1962. Western white pine and sugar pine side grafts were enclosed in a plastic bag protected from direct sunlight by aluminum foil. A drain hole was left in the cover. The cover was removed when the graft was established and the natural tree top cut off..
Western white pine and sugar pine side grafts were enclosed in a plastic bag protected from direct sunlight by aluminum foil. A drain hole was left in the cover. The cover was removed when the graft was established and the natural tree top cut off the next fall. Dorena Genetic Resource Center, Cottage Grove, Oregon.
Photo and caption by: Jerry Barnes
Date: 1962
Credit: USDA Forest Service, Region 6, Dorena Genetic Resource Center.
Source: Gerald Barnes 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.
To learn more about the history of the DGRC, see: www.fs.usda.gov/detail/r6/landmanagement/resourcemanageme...
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
1962. Western white pine and sugar pine side grafts were enclosed in a plastic bag protected from direct sunlight by aluminum foil. A drain hole was left in the cover. The cover was removed when the graft was established and the natural tree top cut off..
Western white pine and sugar pine side grafts were enclosed in a plastic bag protected from direct sunlight by aluminum foil. A drain hole was left in the cover. The cover was removed when the graft was established and the natural tree top cut off the next fall. Dorena Genetic Resource Center, Cottage Grove, Oregon.
Photo and caption by: Jerry Barnes
Date: 1962
Credit: USDA Forest Service, Region 6, Dorena Genetic Resource Center.
Source: Gerald Barnes 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.
To learn more about the history of the DGRC, see: www.fs.usda.gov/detail/r6/landmanagement/resourcemanageme...
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