Phytophthora ramorum

Species profile prepared by J. L. Parke and D. M. Rizzo.

To cite, see Forest Phytophthoras (2011) doi: 10.5399/osu/fp.1.1.1821

Education and Management Materials

Phytophthora - Stop the spread
Published on May 17, 2012 by FeraUK1

A group of over 20 organisations from the public sector, charities and the private sector have got together to produce two videos to help tackle the threat posed to our plant nurseries, gardens, woodlands and countryside from two devastating Phytophthora pathogens, Phytophthora ramorum and Phytophthora kernoviae.

A Reference Manual for Managing Sudden Oak Death in California
Provides guidance for professionals and landowners to manage sudden oak death (SOD) in California forests. 129 pp.
Stop the Spread of Sudden Oak Death

Two page pamphlet from Oregon State University Extension, April 2013

Forestry Commission action plan for ramorum on Larch in Scotland

Actions for the health and biosecurity of Scotland’s trees, woods and forests (2013/14)

Laboratory diagnosis of Phytophthora ramorum in larch trees (video)

UK Forestry Commission
Published on Oct 29, 2012
How we diagnose the presence of Phythphthora ramorum in larch trees.

Phytophthora ramorum - Identifying symptomatic larch

This Guidance note gives examples of symptoms to look for and to avoid when observing larch that may be suspected to have Phytophthora ramorum infection.

Risk Analysis of P. ramorum, a Newly Recognised Pathogen Threat to Europe

Report on the risk of entry, establishment, spread and socio-economic loss and environmental impact and the appropriate level of management for Phytophthora ramorum for the EU26th February 2009, 311 pp.

USDA Risk Analysis for Phytophthora ramorum

Risk Analysis for Phytophthora ramorum Werres, de Cock & Man in't Veld, Causal Agent of Sudden Oak Death, Ramorum Leaf Blight, and Ramorum Dieback. USDA APHIS, 94 pp., January 2008

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 pp.

Life Cycle of P. ramorum as it relates to soil and water

Slideshow of 47 slides

Nursery industry best management practices for Phytophthora ramorum

California Center for Urban Horticulture 44 page booklet (Also available in Spanish)

P. ramorum Spanish language factsheet

Two page informational sheet from COMFT

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