Publication Information
Title: Ground verification of aerial for Port-Orford-cedar root disease in Southwest Oregon.
Author: Kanaskie, A.; McWilliams, M.; Overhulser, D.; Prukop, J.; Christian, R.; Malvitch, S.
Date: 2002
Source: [Brochure]. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station
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.
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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 Station
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