Phytophthora lateralis. Aerial detection survey. Port Orford, Oregon. Photo by: Peter W. Orr Date: July 1959 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. For geospatial data collected during annual aerial forest insect and disease detection surveys see: www.fs.usda.gov/detail/r6/forest-grasslandhealth/insects-... For related historic program...
Topics: Aerial Detection Surveys, foresthealthprotection, aerialphoto, usda, peterworr,...
DPG pointing out discolored inner bark caused by Port Orford cedar root disease. Near Bandon, Oregon. Port-Orford-cedar root disease is best identified by the cinnamon-colored inner bark and cambium that abruptly joins creamy white, healthy inner bark in roots and lower boles. Just prior to tree death, the discolored zone may extend 2 to 5 feet aboveground. This symptom is most readily seen on trees that are wilted or yellow. In trees that have been dead for several months, all the inner bark...
Topics: foresthealthprotection, discoloration, usda, stateandprivateforestry, insectanddiseasecontrol,...
Port Orford cedar root disease resistance field meeting. Photo by: Richard Sniezko Date: June 6, 2001 Credit: USDA Forest Service, Region 6, Umpqua National Forest, Dorena Genetic Resource Center. Source: DRGC digital photo collection; courtesy Richard Sniezko, Cottage Grove, Oregon. Dorena Genetic Resource Center (DGRC) is the USDA Forest Service's regional service center for genetics in the Pacific Northwest Region. Dorena houses disease resistance breeding programs for five-needled pines and...
Topics: dorena, foresthealthprotection, usda, stateandprivateforestry, richardsniezko,...
Dead outer branch of Port Orford cedar infected with Phytophthora lateralis. Photo by: Richard Sniezko Date: June 9, 2003 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
Topics: 2003, foresthealthprotection, usda, stateandprivateforestry, richardsniezko, portorfordcedar,...
Val Hickerson sitting on a Port Orford cedar stump with POC seedlings - part of a validation planting on his farm. Photo by: Richard Sniezko Date: June 9, 2003 Credit: USDA Forest Service, Region 6, Umpqua National Forest, Dorena Genetic Resource Center. Source: DRGC digital photo collection; courtesy Richard Sniezko, Cottage Grove, Oregon. Dorena Genetic Resource Center (DGRC) is the USDA Forest Service's regional service center for genetics in the Pacific Northwest Region. Dorena houses...
Topics: planting, 2003, foresthealthprotection, usda, stateandprivateforestry, hickerson, richardsniezko,...
Port Orford cedar stump killed by Phytophthora lateralis root disease at Hickerson farm. Photo by: Richard Sniezko Date: June 9, 2003 Credit: USDA Forest Service, Region 6, Umpqua National Forest, Dorena Genetic Resource Center. Source: DRGC digital photo collection; courtesy Richard Sniezko, Cottage Grove, Oregon. Dorena Genetic Resource Center (DGRC) is the USDA Forest Service's regional service center for genetics in the Pacific Northwest Region. Dorena houses disease resistance breeding...
Topics: 2003, stump, foresthealthprotection, usda, stateandprivateforestry, hickerson, richardsniezko,...
Hickerson farm Port Orford cedar root disease resistance validation planting. Photo by: Richard Sniezko Date: June 9, 2003 Credit: USDA Forest Service, Region 6, Umpqua National Forest, Dorena Genetic Resource Center. Source: DRGC digital photo collection; courtesy Richard Sniezko, Cottage Grove, Oregon. Dorena Genetic Resource Center (DGRC) is the USDA Forest Service's regional service center for genetics in the Pacific Northwest Region. Dorena houses disease resistance breeding programs for...
Topics: planting, 2003, foresthealthprotection, usda, stateandprivateforestry, hickerson, richardsniezko,...
Port-Orford-Cedar Mapping within the Biscuit Fire. Poster by: Frank Betlejewski Date: 2004 Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection, Southwest Oregon Forest Insect and Disease Service Center Source: Forest Health Monitoring posters: www.fs.fed.us/foresthealth/fhm/posters/ 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, foresthealth, phytophthoralateralis, 2004, region6,...
Katy Marshall collecting samples of Port Orford cedar. Photo by: Richard Sniezko Date: June 9, 2003 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
Topics: katymarshall, r6, usda, stateandprivateforestry, katymallams, 2003, podorean,...
A 2006 Port Orford cedar root disease resistance validation planting. Plum Creek Timber Company site in southwest Oregon. Photo by: Richard Sniezko Date: May 22, 2007 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
Topics: r6, usda, stateandprivateforestry, richardsniezko, 2007, phytophthoralateralis,...
Port Orford cedar dying of Phytophthora lateralis root disease. POC technical committee field trip. Powers Ranger District, Rogue River-Siskiyou National Forest, Oregon. Photo by: Richard Sniezko Date: June 4, 2003 Credit: USDA Forest Service, Region 6, Umpqua National Forest, Dorena Genetic Resource Center. Source: DRGC digital photo collection; courtesy Richard Sniezko, Cottage Grove, Oregon. Dorena Genetic Resource Center (DGRC) is the USDA Forest Service's regional service center for...
Topics: r6, usda, stateandprivateforestry, 2003, richardsniezko, phytophthoralateralis,...
A Port Orford cedar tree resistant to root disease (Phytophthora lateralis) planted as tree number one on the City of Myrtle Point Tree Trail. Myrtle Point, Oregon. Photo by: Richard Sniezko Date: May 6, 2004 Credit: USDA Forest Service, Region 6, Umpqua National Forest, Dorena Genetic Resource Center. Source: DRGC digital photo collection; courtesy Richard Sniezko, Cottage Grove, Oregon. Dorena Genetic Resource Center (DGRC) is the USDA Forest Service's regional service center for genetics in...
Topics: r6, usda, stateandprivateforestry, resistant, richardsniezko, foresthealth, phytophthoralateralis,...
Port Orford cedar root disease resistance test site, planted in 2000. Bill Creek, BLM Medford District, Oregon. Photo by: Richard Sniezko Date: October 16, 2003 Credit: USDA Forest Service, Region 6, Umpqua National Forest, Dorena Genetic Resource Center. Source: DRGC digital photo collection; courtesy Richard Sniezko, Cottage Grove, Oregon. Dorena Genetic Resource Center (DGRC) is the USDA Forest Service's regional service center for genetics in the Pacific Northwest Region. Dorena houses...
Topics: r6, usda, stateandprivateforestry, usdi, 2003, richardsniezko, phytophthoralateralis,...
Dorena geneticist Richard Sniezko with Port Orford cedar seedling in water. Photo courtesy: Richard Sniezko Date: January 10, 2002 Credit: USDA Forest Service, Region 6, Umpqua National Forest, Dorena Genetic Resource Center. Source: DRGC digital photo collection; courtesy Richard Sniezko, Cottage Grove, Oregon. Dorena Genetic Resource Center (DGRC) is the USDA Forest Service's regional service center for genetics in the Pacific Northwest Region. Dorena houses disease resistance breeding...
Topics: disease, r6, usda, stateandprivateforestry, 2002, richardsniezko, phytophthoralateralis,...
Val Hickerson sitting on a Port Orford cedar stump at a POC validation planting on his farm. Photo by: Richard Sniezko Date: June 9, 2003 Credit: USDA Forest Service, Region 6, Umpqua National Forest, Dorena Genetic Resource Center. Source: DRGC digital photo collection; courtesy Richard Sniezko, Cottage Grove, Oregon. Dorena Genetic Resource Center (DGRC) is the USDA Forest Service's regional service center for genetics in the Pacific Northwest Region. Dorena houses disease resistance breeding...
Topics: r6, usda, stateandprivateforestry, valhickerson, 2003, richardsniezko, seedlings,...
Port Orford cedar technical committee field trip. Hoopa Valley Tribe, northern California. Photo by: Richard Sniezko Date: June 22, 2004 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
Topics: r6, usda, stateandprivateforestry, dorenageneticresourcecenter, richardsniezko,...
A 2002 Port Orford cedar planting; 90%+ survival rate. Moore Mill site, located just north of the town of Port Orford, Oregon. Photo by: Richard Sniezko Date: May 22, 2007 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:...
Topics: r6, usda, stateandprivateforestry, 2002, richardsniezko, 2007, phytophthoralateralis,...
Three living (striped flagging) chlorotic Port Orford cedar at the West Whiskey outplanting site. Port Orford cedar technical committee meeting. Rogue River-Siskiyou National Forest, Oregon. Photo by: Richard Sniezko Date: October 19, 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. Dorena Genetic Resource Center (DGRC) is the USDA Forest Service's regional...
Topics: r6, usda, stateandprivateforestry, richardsniezko, foresthealth, phytophthoralateralis,...
A Port Orford cedar tree resistant to root disease (Phytophthora lateralis) planted as tree number one on the City of Myrtle Point Tree Trail. Myrtle Point, Oregon. Photo by: Richard Sniezko Date: May 6, 2004 Credit: USDA Forest Service, Region 6, Umpqua National Forest, Dorena Genetic Resource Center. Source: DRGC digital photo collection; courtesy Richard Sniezko, Cottage Grove, Oregon. Dorena Genetic Resource Center (DGRC) is the USDA Forest Service's regional service center for genetics in...
Topics: r6, usda, stateandprivateforestry, resistant, richardsniezko, foresthealth, phytophthoralateralis,...
A 2002 Port Orford cedar planting; 90%+ survival rate. Some deer browse and elk rubbing present. Moore Mill site, located just north of the town of Port Orford, Oregon. Photo by: Richard Sniezko Date: May 22, 2007 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:...
Topics: r6, usda, stateandprivateforestry, richardsniezko, 2007, phytophthoralateralis,...
Hickerson farm Port Orford cedar root disease resistance validation planting. Photo by: Richard Sniezko Date: June 9, 2003 Credit: USDA Forest Service, Region 6, Umpqua National Forest, Dorena Genetic Resource Center. Source: DRGC digital photo collection; courtesy Richard Sniezko, Cottage Grove, Oregon. Dorena Genetic Resource Center (DGRC) is the USDA Forest Service's regional service center for genetics in the Pacific Northwest Region. Dorena houses disease resistance breeding programs for...
Topics: r6, usda, stateandprivateforestry, 2003, richardsniezko, seedlings, phytophthoralateralis,...
Katy Marshall examining Port Orford cedar dying of Phytophthora lateralis root disease. Photo by: Richard Sniezko Date: June 9, 2003 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
Topics: katymarshall, r6, usda, stateandprivateforestry, katymallams, 2003, podorean,...
Port Orford cedar technical committee field trip. Hoopa Valley Tribe, northern California. Photo by: Richard Sniezko Date: June 22, 2004 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
Topics: r6, usda, stateandprivateforestry, dorenageneticresourcecenter, richardsniezko,...
Port Orford cedar killed by Phytophthora lateralis root disease. POC technical committee field trip. Powers Ranger District, Rogue River-Siskiyou National Forest, Oregon. Photo by: Richard Sniezko Date: June 4, 2003 Credit: USDA Forest Service, Region 6, Umpqua National Forest, Dorena Genetic Resource Center. Source: DRGC digital photo collection; courtesy Richard Sniezko, Cottage Grove, Oregon. Dorena Genetic Resource Center (DGRC) is the USDA Forest Service's regional service center for...
Topics: r6, usda, stateandprivateforestry, 2003, richardsniezko, phytophthoralateralis,...
Examining dead trees killed by Port Orford cedar root disease (Phytophthora lateralis) and animal damage. 2002 Port Orford cedar root disease resistance validation trial on Plum Creek Timber Company land in southwest Oregon. Photo by: Richard Sniezko Date: May 22, 2007 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...
Topics: r6, usda, stateandprivateforestry, trial, richardsniezko, 2007, phytophthoralateralis,...
Katy Mallams, Southwest Oregon Forest Insect and Disease pathologist. Dying Port Orford cedar (Chamaecyparis lawsoniana) with root girdling. Humboldt site. Photo by: Richard Sniezko Date: March 17, 2004 Credit: USDA Forest Service, Region 6, Umpqua National Forest, Dorena Genetic Resource Center. Source: DRGC digital photo collection; courtesy Richard Sniezko, Cottage Grove, Oregon. Dorena Genetic Resource Center (DGRC) is the USDA Forest Service's regional service center for genetics in the...
Topics: katymarshall, r6, usda, stateandprivateforestry, dorenageneticresourcecenter, katymallams,...
Port Orford cedar Onion Camp validation planting; planted in 2004. Biscuit Fire. Port Orford cedar technical committee meeting. Illinois Valley Ranger District, Rogue River-Siskiyou National Forest, Oregon. Photo by: Richard Sniezko Date: October 19, 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. Dorena Genetic Resource Center (DGRC) is the USDA Forest...
Topics: r6, usda, stateandprivateforestry, richardsniezko, foresthealth, phytophthoralateralis,...
Looking into a 2002 Port Orford cedar root disease resistance validation trial on Plum Creek Timber Company land. Mortality is mostly from animal damage, but a few are dead from Phytophthora lateralis. Southwest Oregon. Photo by: Richard Sniezko Date: May 22, 2007 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,...
Topics: r6, usda, stateandprivateforestry, trial, richardsniezko, 2007, phytophthoralateralis,...
Port Orford cedar root disease field meeting with forest pathologists Don Goheen (R6) and Pete Angwin (R5). Photo by: Richard Sniezko Date: June 6, 2001 Credit: USDA Forest Service, Region 6, Umpqua National Forest, Dorena Genetic Resource Center. Source: DRGC digital photo collection; courtesy Richard Sniezko, Cottage Grove, Oregon. Dorena Genetic Resource Center (DGRC) is the USDA Forest Service's regional service center for genetics in the Pacific Northwest Region. Dorena houses disease...
Topics: r6, usda, stateandprivateforestry, 2001, richardsniezko, phytophthoralateralis, donaldjgoheen,...
Dorena Genetic Resource Center Geneticist, Richard Sniezko, with a Port Orford cedar tree resistant to root disease (Phytophthora lateralis). This tree replaced an earlier Port Orford cedar that died from root disease. City of Myrtle Point Tree Trail. Myrtle Point, Oregon. Photo courtesy of: Richard Sniezko Date: May 6, 2004 Credit: USDA Forest Service, Region 6, Umpqua National Forest, Dorena Genetic Resource Center. Source: DRGC digital photo collection; courtesy Richard Sniezko, Cottage...
Topics: r6, usda, stateandprivateforestry, resistant, richardsniezko, foresthealth, phytophthoralateralis,...
Tree from sow number 41 (70024x70028) is necrotic with mottled foliage, but branch ends and top are green. 2002 Port Orford cedar root disease resistance validation trial on Plum Creek Timber Company land in southwest Oregon. Photo by: Richard Sniezko Date: May 22, 2007 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...
Topics: r6, usda, stateandprivateforestry, 2002, trial, richardsniezko, 2007, phytophthoralateralis,...
Port Orford cedar tree number 117341OP with a lesion caused by Phytophthora lateralis root disease. Part of the 2002 Dorena Port Orford cedar root disease resistance validation trial on Plum Creek Timber Company land in southwest Oregon. Photo by: Richard Sniezko Date: May 22, 2007 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...
Topics: r6, usda, stateandprivateforestry, trial, richardsniezko, 2007, phytophthoralateralis,...
Port Orford cedar root disease resistance test site; seedlings planted in 2000. Bill Creek, BLM Medford District, Oregon. Photo by: Richard Sniezko Date: October 16, 2003 Credit: USDA Forest Service, Region 6, Umpqua National Forest, Dorena Genetic Resource Center. Source: DRGC digital photo collection; courtesy Richard Sniezko, Cottage Grove, Oregon. Dorena Genetic Resource Center (DGRC) is the USDA Forest Service's regional service center for genetics in the Pacific Northwest Region. Dorena...
Topics: r6, usda, stateandprivateforestry, 2003, medford, richardsniezko, seedlings, phytophthoralateralis,...
Tom Blush (left), Mike McWilliams (center, map), and Isabelle LeBouc (far right). Biscuit Fire. Port Orford cedar technical committee meeting. Illinois Valley Ranger District, Rogue River-Siskiyou National Forest, Oregon. Photo by: Richard Sniezko Date: October 19, 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. Dorena Genetic Resource Center (DGRC) is the...
Topics: r6, usda, stateandprivateforestry, richardsniezko, foresthealth, 2006, dorenageneticresourcecenter,...
Port Orford cedar killed by root disease (Phytophthora lateralis). Photo by: Richard Sniezko Date: 2004 Credit: USDA Forest Service, Region 6, Umpqua National Forest, Dorena Genetic Resource Center. Source: DRGC digital photo collection; courtesy Richard Sniezko, Cottage Grove, Oregon. Dorena Genetic Resource Center (DGRC) is the USDA Forest Service's regional service center for genetics in the Pacific Northwest Region. Dorena houses disease resistance breeding programs for five-needled pines...
Topics: plantpathogen, usda, stateandprivateforestry, 2004, tree, richardsniezko, foresthealth,...
Val Hickerson sitting on a Port Orford cedar stump with POC seedlings - part of a validation planting on his farm. Photo by: Richard Sniezko Date: June 9, 2003 Credit: USDA Forest Service, Region 6, Umpqua National Forest, Dorena Genetic Resource Center. Source: DRGC digital photo collection; courtesy Richard Sniezko, Cottage Grove, Oregon. Dorena Genetic Resource Center (DGRC) is the USDA Forest Service's regional service center for genetics in the Pacific Northwest Region. Dorena houses...
Topics: r6, usda, stateandprivateforestry, study, valhickerson, 2003, richardsniezko, seedlings,...
Port Orford cedar root disease resistance test site; seedlings planted in 2000. Bill Creek, BLM Medford District, Oregon. Photo by: Richard Sniezko Date: October 16, 2003 Credit: USDA Forest Service, Region 6, Umpqua National Forest, Dorena Genetic Resource Center. Source: DRGC digital photo collection; courtesy Richard Sniezko, Cottage Grove, Oregon. Dorena Genetic Resource Center (DGRC) is the USDA Forest Service's regional service center for genetics in the Pacific Northwest Region. Dorena...
Topics: r6, usda, stateandprivateforestry, 2003, richardsniezko, seedlings, phytophthoralateralis,...
Port Orford cedar technical committee field trip. Hoopa Valley Tribe, northern California. Photo by: Richard Sniezko Date: June 22, 2004 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
Topics: r6, usda, stateandprivateforestry, dorenageneticresourcecenter, richardsniezko,...
Don Goheen and Katy Mallams (forest pathologists with the Southwest Oregon Forest Insect and Disease Service Center) examine a sickly Port Orford cedar. 2002 Port Orford cedar root disease resistance validation trial on Plum Creek Timber Company land in southwest Oregon. Photo by: Richard Sniezko Date: May 22, 2007 Credit: USDA Forest Service, Region 6, Umpqua National Forest, Dorena Genetic Resource Center. Source: DRGC digital photo collection; courtesy Richard Sniezko, Cottage Grove, Oregon....
Topics: r6, usda, stateandprivateforestry, katymallams, trial, richardsniezko, 2007, phytophthoralateralis,...
Monitoring a 2006 Port Orford cedar root disease resistance validation planting. The area planted in 2006 is to the right of the road. Plum Creek Timber Company site in southwest Oregon. Photo by: Richard Sniezko Date: May 22, 2007 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...
Topics: r6, usda, stateandprivateforestry, richardsniezko, 2007, phytophthoralateralis,...
Scott Kolpak and Heather May collecting seedling survival data. Port Orford cedar root disease resistance test site; seedlings planted in 2000. Bill Creek, BLM Medford District, Oregon. Photo by: Richard Sniezko Date: October 16, 2003 Credit: USDA Forest Service, Region 6, Umpqua National Forest, Dorena Genetic Resource Center. Source: DRGC digital photo collection; courtesy Richard Sniezko, Cottage Grove, Oregon. Dorena Genetic Resource Center (DGRC) is the USDA Forest Service's regional...
Topics: r6, usda, stateandprivateforestry, 2003, richardsniezko, phytophthoralateralis,...
Laura Berdeen pollinating Port Orford cedar in the greenhouse. Dorena Genetic Resource Center, Cottage Grove, Oregon. Photo by: Richard Sniezko Date: March 20, 2003 Credit: USDA Forest Service, Region 6, Umpqua National Forest, Dorena Genetic Resource Center. Source: DRGC digital photo collection; courtesy Richard Sniezko, Cottage Grove, Oregon. Dorena Genetic Resource Center (DGRC) is the USDA Forest Service's regional service center for genetics in the Pacific Northwest Region. Dorena houses...
Topics: r6, usda, stateandprivateforestry, 2003, richardsniezko, phytophthoralateralis,...
Dead young Port Orford cedars along a skid road in a farm wood lot after introduction of Phytophthora lateralis during logging of a Douglas-fir overstory. Oregon. Photo by: Unknown Date: c.1967 Credit: National Archives and Records Administration RG# 95-GP Records of the Forest Service General Subject Files Forest Service Negative Number: 521249 NARA Image: 95-GP-5016-Box0847_026_001_AC Image provided by USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health...
Topics: overstoryremoval, r6, usda, stateandprivateforestry, logging, phytophthoralateralis, region6, usda,...
Port Orford cedar root disease field meeting with forest pathologists Don Goheen (R6) and Pete Angwin (R5). Photo by: Richard Sniezko Date: June 6, 2001 Credit: USDA Forest Service, Region 6, Umpqua National Forest, Dorena Genetic Resource Center. Source: DRGC digital photo collection; courtesy Richard Sniezko, Cottage Grove, Oregon. Dorena Genetic Resource Center (DGRC) is the USDA Forest Service's regional service center for genetics in the Pacific Northwest Region. Dorena houses disease...
Topics: r6, usda, stateandprivateforestry, 2001, richardsniezko, phytophthoralateralis, donaldjgoheen,...
Healthy Port Orford cedar outside the infection area. Page Mountain area. Rogue River-Siskiyou National Forest. Photo by: Richard Sniezko Date: June 24, 2004 Credit: USDA Forest Service, Region 6, Umpqua National Forest, Dorena Genetic Resource Center. Source: DRGC digital photo collection; courtesy Richard Sniezko, Cottage Grove, Oregon. Dorena Genetic Resource Center (DGRC) is the USDA Forest Service's regional service center for genetics in the Pacific Northwest Region. Dorena houses disease...
Topics: r6, usda, stateandprivateforestry, 2004, richardsniezko, foresthealth, phytophthoralateralis,...
Port Orford cedars killed by Phytophthora lateralis root disease. Page Mountain area. Rogue River-Siskiyou National Forest. Photo by: Richard Sniezko Date: June 24, 2004 Credit: USDA Forest Service, Region 6, Umpqua National Forest, Dorena Genetic Resource Center. Source: DRGC digital photo collection; courtesy Richard Sniezko, Cottage Grove, Oregon. Dorena Genetic Resource Center (DGRC) is the USDA Forest Service's regional service center for genetics in the Pacific Northwest Region. Dorena...
Topics: r6, usda, stateandprivateforestry, 2004, richardsniezko, foresthealth, phytophthoralateralis,...
Battle Axe Port Orford cedar common garden site. Port Orford cedar technical committee meeting site visit. BLM Roseburg District, Oregon. Note: "Long-term common garden out-planting study—Short duration tests in low-stress nursery environments are not well suited for the expression of cumulative response to environmental stresses. Long-term field common garden studies are designed to reveal adaptive-based G-x-E interactions for guiding seed zoning and transfer. Four common garden sites...
Topics: r6, usda, stateandprivateforestry, richardsniezko, foresthealth, phytophthoralateralis, 2005,...
Port Orford cedar root disease resistance test site; seedlings planted in 2000. Bill Creek, BLM Medford District, Oregon. Photo by: Richard Sniezko Date: October 16, 2003 Credit: USDA Forest Service, Region 6, Umpqua National Forest, Dorena Genetic Resource Center. Source: DRGC digital photo collection; courtesy Richard Sniezko, Cottage Grove, Oregon. Dorena Genetic Resource Center (DGRC) is the USDA Forest Service's regional service center for genetics in the Pacific Northwest Region. Dorena...
Topics: r6, usda, stateandprivateforestry, 2003, trial, richardsniezko, seedlings, phytophthoralateralis,...
Don Goheen, forest pathologist, recording Port Orford cedar root disease data. Photo by: Richard Sniezko Date: June 6, 2001 Credit: USDA Forest Service, Region 6, Umpqua National Forest, Dorena Genetic Resource Center. Source: DRGC digital photo collection; courtesy Richard Sniezko, Cottage Grove, Oregon. Dorena Genetic Resource Center (DGRC) is the USDA Forest Service's regional service center for genetics in the Pacific Northwest Region. Dorena houses disease resistance breeding programs for...
Topics: r6, usda, stateandprivateforestry, 2001, richardsniezko, phytophthoralateralis, donaldjgoheen,...
Sign reads: "City of Myrtle Point Tree Trail. Tree number one, the tree identified in the Myrtle Point Tree Trail Guide, died in 2001 from Port-Orford-cedar root disease (caused by Phytophthora lateralis). The pathogen kills roots of the host and girdles the main stem preventing the tree from obtaining water and nutrients from the soil and eventually causing the tree's death. The tree that was originally located here was removed in the fall of 2001. Forest scientists have identified some...
Topics: r6, usda, stateandprivateforestry, resistant, tree, richardsniezko, foresthealth,...
