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Pseudodidymella fagi in Slovenia [Elektronski vir] : first report and expansion of host rangeOgris, Nikica ; Brglez, Ana, gozdarka ; Piškur, Barbara, 1979-The fungus Pseudodidymella fagi is spreading in Europe and causing leaf blotch of European beech, Fagus sylvatica. Between 2008 and 2017, outbreaks of P. fagi were observed on European beech in ... Switzerland, Germany (also on F. orientalis), Austria, and Slovakia. In Slovenia, leaf blotch symptoms were first observed on F. sylvatica in 2018. P. fagi was identified as the causal agent of the observed symptoms in Slovenia by morphological examinations together with sequencing of the internal transcribed spacer (ITS) region of the rDNA. This study links the fungus to the expansion of the known distribution of the disease to Slovenia, and based on in vitro pathogenicity trials, also to a new potential host, Quercus petraea. The pathogenicity tests confirmed F. sylvatica and F. orientalis as hosts for P. fagi, but not Castanea sativa, where pathogenicity to F. orientalis was proved for first time in vitro. Although Koch%s postulates could not be proven for C. sativa, it seems to be partially susceptible in vitro because some of the inoculation points developed lesions. Additionally, damage to Carpinus betulus related to P. fagi near heavily infected beech trees was observed in vivo but was not tested in laboratory trials. Based on the results and our observations in the field, it is likely that P. fagi has a wider host range than previously thought and that we might be witnessing host switching.Source: Forests [Elektronski vir]. - ISSN 1999-4907 (Vol. 10, iss. 9, article 718, 2019, 10 str.)Type of material - e-articlePublish date - 2019Language - englishCOBISS.SI-ID - 5454758
Author
Ogris, Nikica |
Brglez, Ana, gozdarka |
Piškur, Barbara, 1979-
Topics
Pycnopleiospora fagi |
rjava pegavost bukovih listov |
test patogenosti |
inokulacija |
Fagus orientalis |
Fagus sylvatica |
Quercus petraea |
Carpinus betulus |
zamenjava gostitelja |
vzhodna bukev |
graden |
hrast |
beli gaber |
domači kostanj |
Pycnopleiospora fagi |
leaf blotch |
pathogenicity test |
inoculation test |
Fagus orientalis |
Fagus sylvatica |
Quercus petraea |
mycopappus-like propagule |
Carpinus betulus |
host switching
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Author | Ogris, Nikica ; Brglez, Ana, gozdarka ; Piškur, Barbara, 1979- |
Title | Pseudodidymella fagi in Slovenia [Elektronski vir] : first report and expansion of host range |
Publication date | 2019-08-21 |
COBISS.SI-ID | 5454758 |
Publication version in repository | Publisher's version |
Publication licence | Creative Commons Attribution 4.0 International |
Embargo | Unidentified |
Project(s) from which the publication was funded
Title | Acronym | Project ID | Funder |
---|---|---|---|
Gozdna biologija, ekologija in tehnologija | P4-0107-2015 |
Javna agencija za znanstvenoraziskovalno in inovacijsko dejavnost Republike Slovenije |
|
Javna gozdarska služba | JGS | JGS |
Ministrstvo za kmetijstvo, gozdarstvo in prehrano |
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Database name | Field | Year |
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Ogris, Nikica | 23448 |
Brglez, Ana, gozdarka | 50519 |
Piškur, Barbara, 1979- | 25448 |
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