Effectiveness of Vehicle Washing and Roadside Sanitation in Decreasing Spread Potential of Port-Orford-Cedar Root Disease

Goheen, Donald J.; Mallams, Katrina; Betlejewski, Frank; Hansen, E. M.

doi:10.5849/wjaf.11-011

Cited by 11 publications

(14 citation statements)

References 4 publications

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“…They include in part 1, road closures and washing vehicles before entering healthy forests and reducing inoculum by killing small vulnerable Port-Orford cedar in disturbed roadside soil to reduce the opportunity for disease increase [83]. A feature of the management strategy is a program to select for resistance in the surviving Port-Orford cedar population and to plant disease-resistant seedlings in the forest [84,85].…”

Section: Discussionmentioning

confidence: 99%

Phytophthora Species Emerging as Pathogens of Forest Trees

Hansen

2015

Curr Forestry Rep

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Section: Discussionmentioning

confidence: 99%

Phytophthora Species Emerging as Pathogens of Forest Trees

Hansen

2015

Curr Forestry Rep

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“…Connectivity through human vectors was related to higher concentrations of P. ramorum being isolated in soil from sites surrounded by larger human populations (Cushman and Meentemeyer, 2008), and increased mortality of Chamaecyparis lawsoniana (Port Orford cedar) caused by Phytophthora lateralis was found in sites intersected by a road (Jules et al, 2002). Phytophthora lateralis has been isolated from water used to wash vehicles and boots, providing further evidence of the importance of human vectors to the spread of this pathogen (Goheen et al, 2012). Within California and Oregon coastal forests, black stain root disease (Leptographium wageneri) is also concentrated at the roadside (Hessburg, 2001).…”

Section: Species Diversity and Mixturesmentioning

confidence: 97%

“…The impacts of connectivity on tree diseases have predominantly been studied in coastal forests of California and Oregon (USA). Total forest area within a landscape, correlated with connectivity, predicted increases in incidence (Meentemeyer et al, 2008a) and severity of P. ramorum in Notholithocarpus densiflorus (tanoak) (Haas et al, 2011) and Umbellularia californica (California bay laurel) (Condeso and Meentemeyer, 2007;Meentemeyer et al, 2008a,b; Disease incidence Increased Hessburg, 2001;Condeso and Meentemeyer, 2007;Cushman and Meentemeyer, 2008;Meentemeyer et al, 2008a;Ellis et al, 2010;Haas et al, 2011;Goheen et al, 2012;Peterson et al, 2014 Disease severity Increased Condeso and Meentemeyer, 2007;Meentemeyer et al, 2008a,b;Haas et al, 2011;Havdova et al, 2017 Recovery Morrison et al, 1988Morrison et al, , 2014Gibbs et al, 2002;Hood et al, 2002;Thies and Westlind, 2005;Whitney and Irwin, 2005;Cram et al, 2010;Richter et al, 2011b;Shaw et al, 2012;Cleary et al, 2013 Disease incidence Varied Morrison et al, 1988Morrison et al, , 2014Ronnberg, 2000;Hood et al, 2002;Pankuch et al, 2003;Thies and Westlind, 2005;Thor and Stenlid, 2005;Holzmueller et al, 2008;Hood and Kimberley, 2009;Cram et al, 2010;…”

Section: Connectivitymentioning

confidence: 99%

The Effect of Forest Management Options on Forest Resilience to Pathogens

Roberts

Gilligan

Kleczkowski

et al. 2020

Front. For. Glob. Change

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Invasive pathogens threaten the ability of forests globally to produce a range of valuable ecosystem services over time. However, the ability to detect such pathogen invasions-and thus to produce appropriate and timely management responses-is relatively low. We argue that a promising approach is to plan and manage forests in a way that increases their resilience to invasive pathogens not yet present or ubiquitous in the forest. This paper is based on a systematic search and critical review of empirical evidence of the effect of a wide range of forest management options on the primary and secondary infection rates of forest pathogens, and on subsequent forest recovery. Our goals are to inform forest management decision making to increase forest resilience, and to identify the most important evidence gaps for future research. The management options for which there is the strongest evidence that they increase forest resilience to pathogens are: reduced forest connectivity, removal or treatment of inoculum sources such as cut stumps, reduced tree density, removal of diseased trees and increased tree species diversity. In all cases the effect of these options on infection dynamics differs greatly amongst tree and pathogen species and between forest environments. However, the lack of consistent effects of silvicultural systems or of thinning, pruning or coppicing treatments is notable. There is also a lack of evidence of how the effects of treatments are influenced by the scale at which they are applied, e.g., the mixture of tree species. An overall conclusion is that forest managers often need to trade-off increased resilience to tree pathogens against other benefits obtained from forests.

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“…Washing of vehicles and boots has been used to try to reduce the spread of Phytophthora (Goheen et al 2012), although whether it is actually effective remains largely unknown. There is anecdotal evidence of hikers walking past rather than using cleaning stations despite signage.…”

Section: Removal Of Human Vectorsmentioning

confidence: 99%

“…Following the same logic as trenching, the carbon supply to an invasive ectomycorrhizal fungus can be eliminated by killing all host plants supporting the invasive fungal population. The deliberate killing of trees has been used to slow the spread of pathogens (Goheen et al 2012), either to remove infected trees or to remove susceptible individuals along roadsides.…”

Section: Elimination Of Hostsmentioning

confidence: 99%

Towards management of invasive ectomycorrhizal fungi

et al. 2016

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Ectomycorrhizal fungi are increasingly recognized as invasive species. Invasive ectomycorrhizal fungi can be toxic to humans, may compete with native, edible or otherwise valuable fungi, facilitate the co-invasion of trees, and cause major changes in soil ecosystems, but also have positive effects, enabling plantation forestry and, in some cases, becoming a valuable food source. Land-managers are interested in controlling and removing invasive fungi, but there are few available strategies for management and none are based on robust scientific evidence. Nonetheless, despite the absence of relevant experiments, we suggest that knowledge of the fundamental ecology of fungi can help guide strategies. We review the literature and suggest potential strategies for prevention, for slowing the spread of invasive fungi, for eradication, and for long-term management. In many cases the most appropriate strategy will be species and context (including country) specific. In order to effectively address the problems posed by invasive ectomycorrhizal fungi, land managers and scientists need to work together to develop and robustly test control and management strategies.

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Effectiveness of Vehicle Washing and Roadside Sanitation in Decreasing Spread Potential of Port-Orford-Cedar Root Disease

Cited by 11 publications

References 4 publications

Phytophthora Species Emerging as Pathogens of Forest Trees

Phytophthora Species Emerging as Pathogens of Forest Trees

The Effect of Forest Management Options on Forest Resilience to Pathogens

Towards management of invasive ectomycorrhizal fungi

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