News Release
University Affairs Office
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(707) 664-2057
    October 25, 2004      
    Contact: Jean Wasp, Media Relations Coordinator, (707) 664-2057,


UC President to Visit Sudden Oak Death Research
Sites at Fairfield Osborn Preserve

University of California president Robert C. Dynes will visit Sudden Oak Death research sites at Sonoma State University's Fairfield Osborn Preserve in Penngrove at 10:55 a.m. on Tuesday, Oct. 26. Local media are invited to attend.

The Preserve is one of the prime research sites in California into the causes of the disease and how it is spread. Dave Rizzo, UC Davis pathologist who first identified Phytophthora ramorum as the agent that causes Sudden Oak Death, will discuss the work to combat it's spread. In addition to causing mortality in oak and tan oak species, the pathogen causes non-lethal leaf and twig infections in over 25 plant species.

Scientists at Sonoma State University have been studying the ecology, host genetics, and spread of P. ramorum since 2001.

Ongoing research projects at SSU include:

* Humans and other vertebrates as dispersal agents
* Effects of landscape heterogeneity on infection level
* Population genetics and susceptibility of bay laurel
* Influence of land-use history on pathogen establishment
* Early-detection survey in California
* Mapping the risk of establishment and spread in California
* Spatial modeling and simulation of P. ramorum population dynamics
* Predicting the establishment and spread of P. ramorum

Research at the Preserve is also conducted by investigators from UC Davis, UC Berkeley and the United States Forestry Service.

Dynes is visiting the Napa and Sonoma regions as part of his inaugural tour of the state.

For more details, contact Abby Lunardini, UC President's office, (510) 332-7008.


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Last Modified: 10/25/2004