Managing pests and diseases in California native plants

California native oaks

Diseases and pests of California oaks - General

A Field Guide to Insects and Diseases of California Oaks - released 10/06

The California Oak Disease and Arthropod (CODA) database online version

Publication on the California oak disease and arthropod (CODA) database

A Delicate Balance: Impacts of Diseases and Insects on the Health of California Oaks 12/2002 update

Phytophthora ramorum canker on oak and tanoak (sudden oak death)

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

Management of Phytophthora ramorum

Management of Phytophthora ramorum in tanoak and oak stands - update of ongoing research

Management of Phytophthora ramorum in tanoak and oak stands: Progress report 3, Dec 2007 (PDF)

 

 

Phytophthora ramorum: Reports and papers on disease risk, progress and distribution

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

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 (posted 3/08)

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, 2000-2006: 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 SOD resources

Slideshow - Recent tanoak mortality due to sudden oak death (Phytophthora ramorum) in northwestern Sonoma County, CA - 5/16/2005

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

Ione manzanita

 

Distribution of Phytophthora cinnamomi within the range of Ione manzanita (Arctostaphylos myrtifolia) (posted 9/2005)

Diseases threaten the survival of Ione manzanita (Arctostaphylos myrtifolia)

Tree ordinances and urban forest management

Guidelines for developing and evaluating tree ordinances (main site)
Guidelines for developing and evaluating tree ordinances (mirror site)

Oak and oak woodland protection ordinances

Yolo County Oak Woodland Conservation and Enhancement Plan

Planning for the Future of Rocklin's Urban Forest
(Urban Forest Plan for the City of Rocklin, CA)

Vacaville Tree Foundation website

Restoring and managing native plant communities

California oak woodlands

Guide to growing California oaks

Restoring oak woodlands in California: theory and practice

Effects of cattle grazing on survival and growth of valley oak seedlings

Factors affecting blue oak sapling recruitment and regeneration (now available online)

Understanding blue oak (Quercus douglasii) regeneration

Effects of fire on naturally-occurring blue oak (Quercus douglasii) saplings

Native grassland / vernal pool ecosystems

Effects of grazing on upland vegetation at Jepson Prairie Preserve, Solano County, CA
Third year (2007) results and final report

Effects of grazing on upland vegetation at Jepson Prairie Preserve, Solano County, CA
Progress report 2:  second year (2006) results

Effects of grazing on upland vegetation at Jepson Prairie Preserve, Solano County, CA
Progress report 1:  first year (2004-2005) results

Exotic and native plant monitoring at Jepson Prairie Preserve, 2001

Exotic and native plant monitoring at Jepson Prairie Preserve, 2002

Riparian

Effects of stand thinning on water relations, growth, and condition of three
tree species in a riparian restoration planting

Propagating willows and cottonwoods from cuttings

Phytosphere Gear

Some of the equipment that we have custom built or modified for various field research uses is described and illustrated. This is a new section and we'll be adding items as time permits.

Falling plate meter