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Title:Pseudodidymella fagi in Slovenia : first report and expansion of host range
Authors:ID Ogris, Nikica (Author)
ID Brglez, Ana (Author)
ID Piškur, Barbara (Author)
Files:.pdf PDF - Presentation file, download (4,90 MB)
MD5: 10B8A6919D2EDE2BB1D6FA94139228A3
 
URL URL - Source URL, visit https://www.mdpi.com/1999-4907/10/9/718
 
Language:English
Typology:1.01 - Original Scientific Article
Organization:Logo SciVie - Slovenian Forestry Institute
Abstract: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.
Keywords:Pycnopleiospora fagi, leaf blotch, pathogenicity test, inoculation test, Fagus orientalis, Fagus sylvatica, Quercus petraea, mycopappus-like propagule, Carpinus betulus, host switching
Publication status:Published
Publication version:Version of Record
Year of publishing:2019
Number of pages:10 str.
Numbering:article 718, iss. 9
PID:20.500.12556/DiRROS-9580 New window
UDC:630*17(497.4)(045)0111
ISSN on article:1999-4907
DOI:10.3390/f10090718 New window
COBISS.SI-ID:5454758 New window
Note:Nasl. iz nasl. zaslona; Opis vira z dne 22. 8. 2019;
Publication date in DiRROS:23.08.2019
Views:2425
Downloads:1524
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Record is a part of a journal

Title:Forests
Shortened title:Forests
Publisher:MDPI
ISSN:1999-4907
COBISS.SI-ID:3872166 New window

Licences

License:CC BY 4.0, Creative Commons Attribution 4.0 International
Link:http://creativecommons.org/licenses/by/4.0/
Description:This is the standard Creative Commons license that gives others maximum freedom to do what they want with the work as long as they credit the author.
Licensing start date:26.08.2019
Applies to:Published ver.

Secondary language

Language:Undetermined
Keywords: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


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