Mycelial fans of Armillaria ostoyae, cause of Armillaria root disease, under the bark of a dying sugar pine. Photo by: Ellen Michaels Goheen or Donald J. Goheen Date: c.2012 Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection, Southwest Oregon Forest Insect and Disease Service Center Source: Goheen, E.M. and Goheen, D.J., 2014. Status of sugar and western white pines on federal forest lands in southwest Oregon: Inventory query and natural stand survey...
Topics: usda, stateandprivateforestry, treedamage, foresthealth, donaldjgoheen, forestdamage,...
OPUS root disease crew. L-R: Shawn Schroeder, Helen Maffei, Stephanie Pickard, and Greg Filip. Central Oregon. For more see: ucanr.edu/sites/PTIPS/OPUS_Root_Disease/ Photo by: Paul Deignan Date: July 24, 2012 Photo credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection, Central Oregon Service Center. Source: Central Oregon Service Center slide collection. Bend, Oregon. Image provided by USDA Forest Service, Region 6, State and Private Forestry, Forest Health...
Topics: r6, usda, stateandprivateforestry, foresthealth, region6, forestpathologist, usfs, 2012,...
