s11557-020-01617-0
dc.rightsNamensnennung 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/*
dc.subjectendophytic fungieng
dc.subjectPinus sylvestriseng
dc.subjectSphaeropsis sapineaeng
dc.subjectDiplodia tip blightger
dc.subject.ddc570
dc.subject.ddc580
dc.subject.swdEndophytenger
dc.subject.swdEndophytische Pilzeger
dc.subject.swdSphaeropsis sapineager
dc.subject.swdWaldkieferger
dc.subject.swdTriebsterbenger
dc.titleSphaeropsis sapinea and fungal endophyte diversity in twigs of Scots pine (Pinus sylvestris) in Germanyeng
dc.typeAufsatz
dc.type.versionpublishedVersion
dcterms.abstractSphaeropsis sapinea is the causal fungal agent of Diplodia tip blight disease of Scots pine (Pinus sylvestris) and other coniferous trees of relevance to forestry in Germany. In this study, the distribution and occurrence of S. sapinea and accompanying endophytic fungi in twigs of healthy and diseased Scots pine was investigated on a spatial and temporal scale. Sampling of 26,000 twig segments from trees in 105 temperate coniferous forest stands in Germany resulted in isolation of 33,000 endophytic fungi consisting of 103 species identified based on morphological and ITS-DNA sequence analyses. Approximately 98% of the sample was represented by fungi in the Ascomycota, with only two species (Peniophora pini and Coprinellus sp.) belonging to the Basidiomycota. Four species were detected in a frequency greater than 10% (Sphaeropsis sapinea, Sydowia polyspora, Microsphaeropsis olivacea, and Truncatella conorum-piceae) from the collective sample. A typical inhabitant of Scots pine twigs Desmazierella acicola was isolated and additionally typical hardwood colonizers like Biscogniauxia spp. were detected. S. sapinea, an endophytic plant pathogen with saprobic capabilities, was isolated from more than 80% of the studied pine trees, but the majority of trees sampled showed no symptoms of Diplodia tip blight. No invasive, pathogenic quarantine fungi for Germany were isolated from healthy or diseased Scots pines. Advantages and disadvantages of isolation-based endophyte studies over studies using direct DNA-isolation are discussed. Knowledge of the fungal endophyte communities in twigs of Scots pine allowed for identification S. sapinea and other potential pathogens of pines and other forest trees that may possibly contribute to increased disease under repeated periods of drought and heat stress in the future.eng
dcterms.accessRightsopen access
dcterms.creatorBußkamp, Johanna
dcterms.creatorLanger, Gitta Jutta
dcterms.creatorLanger, Ewald Johannes
dcterms.source.identifierEISSN 1861-8952
dcterms.source.issueIssue 9
dcterms.source.journalMycological Progresseng
dcterms.source.pageinfo985-999
dcterms.source.volumeVolume 19
kup.iskupfalse

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