Slide caption: "Paul Hennon using shigometer on Douglas-fir root for Phellinus weirii. Note: Didn't work for stain." Additional information from www.fs.fed.us/t-d/pubs/html/97241202/97241202.html : "The Shigometer is a battery-operated, lightweight field ohmmeter developed over many years by Alex Shigo of the USDA Forest Service Northeastern Forest Experiment Station (see figure 4). This instrument generates a pulsed direct current and registers (in thousands of ohms) the...
Topics: foresthealthprotection, usda, stateandprivateforestry, douglasfir, Forest Pathology, shigometer,...
Research plant pathologist Lew Roth (striped sweater) speaks at the Lewis Roth Dwarf Mistletoe Trail dedication. North Twin Lake, Deschutes National Forest, Oregon. For more about Lewis Roth and the trail see: www.bendbulletin.com/slideshows/1517072-151/dwarf-mistletoe Photo by: Unknown; courtesy of: Paul Deignan Date: August 30, 2005 Photo credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection, Central Oregon Service Center. Source: Central Oregon Service...
Topics: r6, usda, stateandprivateforestry, dwarfmistletoe, foresthealth, Celebrations and Awards, 2005,...