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dc.contributor.author
Bruhwiler, Valentin
dc.contributor.author
Sieber, Thomas N.
dc.date.accessioned
2021-03-05T10:40:25Z
dc.date.available
2020-12-04T03:57:06Z
dc.date.available
2020-12-04T12:17:29Z
dc.date.available
2021-03-05T10:40:25Z
dc.date.issued
2021-02
dc.identifier.issn
1437-4781
dc.identifier.issn
1439-0329
dc.identifier.other
10.1111/efp.12657
en_US
dc.identifier.uri
http://hdl.handle.net/20.500.11850/454494
dc.description.abstract
Hymenoscyphus fraxineus, the causal agent of common ash dieback, possesses a low level of genetic diversity in Europe. The introduction of novel strains of this fungus must be prevented, due to the possible emergence of new virulence alleles, which could result in the infestation of the small proportion of hitherto resistant or tolerant ash trees. More comprehensive knowledge of the host spectrum of H. fraxineus is necessary for preventing further introductions. It is possible that H. fraxineus manifests itself in hosts beyond the genus Fraxinus, though this proposition has received little attention thus far. Two in vitro experiments were set up to investigate whether privet (Ligustrum vulgare) could serve as a host: germination rate of fresh H. fraxineus ascospores and colony growth of H. fraxineus were tested on agar media containing leaf extracts of privet, common ash (Fraxinus excelsior) and manna ash (Fraxinus ornus). Two different media with leaf extracts were tested, one with high (60%) and one with low (12%) extract content. Barely any significant differences were recorded in the case of the media with low extract content. Significant effects occurred only at the higher extract content level: germination was completely inhibited on the privet medium. Mycelial growth on the privet medium was slower than on both the common ash and manna ash media and, in addition, one of the three H. fraxineus strains was completely inhibited. These observations indicate the presence of inhibitors in privet. It is therefore unlikely to be a suitable host for H. fraxineus.
en_US
dc.language.iso
en
en_US
dc.publisher
Wiley
en_US
dc.subject
ash dieback
en_US
dc.subject
biological control
en_US
dc.subject
cold extraction
en_US
dc.subject
host range
en_US
dc.subject
secondary metabolites
en_US
dc.title
Aqueous leaf extract of Ligustrum vulgare inhibits ascospore germination and mycelial growth of Hymenoscyphus fraxineus
en_US
dc.type
Journal Article
dc.date.published
2020-11-21
ethz.journal.title
Forest Pathology
ethz.journal.volume
51
en_US
ethz.journal.issue
1
en_US
ethz.journal.abbreviated
For. pathol.
ethz.pages.start
e12657
en_US
ethz.size
8 p.
en_US
ethz.identifier.wos
ethz.identifier.scopus
ethz.publication.place
Berlin
en_US
ethz.publication.status
published
en_US
ethz.date.deposited
2020-12-04T03:57:13Z
ethz.source
WOS
ethz.eth
yes
en_US
ethz.availability
Metadata only
en_US
ethz.rosetta.installDate
2021-03-05T10:40:37Z
ethz.rosetta.lastUpdated
2021-03-05T10:40:37Z
ethz.rosetta.versionExported
true
ethz.COinS
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