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Title: Kaj se dogaja z jesenom pri nas? : Peto nadaljevanje Authors: ID Hauptman, Tine (Author) Files: PDF - Presentation file, download (352,14 KB) MD5: BF25E1216A36493ECA0BE578EAEBF2B5   Language: Slovenian Typology: 1.02 - Review Article Organization: ZGDS - Zveza gozdarskih društev Slovenije Abstract: Jesenov ožig je bolezen, ki jo povzroča tujerodna invazivna gliva Hymenoscyphus fraxineus, ki izvira iz vzhodne Azije. V Evropi so se prvi simptomi bolezni pojavili v začetku 90. let prejšnjega stoletja, gliva pa se je hitro razširila na večji del Evrope, kjer ogroža predvsem populacije velikega jesena (Fraxinus excelsior) in poljskega jesena (F. angustifolia). Gliva povzroča različne simptome, okuži lahko praktično vsa tkiva svojih gostiteljev, končni rezultat okužbe pa je odmiranje krošnje in zelo pogosto odmrtje celotnih dreves. Intenzivnost bolezni je večja na rastiščih z višjo relativno vlago in nižjimi temperaturami, odmiranje jesenov pa zelo pospešijo sekundarni škodljivi organizmi. Učinkovitih ukrepov za zatiranje glive H. fraxineus ne poznamo, rešitev za ohranitev jesenov v evropskih gozdovih pa bi bila lahko ugotovljena odpornost posameznih jesenov. V prispevku povzemamo najpomembnejše ugotovitve številnih dosedanjih raziskav in predlagamo usmeritve za gospodarjenje z jesenom v prihodnje. Keywords: varstvo gozdov, jesenov ožig, Hymenoscyphus fraxineus, invazivna vrsta, jesen, Fraxinus spp., individualna odpornost Year of publishing: 2020 Year of performance: 2020 Number of pages: str. 55-67 Numbering: Letn. 78, št. 2 PID: 20.500.12556/DiRROS-11438  UDC: 630*4 ISSN on article: 0017-2723 COBISS.SI-ID: 5649830  Publication date in DiRROS: 06.04.2020 Views: 3242 Downloads: 777 Metadata:     Cite this work Plain text BibTeX EndNote XML EndNote/Refer RIS ABNT ACM Ref AMA APA Chicago 17th Author-Date Harvard IEEE ISO 690 MLA Vancouver : Copy citation

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Record is a part of a journal

Title:	Gozdarski vestnik : slovenska strokovna revija za gozdarstvo
Shortened title:	Gozd. vestn.
Publisher:	Zveza gozdarskih društev Slovenije
ISSN:	0017-2723
COBISS.SI-ID:	3736834

Secondary language

Language:	Undetermined
Title:	What is happening with ash trees in Slovenia region? : Part fives
Abstract:	Causal agent of the ash dieback disease is an alien invasive fungus Hymenoscyphus fraxineus, which was introduced to Europe from East Asia. The first symptoms of the disease appeared in Europe in the early 1990s, and the pathogen quickly spread over the large part of the continent, where it represents a serious threat to the common ash (Fraxinus excelsior) and narrow-leaved ash (F. angustifolia) populations. The fungus causes different symptoms, it can colonise practically all host tissues, and the end result of the infection is dieback of crowns and often whole trees. Disease intensity appears to be higher in sites with higher relative air humidity and relatively lower temperatures, and the ash decline is greatly accelerated by secondary pests. Effective measures to control H. fraxineus are not known, and the found resistance of individual ash trees is the solution for the conservation of ash trees in European forests. This paper summarizes the most important findings of many of the studies conducted so far and provides suggested guidelines for the future management of ash.
Keywords:	forest health, ash dieback, Hymenoscyphus fraxineus, invasive species, ash, Fraxinus spp., individual resistance

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