Pacific Southwest Research Station

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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

Front Matter and Table of Contents

Front Matter  4.1 MB

Welcome, Overview, and Updates

Welcome to the Sudden Oak Death Third Science Symposium 154 KB
Susan J. Frankel

Rethinking Phytophthora-research opportunities and management 101 KB
Everett Hansen

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

Status of Phytophthora ramorum and P. kernoviae in Europe 207 KB
Joan F. Webber

Determining the effectiveness of the federal order/interim rule on Phytophthora ramorum dissemination in nurseries 35 KB
Karen Suslow

An update on Phytophthora ramorum in European nurseries 33 KB
David Slawson, Jennie Blackburn, and Lynne Bennett

Canadian Phytophthora ramorum 2006 update 13 KB
Ken Wong

Phytophthora ramorum and P. kernoviae: regulation in the European Union 191 KB
Stephen Hunter

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

Detecting Phytophthora ramorum and other species of Phytophthora in streams in natural ecosystems using baiting and filtration methods 502 KB
Jaesoon Hwang, Steven W. Oak, and Steven N. Jeffers

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

The OakMapper WebGIS: improved access to sudden oak death spatial data 319 KB
K. Tuxen and M. Kelly

Diagnostics

Using sigmoidal curve-fitting in a real-time PCR detection assay to determine detection thresholds 281 KB
Pedro Uribe and Frank N. Martin

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

Detection of mRNA by reverse transcription real-time PCR as an indicator of viability in Phytophthora ramorum 380 KB
Antonio Chimento, Santa Olga Cacciola, and Matteo Garbelotto

Nursery Research and Management

Effect of environmental and seasonal factors on the susceptibility of different Rhododendron species and hybrids to Phytophthora ramorum 162 KB
Isabelle De Dobbelaere, Kurt Heungens, and Martine Maes

Can Phytophthora ramorum be spread with contaminated irrigation water? 157 KB
D. Seipp, T. Brand, K. Kaminski, S. Wagner, and S. Werres

Seasonal symptom expression, laboratory detection success, and sporulation potential of Phytophthora ramorum on Rhododendron and Camellia 638 KB
Steve A. Tjosvold, David L. Chambers, and Cheryl L. Blomquist

Monitoring for Phytophthora ramorum and other species of Phytophthora in nurseries and urban areas in the southeastern USA 163 KB
Yeshi A. Wamishe, Steven N. Jeffers, and Jaesoon Hwang

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

Soil treatments for the elimination of Phytophthora ramorum from nursery beds: current knowledge from the laboratory and the field 131 KB
L.E. Yakabe and J.D. MacDonald

Recommended industry best management practices for the prevention of Phytophthora ramorum introduction in nursery operations 269 KB
Karen Suslow

Forest Insects and Pathogens: Quarantine Issues

Facts or fiction: the evolving role of science in phytosanitary issues 148 KB
Eric Allen

Phytophthora ramorum + P. kernoviae = international biosecurity failure 201 KB
Clive Brasier

What you can do to help improve regulation of the plants for planting pathway 160 KB
Kerry O. Britton

Review of current information regarding the phytosanitary risks of Phytophthora ramorum and North American conifers 184 KB
Brenda Callan, Shane Sela, and Eric Allen

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

Invasion of xylem of mature tree stems by Phytophthora ramorum and P. kernoviae 142 KB
Anna Brown and Clive Brasier

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

Infection of tree stems by zoospores of Phytophthora ramorum and P. kernoviae 139 KB
Clive Brasier and Anna Brown

Phytophthora ramorum isolated from California bay laurel inflorescences and mistletoe: possible implications relating to disease spread 174 KB
Gary A. Chastagner, Kathy Riley, and Norm Dart

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

Increasing distance from California bay laurel reduces the risk and severity of Phytophthora ramorum canker in coast live oak 787 KB
Tedmund J. Swiecki and Elizabeth A. Bernhardt

Dissemination of aerial and root-infecting Phytophthoras by human vectors 173 KB
J.F. Webber and J. Rose

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

Genetics

What can availability of the Phytophthora ramorum genome do for us? 352 KB
Niklaus J. Grunwald

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

Mitochondrial genomics in the genus Phytophthora with a focus on Phytophthora ramorum 196 KB
Frank N. Martin and Paul Richardson

Modeling

Predicting movement of nursery hosts using a linear network model 1.3 MB
Steve McKelvey, Frank Koch, and Bill Smith

Epidemiological modeling of Phytophthora ramorum: network properties of susceptible plant genera movements in the nursery sector of England and Wales  132 KB
Marco Pautasso, Tom Harwood, Mike Shaw, Xiangming Xu, and Mike Jeger

Assessment of potential economic and environmental impacts caused by Phytophthora ramorum in Europe 182 KB
Hella Kehlenbeck

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

Mapping sudden oak death risk nationally using host, climate, and pathways data 820 KB
Frank H. Koch and William D. Smith

Linking sudden oak death risk with spatial economic value transfer 335 KB
Tom Holmes and Bill Smith

Management

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

Contingency planning for Phytophthora ramorum outbreaks: progress report work package 7, EU RAPRA project 243 KB
M.H.C. G. Steeghs

Posters

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

Spatial and temporal aspects of tylosis formation in tanoak inoculated with Phytophthora ramorum 126 KB
Brad Collins and Jennifer Parke

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

Estimated economic losses associated with the destruction of plants owing to Phytophthora ramorum quarantine efforts in Washington state 162 KB
N.L. Dart and G.A. Chastagner

Effects of environmental variables on the survival of Phytophthora ramorum in bay laurel leaves 133 KB
M. K DiLeo, R.M. Bostock, and D.M. Rizzo

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

In vitro testing of biological control agents on A1 and A2 isolates of Phytophthora ramorum 309 KB
Marianne Elliott and Simon Shamoun

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

Mapping hardwood mortality for the early detection of P. ramorum: an assessment of aerial surveys and object-oriented image analysis 2.2 MB
Erik Haunreiter, Zhanfeng Liu, Jeff Mai, Zachary Heath, and Lisa Fischer

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

Antimicrobial activity of extracts and select compounds in the heartwood of seven western conifers toward Phytophthora ramorum 201 KB
Daniel K. Manter, Rick G. Kelsey, and Joseph J. Karchesy

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

Comparative susceptibility of plants native to the Appalachian range of the United States to inoculation with Phytophthora ramorum 490 KB
R.G. Linderman, Patricia B. de Sá, and E.A. Davis

Pathogenicity variation in two west coast forest Phytophthoras, Phytophthora nemorosa and P. pseudosyringae, to bay laurel 146 KB
R.E. Linzer and M. Garbelotto

Monitoring Phytophthora ramorum and P. kernoviae in soil and rainwater samples collected at two sites on a Cornish estate 136 KB
David Lockley, Judith Turner, Gillian Humphries, and Phil Jennings

Monitoring Phytophthora ramorum in soil, leaf litter, and rain traps, and watercourses in an historical Cornish garden 160 KB
David Lockley, Judith Turner, Gillian Humphries, and Phil Jennings

Development of Phytophthora ramorum infection and disease symptoms on coast redwood seedlings 136 KB
Sunny Lucas, Jennfer L. Parke, and Yana Valachovic

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

In vitro foliage susceptibility of Canary Islands laurel forests: a model for better understanding the ecology of Phytophthora ramorum 170 KB
Eduardo Moralejo and Enrique Descals

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

Implementation of a thinning and burning study in tanoak-redwood stands in Santa Cruz and Mendocino counties 214 KB
Kevin L. O'Hara and Kristen M. Waring

Contemporary California Indian uses for food of species affected by Phytophthora ramorum 37 KB
Beverly R. Ortiz

A high throughput system for the detection of Phytophthora ramorum in susceptible plant species: a preliminary report 1.8 MB
A. Trippe, E. Berghauer, and N. Osterbauer

Global gene expression profiles of Phytophthora ramorum strain Pr102 in response to plant host and tissue differentiation 126 KB
Caroline M. Press and Niklaus J. Grunwald

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

Phytophthora ramorum in Scotland: is it all over? 452 KB
Alexandra Schlenzig

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

Environmental parameters affecting inoculum production from lilac leaf pieces infected with Phytophthora ramorum 170 KB
Nina Shishkoff

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

Comparing Phytophthora ramorum diagnostic protocols for the national sudden oak death stream monitoring program 4.1 MB
W. Sutton, E.M. Hansen, P. Reeser, and A. Kanaskie

Stream monitoring for detection of Phytophthora ramorum in Oregon 183 KB
W. Sutton, E.M. Hansen, P. Reeser, and A. Kanaskie

Preservation of Lithocarpus densiflorus diversity on California's central coast: a cooperative project with area residents 193 KB
Steven Swain, Doug Schmidt, and Matteo Garbelotto

Survival of Phytophthora ramorum chlamydospores at high and low temperatures 146 KB
Paul W. Tooley and Marsha Browning

Preliminary observations of heat treatment to control Phytophthora ramorum in infected wood species: an extended abstract 231 KB
K.M. Tubajika, R. Singh, and J.R. Shelly

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

Investigating the potential of biological control against Phytophthora ramorum 124 KB
Timothy L. Widmer

Citation

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.