Effects of Harvesting Season and Stump Size on Incidence of Annosus Root Disease of True Fir

Filip, Gregory M.; Schmitt, Craig L.; Hosman, Kevin P.

doi:10.1093/wjaf/7.2.54

Cited by 4 publications

(5 citation statements)

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“…Both pathogenic A. solidipes and A. altimontana commonly co-occur on cool and mesic to warm and wet sites in the inland, northwestern USA, as previously reported [30,36,37]; however, A. solidipes has not been found in northern California where A. altimontana was found [61]. In northeastern Oregon, A. altimontana (as NABS X) was found in association with stumps of true fir with potential co-occurrence with Heterobasidion [62]. Based on a series of random plots in the inland, northwestern USA, McDonald et al [55] determined that vegetative subseries (groups of habitat types), which reflect temperature and moisture regimes, could be used as a predictor for the occurrence of A. altimontana (as NABS X).…”

Section: Ecologysupporting

confidence: 55%

“…In northern California, it was found in association with dead red fir (Abies magnifica) in a natural forest, and it was also found in association with disease on a living, planted ponderosa pine (Pinus ponderosa) [61]. In comparison, A. altimontana (as NABS X) was associated with dead grand fir (Abies grandis) and a diseased, living Douglas-fir (Pseudotsuga menziesii) in northeastern Oregon [11,62]. Surveys in southeastern British Columbia, Canada, revealed A. altimontana in association with dead conifers, a conifer stump, and a dead birch (Betula sp.)…”

Section: Host Associationsmentioning

confidence: 99%

“…In comparison, A . altimontana (as NABS X) was associated with dead grand fir ( Abies grandis ) and a diseased, living Douglas-fir ( Pseudotsuga menziesii ) in northeastern Oregon [ 11 , 62 ]. Surveys in southeastern British Columbia, Canada, revealed A .…”

Section: Host Associationsmentioning

confidence: 99%

“…altimontana was found [ 61 ]. In northeastern Oregon, A. altimontana (as NABS X) was found in association with stumps of true fir with potential co-occurrence with Heterobasidion [ 62 ]. Based on a series of random plots in the inland, northwestern USA, McDonald et al [ 55 ] determined that vegetative subseries (groups of habitat types), which reflect temperature and moisture regimes, could be used as a predictor for the occurrence of A .…”

Section: Ecologymentioning

confidence: 99%

“…In most cases, A. altimontana was collected as epiphytic rhizomorphs on the outside of roots and in the rhizosphere, with other samples collected from rotten wood, and mycelial fans under the bark of dead/dying trees; however, pathogenic signs of A. altimontana are infrequently observed as mycelial fans and/or rotten wood on living conifers (e.g., A. grandis and L. occidentalis) and hardwoods (e.g., Alnus). [11,39,61,62] and Table S1.…”

Section: Host Associationsmentioning

confidence: 99%

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Armillaria altimontana in North America: Biology and Ecology

Kim,

Hanna,

McDonald

et al. 2023

JoF

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Armillaria altimontana is a fungus (Basidiomycota, Agaricomycetes, Agaricales, and Physalacriaceae) that is generally considered as a weak/opportunistic pathogen or saprophyte on many tree hosts. It widely occurs across the northwestern USA to southern British Columbia, Canada, but relatively little is known about its ecological role in the diverse forest ecosystems where it occurs. This review summarizes the biology and ecology of A. altimontana, including its identification, life cycle, distribution, host associations, and bioclimatic models under climate change.

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Section: Ecologysupporting

confidence: 55%

Section: Host Associationsmentioning

confidence: 99%

Section: Host Associationsmentioning

confidence: 99%

Section: Ecologymentioning

confidence: 99%

Section: Host Associationsmentioning

confidence: 99%

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Armillaria altimontana in North America: Biology and Ecology

Kim,

Hanna,

McDonald

et al. 2023

JoF

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Butt rot incidence, yield and growth pattern in a tree species experiment in southwestern Sweden

Vollbrecht

Johansson

Eriksson

et al. 1995

Forest Ecology and Management

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Root diseases in coniferous forests of the Inland West: potential implications of fuels treatments

Rippy¹,

Stewart²,

Zambino³

et al. 2005

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____________________________________________After nearly 100 years of fire exclusion, introduced pests, and selective harvesting, a change in forest composition has occurred in many Inland West forests of North America. This change in forest structure has frequently been accompanied by increases in root diseases and/or an unprecedented buildup of fuels. Consequently, many forest managers are implementing plans for fuels treatments to lower the risk of severe wildfires.Impacts on root disease should be considered before selecting appropriate fuels treatments. Complex interactions exist among conifer root diseases, fuels treatments, forest structure, species composition, stand history, and other environmental factors. As forest managers prescribe fuels treatments, their success in lowering the risk of severe wildfire will depend in part on the impacts of these treatments on root disease. Root diseases are one of many factors to be considered when developing plans for fuels treatments. Choices must be made on a site-by-site basis, with knowledge of the diseases that are present.This paper provides examples of how fuels treatments may increase or reduce specific diseases and demonstrates their importance as considerations in the fuels management planning process. Several root diseases prevalent within Inland West of North America are addressed: Armillaria root disease, annosus root disease, laminated root rot, black stain root disease, Schweinitzii root and butt rot, Tomentosus root disease, Rhizina root rot, and stringy butt rot. For each disease, general information is provided on disease identification, management options, and potential effects of fuels treatments. However, many long-term studies are needed to assess effects of specific interactions among fuels treatments, root diseases, and host trees.Key words: wildfire, forest planning, forest structure, mechanical treatments, prescribed fire, coniferous hosts, pathogens, disease management Foreword ______________________This document is part of the Fuels Planning: Science Synthesis and Integration Project, a pilot project initiated by the USDA Forest Service to respond to the need for tools and information useful for planning site-specific fuel (vegetation) treatment projects. The information addresses fuel and forest conditions of the dry inland forests of the Western United States: those dominated by ponderosa pine, Douglas-fir, dry grand fir/white fir, and dry lodgepole pine potential vegetation types. Information was developed primarily for application at the stand level and is intended to be useful within this forest type regardless of ownership. Portions of the information also will be directly applicable to the pinyon pine/juniper potential vegetation types. Many of the concepts and tools developed by the project may be useful for planning fuel projects in other forests types. In particular, many of the social science findings would have direct applicability to fuel planning activities for forests throughout the United States. As is the case i...

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Effects of Harvesting Season and Stump Size on Incidence of Annosus Root Disease of True Fir

Cited by 4 publications

References 0 publications

Armillaria altimontana in North America: Biology and Ecology

Armillaria altimontana in North America: Biology and Ecology

Butt rot incidence, yield and growth pattern in a tree species experiment in southwestern Sweden

Root diseases in coniferous forests of the Inland West: potential implications of fuels treatments

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