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Ground verification of aerial for Port-Orford-cedar root disease in Southwest Oregon.
Author(s): A. Kanaskie; M. McWilliams; D. Overhulser; J. Prukop; R. Christian; S. Malvitch
Date: 2002
Source: [Brochure]. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station
Publication Series: Brochures
PDF: View PDF (401 KB)Description
Port-Orford-cedar (POC) (Chamaecyparis lawsoniana) is limited in its natural range to southwest Oregon and northwest California. It is highly susceptible to the introduced root pathogen, Phytophthora lateralis, which causes a fatal root disease throughout most of its range. The disease is transmitted by movement of infested soil and water and is most common along stream courses and roadsides. Trees killed by the disease typically turn vivid reddish brown, which provides a good aerial signature.Publication Notes
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Citation
Kanaskie, A.; McWilliams, M.; Overhulser, D.; Prukop, J.; Christian, R.; Malvitch, S. 2002. Ground verification of aerial for Port-Orford-cedar root disease in Southwest Oregon. [Brochure]. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research StationRelated Search
- Phytophthora lateralis on Port-Orford-cedar.
- Port-Orford-cedara poor risk for reforestation.
- Ecology, pathology, and management of Port-Orford-Cedar (Chamaecyparis lawsoniana).
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https://www.fs.usda.gov/treesearch/pubs/4991