2007. Start of blister rust assessment (Sept. 2007) in three sugar pine diallels from 1998 planting. Preliminary estimates indicate >70% of trees with cankers. Dean Davis (in road), Bob Danchok, Sally Long, Deems Burton, and Scott Kolpak.
Start of blister rust assessment (Sept. 2007) in three sugar pine diallels from 1998 planting. Preliminary estimates indicate >70% of trees with cankers. Dean Davis (in road), Bob Danchok, Sally Long, Deems Burton, and Scott Kolpak.
Photo by: Richard Sniezko
Date: September 2007
Credit: USDA Forest Service, Region 6, Dorena Genetic Resource Center.
Source: DRGC online photo collection: www.fs.usda.gov/detail/r6/landmanagement/resourcemanageme...
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
2007. Start of blister rust assessment (Sept. 2007) in three sugar pine diallels from 1998 planting. Preliminary estimates indicate >70% of trees with cankers. Dean Davis (in road), Bob Danchok, Sally Long, Deems Burton, and Scott Kolpak.
Start of blister rust assessment (Sept. 2007) in three sugar pine diallels from 1998 planting. Preliminary estimates indicate >70% of trees with cankers. Dean Davis (in road), Bob Danchok, Sally Long, Deems Burton, and Scott Kolpak.
Photo by: Richard Sniezko
Date: September 2007
Credit: USDA Forest Service, Region 6, Dorena Genetic Resource Center.
Source: DRGC online photo collection: www.fs.usda.gov/detail/r6/landmanagement/resourcemanageme...
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