2004. Katy Mallams, Southwest Oregon Forest Insect and Disease pathologist. Dying Port Orford cedar (Chamaecyparis lawsoniana) with root girdling. Humboldt site.
Katy Mallams, Southwest Oregon Forest Insect and Disease pathologist. Dying Port Orford cedar (Chamaecyparis lawsoniana) with root girdling. Humboldt site.
Photo by: Richard Sniezko
Date: March 17, 2004
Credit: USDA Forest Service, Region 6, Umpqua National Forest, Dorena Genetic Resource Center.
Source: DRGC digital photo collection; courtesy Richard Sniezko, Cottage Grove, Oregon.
Dorena Genetic Resource Center (DGRC) is the USDA Forest Service's regional service center for genetics in the Pacific Northwest Region. Dorena houses disease resistance breeding programs for five-needled pines and Port-Orford-cedar, a native plant development program, and the National Tree Climbing Program. For additional photos of the DGRC program, see: www.fs.usda.gov/detail/r6/landmanagement/resourcemanageme...
Image provided by USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection: www.fs.usda.gov/main/r6/forest-grasslandhealth
2004. Katy Mallams, Southwest Oregon Forest Insect and Disease pathologist. Dying Port Orford cedar (Chamaecyparis lawsoniana) with root girdling. Humboldt site.
Katy Mallams, Southwest Oregon Forest Insect and Disease pathologist. Dying Port Orford cedar (Chamaecyparis lawsoniana) with root girdling. Humboldt site.
Photo by: Richard Sniezko
Date: March 17, 2004
Credit: USDA Forest Service, Region 6, Umpqua National Forest, Dorena Genetic Resource Center.
Source: DRGC digital photo collection; courtesy Richard Sniezko, Cottage Grove, Oregon.
Dorena Genetic Resource Center (DGRC) is the USDA Forest Service's regional service center for genetics in the Pacific Northwest Region. Dorena houses disease resistance breeding programs for five-needled pines and Port-Orford-cedar, a native plant development program, and the National Tree Climbing Program. For additional photos of the DGRC program, see: www.fs.usda.gov/detail/r6/landmanagement/resourcemanageme...
Image provided by USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection: www.fs.usda.gov/main/r6/forest-grasslandhealth