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...
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