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65 results for E.M. Hansen

Title Date Authors Publication
| Show full citation 2013. , , , , , , , , , , , , Madrono (In press)
Alien forest pathogens: Phytophthora species are changing world forests. | Show full citation 2008. Boreal Environment Research 13: 33-41
An eradication strategy for Phytophthora ramorum in Oregon coastal forests. | Show full citation 2004. , , , , , , Phytopathology 94: S35.
Another canker-causing Phytophthora from California and Oregon forest trees. | Show full citation 2002. , , , , , Phytopathology 92: S17.
Assessing the susceptibility of Pacific Northwest nursery plants to Phytophthora ramorum using a detached leaf assay. | Show full citation 2002. , , Sudden Oak Death Science Symposium, 15-18 December 2002, Monterey, CA.
Christmas tree and conifer nursery stock: Sudden oak death project update. | Show full citation 2004. , , , Christmas Tree Lookout 37(3): 10-13.
Differential susceptibility to Phytophthora ramorum among Vaccinium species and cultivars. | Show full citation 2002. , , , Sudden Oak Death Science Symposium, 15-18 December 2002, Monterey, CA.
Early detection and eradication of Phytophthora ramorum (sudden oak death) in Oregon forests. | Show full citation 2009. , , , , , , , , Phytopathology 99: S61.
Effectiveness of fungicides in protecting Douglas-fir shoots from infection by Phytophthora ramorum. | Show full citation 2004. , , , Phytopathology 94: S16.
Epidemiology of Phytophthora ramorum in Oregon tanoak forests. | Show full citation 2008. , , , , , , , Canadian Journal of Forest Research 38: 1133-1143
Eradication of Phytophthora ramorum from Oregon Tanoak Forests – Status after Three Years. | Show full citation 2005. , , , , , Sudden Oak Death Science Symposium II, 18-21 January 2005, Monterey, CA.
Eradication of sudden oak death in Oregon. | Show full citation 2002. , , , , , Phytopathology 92: S30.
ffects of Phosphonate Treatments on the Growth of Phytophthora ramorum in Tanoak Stems. | Show full citation 2005. , , , Sudden Oak Death Science Symposium II, 18-21 January 2005, Monterey, CA.
First Report of A1 Mating Type of Phytophthora ramorum in North America. | Show full citation 2003. , , , Plant Disease 87(10): 1267.
First report of Phytophthora pseudosyringae in California, U.S.A. | Show full citation 2003. , , , , , Plant Disease 87.
Fungal invasions of North America. | Show full citation 2002. Inoculum 53: 31.
Genetic Uniformity of Phytophthora ramorum in North American Forests Revealed by Microsatellite Markers. | Show full citation 2005. , , Sudden Oak Death Science Symposium II, 18-21 January 2005, Monterey, CA.
Identification of fungicides to control sudden oak death. | Show full citation 2003. , Christmas Tree Lookout 36(3): 7-9.
Interactions between tanoak and Phytophthora ramorum studied on a microscopic and molecular scale. | Show full citation 2009. , , Phytopathology 99:S15.
Log inoculations to assess tree susceptibility to sudden oak death. | Show full citation 2002. , Phytopathology 92: S33.
Migration patterns of the emerging plant pathogen Phytophthora ramorum on the West Coast of the United States of America. | Show full citation 2009. , , , Phytopathology 99: 739-749.
Molecular diagnosis of Phytophthora lateralis in trees, water, and foliage baits using multiplex polymerase chain reaction. | Show full citation 2001. , Forest Pathology 31(5): 275-283.
Monitoring Phytophthora ramorum in Oregon coastal forests. | Show full citation 2004. , , , , , , , , , , Phytopathology 94: S48.
Monitoring the effectiveness of Phytophthora ramorum eradication treatments in southwest Oregon tanoak forests. | Show full citation 2009. , , , , , Phytopathology 99:S61.
Natural infection of tanoak seedling roots by Phytophthora ramorum. | Show full citation 2006. , , , , , , , Phytopathology 96: S90.
Persistence of Phytophthora ramorum after eradication efforts in Oregon Tanoak Forests. | Show full citation 2005. , Sudden Oak Death Science Symposium II, 18-21 January 2005, Monterey, CA.
Phenotypic plasticity, fitness and multilocus genotypes of Phytophthora ramorum populations in southern Oregon tanoak forests. | Show full citation 2009. , Phytopathology 99:S16.
Phytophthora diseases of oaks. | Show full citation 2003. Phytopathology 93: S102.
Phytophthora in forests of the Americas-2001. | Show full citation 2002. Proceedings of 2nd International Meeting on Phytophthoras in Forest and Wildland Ecosystems. International Union of Forestry Research Organizations Working Party 7.02.09. Albany, Western Australia. 30 September-5 October 2001.
Phytophthora in North American forests. | Show full citation 2003. APS Sudden Oak Death Online Symposium, 21 April - 12 May 2003.
Phytophthora in Oregon forests. Proceedings of 2nd International Meeting on Phytophthoras in Forest and Wildland Ecosystems. | Show full citation 2002. , International Union of Forestry Research Organizations Working Party 7.02.09. Albany, Western Australia. 30 September-5 October 2001.
Phytophthora in the Americas – 2001. | Show full citation 2003. Phytophthora in Forests and Natural Ecosystems (J. McComb, G. Hardy & I. Tommerup, eds): 19-24 Murdoch University Press, Perth, WA.
Phytophthora nemorosa, a new species causing cankers and leaf blight of forest trees in California and Oregon, U.S.A. | Show full citation 2003. , , , , , , Mycotaxon 88: 129-138.
Phytophthora ramorum and Oregon forest trees – one pathogen, three diseases. | Show full citation 2002. , , , Sudden Oak Death Science Symposium, 15-18 December 2002, Monterey, CA.
Phytophthora ramorum colonizes tanoak xylem and is associated with reduced stem water transport. | Show full citation 2007. , , , , , Phytopathology 97: 1558-1567.
Phytophthora ramorum reduces xylem sapflow and specific conductivity of sapwood in mature tanoak. | Show full citation 2006. , , , , Phytopathology 96: S90.
Phytophthora ramorum: Integrative research and management of an emerging pathogen in California and Oregon forests. | Show full citation 2005. , , Annual Review of Phytopathology 43: 13.1–13.27.
Phytophthora siskiyouensis, a new species from soil and water in Southwest Oregon. | Show full citation 2006. , , Phytopathology 96: S97.
Phytophthora Species Emerging as Pathogens of Forest Trees. Current Forestry Reports | Show full citation 2015 Current Forestry Reports
Phytophthora species from oak and tanoak forests in California and Oregon. | Show full citation 2005. , , Sudden Oak Death Science Symposium II, 18-21 January 2005, Monterey, CA.
Plant species naturally infected by Phytophthora ramorum in Oregon forests. | Show full citation 2002. , , , , , Sudden Oak Death Science Symposium, 15-18 December 2002, Monterey, CA.
Population dynamics of the sudden oak death pathogen Phytophthora ramorum in Oregon from 2001 to 2004. | Show full citation 2007. , , , Molecular Ecology. 16(14): 2958-7
Potential for Phytophthora ramorum to infect tanoak-associated vegetation in southwestern Oregon. | Show full citation 2003. , , Phytopathology 93: S93.
Potential impact of Phytophthora ramorum on nursery crops in the Pacific Northwest. | Show full citation 2002. , , Sudden Oak Death Science Symposium, 15-18 December 2002, Monterey, CA.
Predicting potential and actual distribution of sudden oak death in Oregon: Prioritizing landscape contexts for early detection and eradication of disease outbreaks. | Show full citation 2010. , , , , Forest Ecology and Management, 260(6): 1026-1035.
Relative virulence of Phytophthora species, including the sudden oak death pathogen P. ramorum, on several ornamental species. | Show full citation 2002. , , Phytopathology 92: S47.
Rethinking Phytophthora. | Show full citation 2002. Proceedings of 2nd International Meeting on Phytophthoras in Forest and Wildland Ecosystems. International Union of Forestry Research Organizations Working Party 7.02.09. Albany, Western Australia. 30 September-5 October 2001.
Spatial and Temporal Analysis of Populations of the Sudden Oak Death Pathogen in Oregon Forests | Show full citation 2015 , , , , Phytopathology
Sporulation potential of Phytophthora ramorum on leaf disks from selected hosts. | Show full citation 2002. , Sudden Oak Death Science Symposium, 15-18 December 2002, Monterey, CA.
Standardizing the nomenclature for clonal lineages of the sudden oak death pathogen, Phytophthora ramorum. | Show full citation 2009. , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , Phytopathology 99:792-795.
Stream monitoring for detection of Phytophthora ramorum in Oregon tanoak forests. | Show full citation 2009. , , , Plant Disease 93(11): 1182-1186.
Sudden oak death and associated diseases caused by Phytophthora ramorum. | Show full citation 2003. , , , , Plant Health Progress.
Sudden Oak Death and Phytophthora ramorum: A Guide for Forest Managers, Christmas Tree Growers, and Forest Tree Nursery Operators in Oregon and Washington. | Show full citation 2006. , , , , , , Oregon State University Extension Service, EM8877.
Sudden oak death surveys in Oregon – 2001. | Show full citation 2002. , , , , , , Phytopathology 92: S54.
Sudden oak death, caused by Phytophthora ramorum, in Oregon. | Show full citation 2002. , , , , , Plant Disease 66: 441.
Surveying and Monitoring Sudden Oak Death in Southwest Oregon Forests. | Show full citation 2005. , , , , , Sudden Oak Death Science Symposium II, 18-21 January 2005, Monterey, CA.
Survival of Phytophthora ramorum in Tanoak and Rhododendron Leaves. | Show full citation 2005. , , Sudden Oak Death Science Symposium II, 18-21 January 2005, Monterey, CA.
Susceptibility of conifer shoots to infection by Phytophthora ramorum. | Show full citation 2004. , , , Phytopathology 94: S16.
Susceptibility of Oregon forests trees and shrubs to Phytophthora ramorum: a comparison of artificial inoculation and natural infections. | Show full citation 2005. , , Plant Disease 89(1): 63-70.
Susceptibility of Oregon’s tanoak-associated plant species to Phytophthora ramorum. | Show full citation 2002. , , Sudden Oak Death Science Symposium, 15-18 December 2002, Monterey, CA.
Susceptibility of Vaccinium to Phytophthora ramorum, cause of the sudden oak death pathogen. | Show full citation 2002. , , Phytopathology 92: S63.
The effects of Phytophthora ramorum infection on hydraulic conductivity and tylosis formation in tanoak sapwood. | Show full citation 2009. , , , Canadian Journal of Forest Research 39(9): 1766–1776.
Trees, soils, streams and rain traps: Intensive sampling leads to recovery of multiple genotypes from hosts of Phytophthora ramorum in Oregon forests. | Show full citation 2009. , Phytopathology 99:S16.
Using Single Strand Conformational Polymorphisms (SSCP) to Identify Phytophthora Species in Oregon Forests Affected by Sudden Oak Death. | Show full citation 2005. , , , Sudden Oak Death Science Symposium II, 18-21 January 2005, Monterey, CA.
Utilizing genetic information to address Phytophthora ramorum/Sudden Oak Death. | Show full citation 2006. , , , , , , Unpublished report.