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Pre-invasion assessment of exotic bark beetle-vectored fungi to detect tree-killing pathogens
Year:
2021
Source of publication :
Phytopathology
Authors :
Freeman, Stanley
;
.
Mendel, Zvi
;
.
Volume :
Co-Authors:

You Li 
Craig Bateman
James Skelton
Bo Wang
Adam Black
Yin-Tse Huang 
Allan Gonzalez 
Michelle A Jusino 
Zachary J Nolen 
Stanley Freeman 
Zvi Mendel
Chi-Yu Chen
Hou-Feng Li 
Miroslav Kolařík 
Miloš Knížek 
Ji-Hyun Park 
Wisut Sittichaya 
Pham Hong Thai
Shin-Ichiro Ito 
Masato Torii 
Lei Gao 
Andrew J Johnson 
Min Lu 
Jianghua Sun
Zhen Zhang 
Damian C Adams
 Jiri Hulcr             

Facilitators :
From page:
0
To page:
0
(
Total pages:
1
)
Abstract:

Exotic diseases and pests of trees have caused continental-scale disturbances in forest ecosystems and industries, and their invasions are considered largely unpredictable. We tested the concept of pre-invasion assessment of not-yet invasive organisms, which enables empirical risk assessment of potential invasion and impact. Our example assesses fungi associated with Old World bark and ambrosia beetles and their potential to impact North American trees. We selected 55 Asian and European scolytine beetle species using host-use, economic, and regulatory criteria. We isolated 111 of their most consistent fungal associates and tested their effect on four important Southeastern American pine and oak species. Our test dataset found no highly virulent pathogens that should be classified as an imminent threat. Twenty-two fungal species were minor pathogens, which may require context-dependent response for their vectors at North American borders, while most of the tested fungi displayed no significant impact. Our results are significant in three ways: they ease the concerns over multiple overseas pests suspected of heightened potential risk; they provide basis for focus on the prevention of introduction and establishment of species that may be of consequence; and they demonstrate that pre-invasion assessment, if scaled up, can support practical risk assessment of exotic pathogens.

Note:
Related Files :
epidemiology
Forest Pathology
Fungal pathogens
Host parasite interactions
Show More
Related Content
More details
DOI :
10.1094/PHYTO-01-21-0041-R.
Article number:
0
Affiliations:
Database:
PubMed
Publication Type:
article
;
.
Language:
English
Editors' remarks:
ID:
55766
Last updated date:
02/03/2022 17:27
Creation date:
27/07/2021 18:18
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Scientific Publication
Pre-invasion assessment of exotic bark beetle-vectored fungi to detect tree-killing pathogens

You Li 
Craig Bateman
James Skelton
Bo Wang
Adam Black
Yin-Tse Huang 
Allan Gonzalez 
Michelle A Jusino 
Zachary J Nolen 
Stanley Freeman 
Zvi Mendel
Chi-Yu Chen
Hou-Feng Li 
Miroslav Kolařík 
Miloš Knížek 
Ji-Hyun Park 
Wisut Sittichaya 
Pham Hong Thai
Shin-Ichiro Ito 
Masato Torii 
Lei Gao 
Andrew J Johnson 
Min Lu 
Jianghua Sun
Zhen Zhang 
Damian C Adams
 Jiri Hulcr             

Pre-invasion assessment of exotic bark beetle-vectored fungi to detect tree-killing pathogens .

Exotic diseases and pests of trees have caused continental-scale disturbances in forest ecosystems and industries, and their invasions are considered largely unpredictable. We tested the concept of pre-invasion assessment of not-yet invasive organisms, which enables empirical risk assessment of potential invasion and impact. Our example assesses fungi associated with Old World bark and ambrosia beetles and their potential to impact North American trees. We selected 55 Asian and European scolytine beetle species using host-use, economic, and regulatory criteria. We isolated 111 of their most consistent fungal associates and tested their effect on four important Southeastern American pine and oak species. Our test dataset found no highly virulent pathogens that should be classified as an imminent threat. Twenty-two fungal species were minor pathogens, which may require context-dependent response for their vectors at North American borders, while most of the tested fungi displayed no significant impact. Our results are significant in three ways: they ease the concerns over multiple overseas pests suspected of heightened potential risk; they provide basis for focus on the prevention of introduction and establishment of species that may be of consequence; and they demonstrate that pre-invasion assessment, if scaled up, can support practical risk assessment of exotic pathogens.

Scientific Publication
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