Katherine Hayden (UC Berkeley) with tanoak seedlings for sudden oak death inoculation trials. IUFRO 3rd International Conference on Rusts of Forest Trees field trip.
For more about sudden oak death see:
www.suddenoakdeath.org/ Photo by: Richard Sniezko
Date: July 13, 2006
Credit: USDA Forest Service, Region 6, Umpqua National Forest, Dorena Genetic Resource Center.
Source: DRGC digital photo collection; courtesy Richard Sniezko, Cottage Grove, Oregon.
Image provided by USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection:
www.fs.usda.gov/main/r6/forest-grasslandhealth
