UCCE Master Gardeners of San Joaquin County
University of California
UCCE Master Gardeners of San Joaquin County

Posts Tagged: sudden oak death

Phytophthora tentaculata: A New Exotic and Invasive Disease

Fig. 1 (a) Dying and dead Diplacus aurantiacus (orange bush monkeyflower) with advanced above ground symptoms, typical of Phytophthora disease. The infected plant has chlorotic (yellowing and browning) foliage. [L. Sims]

[From the December 2016 issue of the UC IPM Green Bulletin] A new plant pathogen in the genus Phytophthora (pronounced Fie-TOF-ther-uh) has recently been found in several California native plant nurseries and habitat restoration sites. The pathogen,...

Posted on Monday, December 19, 2016 at 7:10 AM
Tags: disease (32), exotic (8), fusarium (4), invasive (46), phytophthora (1), sudden oak death (4), tentaculata (1)

Citizens Concerned about Sudden Oak Death in San Luis Obispo County

From the ANR News Blog Central Coast residents, officials, ranchers and representatives of conservation organizations came out in force to a November UC Cooperative Extension meeting sounding an alarm about the recent detection of Sudden Oak Death (SOD)...

Posted on Tuesday, November 22, 2016 at 9:27 AM

When Monitoring Is the Best Action - The Case of Two “Flux Diseases”

Figure 1. [J.K. Clark]

[From the August 2016 issue of the UC IPM Green Bulletin] Two “sap flux” diseases observed in landscape trees—bacterial wetwood (or slime flux) and alcoholic (“foamy”) flux—often trigger demands that a landscaper...

Posted on Monday, September 12, 2016 at 4:33 PM
Tags: armillaria (1), bacterial (2), dieback (4), flux (1), foamy (2), Lacan (2), oozing (1), phytopthora (1), scribing (1), slime (1), sudden oak death (4), UCIPM (66), wetwood (1)

Sudden Oak Death Moving to Urban Areas; 3 Steps to Protect Oaks

Doug Schmidt, standing, and Matteo Garbeletto examine a bay laurel on the UC Berkeley campus.

Drought is decreasing but not defeating the pathogen that causes sudden oak death, according to a citizen science-assisted survey conducted this spring by a UC Agriculture and Natural Resources forest pathologist. Results of the 2015 Sudden Oak Death...

Posted on Thursday, October 1, 2015 at 10:04 PM
Tags: drought (25), phytophthora ramorum (2), SOD (2), sudden oak death (4), UC IPM (225)
 
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