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{{Short description|Species of fungus}}
{{Taxobox
{{Speciesbox
| image = Phellinus weirii.jpg
| image = Phellinus weirii.jpg
| image_caption = Fruit bodies of ''Phellinus weirii''
| image_caption = Fruit bodies
| regnum = [[Fungi]]
| genus = Coniferiporia
⚫
| species = weirii
| divisio = [[Basidiomycota]]
⚫
| authority = ([[William Alphonso Murrill|Murrill]]) L.W. Zhou & Y.C. Dai (2016)
| classis = [[Agaricomycetes]]
⚫
| synonyms_ref = <ref name="urlFungorum synonymy: Coniferiporia weirii"/>
| ordo = [[Hymenochaetales]]
| synonyms = {{hidden begin|title = List}}
| familia = [[Hymenochaetaceae]]
⚫
* ''Fomitiporia weirii'' <small>Murrill (1914)</small>
| genus = ''[[Phellinus]]''
⚫
* ''Poria weirii'' <small>(Murrill) Murrill (1914)</small>
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| species = '''''P. weirii'''''
⚫
* ''Fuscoporia weirii'' <small>(Murrill) Aoshima (1953)</small>
| binomial = ''Phellinus weirii''
* ''Inonotus weirii'' <small>(Murrill) [[Kotl.]] & [[Zdenek Pouzar|Pouzar]] (1970)</small>
⚫
| binomial_authority = ([[William Alphonso Murrill|Murrill]]) [[Gilb.]] (1974)
* ''Phellinidium weirii'' <small>(Murrill) Y.C.Dai (1995)</small>
⚫
| synonyms_ref = <ref name="urlFungorum synonymy: Phellinus weirii"/>
| synonyms = *''Fomitiporia weirii'' <small>Murrill (1914)</small>
* ''Phellinus weirii'' <small>(Murrill) [[Gilb.]] (1974)</small>
{{hidden end}}
⚫
*''Fuscoporia weirii'' <small>(Murrill) Aoshima (1953)</small>
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*''Inonotus weirii'' <small>(Murrill) [[Kotl.]] & [[Zdenek Pouzar|Pouzar]] (1970)</small>
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*''Phellinidium weirii'' <small>(Murrill) Y.C.Dai (1995)</small>
}}
}}


'''''Phellinus weirii''''' is a [[plant pathogen]] causing [[laminated root rot]] in certain [[conifer]]s, typically [[Douglas-fir]] and [[western redcedar]].<ref name="NRC">{{cite web|title=Laminated root rot |author=Natural Resources Canada |url=http://www.pfc.cfs.nrcan.gc.ca/pathology/rootd/laminated_e.html |accessdate=2008-10-04 |deadurl=yes |archiveurl=https://web.archive.org/web/20060902084947/http://www.pfc.cfs.nrcan.gc.ca/pathology/rootd/laminated_e.html |archivedate=September 2, 2006 }}</ref> It is widespread in the Douglas-fir growing regions of [[British Columbia]], [[Washington (U.S. state)|Washington]] and [[Oregon]].<ref>{{cite web | title = Forest Pathology: Laminated Root Rot | publisher = Canadian Forest Service | url =http://www.pfc.forestry.ca/pathology/rootd/laminated_e.html | accessdate = 2007-07-16 |archiveurl = https://web.archive.org/web/20070415081933/http://pfc.forestry.ca/pathology/rootd/laminated_e.html <!-- Bot retrieved archive --> |archivedate = 2007-04-15}}</ref>
'''''Coniferiporia weirii''''' is a species of fungus. It is a [[plant pathogen]] that causes [[laminated root rot]] in certain [[conifer]]s, typically [[Douglas-fir]] and [[western redcedar]].<ref name="NRC">{{cite web|title=Laminated root rot |author=Natural Resources Canada |url=http://www.pfc.cfs.nrcan.gc.ca/pathology/rootd/laminated_e.html |access-date=2008-10-04 |url-status=dead |archive-url=https://web.archive.org/web/20060902084947/http://www.pfc.cfs.nrcan.gc.ca/pathology/rootd/laminated_e.html |archive-date=September 2, 2006 }}</ref> It is widespread in the Douglas-fir growing regions of [[British Columbia]], [[Washington (U.S. state)|Washington]] and [[Oregon]].<ref>{{cite web | title = Forest Pathology: Laminated Root Rot | publisher = Canadian Forest Service | url =http://www.pfc.forestry.ca/pathology/rootd/laminated_e.html | access-date = 2007-07-16 |archive-url = https://web.archive.org/web/20070415081933/http://pfc.forestry.ca/pathology/rootd/laminated_e.html <!-- Bot retrieved archive --> |archive-date = 2007-04-15}}</ref>


==Overview==
== Description ==
''Coniferiporia weirii'' root rot is recognized first by the symptoms it induces in its hosts. Reduced terminal growth is usually the first symptom to appear, followed by yellowing ([[chlorosis]]) and thinning of crowns. Reduced growth rate is an attribute of tree infection.<ref>{{cite web |title=Introduction : Laminated root rot, caused by the fungus Phellinus weirii (Murr.) Gilb., is widespread in southern British Columbia, Washington, Oregon, northern California, western Montana, and northern Idaho. |url=http://www.fs.fed.us/pnw/pubs/gtr349/gtr349b.pdf |archive-url=https://web.archive.org/web/20121003143935/http://www.fs.fed.us/pnw/pubs/gtr349/gtr349b.pdf |archive-date=2012-10-03 |access-date=2022-03-24 |website=Fs.fed.us |format=PDF}}</ref> Particular attention is invited to the growth ring patterns visible in the images below.
Symptoms of fungal infection are readily recognized when timber is cut because a brown stain will appear on the butt cut. In early stages it will be just a spot in the heart wood, but as the disease advances it will extend most of the way around the heart wood, and in extreme cases may result in a hollow stump. Usually it is not observed more than a few feet above ground level.


==Commercial losses==
Losses due to the fungus are estimated at 4.4 million m<sup>3</sup> (157 million ft<sup>3</sup>) of timber in the Northwestern United States and in British Columbia.<ref>{{cite web | title = Laminated Root Rot of Western Conifers | publisher = U.S. Department of Agriculture | url = http://www.fs.fed.us/r6/nr/fid/fidls/fidl159.htm | accessdate = 2007-07-16}}</ref>
Losses due to the fungus are estimated at 4.4 million m<sup>3</sup> (157 million ft<sup>3</sup>) of timber in the Northwestern United States and in British Columbia.<ref>{{cite web | title = Laminated Root Rot of Western Conifers | publisher = U.S. Department of Agriculture | url = http://www.fs.fed.us/r6/nr/fid/fidls/fidl159.htm | access-date = 2007-07-16}}</ref>


Reduced growth rate is an attribute of tree infection.<ref>http://www.fs.fed.us/pnw/pubs/gtr349/gtr349b.pdf</ref> Particular attention is invited to the growth ring patterns visible in the images attached.
<gallery>
<gallery>
Image:Laminatedroot1.jpg| Moderately advanced infection
Image:Laminatedroot1.jpg| Moderately advanced infection
Image:Laminatedroot2.jpg| Close up of ''Phellinus weirii'' infection at [[Apiary, Oregon]]
Image:Laminatedroot2.jpg| Close up of infection at [[Apiary, Oregon]]
File:Phellinus weirii rot.jpg| Hollow log at stump level---An extreme case of infection
File:Phellinus weirii rot.jpg| Hollow log at stump level---An extreme case of infection
File:Phellinus weirii on a log.jpg| View of long butt showing reduced rot a few feet up from the stump
File:Phellinus weirii on a log.jpg| View of long butt showing reduced rot a few feet up from the stump
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{{Reflist|refs=
{{Reflist|refs=


<ref name="urlFungorum synonymy: Phellinus weirii">{{cite web |title=GSD Species Synonymy: ''Phellinus weirii'' (Murrill) Gilb. |url=http://www.speciesfungorum.org/GSD/GSDspecies.asp?RecordID=319804 |publisher=Species Fungorum. Kew Mycology |accessdate=2017-01-23}}</ref>
<ref name="urlFungorum synonymy: Coniferiporia weirii">{{cite web |title=GSD Species Synonymy: ''Phellinus weirii'' (Murrill) L.W. Zhou & Y.C. Dai |url=http://www.speciesfungorum.org/GSD/GSDspecies.asp?RecordID=814476|publisher=Species Fungorum. Kew Mycology |access-date=2024-02-21}}</ref>


}}
}}

==External links==
*{{IndexFungorum|319804}}


{{Taxonbar|from=Q7181237}}
{{Taxonbar|from=Q7181237}}
{{Authority control}}


[[Category:Fungal conifer pathogens and diseases]]
[[Category:Fungal conifer pathogens and diseases]]
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[[Category:Phellinus|weirii]]
[[Category:Fungi described in 1914]]
[[Category:Fungi described in 1914]]
[[Category:Fungi of North America]]
[[Category:Fungi of North America]]
[[Category:Taxa named by William Alphonso Murrill]]
[[Category:Taxa named by William Alphonso Murrill]]
⚫
[[Category:Fungus species]]




Latest revision as of 15:20, 22 February 2024

Coniferiporia weirii
Fruit bodies
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Fungi
Division: Basidiomycota
Class: Agaricomycetes
Order: Hymenochaetales
Family: Hymenochaetaceae
Genus: Coniferiporia
Species:
C. weirii
Binomial name
Coniferiporia weirii
(Murrill) L.W. Zhou & Y.C. Dai (2016)
Synonyms[1]
List
  • Fomitiporia weirii Murrill (1914)
  • Poria weirii (Murrill) Murrill (1914)
  • Fuscoporia weirii (Murrill) Aoshima (1953)
  • Inonotus weirii (Murrill) Kotl. & Pouzar (1970)
  • Phellinidium weirii (Murrill) Y.C.Dai (1995)
  • Phellinus weirii (Murrill) Gilb. (1974)

Coniferiporia weirii is a species of fungus. It is a plant pathogen that causes laminated root rot in certain conifers, typically Douglas-fir and western redcedar.[2] It is widespread in the Douglas-fir growing regions of British Columbia, Washington and Oregon.[3]

Description

[edit]

Coniferiporia weirii root rot is recognized first by the symptoms it induces in its hosts. Reduced terminal growth is usually the first symptom to appear, followed by yellowing (chlorosis) and thinning of crowns. Reduced growth rate is an attribute of tree infection.[4] Particular attention is invited to the growth ring patterns visible in the images below.

Commercial losses

[edit]

Losses due to the fungus are estimated at 4.4 million m3 (157 million ft3) of timber in the Northwestern United States and in British Columbia.[5]

  • Moderately advanced infection
    Moderately advanced infection
  • Close up of infection at Apiary, Oregon
    Close up of infection at Apiary, Oregon
  • Hollow log at stump level---An extreme case of infection
    Hollow log at stump level---An extreme case of infection
  • View of long butt showing reduced rot a few feet up from the stump
    View of long butt showing reduced rot a few feet up from the stump

References

[edit]
  1. ^ "GSD Species Synonymy: Phellinus weirii (Murrill) L.W. Zhou & Y.C. Dai". Species Fungorum. Kew Mycology. Retrieved 2024-02-21.
  2. ^ Natural Resources Canada. "Laminated root rot". Archived from the original on September 2, 2006. Retrieved 2008-10-04.
  3. ^ "Forest Pathology: Laminated Root Rot". Canadian Forest Service. Archived from the original on 2007-04-15. Retrieved 2007-07-16.
  4. ^ "Introduction : Laminated root rot, caused by the fungus Phellinus weirii (Murr.) Gilb., is widespread in southern British Columbia, Washington, Oregon, northern California, western Montana, and northern Idaho" (PDF). Fs.fed.us. Archived from the original (PDF) on 2012-10-03. Retrieved 2022-03-24.
  5. ^ "Laminated Root Rot of Western Conifers". U.S. Department of Agriculture. Retrieved 2007-07-16.


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