Pacific Southwest Research Station

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General Technical Report

Title: Proceedings of the Sudden Oak Death Fourth Science Symposium

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

Date: 2010

Source: Gen. Tech. Rep. PSW-GTR-229. Albany, CA: U.S. Department of Agriculture, Forest Service, Pacific Southwest Research Station. 378 p

Station ID: GTR-PSW-229

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

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

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Front Matter and Contents

Front Matter and Contents 141 KB

Sudden Oak Death: A Global Update

Detection and Eradication of Phytophthora ramorum from Oregon Forests, 2001–2008 220 KB
Alan Kanaskie, Everett Hansen, Ellen Michaels Goheen, Nancy Osterbauer, Michael McWilliams, Jon Laine, Michael Thompson, Stacy Savona, Harvey Timeus, Bill Woosley, Wendy Sutton, Paul Reeser, Rick Shultz, and Dan Hilburn

Phytophthora ramorum and Phytophthora kernoviae in England and Wales—Public Consultation and New Programme 105 KB
Keith Walters, Claire Sansford, and David Slawson

Phytophthora Concerns

Some Challenges of Recognizing Invasive Phytophthoras and Finding Their Origins 37 KB
Everett Hansen

Spread of P. ramorum from Nurseries into Waterways—Implications for Pathogen Establishment in New Areas 243 KB
Gary Chastagner, Steven Oak, Daniel Omdal, Amy Ramsey-Kroll, Katie Coats, Yana Valachovic, Chris Lee, Jaesoon Hwang, Steven Jeffers, and Marianne Elliott

Emerging Phytophthora Species and Related Issues

Distribution and Severity of Alder Phytophthora in Alaska 695 KB
G.C. Adams, M. Catal, and L. Trummer

Detection of Possible Phytophthora pinifolia Infection in Pinus radiata Green Sawn Timber Produced in Chile 38 KB
R. Ahumada, C. Díaz, M. Peredo, C. Barría, P. González, and G. Cuevas

GSOB ≠ SOD: Tree Mortality from the Goldspotted Oak Borer in Oak Woodlands of Southern California 122 KB
Tom W. Coleman and Steven J. Seybold

Nurseries

A Systems Approach for Detecting Sources of Phytophthora Contamination in Nurseries 44 KB
Jennifer L. Parke, Niklaus Grünwald, Carrie Lewis, and Val Fieland

Detection of Phytophthora ramorum at Retail Nurseries in the Southeastern United States 25KB
Steven N. Jeffers, Jaesoon Hwang, Yeshi A. Wamishe, and Steven W. Oak

Within-Field Spread of Phytophthora ramorum on Rhododendron in Nursery Settings 22 KB
Kurt Heungens, Isabelle De Dobbelaere, Bjorn Gehesquière, Annelies Vercauteren, and Martine Maes

Importance of Rainfall and Sprinkler Irrigation in Supporting Sporulation, Spread of Inoculum in Runoff-Water, and New Infections of Phytophthora ramorum Under Field Conditions 17 KB
Steve Tjosvold, David Chambers, and Elizabeth Fichtner

A Test System to Quantify Inoculum in Runoff from Phytophthora ramorum-Infected Plant Roots 39 KB
Nina Shishkoff

Biology I

Persistence of Phytophthora ramorum and Phytophthora kernoviae in U.K. Natural Areas and Implications for North American Forests 14 KB
Elizabeth J. Fichtner, David M. Rizzo, Joan Webber, Susan A. Kirk, and Alistair Whybrow

Symptoms Associated with Inoculation of Stems on Living Douglas-fir and Grand Fir Trees with Phytophthora ramorum 15 KB
Gary Chastagner, Kathy Riley, Katie Coats, Marianne Elliott, Annie DeBauw, and Norm Dart

Effects of Phytophthora ramorum Infection on Hydraulic Conductivity and Tylosis Formation in Tanoak Sapwood 12 KB
Jennifer Parke, Bradley Collins, Barb Lachenbruch, and Everett Hansen

Virulence, Sporulation, and Elicitin Production in Three Clonal Lineages of Phytophthora ramorum 56 KB
Daniel Manter, Everett Hansen, and Jennifer Parke

California Bay Laurel Susceptibility to Phythophthora ramorum Depends Upon Season, Leaf Age, and Fungal Load 41 KB
Steve Johnston, Nathan Rank, Michael Cohen, and Ross Meentemeyer

Diagnostics and Mycology

ELISA and ImmunoStrip® for Detection of Phytophthora ramorum, P. kernoviae, and Other Phytophthora Species 15 KB
Francisco. J. Avila, Barbara Schoedel, Z. Gloria Abad, Michael D. Coffey, and Cheryl Blomquist

Mating of Phytophthora ramorum: Functionality and Consequences 62 KB
Xavier Boutet, Annelies Vercauteren, Kurt Heungens, and Anne Chandelier

Unstable Aneuploid Progenies of Phytophthora ramorum 21 KB
Annelies Vercauteren, Xavier Boutet, Anne Chandelier, Kurt Heungens, and Martine Maes

Genetics and Resistance

Tracking Populations and New Infections of Phytophthora ramorum in Southern Oregon Forests 69 KB
Jennifer Britt, Simone Prospero, Niklaus Grünwald, Alan Kanaskie, and Everett Hansen

Genetic Diversity of Phytophthora ramorum in Belgium 23 KB
Annelies Vercauteren, Isabelle De Dobbelaere, Martine Maes, and Kurt Heungens

An Update on Microsatellite Genotype Information of Phytophthora ramorum in Washington State Nurseries 14 KB
Katie Coats, Gary Chastagner, Norm Dart, Meg M. Larsen, and Niklaus J. Grunwald

Population Genetic Analysis Reveals Ancient Evolution and Recent Migration of P. ramorum 79 KB
Erica M. Goss, Meg Larsen, Ignazio Carbone, Donald R. Givens, Gary A. Chastagner, and Niklaus J.Grünwald

Predicting Risk

Predicting the Spread of Sudden Oak Death in California (2010–2030): Epidemic Outcomes Under No Control 12 KB
Ross K. Meentemeyer, Nik Cunniffe, Alex Cook, David M. Rizzo, and Chris A. Gilligan

Strategies for Control of Sudden Oak Death in Humboldt County—Informed Guidance Based on a Parameterized Epidemiological Model 21 KB
João A. N. Filipe, Richard C. Cobb, David M. Rizzo, Ross K. Meentemeyer, and Christopher A. Gilligan

Mapping the Risk of Sudden Oak Death in Oregon: Prioritizing Locations for Early Detection and Eradication 477 KB
Tomáš Václavík, Alan Kanaskie, Ellen Goheen, Janet Ohmann, Everett Hansen, and Ross Meentemeyer

Regulatory Considerations in Assessing the Potential for Phytophthora ramorum to Cause Environmental Impact to Ecozones Outside the West Coast “Fog Belt” in North America 32 KB
John McDonald, Gary Kristjansson, Stephen Miller, and Shane Sela

Development of a Pest Risk Analysis for Phytophthora ramorum for the European Union; the Key Deliverable from the EU-Funded Project RAPRA 273 KB
Claire Sansford, Alan Inman, and Joan Webber

Evidence of the Dynamic Response of Housing Values to a Sudden Oak Death Infestation 209 KB
Kent F. Kovacs, Thomas P. Holmes, Jeffrey E. Englin, and Janice Alexander

Biology II

Ancestral Seed Zones and Genetic Mixture of Tanoak 172 KB
Richard Dodd, Zara Rafii, and Wasima Mayer

Tanoak Resistance: Can it be Used to Sustain Populations? 34 KB
Katherine J. Hayden, Alex Lundquist, Douglas J. Schmidt, Richard A Sniezko, Susan J. Frankel, andMatteo Garbelotto

Relationship Between Resistance to Phytophthora ramorum and Constitutive Phenolic Chemistry in Coast Live Oaks and Northern Red Oaks 77 KB
Annemarie M. Nagle, Matteo Garbelotto, Brice McPherson, David L. Wood, and Pierluigi Bonello

Variation in Density and Diversity of Species of Phytophthora in Two Forest Stream Networks 291 KB
Jaesoon Hwang, Steven N. Jeffers, and Steven W. Oak

Biosecurity Protocols for Heritage Gardens 25 KB
Ian Wright and David Slawson

Susceptibility of Australian Plant Species to Phytophthora ramorum 27 KB
Kylie Ireland, Daniel Hüberli, Bernard Dell, Ian Smith, David Rizzo, and Giles Hardy

Long-Term Trends in Coast Live Oak and Tanoak Stands Affected by Phytophthora ramorum Canker (Sudden Oak Death) 80 KB
Tedmund J. Swiecki and Elizabeth Bernhardt

Impacts of Phytophthora ramorum on Oaks and Tanoaks in Marin County, California Forests Since 2000 24 KB
Brice A. McPherson, David L. Wood, Maggi Kelly, Sylvia R. Mori, Pavel Svihra, Andrew J. Storer, and Richard B. Standiford

Sudden Oak Death in Redwood Forests: Vegetation Dynamics in the Wake of Tanoak Decline 21 KB
Benjamin Ramage and Kevin O’Hara

Community and Individual Effects on SOD Intensification in California Redwood Forests: Implications for Tanoak Persistence 20 KB
Richard C. Cobb, Joao A. N. Filipe, Ross K. Meentemeyer, Chris A. Gilligan, Shannon C. Lynch, and David M. Rizzo

Management/Treatment

Efficacy of Commercial Algaecides to Manage Species of Phytophthora in Suburban Waterways 62 KB
G. Curtis Colburn and Steven N. Jeffers

Aerial Application of Agri-Fos® to Prevent Sudden Oak Death in Oregon Tanoak Forests 36 KB
Alan Kanaskie, Everett Hansen, Wendy Sutton, Paul Reeser, and Carolyn Choquette

Eradication Effectiveness Monitoring in Oregon Tanoak Forests 21 KB
Ellen Michaels Goheen, Alan Kanaskie, Everett Hansen, Wendy Sutton, Paul Reeser and Nancy Osterbauer

Assessing Methods to Protect Susceptible Oak and Tanoak Stands from Sudden Oak Death 22 KB
Tedmund J. Swiecki and Elizabeth Bernhardt

Forest Treatment Strategies for Phytophthora ramorum 64 KB
Yana Valachovic, Chris Lee, Jack Marshall, and Hugh Scanlon

Fire and Social Impacts

Effects of Sudden Oak Death on the Crown Fire Ignition Potential of Tanoak (Lithocarpus densiflorus) 161 KB
Howard Kuljian and J. Morgan Varner

Interacting Disturbances: Did Sudden Oak Death Mortality in Big Sur Worsen the Impacts of the 2008 Basin Complex Wildfire? 65 KB
Margaret Metz, Kerri Frangioso, Ross Meentemeyer, and David Rizzo

Understanding the Long-Term Fire Risks in Forests Affected by Sudden Oak Death 220 KB
Yana Valachovic, Chris Lee, Radoslaw Glebocki, Hugh Scanlon, J. Morgan Varner, and David Rizzo

Sudden Oak Death Mortality and Fire: Lessons from the Basin Complex 63 KB
Chris Lee, Yana Valachovic, Susan Frankel, and Katie Palmieri

The Social Impacts of Sudden Oak Death and Other Forest Diseases: A Panel Discussion 10 KB
Janice Alexander and Chris Lee

Posters

Poster Abstracts 1.1 MB

Citation

Frankel, Susan J.; Kliejunas, John T.; Palmieri, Katharine M.  2010.  Proceedings of the Sudden Oak Death Fourth Science Symposium.   Gen. Tech. Rep. PSW-GTR-229. Albany, CA: U.S. Department of Agriculture, Forest Service, Pacific Southwest Research Station. 378 p.