Understanding and Managing Fungal Pathogens in Forest Ecosystems

A special issue of Forests (ISSN 1999-4907). This special issue belongs to the section "Forest Ecology and Management".

Deadline for manuscript submissions: closed (30 June 2023) | Viewed by 1872

Special Issue Editors


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Guest Editor
Swiss Forest Protection, Swiss Federal Institute for Forest, Snow and Landscape Research WSL, Zürcherstrasse 111, CH-8903 Birmensdorf, Switzerland
Interests: forest pathology; mycology; disturbances

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Guest Editor
College of Natural Resources, University of Idaho, Moscow, ID 83843, USA
Interests: interactions of plants and their symbionts
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Special Issue Information

Dear Colleagues,

About 30% of the earth's surface is covered by forests, which perform a variety of functions and provide important ecosystem services. Among other things, forests provide habitat for many organisms. Of great interest in all forest ecosystems is the role of fungi. For example, they play an important and indispensable role in the utilization of organic matter, live as mycorrhizal fungi or as endophytes in plant tissue, and are so-called pathogenic fungi that cause diseases in their host plants. On a large scale, the changing climatic conditions are, among other things, responsible for the fact that fungi, which were once considered harmless, are suddenly changing their way of life and becoming pathogenic. However, also on a small scale, many different factors determine the way fungi behave in the respective ecosystem. Although the interplay between host and pathogen is usually well-balanced in their natural range, management strategies may be required, for example, to stop the spread of a disease, especially when it involves pathogenic fungi introduced to ecosystems outside of their natural range. For this Special Issue, we are seeking field or experimental studies, monitoring work, and modeling studies that will contribute to a better understanding of the role of pathogenic fungi and their management options in forest ecosystems around the world.

Dr. Sophie Stroheker
Prof. Dr. George Newcombe
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Forests is an international peer-reviewed open access monthly journal published by MDPI.

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Keywords

  • disease
  • pathogenic fungi
  • disturbance
  • host-pathogen interaction
  • dieback
  • invasive fungal pathogens
  • tree mortality

Published Papers (1 paper)

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Research

16 pages, 5173 KiB  
Article
Identification and Characterization of Foliar Fungi Associated with Beach Vitex (Vitex rotundifolia L.)
by Sung-Won Park, Narayan Chandra Paul, Kye-Han Lee, Gui Hwan Han, Hyun-Jun Kim and Hyunkyu Sang
Forests 2023, 14(2), 220; https://doi.org/10.3390/f14020220 - 24 Jan 2023
Cited by 1 | Viewed by 1466
Abstract
The beach vitex (Vitex rotundifolia L.), a member of the Lamiaceae family, is a salt-tolerant, woody perennial common in coastal areas worldwide. Plant–fungal association was monitored in the shoreline forest area of Wando Island in Korea in 2020, and leaf samples showing [...] Read more.
The beach vitex (Vitex rotundifolia L.), a member of the Lamiaceae family, is a salt-tolerant, woody perennial common in coastal areas worldwide. Plant–fungal association was monitored in the shoreline forest area of Wando Island in Korea in 2020, and leaf samples showing leaf spot disease were collected. Eight fungal isolates were recovered from the samples on PDA and identified based on the morphological characteristics and multilocus molecular phylogeny. Among the eight isolates, four were identified as Alternaria alternata, two as Fusarium humuli, one as Colletotrichum aenigma, and one as Stagonosporopsis caricae. Pathogenicity tests of the fungal isolates on the detached leaves of beach vitex revealed that S. caricae CMML20–2 and A. alternata (CMML20–7, CMML20–8, CMML20–9, and CMML20–10) caused disease lesions while the other species did not. The fungal species S. caricae, C. aenigma, and F. humuli are the first reported in the host worldwide, and S. caricae and F. humuli are first reported in Korea. In vitro fungicide sensitivity assays were carried out based on a measurement of diametrical mycelial growth on media amended with different doses of the fungicides fludioxonil, metconazole, and fluxapyroxad. Fungicide sensitivity varied significantly among the species, and the A. alternata and S. caricae isolates were more sensitive to fluxapyroxad than the other isolates. Our study contributes to the understanding of fungal diversity in forest mycology and demonstrates that pathogenic fungi including A. alternata and S. caricae might accelerate decline in leaf health. Full article
(This article belongs to the Special Issue Understanding and Managing Fungal Pathogens in Forest Ecosystems)
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