Forest Pathologist Mike McWilliams (right) working with Umatilla National Forest personnel on a pilot project to measure the intensity of dwarf mistletoe seed production in western larch with dwarf mistletoe ratings of 5 or 6. Photo by: Blakey Lockman Date: September 6, 2017 Credit: USDA Forest Service, Region 6, State and Private Forestry Source: Blakey Lockman collection. Image provided by USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection:...
Topics: r6, usda, stateandprivateforestry, umatillanationalforest, dwarfmistletoe, forestpathologist,...
Dwarf mistletoe. Advanced Insect and Disease Field Session: Identification, Life Cycles, Control Measures and Silvicultural Regimes. Mt. Hood National Forest, Oregon. "Insect and disease conditions can complicate harvest plans and affect silvicultural regimes. These pests can also cause economic and aesthetic damages with long-lasting consequences. Resource managers need a solid understanding of pest biology and management options to make informed silvicultural, harvest planning and...
Topics: training, usda, stateandprivateforestry, dwarfmistletoe, r6, foresthealth, 2015, region6, insects,...
Male dwarf mistletoe plants (Arceuthobium tsugense subsp. mertensianae) on western white 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 results. Pacific...
Topics: r6, usda, stateandprivateforestry, treedamage, dwarfmistletoe, foresthealth, donaldjgoheen, male,...
Dwarf mistletoe in ponderosa pine. Malheur National Forest, Oregon. Photo by: Unknown Date: July 27, 2010 Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection. Source: FHP digital file collection; Regional Office, Portland, Oregon. Image provided by USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection: www.fs.usda.gov/main/r6/forest-grasslandhealth
Topics: foresthealthprotection, usda, stateandprivateforestry, malheurnationalforest, ponderosapine,...
Dwarf mistletoe in ponderosa pine. Malheur National Forest, Oregon. Photo by: Unknown Date: July 27, 2010 Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection. Source: FHP digital file collection; Regional Office, Portland, Oregon. Image provided by USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection: www.fs.usda.gov/main/r6/forest-grasslandhealth
Topics: foresthealthprotection, usda, stateandprivateforestry, malheurnationalforest, dwarfmistletoe, Dwarf...
Dwarf mistletoe in ponderosa pine. Malheur National Forest, Oregon. Photo by: Unknown Date: July 27, 2010 Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection. Source: FHP digital file collection; Regional Office, Portland, Oregon. Image provided by USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection: www.fs.usda.gov/main/r6/forest-grasslandhealth
Topics: pinusponderosa, foresthealthprotection, usda, stateandprivateforestry, mistletoe,...
Mistletoe. 6th Western Hazard Tree Workshop field trip. Southwest Oregon. From the 6th Western Hazard Tree Workshop agenda, located here: www.fs.fed.us/foresthealth/technology/htwc/2010/agenda.htm All-Day Field Trip along Hwy 140 1) Oak Problems, 2) Specimen Trees: World’s Largest White Pine, and 3) Fir Problems at Lake of the Woods Resort, Summer-homes, and Campgrounds – Ellen & Don Goheen, Katy Mallams, Kris Chadwick, Everett Hansen, and Alan Kanaskie. Proceedings from the 6th Western...
Topics: r6, usda, stateandprivateforestry, dwarfmistletoe, medford, region6, kristenchadwick, usfs,...
Forest entomologist Andy Eglitis (yellow hardhat) conducting an insect and disease training session for BLM employees. Metolius Heritage Demonstration Project,Oregon. Photo by: Unknown; courtesy of: Paul Deignan Date: October 30, 2008 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...
Topics: r6, usda, stateandprivateforestry, dwarfmistletoe, larch, publiceducation, foresthealth, region6,...
Douglas-fir with mistletoe broom. Lake of the Woods, Oregon. Photo by: Kristen Chadwick Date: c.2006 Photo credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection, Westside Forest Insect and Disease Service Center. Source: Kristen Chadwick collection; Sandy, Oregon. Image provided by USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection: www.fs.usda.gov/main/r6/forest-grasslandhealth
Topics: r6, lakeofthewoods, usda, stateandprivateforestry, dwarfmistletoe, foresthealth, region6,...
Plant pathologists Helen Maffei, Lew Roth, and Jim Barrett(?) 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,...
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,...
Forest Pathologist Helen Maffei speaking 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 Center slide...
Topics: r6, usda, stateandprivateforestry, dwarfmistletoe, foresthealth, Celebrations and Awards, 2005,...
Research plant pathologist Lew Roth listens as Helen Maffei 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...
Topics: r6, usda, stateandprivateforestry, plantpathology, foresthealth, Celebrations and Awards, 2005,...
Research plant pathologists Lew Roth (left) and Jim Barrett(?) at the Lewis Roth Dwarf Mistletoe Trail dedication. North Twin Lake, Deschutes National Forest, Oregon. Photo courtesy of: Kristen Chadwick Date: August 29, 2005 For more about Lewis Roth and the trail see: www.bendbulletin.com/slideshows/1517072-151/dwarf-mistletoe More of Kristen's photos are located here: www.flickr.com/photos/armillaria01/albums/72157594151075963 Photo credit: USDA Forest Service, Region 6, State and Private...
Topics: r6, usda, stateandprivateforestry, dwarfmistletoe, Celebrations and Awards, 2005, region6,...
Research plant pathologist Lew Roth prepares to cut the ribbon. Lewis Roth Dwarf Mistletoe Trail dedication. North Twin Lake, Deschutes National Forest, Oregon. Photo courtesy of: Kristen Chadwick Date: August 29, 2005 For more about Lewis Roth and the trail see: www.bendbulletin.com/slideshows/1517072-151/dwarf-mistletoe More of Kristen's photos are located here: www.flickr.com/photos/armillaria01/albums/72157594151075963 Photo credit: USDA Forest Service, Region 6, State and Private Forestry,...
Topics: r6, usda, stateandprivateforestry, dwarfmistletoe, Celebrations and Awards, 2005, region6,...
Dwarf mistletoe in ponderosa pine. Photo by: Possibly John Wortendyke Date: c.1970 Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection, Wenatchee Forest Insect and Disease Service Center. Source: Jim Hadfield collection; Wenatchee, Washington. Image provided by USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection: www.fs.usda.gov/main/r6/forest-grasslandhealth
Topics: jimhadfield, foresthealthprotection, usda, stateandprivateforestry, c1970, forestdisease, Dwarf...
Dwarf mistletoe in juniper. Photo by: Possibly John Wortendyke Date: c.1970 Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection, Wenatchee Forest Insect and Disease Service Center. Source: Jim Hadfield collection; Wenatchee, Washington. Image provided by USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection: www.fs.usda.gov/main/r6/forest-grasslandhealth
Topics: jimhadfield, foresthealthprotection, usda, stateandprivateforestry, juniper, c1970, forestdisease,...
Dwarf mistletoe damage. Photo by: Possibly John Wortendyke Date: c.1970 Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection, Wenatchee Forest Insect and Disease Service Center. Source: Jim Hadfield collection; Wenatchee, Washington. Image provided by USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection: www.fs.usda.gov/main/r6/forest-grasslandhealth
Topics: jimhadfield, foresthealthprotection, usda, stateandprivateforestry, c1970, forestdisease, Dwarf...
Part of a photo series of dwarf mistletoe in ponderosa pine. Photo by: Possibly John Wortendyke Date: c.1970 Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection, Wenatchee Forest Insect and Disease Service Center. Source: Jim Hadfield collection; Wenatchee, Washington. Image provided by USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection: www.fs.usda.gov/main/r6/forest-grasslandhealth
Topics: jimhadfield, foresthealthprotection, usda, stateandprivateforestry, plantpathologist,...
Part of a photo series of dwarf mistletoe in ponderosa pine. Photo by: Possibly John Wortendyke Date: c.1970 Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection, Wenatchee Forest Insect and Disease Service Center. Source: Jim Hadfield collection; Wenatchee, Washington. Image provided by USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection: www.fs.usda.gov/main/r6/forest-grasslandhealth
Topics: jimhadfield, foresthealthprotection, usda, stateandprivateforestry, plantpathologist, c1970,...
Part of a photo series of dwarf mistletoe in ponderosa pine. Photo by: Possibly John Wortendyke Date: c.1970 Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection, Wenatchee Forest Insect and Disease Service Center. Source: Jim Hadfield collection; Wenatchee, Washington. Image provided by USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection: www.fs.usda.gov/main/r6/forest-grasslandhealth
Topics: jimhadfield, foresthealthprotection, usda, stateandprivateforestry, plantpathologist, c1970,...
Part of a photo series of dwarf mistletoe in ponderosa pine. Photo by: Possibly John Wortendyke Date: c.1970 Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection, Wenatchee Forest Insect and Disease Service Center. Source: Jim Hadfield collection; Wenatchee, Washington. Image provided by USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection: www.fs.usda.gov/main/r6/forest-grasslandhealth
Topics: jimhadfield, foresthealthprotection, usda, stateandprivateforestry, plantpathologist,...
Dwarf mistletoe in ponderosa pine. Photo by: Possibly John Wortendyke Date: c.1970 Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection, Wenatchee Forest Insect and Disease Service Center. Source: Jim Hadfield collection; Wenatchee, Washington. Image provided by USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection: www.fs.usda.gov/main/r6/forest-grasslandhealth
Topics: jimhadfield, foresthealthprotection, usda, stateandprivateforestry, c1970, forestdisease, Dwarf...
Dwarf mistletoe damage in ponderosa pine. Photo by: Possibly John Wortendyke Date: c.1970 Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection, Wenatchee Forest Insect and Disease Service Center. Source: Jim Hadfield collection; Wenatchee, Washington. Image provided by USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection: www.fs.usda.gov/main/r6/forest-grasslandhealth
Topics: jimhadfield, foresthealthprotection, usda, stateandprivateforestry, ponderosapine, forestdisease,...
Dwarf mistletoe. Photo by: Possibly John Wortendyke Date: c.1970 Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection, Wenatchee Forest Insect and Disease Service Center. Source: Jim Hadfield collection; Wenatchee, Washington. Image provided by USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection: www.fs.usda.gov/main/r6/forest-grasslandhealth
Topics: jimhadfield, foresthealthprotection, usda, stateandprivateforestry, c1970, forestdisease, Dwarf...
Part of a photo series of dwarf mistletoe in ponderosa pine. Photo by: Possibly John Wortendyke Date: c.1970 Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection, Wenatchee Forest Insect and Disease Service Center. Source: Jim Hadfield collection; Wenatchee, Washington. Image provided by USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection: www.fs.usda.gov/main/r6/forest-grasslandhealth
Topics: jimhadfield, foresthealthprotection, usda, stateandprivateforestry, plantpathologist, c1970,...
Part of a photo series of dwarf mistletoe in ponderosa pine. Photo by: Possibly John Wortendyke Date: c.1970 Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection, Wenatchee Forest Insect and Disease Service Center. Source: Jim Hadfield collection; Wenatchee, Washington. Image provided by USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection: www.fs.usda.gov/main/r6/forest-grasslandhealth
Topics: jimhadfield, foresthealthprotection, usda, stateandprivateforestry, plantpathologist, c1970,...
Dwarf mistletoe in ponderosa pine. Photo by: Possibly John Wortendyke Date: c.1970 Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection, Wenatchee Forest Insect and Disease Service Center. Source: Jim Hadfield collection; Wenatchee, Washington. Image provided by USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection: www.fs.usda.gov/main/r6/forest-grasslandhealth
Topics: jimhadfield, foresthealthprotection, usda, stateandprivateforestry, c1970, forestdisease, Dwarf...
Dwarf mistletoe. Photo by: Possibly John Wortendyke Date: c.1970 Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection, Wenatchee Forest Insect and Disease Service Center. Source: Jim Hadfield collection; Wenatchee, Washington. Image provided by USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection: www.fs.usda.gov/main/r6/forest-grasslandhealth
Topics: jimhadfield, foresthealthprotection, usda, stateandprivateforestry, c1970, forestdisease, Dwarf...
Keith Shea with dwarf mistletoe in ponderosa pine. Green Mountain Plot. Tree 1180; 2.2 inch DBH. Photo by: Unknown Date: 1969 Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection. Collection: Region 6, Forest Health Protection slide collection; Regional Office, Portland, Oregon. Image provided by USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection: www.fs.usda.gov/main/r6/forest-grasslandhealth
Topics: foresthealthprotection, keithshea, usda, stateandprivateforestry, plantpathologist, dwarfmistletoe,...
A group of ponderosa pine killed by dwarf mistletoe. South Rim of the Grand Canyon, Arizona. Photo by: Frank G. Hawksworth Date: 1965 Credit: USDA Forest Service, Region 6, State and Private : Forestry, Forest Health Protection. Source: FHP digital collection; Regional Office; Portland, Oregon. For more see: Hawksworth, F.G. 1961. Dwarfmistletoe of ponderosa pine in the Southwest. USDA Forest Service. Technical Bulletin Number 1246. naldc.nal.usda.gov/download/CAT87201189/PDF Image provided by...
Topics: grandcanyon, foresthealthprotection, southrim, usda, stateandprivateforestry, frankghawksworth,...
Dwarf mistletoe sanitation. Deschutes National Forest, Oregon. Photo by: Benton Howard Date: 1961 Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection. Collection: Region 6, Forest Health Protection slide collection; Regional Office, Portland, Oregon. Image provided by USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection: www.fs.usda.gov/main/r6/forest-grasslandhealth
Topics: foresthealthprotection, usda, stateandprivateforestry, oregon, insectanddiseasecontrol, sanitation,...
Dwarf mistletoe sanitation. Deschutes National Forest, Oregon. Photo by: Benton Howard Date: 1961 Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection. Collection: Region 6, Forest Health Protection slide collection; Regional Office, Portland, Oregon. Image provided by USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection: www.fs.usda.gov/main/r6/forest-grasslandhealth
Topics: r6, usda, stateandprivateforestry, insectanddiseasecontrol, dwarfmistletoe, region6, benhoward,...
Lodgepole pine dwarf mistletoe sanitation logging. Deschutes National Forest, Oregon. Photo by: Unknown Date: c.1961 Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection. Collection: Region 6, Forest Health Protection slide collection; Regional Office, Portland, Oregon. Image provided by USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection: www.fs.usda.gov/main/r6/forest-grasslandhealth
Topics: foresthealthprotection, lodgepolepine, usda, stateandprivateforestry, Disease Control, sanitation,...
Effects of dwarf mistletoe in a heavily infested ponderosa pine stand. This image (USFS photo number 493869) is a repeat of USFS 493868 which was taken 5 years earlier. Four trees averaging about 12 inches in diameter were killed by dwarf mistletoe during this five year period. South Rim of the Grand Canyon, Arizona. Photo by: Frank G. Hawksworth Date: May 1955 Credit: USDA Forest Service, Region 6, State and Private : Forestry, Forest Health Protection. Source: FHP digital collection; Regional...
Topics: grandcanyon, foresthealthprotection, 493868, usda, stateandprivateforestry, 493869, fghawksworth,...