Coniferiporia weirii
| Phellinus weirii | |
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| Species: | P. weirii
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| Binomial name | |
| Phellinus weirii (Murrill) Gilb., (1974)
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Phellinus weirii, commonly known as Laminated Root Rot, is a plant pathogen most notable for infecting Douglas Fir. It is widespread in the Douglas Fir Growing regions of British Columbia, Washington and Oregon.[1] It is easily 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.
Slowed growth after infection is one of the effects of tree infection.[2] You can see this pretty clearly in the photographs if you expand them somewhat.
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Moderately advanced infection -
Close up of Phellinus weirii infection at Apiary, Oregon
References
- ^ "Forest Pathology: Laminated Root Rot". Canadian Forest Service. Retrieved 2007-07-16.
- ^ http://www.fs.fed.us/pnw/pubs/gtr349/gtr349b.pdf
External links
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