2016. Southwestern white pine seedling with resistant reaction (bark reaction) after inoculation with Cronartium ribicola (cause of white pine blister rust). Sow year 2014 trial. Dorena Genetic Resource Center, Cottage Grove, Oregon.
Southwestern white pine seedling with resistant reaction (bark reaction) after inoculation with Cronartium ribicola (cause of white pine blister rust). Sow year 2014 trial. Dorena Genetic Resource Center, Cottage Grove, Oregon.
Photo by: Richard Sniezko
Date: May 23, 2016
Credit: USDA Forest Service, Region 6, Umpqua National Forest, Dorena Genetic Resource Center.
Source: Richard Sniezko collection; Cottage Grove, Oregon.
For more about the Dorena Genetic Resource Center 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
2016. Southwestern white pine seedling with resistant reaction (bark reaction) after inoculation with Cronartium ribicola (cause of white pine blister rust). Sow year 2014 trial. Dorena Genetic Resource Center, Cottage Grove, Oregon.
Southwestern white pine seedling with resistant reaction (bark reaction) after inoculation with Cronartium ribicola (cause of white pine blister rust). Sow year 2014 trial. Dorena Genetic Resource Center, Cottage Grove, Oregon.
Photo by: Richard Sniezko
Date: May 23, 2016
Credit: USDA Forest Service, Region 6, Umpqua National Forest, Dorena Genetic Resource Center.
Source: Richard Sniezko collection; Cottage Grove, Oregon.
For more about the Dorena Genetic Resource Center 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