Phytosphere Research

Phytophora ramorum canker on oak and tanoak

 

Also see the California Oak Mortality Task Force website suddenoakdeath.org for current information from other sources.

Videos

Visualizing Sudden Oak Death, Part 1: Disease progress in highly susceptible coast live oaks
Visualizing Sudden Oak Death, Part 2: Slow decline in coast live oak - intermediate resistance
Visualizing Sudden Oak Death, Part 3: Resistant reactions in coast live oak
Visualizing Sudden Oak Death, Part 4: Disease progression in tanoaks

Management of Phytophthora ramorum

Understanding and Managing Sudden Oak Death in California - website

Swiecki, Tedmund J.; Bernhardt, Elizabeth A. 2013. A reference manual for managing sudden oak death in California. Gen. Tech. Rep. PSW-GTR-242. Albany, CA: U.S. Department of Agriculture, Forest Service, Pacific Southwest Research Station. 129 p.

Management of Phytophthora ramorum in tanoak and oak stands - Funding provided by USDA-Forest Service, Pacific Southwest Research Station

Project final report:

Management of Phytophthora ramorum in tanoak and oak stands: Final report, June 2013 (PDF)

Sudden Oak Death Management and Monitoring in the Bay Area - Funding provided by USDA-Forest Service, State and Private Forestry, Forest Health Protection and Midpeninsula Regional Open Space District

Project progress reports:

Sudden Oak Death Management and Monitoring in the Bay Area - Progress report Aug-Dec 2011 (PDF)
Sudden Oak Death Management and Monitoring in the Bay Area - Progress report Jan-May 2011 (PDF)
Sudden Oak Death Management and Monitoring in the Bay Area - Progress report June-Dec 2010 (PDF)
Fourth SOD Science Symposium: Assessing Methods to Protect Susceptible Oak and Tanoak Stands from Sudden Oak Death

Disease risk, progress and distribution

Marin / Sonoma / Napa permanent study plots, initiated September 2000

Fourth SOD Science Symposium: Long-term trends in coast live oak and tanoak stands affected by Phytophthora ramorum canker (sudden oak death)
Phytophthora ramorum canker (sudden oak death) in coast live oak and tanoak, 2000-2007: factors affecting disease risk, disease progression, and failure potential - 2007-2008 Contract Year Annual Report
Phytophthora ramorum canker (sudden oak death) in coast live oak and tanoak, 2000-2006: factors affecting disease risk, disease progression, and failure potential - 2006-2007 Contract Year Annual Report
Influence of local California bay distribution on the risk of Phytophthora ramorum canker (sudden oak death) in coast live oak
Increasing distance from California bay reduces the risk and severity of Phytophthora ramorum canker in coast live oak. (SOD Symposium III paper)
Phytophthora ramorum canker (sudden oak death) in coast live oak and tanoak, 2000-2005: factors affecting disease risk, disease progression, and failure potential - 2005-2006 Contract Year Annual Report
Phytophthora ramorum canker (sudden oak death) in coast live oak and tanoak, 2000-2004: factors affecting disease risk, disease progression, and failure potential - 2004-2005 Contract Year Annual Report
Phytophthora ramorum canker: (sudden oak death) in coast live oak and tanoak: factors affecting disease risk, disease progression, and failure potential (2003-2004 annual report).
Phytophthora ramorum canker: Factors affecting disease progression and failure potential (2002-2003 annual report).
Factors related to Phytophthora canker (sudden oak death) disease risk and disease progress in coast live oak and tanoak
Evaluation of stem water potential and other tree and stand variables as risk factors for Phytophthora ramorum canker development in coast live oak and tanoak (Full report, March 28, 2001)
Evaluation of Stem Water Potential and Other Tree and Stand Variables as Risk Factors for Phytophthora ramorum Canker Development in Coast Live Oak (Oak Symposium paper, 2002)

Sonoma County permanent study plots, initiated 2001

2004 Resurvey of permanent plots for monitoring Phytophthora ramorum canker (sudden oak death) in Sonoma County
Evaluating and monitoring effects of Phytophthora ramorum canker (sudden oak death) in Sonoma County woodlands and forests

Tree failure in SOD-affected trees

Relationships between Phytophthora ramorum canker (sudden oak death) and failure potential in coast live oak

see also:

Phytophthora ramorum canker (sudden oak death) in coast live oak and tanoak, 2000-2007: factors affecting disease risk, disease progression, and failure potential - 2007-2008 Contract Year Annual Report
Phytophthora ramorum canker (sudden oak death) in coast live oak and tanoak, 2000-2006: factors affecting disease risk, disease progression, and failure potential - 2006-2007 Contract Year Annual Report
Phytophthora ramorum canker (sudden oak death) in coast live oak and tanoak, 2000-2005: factors affecting disease risk, disease progression, and failure potential - 2005-2006 Contract Year Annual Report
Phytophthora ramorum canker (sudden oak death) in coast live oak and tanoak, 2000-2004: factors affecting disease risk, disease progression, and failure potential - 2004-2005 Contract Year Annual Report
Phytophthora ramorum canker: (sudden oak death) in coast live oak and tanoak: factors affecting disease risk, disease progression, and failure potential (2003-2004 annual report).
Phytophthora ramorum canker: Factors affecting disease progression and failure potential (2002-2003 annual report)

Other Historical Documents

Observations and Comments on Oak and Tanoak Dieback and Mortality in California 11/2001 (early report on initial observations)

SOD research conducted by Phythosphere research has been funded in part by the Forest Health Protection program, State and Private Forestry branch of the US Forest Service, an agency of the US Department of Agriculture and by the Pacific Southwest Research Station, US Forest Service.
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