Second Science Symposium

General Agenda (invited speakers, subject to confirmation)

January 18
8 to 5 – affiliated meetings to be scheduled
2 to 5 – early registration
5 to 8 -- Symposium opening reception, icebreaker (included)

January 19
7:30 to 9 Breakfast Buffet (provided)
9 to 9:15 – Welcome, Symposium Objectives – Pat Shea, PSW and Rick Standiford, UC
9:15 to 10:15 – Keynote Speakers – Garland Mason, PSW Moderator
Congresswoman Lynn Woolsey, US Congress, 6th Congressional District
Dr. Jimmy Reaves, USDA Forest Service, Washington, DC
10:15 to 10:45 – Break
10:45 to 12:00 – Panel Discussion – The California SOD Program – Garland Mason, PSW, Moderator Rick Standiford, UC; Pat Shea, USDA Forest Service; Mark Stanley, COMTF
12:00 – 1:30 – Lunch (provided)
1:30 – 2:50 – General Presentation – Overview of Biology of Sudden Oak Death – Pat Shea, Moderator
Dave Rizzo, UC Davis – Phytophthora ramorum epidemiology, incidence
Matteo Garbelotto, UC Berkeley– Genetics and detection of SOD
Everett Hansen, , Oregon State University – SOD in the Pacific NW
Clive Brasier, Forest Research Agency, Alice Holt Lodge, Farnham,
Surrey, UK – SOD in the EU
2:50 – 3:20 – Break
3:20 – 5:00 – Panel on SOD in Nurseries and Regulatory Arena – Susan Frankel, USDA Forest Service, Moderator
Janice Alexander, UCCE Marin County, COMTF - Chronology of
P. ramorum
in nurseries and gardens in Europe and the USA and
implementation of quarantine regulations,
Jerry Turney, Los Angeles County Department of Agriculture -
Spring 2004 Southern California P. ramorum nursery infestations,
Karen Suslow, Hines, Horticulture, Inc, Winters, CA - P. ramorum’s
impacts and challenges for the Nursery Industry
Jonathan Jones.USDA-APHIS, Riverdale, MD - US regulations
Philip Berger, USDA-APHIS, Center for Plant Health Science and
Technology, Raleigh, NC - Update on diagnostics for
P. ramorum
Stephen Hunter, Department for Environment, Food and Rural
Affairs, York, UK - An overview of European/UK P. ramorum

Dinner on own

January 20
7 - 8 – Breakfast Buffet (provided)
8 - 10 – Concurrent session 1
Session 1A -- Biology (Fungal Diversity and Ecology; Hosts)
Session 1B -- Genetics (Hosts and Pathogen); Molecular Biology
10 - 10:30 – Break
10:30 - 12:15 - Concurrent session 1 (continued)
Session 1A (cont.) -- Biology (Hosts, Infection and Epidemiology)
Session 1B (cont.) -- Molecular Biology
12:15 - 1:30 - lunch (provided)
1:30 - 3 – Concurrent session 2
Session 2A -- Biology (Infection and Epidemiology); Ecology (Ecosystems)
Session 2B -- Management (treatment. nurseries)
3 - 3:30 – Break
3:30 – 5:30 – Concurrent session 2 (continued)
Session 2A (cont.) -- Ecology (Ecosystems, wildlife relations)
Session 2B (cont.) -- Management (treatment. nurseries)
6:00 - 8:30 -- reception and poster session (provided)

January 21
7 - 8 – Breakfast Buffet (included)
8 - 11 Concurrent sessions 3
Session 3A -- Ecology (wildlife); Monitoring
Session 3B -- Management (Nurseries, disposal, insects)
11 – 11:30 Break
11:30 – 1:00 Closing Session -- Summary/wrap-up keynote speaker – Terry Shaw, USDA Forest Service Concluding remarks, comments

January 20 – 8:00 – 12:15 – Concurrent Session 1


Session 1ABiology (Fungal Diversity and Ecology; Hosts)
Chair: Barbara Allen-Diaz, UC Berkeley College of Natural Resources

Session 1BGenetics (Hosts and Pathogen); Molecular Biology
Chair: Michael Haverty, USDA Forest Service, Pacific Southwest Research Station, Albany, CA

8:00 AM

1. Balci, Y.; West Virginia University; Phytophthora species associated with forest soils in central and eastern U.S. oak ecosystems [PDF] [HTML]

2. Beals, Kathryn; UC Berkeley; Does stand density affect mating system and population genetic structure in coast live oak (Quercus agrifolia)? [PDF] [HTML]


3. Bergemann, Sarah; UC Berkeley; The effects of girdling on the ectomycorrhizal fungal community associated with tanoak (Lithocarpus densiflorus) [PDF] [HTML]

4. Dodd, Richard S; UC Berkeley; Genetic hitch-hiking extends the range of coast live oak [PDF] [HTML]


5. Hansen, EM; Oregon State University; Phytophthora species from oak and tanoak forests in California and Oregon [PDF] [HTML]

6. Dodd, Richard S; UC Berkeley; Seasonal trends in response to inoculation of coast live oak with Phytophthora ramorum [PDF] [HTML]


7. Manter, Daniel K; USDA Forest Service, PSW Research Station; Isolation and Characterization of Phytotoxins Secreted by Phytophthora ramorum [PDF] [HTML]

8. Garbelotto, Matteo; UC Berkeley; Potential for sexual reproduction of Phytophthora ramorum in Washington state nurseries [PDF] [HTML]


9. Murphy, Shannon K.; UC Davis; Incidence of Phytophthora ramorum, P. nemorosa and P. pseudosyringae in Three Coastal California Forest Communities [PDF] [HTML]

10. Huberli, Daniel; UC Berkeley; Phenotypic variation among Phytophthora ramorum isolates from California and Oregon [PDF] [HTML]


11. Wickland, Allison C.; UC Davis; Ecology of Phytophthora nemorosa and P. pseudosyringae in mixed evergreen forests [HTML] [PDF]

12. Bonants, Peter; Plant Research International; Molecular Identification and Detection of Phytophthora ramorum. [PDF] [HTML]


13. Chastagner, GA; Washington State University; Susceptibility of conifer shoots to infection by Phytophthora ramorum [PDF] [HTML]

14. Bilodeau, GJ; Canadian Forest Service; Molecular Detection of Phytophthora ramorum by Real-Time PCR Using Taqman, SYBR Green and Molecular Beacons with three genes [PDF] [HTML]


15. DeDobbelaere, Isabelle; Flemish Agricultural Research Institute; Susceptibility levels of Rhododendron species and hybrids to Phytophthora ramorum [PDF] [HTML]

16. Hansen, EM; Oregon State University; Using Single Strand Conformational Polymorphisms (SSCP) to Identify Phytophthora Species in Oregon Forests Affected by Sudden Oak Death [PDF] [HTML]

10:00 – 10:30 – Break


Session 1A (cont.) Biology (Hosts, Infection and Epidemiology)

Session 1B (cont.) Molecular Biology


17. Grunwald, Niklaus; USDA ARS; Variation in phenotype for resistance to Phytophthora ramorum in a range of species and cultivars of the genus Viburnum [PDF] [HTML]

18. Hughes, Kelvin; Plant Health Group, Central Science Laboratory; Application of rapid on-site PCR (TaqMan®) for Phytophthora ramorum under US conditions [PDF] [HTML]


19. Meshriy, Matthew; UC Berkeley; Variation in Susceptibility of Umbellularia californica (bay laurel) to Phytophthora ramorum [PDF] [HTML]

20. Ivors, Kelly L.; North Carolina State University; Use of Microsatellite Markers Derived from Whole Genome Sequence Data for Identifying Polymorphism in Phytophthora ramorum [PDF] [HTML]


21. Florance, Edwin R; Lewis & Clark College; Magnetic Resonance Imaging (MRI) of Oak Trees Infected with Phytophthora ramorum to Determine Potential Avenues of Infection in Bark [PDF] [HTML]

22. Kong, Ping; Virginia Polytechnic Institute and State University; Single-Strand Conformation Polymorphism Analysis of Ribosomal DNA Detection of Phytophthora ramorum Directly from Plant Tissues [PDF] [HTML]


23. Brasier, Clive; Forest Research Agency, U.K.; Adaptive differences between Phytophthora ramorum isolates from Europe and North America: evidence for separate subspecies? [PDF] [HTML]

24. Linzer, Rachel; UC Berkeley; AFLP Analysis of Phytophthora nemorosa and P. pseudosyringae Genetic Structure in North America [PDF] [HTML]


25. Brown, Anna; Forest Research Agency; U.K.; Distribution and etiology of aerial stem infections of P. ramorum and P. taxon C at two woodland sites in the UK [PDF] [HTML]

26. Martin, FN; USDA-ARS; Molecular Markers for Identification of P. ramorum and other Phytophthora spp. From Diseased Tissue [PDF] [HTML]


27. Brasier, Clive; Forest Research Agency, U.K.; Comparative host range and aggressiveness of Phytophthora ramorum and Phytophthora taxon C on North American and European trees [PDF] [HTML]

28. Doyle, Sharon; DOE Joint Genome Institute; Development of DNA Aptamers for Field Detection of Phytophthora ramorum [PDF] [HTML]


29. Goheen, E; USDA Forest Service; The Search for the Origin of Phytophthora ramorum: A First Look in Yunnan Province, People's Republic of China [PDF] [HTML]

30. Tyler, Brett; Virginia Polytechnic Institute and State University; Genome Sequence of Phytophthora ramorum: Implications for Management [PDF] [HTML]

12:15 – 1:30 – Lunch


Session 2A Biology (Infection and Epidemiology); Ecology(Ecosystems)
Chair: Steve Jones, California Department of Forestry and Fire Protection, Sacramento CA

Session 2BManagement (treatment. nurseries)
Chair: Don Owens, California Department of Forestry and Fire Protection, Redding, CA

1:30 PM

31. Cushman, J. Hall; Sonoma State University; The Role of Humans in the Dispersal and Spread of Phytophthora ramorum [PDF] [HTML]

32. Chastagner, GA; Washington State University; Effectiveness of fungicides in protecting Douglas-fir shoots from infection by Phytophthora ramorum [PDF] [HTML]


33. Fichtner, Elizabeth J; UC Davis; Summer Survival of Phytophthora Ramorum in Forest Soils [PDF] [HTML]

34. Huengens, Kurt; Flemish Agricultural Research Institute; Fungicide Control of Phytophthora ramorum on Rhododendron [PDF] [HTML]


35. Turner, Judith; Env. Biology Group, York, UK; Monitoring of Natural Outbreaks of P. ramorum in the UK [PDF] [HTML]

36. Kanaskie, A; Oregon Department of Forestry; Effects of Phosphonate Treatments on the Growth of Phytophthora ramorum in Tanoak Stems [PDF] [HTML]


37. Moritz, Max; UC Berkeley; Examining the strength and possible causes for the relationship between fire history and Sudden Oak Death [PDF] [HTML]

38. Schmidt, DJ; UC Berkeley; Effect of Phosphonate Treatments on Sudden Oak Death in Tanoak and Shreve's Oak [PDF] [HTML]


39. Brown, Letty; UC Berkeley; Forecasting the future of coast live oak forests in the face of SOD [PDF] [HTML]

40. Linderman, RG; USDA-ARS; Evaluation of Chemical and Biological Agents for Control of Phytophthora species on Intact Plants or Detached Rhododendron Leaves [PDF] [HTML]


41. Klinger, Lee; Independent Scientist; Etiology and Evidence of Systemic Acidification in SOD-Affected Forests of California [PDF] [HTML]

42. Tjosvold, Steve A; UCCE, Santa Cruz County; Evaluation of Fungicides for the Control of Phytophthora ramorum Infecting Rhododendron, Camellia, Viburnum and Pieris [PDF] [HTML]

3:00 – 3:30 – Break


Session 2A (cont.) Ecology (Ecosystems, wildlife relations)

Session 2B (cont.) Management (treatment. nurseries)


43. Moralejo, Eduardo; Institut Mediterrani d'Estudis Avancats; Progress Report on the Evaluation of the Susceptibility of The Holm Oak (Quercus Ilex) Forest Ecosystem to Phytophthora Ramorum [PDF] [HTML]

44. Turner, Judith; Env. Biology Group, York, UK; Chemical control of Phytophthora ramorum causing foliar disease in hardy nursery stock [PDF] [HTML]


45. Spencer, Mark; UC Berkeley; A Spatial Analysis of Phytophthora ramorum Symptom Spread Using
Second-order Point Pattern and GIS Based Analyses [PDF] [HTML]

46. McPherson, Brice; UC Berkeley;
Can Insecticides Prolong Survival of Oaks Infected by Phytophthora ramorum? [PDF] [HTML]


47. Waring, Kristen; UC Berkeley; Residual Tree Response to Tanoak Decline due to Phytophthora ramorum [PDF] [HTML]

48. Aveskamp, MM; Plant Protection Service; Effect of sanitary measures on the survival of P. ramorum in soil [PDF] [HTML]


49. Apigian, Kyle; UC Berkeley; SOD-Induced Changes in Foraging and Nesting Behavior of Insectivorous, Cavity-Nesting Birds.. [PDF] [HTML]

50. Randall-Schadel, Betsy; USDA APHIS; Thwarting Phytophthora ramorum: A Proposed Disease Cycle with Mitigation Measures [PDF] [HTML]


51. Hadj-Chikh, Leila; Wildlife Conservation Society; Longitudinal Patterns of Tanoak Acorn Production in Infested and Uninfested Stands in Big Sur, CA, with Insights from Girdled Tanoaks [PDF] [HTML]

52. Kaminski, Katrin; Federal Biological Research Centre for Agriculture and Forestry; Introduction of filtration systems in container nurseries for Non-Chemical elimination of Phytophthora spp. From Irrigation Water [PDF] [HTML]


53. Monahan, Bill; UC Berkeley; Potential Effects of SOD on Bird Species Diversity [PDF] [HTML]

54. Parke, Jennifer L; Oregon State University; Phytophthora ramorum Disease Transmission from Infested Potting Media [PDF] [HTML]


55. Tietje, William; UC Berkeley; A Comparison of Climate, Physical Factors, Vegetative Structure, and Vertebrates of SOD High-Risk Coast Live Oak Woodlands vs. Low-Risk Blue Oak Woodlands in San Luis Obispo County, California [PDF] [HTML]

56. Lewis, Carrie D; Oregon State University; Pathways of Infection for Phytophthora ramorum [PDF] [HTML]


57. Tempel, Douglas J.; UC Berkeley; Potential Effects of Sudden Oak Death on the Small Mammal and Herpetofaunal Communities in San Luis Obispo County Coast Live Oak (Quercus agrifolia) Woodlands [PDF] [HTML]

58. Linderman; USDA-ARS; Survival of Phytophthora ramorum Compared to Other Phytophthora Species in Potting Media Components or Soils [PDF] [HTML]

Poster Session: January 20 – 5:30 – 9:00 pm

January 21 – 8:00 – 12:15 – Concurrent Session 3


Session 3A Ecology (wildlife); Monitoring
Chair: Doug McCreary, UC Berkeley Integrated Hardwood Range Management Program

Session 3B Management (Nurseries, disposal, insects)
Chair: Stacy Carlson, Marin County Agricultural Commissioner

8:00 AM

59. Winslow, Donald; UC Berkeley; Potential Effects of an Emerging Tree Disease on an Avifauna: Sudden Oak Death (Phytophthora ramorum) in Coast Live Oak (Quercus agrifolia) Forests in California [PDF] [HTML]

60. McPherson, Brice; UC Berkeley; The Response of Saprotrophic Beetles to Coast Live Oaks Infected with Phytophthora ramorum [PDF] [HTML]


61. Fowler, Glenn; USDA – APHIS; Climate Host Mapping of Phytophthora ramorum causal agent of Sudden Oak Death [PDF] [HTML]

62. Ockels, Frances E; Ohio State University; Chemical ecology of sudden oak death/ambrosia beetle interactions [PDF] [HTML]


63. Kelly, Maggi; UC Berkeley; Modeling Risk for SOD Nationwide: What are the Effects of Model Choice on Rise Prediction?

64. Swiecki, Ted; Phytosphere Research; Relationships Between Phytophthora ramorum Canker (Sudden Oak Death) and Failure Potential in Coast Live Oak [PDF] [HTML]


65. Mai, Jeff; USDA Forest Service; Aerial and Ground Surveys for Mapping and Monitoring the Distribution of Phytophthora ramorum [PDF] [HTML]

66. Slawson, David; Plant Health and Seeds Inspectorate Department of Environment, Food and Rural Affairs; The Current Situation with Phytophthora ramorum in England and Wales [PDF] [HTML]


67. Meentemeyer, Ross; Sonoma State University; Early Detection Monitoring of Phytophthora ramorum in High-Risk Forests of California [PDF] [HTML]

68. Tjosvold, Steve A; UCCE, Santa Cruz County; Epidemiology of Phytophthora ramorum Infecting Rhododendrons under Simulated Nursery Conditions [PDF] [HTML]


69. Oak, Steven; USDA Forest Service, Southern Region Forest Health Protection; Phytophthora ramorum Detection Surveys for Forests in the United States [PDF] [HTML]

70. Frankel, Susan J.; USDA Forest Service; Converting biology into regulations: U.S. Phytophthora ramorum quarantine as a case study [PDF] [HTML]


71. Steeghs, MHCG; Plant Protection Service; Phytophthora ramorum, Experience and Approach in the Netherlands [PDF] {HTML]

72. Gilless, J.K.; UC Berkeley; Who pays for Sudden Oak Death? An econometric investigation of the impact of an emerging pathogen on California nurseries [PDF] [HTML}


73. Barrett, Tara; USFS PNW Research Station; Pre-epidemic mortality rates for common California tree species that are hosts to Phytophthora ramorum [PDF] [HTML]

74. Shelly, John; UCCE, Richmond Field Station; Understanding the Disposal and Utilization Options for Wood Infected by Sudden Oak Death [PDF] [HTML]


75. McPherson, Brice; UC Berkeley; Sudden Oak Death Disease Progression in Oaks and Tanoaks [PDF] [HTML]

76. Swain, Steven; UC Berkeley; Potential for Re-Infection of Finished Compost by Phytophthora ramorum [PDF] [HTML]


77. Swiecki, Ted; Phytosphere Research; Phytophthora ramorum Canker (Sudden Oak Death) in Coast Live Oak and Tanoak: Factors Affecting Disease Risk, Disease Progression, and Failure Potential [PDF] [HTML]

78. Lee Klinger, Independent Scientist; Ecological Evidence of Intensive Cultivation of Oaks by California Indians: Implications for the Treatment of Sudden Oak Death [PDF] [HTML]


79. Goheen, E; USDA Forest Service; Surveying and Monitoring Sudden Oak Death in Southwest Oregon Forests [PDF] [HTML]

80. Kanaskie, A; Oregon Department of Forestry; Eradication of Phytophthora ramorum from Oregon Tanoak Forests - Status after Three Years [PDF] [HTML]




10:45 – 11:15 – Break

11:15 – 12:30 – Closing Session – Plenary Session

Poster Session: January 20 - 6:00 - 9:00 pm




1. Appel, DN

Texas A & M

Trace Forward, Perimeter, and National Nursery Surveys for Sudden Oak Death in Texas [PDF] [HTML]

2. Apigian, Kyle

UC Berkeley

Small mammal and herpetofauna abundance and diversity along a gradient of Sudden Oak Death infection. [PDF] [HTML]

3. Bienapfl, JC

UC Davis

Pacific yew as host for Phytophthora ramorum in California forests [PDF] [HTML]

4. Briere, Stephan C

Canadian Food Inspection Agency

First report of Pyracantha koidzumii as a new host for Sudden Oak Death caused by Phytophthora ramorum [PDF] [HTML]

5. Cohen, Susan D


Predicting the potential for establishment of Phytophthora ramorum in the oak forests of the North Central states in the USA [PDF] [HTML]

6. Davidson, Jennifer M

University of Hawaii

Mechanisms underlying differences in Inoculum Production by Phytophthora ramorum in mined-evergreen versus tanoak-redwood forests in California [PDF] {HTML]

7. Fichtner, Elizabeth J

UC Berkeley

Detection and Distribution of Phytophthora ramorum in Redwood-Tanoak Forest Community Soils [PDF] [HTML]

8. Forrester, Yashika


Modeling the effectiveness of Federal Domestic Regulations on P. ramorum [PDF] [HTML]

9. Frankel, Susan J. #1

USDA Forest Service

A case study to evaluate ground-based, wildland survey methods for Phytophthora ramorum (cause of Sudden Oak Death) in Coast Live Oak (Quercus agrifolia) stands in California [PDF] [HTML]

10. Frankel, Susan J. #2

USDA Forest Service

Addressing Phytophthora ramorum in California: The USDA-Forest Service, Pacific Southwest Region and California Department of Forestry and Fire Protection Programs [PDF] [HTML]

11. Geltz, Elizabeth

University of San Diego

Examinations of Phytophthora ramorum Infection in Camellia [PDF] [HTML]

12. Goheen, E

USDA Forest Service

Applications of Fungicides to Protect Four Hosts from Foliar Infection by Phytophthora ramorum in Curry County, Oregon [PDF] [HTML]

13. Gordon, Sarah

Sonoma State University

Amplified Fragment Length Polymorphism Assessment of Population Diversity in California Bay (Umbellularia californica) [PDF] [HTML]

14. Hansen, EM #3

Oregon State University

Persistence of Phytophthora ramorum after eradication efforts in Oregon Tanoak Forests [PDF] [HTML]

15. Harnik, Tamar Y

UC Berkeley

Effect of Chemicals on Hyphal Growth, Sporangia production and Zoospore Germination of Phytophthora ramorum [PDF] [HTML]

16. Hayden, Katherine

UC Berkeley

Quantatative Resistance to Phytophthora ramorum in tanoak [PDF] [HTML]

17. Jensen, Camille

UC Davis

Distribution and pathogenicity of P. nemorosa and P. pseudosyringae in California’s coastal forests [PDF] [HTML}

18. Kaminski, Katrin #1

Federal Biological Research Centre for Agriculture and Forestry

Inoculation trails with Phytophthora ramorum on moorland species [PDF] [HTML]

19. Kaminski, Katrin #2

Federal Biological Research Centre for Agriculture and Forestry

Infectivity and survival of P. ramorum in recirculation water of nurseries [PDF] [HTML]

20. Kordesch, Nicholas

UC Berkeley

Ectomycorrhizal Diversity Associated with Tanoaks (Lithocarpus densiflorus) [PDF] [HTML]

21. Maloney, PE

UC Davis

Epidemiological Aspects of Phytophthora ramorum in Redwood Forests of California's Coast Range: A Three Year Study

22. McDowell, Robert


Sensitivity and Specificity of Inspection and Testing Procedures for P. Ramorum on Nursery Stock [PDF] [HTML]

23. McLaughlin

Oregon State University

Survival of Phytophthora ramorum in Tanoak and Rhododendron Leaves [PDF] [HTML]

24. Moralejo, Eduardo

Institut Mediterrani d'Estudis Avancats

Multihyphal Structures formed by Phytophthora ramorum on Inoculated Leaves of Mediterranean Shrubs [PDF] [HTML]

25. Murphy, Shannon K.

UC Davis

Monitoring Phytophthora ramorum distribution in streams within coastal California watersheds [PDF] [HTML]

26. Ockels, Frances E #1

Ohio State University

Monitoring of Phytophthora ramorum in the North Central United States [PDF] [HTML]

27. Olarte, Rodrigo

UC Berkeley

Genotyping Phytophthora ramorum isolates from U.S. Nurseries Using PC-RFLP and Microsatellite Analyses [PDF] [HTML]

28. Osterbauer, N

Oregon Department of Agriculture

Surveying for Phytophthora Ramorum in Urban and Wild Forests throughout Western Oregon [PDF] [HTML]

29. Parke, Jennifer L

Oregon State University

Detached Leaf Assays with Phytophthora ramorum: Are They Valid? [PDF] [HTML]

30. Prospero, S

Oregon State University

Genetic Uniformity of Phytophthora Ramorum in North American Forests Revealed by Microsatellite Markers [PDF] [HTML]

31. Scheuerell, Steven J

Oregon State University

Nursery Cultural Practices and Physiological State of Nursery Stock on Susceptibility to Phytophthora species, including P. ramorum [PDF] [HTML]

32. Schinsing, Lilly

UC Berkeley

Environmental Limits to Infection by Phytophthora ramorum in tanoak and California bay laurel [PDF] [HTML]

33. Shelly, John

UCCE, Richmond Field Station

Evaluating the Survival of Phytophthora ramorum in Firewood [PDF] [HTML]

34. Spaine, Pauline

USDA Forest Service

Development of Survey and Detection Methods for Phytophthora ramorum in Georgia [PDF] [HTML]

35. Thut, Peter

Dominican University of California

SOD Bike Tire Scrubber [PDF] [HTML]

36. Cancelled



37. Valachovic, Yana

UCCE, Humboldt County

Phytophthora ramorum Research, Control, and Education in North Coastal California [PDF] [HTML]

38. Werres, Sabine

Institute for Plant Protection in Horticulture

Characterisation of European and American Phytophthora ramorum isolates due to their morphology and mating behaviour in vitro with heterothallic Phytophthora species [PDF] [HTML]

39. Woodward, Jean L

University of Georgia

Surveying for Phytophthora ramorum in Ornamental Nurseries, Home Landscapes, and Forests in Georgia, USA [PDF] [HTML]

40. McPherson, Brice University of California, Berkeley Plotless Evaluation of Phytophthora ramorum Incidence in Oaks and Tanoaks in Two Different Forest Types in California [PDF] [HTML]
41.Randall-Schadel, Betsy Plant Epidemiology and Risk Analysis Laboratory, USDA-APHIS-PPQ-CPHST Thwarting Phytophthora ramorum: An Interactive Poster on Breaking the Disease Cycle. [PDF] [HTML]
42.Orlikowski, Leszek Res. Institute of Pomology & Floriculture Phytophthora ramorum on Calluna vulgaris, Photinia fraseri and Pieris japonica in Poland [PDF] [HTML]
43. Hughes, Kelvin Plant Health Group, Central Science Laboratory (CSL) Comparative evaluation of real-time PCR (TaqMan®) with isolation for diagnosis of Phytophthora ramorum. [PDF] [HTML]

44. Hughes, Kelvin

Plant Heath Group, Central Science Laboratory (CSL)

Development of molecular diagnostics for Phytophthora taxon C a new Phytophthora threatening UK trees, woodlands and ornamental plants. [PDF] [HTML]

45.Willem A. Man in ’t Veld Plant Protection Service Isozyme genotyping of Phytophthora ramorum reveals fixed heterozygosity at three loci suggesting a hybrid origin [PDF] [HTML]
46. William Tietje University of California, Berkeley The Effects of SOD on Wildlife – Can Anything be Learned from the American Chestnut Blight? [PDF] [HTML]
47. Aveskamp, M.M. Plant Protection Service Elimination of Phytophthora ramorum in the Tunnel-Composting Process [PDF] [HTML]

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Coordinated by:
USDA Forest Service Pacific Southwest Research Station
University of California Integrated Hardwood Range Management Program,
Center for Forestry, Division of Agriculture and Natural Resources, and
California Oak Mortality Task Force
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