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Sudden Oak Death

KRCB News Story -- Gathering Leaves: Sudden Oak Death Research

In collaboration with the University of California and The Center for Environmental Inquiry at Sonoma State University, citizen scientists in Sonoma County are collecting bay laurel leaves to assist in controlling the pathogen responsible for Sudden Oak Death.

Published by KRCB North Bay Public Media. Also available at the following link:

https://www.youtube.com/watch?v=BZ8_YByYWU4&feature=share

SOD Blitz 2018

This 2018 Sudden Oak Death Blitz was hosted by the UC Master Gardener Program of Sonoma County SOD Specialists, and funded by the US Forest Service.

Unless otherwise noted, this was a one-hour meeting that provided members of the public with the information and supplies needed to participate in this citizen scientist project.

DETAILS OF PAST 2018 EVENTS

Thursday, May 3, 5:30 PM

Petaluma Community Center, 320 N McDowell Blvd, Petaluma

Saturday, May 5, 9 AM - 1PM

Galbreath Wildlands Preserve, meet at the Yorkville post office 25400 CA-128
- The group will collect samples together during the event on-site at the preserve
- Must bring a 4 wheel drive vehicle, or park at the post office then be a passenger in another vehicle that will drive up to and within the preserve
- Children (age 17 and under) MUST be accompanied by a legal guardian or a group leader who can legally take on that role (i.e. girl Scout group)

Saturday, May 5, 9:30 AM

Graton Community Club, at Main and N Edison in Graton
Spring Lake Park Environmental Discovery Center. Use park entrance at Violetti Road, upper parking lot. 393 Violetti Road, Santa Rosa

Saturday, May 5, 10:30 AM

Sonoma Regional Library, 755 W Napa St, Sonoma

Saturday, May 6, 9:30 AM

Fairfield Osborn Preserve
- The group will collect samples together during the event on-site at the preserve
- Children (age 17 and under) MUST be accompanied by a legal guardian or a group leader who can legally take on that role (i.e. girl Scout group)

Click here to learn more about the SOD Blitz

SOD in the News

Sudden oak death in Sonoma County explodes, thanks to winter rains, Press Democrat, Oct 2016

This disease has killed a million trees in California, and scientists say it’s basically unstoppable, Washington Post, May 2016

North Coast rains a boost for sudden oak death, Press Democrat, May 2016

Drought slows spread of sudden oak death in Sonoma County, Press Democrat, Sep 2015

New effort to track Sudden Oak Death in Sonoma County, Press Democrat, Apr 2014

How oak death spores survive baffles scientists, SF Gate, Jul 2009

2017 SOD BLITZ RESULTS

Over 2,200 trees were sampled in Sonoma County. See Results here.

	Surveyed Trees	Symptomatic Oak Nearby	Sampled Trees	SOD Positive Sampled Trees %	Estimated True Infection Rate	Symptomatic Surveyed Trees %
Sonoma-West	1086	10.1	89	69.7	21.1	30.3
Sonoma-North	187	7.7	68	27.9	3.9	13.9
Sonoma-East	1018	9.9	131	64.1	32.9	51.3