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Pacific Southwest Research Station

Pacific Southwest
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Publications and Products

General Technical Report

Title: Proceedings of the sudden oak death third science symposium

Author: Frankel, Susan J.; Kliejunas, John T.; Palmieri, Katharine M., tech. coords.

Date: 2008

Source: Gen. Tech. Rep. PSW-GTR-214, Albany, CA: Pacific Southwest Research Station, Forest Service, U.S. Department of Agriculture. 491 p

Station ID: GTR-PSW-214

Description: The Sudden Oak Death Third Science Symposium provided a forum for current research on sudden oak death, caused by the exotic, quarantine pathogen, Phytophthora ramorum. One hundred and seventeen submissions describing papers and posters on the following sudden oak death/ P. ramorum topics are included: biology, genetics, nursery, and wildland management, monitoring, ecology, and diagnostics.

Key Words: Sudden oak death, Phytophthora ramorum, invasive species, tanoak, coast live oak

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Front Matter and Table of Contents

Front Matter  4.1 MB

Welcome, Overview, and Updates

Eradication of Phytophthora ramorum from Oregon forests: status after 6 years 1.2 MB
Alan Kanaskie, Ellen Goheen, Nancy Osterbauer, Mike McWilliams, Everett Hansen, and Wendy Sutton
An update on Phytophthora ramorum in European nurseries 33 KB
David Slawson, Jennie Blackburn, and Lynne Bennett

Landscape Monitoring and Mapping

Natural outbreaks of Phytophthora ramorum in the U.K. current status and monitoring update 214 KB
Judith Turner, Philip Jennings, Gilli Humphries, Steve Parker, Sam McDonough, Jackie Stonehouse, David Lockley, and David Slawson
Quantification of sudden oak death tree mortality in the Big Sur ecoregion of California 19 KB
Douglas A. Shoemaker, Christopher B. Oneal, David M. Rizzo, and Ross K. Meentemeyer
Distribution of Phytophthora ramorum, P. nemorosa, and P. pseudosyringae in native Coastal California forest communities 613 KB
S.K. Murphy, A.C. Wickland, S.C. Lynch, C.E. Jensen, P.E. Maloney, and D.M. Rizzo
2006 pilot survey for Phytophthora ramorum in forest streams in the USA 297 KB
S. W. Oak, J. Hwang, S.N. Jeffers, and B.M. Tkacz


Introducing the Phytophthora database: an integrated resource for detecting, monitoring, and managing Phytophthora diseases 137 KB
Kelly L. Ivors, FrankMartin, Michael Coffey, Izabela Makalowska, David M. Geiser, and Seogchan Kang

Nursery Research and Management

Can Phytophthora ramorum be spread with contaminated irrigation water? 157 KB
D. Seipp, T. Brand, K. Kaminski, S. Wagner, and S. Werres
Four years of experience with filtration systems in commercial nurseries for eliminating Phytophthora species from recirculation water 130 KB
T. Ufer, M. Posner, H.-P. Wessels, S. Wagner, K. Kaminski, T. Brand, and S. Werres

Forest Insects and Pathogens: Quarantine Issues

Biology and Ecology

Phytophthora ramorum infects tanoak sapwood and is associated with reduced sap flux and specific conductivity of xylem 148 KB
Jennfer Parke, Eunsung Oh, Steve Voelker, Everett Hansen, Gerri Buckles, and Barb Lachenbruch
Chemistry of coast live oak response to Phytophthora ramorum infection 237 KB
Frances S. Ockels, Alieta Eyles, Brice A. McPherson, David L. Wood, and Pierluigi Bonello
Log susceptibility of Iberian tree species to Phytophthora ramorum 173 KB
Eduardo Moralejo, Jose Andres Garcia-Mufioz, and Enrique Descals
Attraction of ambrosia and bark beetles to coast live oaks infected by Phytophthora ramorum 186 KB
Brice A. McPherson, Nadir Erbilgin, David L. Wood, Pavel Svihra, Andrew J. Storer, and Richard B.Standiford
Susceptibility to Phytophthora ramorum in California bay laurel, a key foliar host of sudden oak death 139 KB
Brian L. Anacker, Nathan E. Rank, Daniel Huberli, Matteo Garbelotto, Sarah Gordon, Rich Whitkus, Tami Harnik, Matthew Meshriy, Lori Miles, and Ross K. Meentemeyer
Human activity and the spread of Phytophthora ramorum 130 KB
J. Hall Cushman, Michelle Cooper, Ross K. Meentemeyer, and Shelly Benson
Spread and development of Phytophthora ramorum in a California christmas tree farm 140 KB
Gary A. Chastagner, Kathy Riley, and Norm Dart
Sporulation of Phytophthora ramorum and P. kernoviae on asymptomatic foliage and fruit 253 KB
S. Denman, E. Moralejo, S.A. Kirk, E. Orton, and A. Whybrow
The Status of Phytophthora ramorum in Ireland 249 KB
Carmel O' Connor and Elizabeth Gosling
Five years of monitoring infection and mortality in redwood tanoak forests 170 KB
Richard C. Cobb, Shannon C. Lynch, Ross K. Meentemeyer, and David M. Rizzo
Influence of oak woodland composition and structure on infection by Phytophthora ramorum 155 KB
Nathan Rank, Hall Cushman, Brian Anacker, David Rizzo, and Ross Meentemeyer
Landscape connectivity influences the establishment of Phytophthora ramorum 134 KB
T. Emiko Condeso and Ross K. Meentemeyer
Influence of woodland expansion (1942 to 2000) on the establishment of Phytophthora ramorum 145 KB
Ross K. Meentemeyer, Nathan E. Rank, Brian L. Anacker, David M. Rizzo, and J. Hall Cushman
Pathogenicity of Phytophthora species isolated from rhizosphere soil in the Eastern United States 142 KB
Y. Balci, S. Balci, W.L. MacDonald, and K. W. Gottschalk
Phytophthora species associated with stem cankers on tanoak in southwestern Oregon 176 KB
Paul Reeser, Wendy Sutton, and Everett Hansen


Population structure of Phytophthora ramorum in Oregon 398 KB
Simone Prospero, Jennifer Britt, Niklaus Grunwald, and Everett Hansen


Predicting movement of nursery hosts using a linear network model 1.3 MB
Steve McKelvey, Frank Koch, and Bill Smith
Climate-host mapping of Phytophthora ramorum, causal agent of sudden oak death 2.0 MB
Roger Magarey, Glenn Fowler, Manuel Colunga, Bill Smith, and Ross Meentemeyer
Predicting the spread of sudden oak death in California: spatial-temporal modeling of susceptible-infectious transitions 127 KB
Richard D. Hunter, Ross K. Meentemeyer, David M. Rizzo, and Christopher A. Gilligan


Vegetation response following Phytophthora ramorum eradication treatments in southwest Oregon forests 179 KB
Ellen Michaels Goheen, Everett Hansen, Alan Kanaskie, Wendy Sutton, and Paul Reeser
Wildland management of Phytophthora ramorum in northern California forests 573 KB
Yana Valachovic, Chris Lee, Jack Marshall, and Hugh Scanlon


Six years of aerial and ground monitoring surveys for sudden oak death in California 121 KB
Lisa Bell, Jeff Mai, Zachary Heath, Erik Haunreiter, and Lisa M. Fischer
Effectiveness of fungicides in protecting conifers and rhododendrons from Phytophthora ramorum 220 KB
Gary A. Chastagner, Annie DeBauw, Kathy Riley, and Norm Dart
Microbial- and Isothiocyanate-mediated control of Phytophthora and Pythium species 704 KB
M.F. Cohen, E. Yamamoto, E. Condeso, B.L. Anacker, N. Rank, and M. Mazzola
Identification of control agents and factors affecting pathogenicity of Phytophthora ramorum 190 KB
Marianne Elliott, Simon F. Shamoun, Grace Sumampong, Delano James, Stephan C. Briere, Saad Masri, and Aniko Varga
New relationships among the sudden oak death pathogen, bark and ambrosia beetles, and fungi colonizing coast live oaks 156 KB
Nadir Erbilgin, Brice A. McPherson, Pierluigi Bonello, David L. Wood, and Andrew J. Nelson
Summer survival of Phytophthora ramorum in California bay laurel leaves 133 KB
Elizabeth J. Fichtner, David M. Rizzo, Shannon C. Lynch, Jennfer Davidson, Gerri Buckles, and Jennfer Parke
Suppression of Phytophthora ramorum in aluminum-amended peatmoss 143 KB
Elizabeth J. Fichtner, David M. Rizzo, and H. David Shew
Molecular evolution of an avirulence Homolog (Avh) gene subfamily in Phytophthora ramorum 126 KB
Erica M. Goss, Caroline M. Press, and Niklaus J. Grunwald
Effect of flooding on root and foliar disease severity on Rhododendron caused by Phytophthora ramorum 185 KB
Niklaus J. Grunwald, Megan Kitner, and Robert G. Linderman
Correlating Phytophthora ramorum infection rate and lesion expansion in tanoak 154 KB
Katherine Hayden, Heather Rickard, and Matteo Garbelotto
Geographical distribution of Phytophthora ramorum in Norway 133 KB
Maria-Luz Herrero, Brita Toppe, and Trond Rafoss
Evaluation of a rapid diagnostic field test kit for identification of Phytophthora ramorum, P. kernoviae and other Phytophthora species at the point of inspection 344 KB
C.R. Lane, E. Hobden, L. Laurenson, V.C. Barton, K.J.D. Hughes, H. Swan, N. Boonham, and A.J. Inman
Photosynthetic declines are induced by Phytophthora ramorum infection and exposure to elicitins 261 KB
Daniel K. Manter, Rick G. Kelsey, and Joseph J. Karchesy
Evaluation of molecular markers for Phytophthora ramorum detection and identification using a standardized library of isolates 220 KB
F.N. Martin, M. Coffey, R. Hamelin, P. Tooley, M. Garbelotto, K. Hughes, and T. Kubisiak
Monitoring Phytophthora ramorum distribution in streams within coastal California watersheds 204 KB
S.K. Murphy, C. Lee, Y. Valachovic, J. Bienapfl, W. Mark, A. Jirka, D.R. Owen, T.F. Smith, and D.M. Rizzo
Phytophthora ramorum early detection surveys for forests in the United States, 2003-2006 199 KB
S. W. Oak, A.H. Elledge, E.K. Yockey, W.D. Smith, and B.M. Tkacz
Susceptibility of some native plant species from Hawaii to Phytophthora ramorum 151 KB
Paul Reeser, Everett Hansen, Wendy Sutton, Jennifer Davidson, and Jennifer Parke
Phytophthora siskiyouensis, a new species from soil and water in southwest Oregon 166 KB
Paul Reeser, Everett Hansen, and Wendy Sutton
Spatial variation in effects of temperature on phenotypic characteristics of Phytophthora ramorum isolates From Eastern Sonoma County 134 KB
Valerie Sherron, Nathan E. Rank, Michael Cohen, Brian L. Anacker, and Ross K. Meentemeyer
The maturation and germination of Phytophthora ramorum chlamydospores 1.4 MB
Aaron L. Smith and Everett M. Hansen
Microlimate environmental parameters indexed for sudden oak death in Georgia and South Carolina 234 KB
Pauline Spaine, William J. Otrosina, Stanley J. Zarnoch, and Sharon V. Lumpkin
Stream monitoring for detection of Phytophthora ramorum in Oregon 183 KB
W. Sutton, E.M. Hansen, P. Reeser, and A. Kanaskie
Evaluation of fungicides for control of Phytophthora ramorum 160 KB
S. Wagner, K. Kaminski, and S. Werres
Susceptibility of selected ornamental plants to Phytophthora ramorum 129 KB
K. Kaminski, S. Wagner, and S. Werres
Studies of tissue colonization in Rhododendron by Phytophthora ramorum 192 KB
Marko Riedel, Stefan Wagner, Monika Gotz, Lassaad Belbahri, Francois Lefort, and Sabine Werres
The Big Sur ecoregion sudden oak death adaptive management project: ecological monitoring 151 KB
Allison C. Wickland, Kerri M. Frangioso, David M. Rizzo, and Ross K. Meentemeyer


Frankel, Susan J.; Kliejunas, John T.; Palmieri, Katharine M., tech. coords.  2008.  Proceedings of the sudden oak death third science symposium.  Gen. Tech. Rep. PSW-GTR-214. Albany, CA: U.S. Department of Agriculture, Forest Service, Pacific Southwest Research Station. 491 p.