UC Master Gardeners, Santa Clara County, CA
University of California
UC Master Gardeners, Santa Clara County, CA

Posts Tagged: dieback

Invasive Spotlight: Shot Hole Borers and the Diseases They Carry

Discolored patches on bark from polyphagous shot hole borer adults boring into a tree trunk. (Credit: Akif Eskalen Lab, UC Riverside)

Shot hole borers are tiny insects the size of a sesame seed that don't look particularly harmful,...

Posted on Thursday, June 7, 2018 at 10:00 PM
Focus Area Tags: Pest Management Yard & Garden

Invasive Shot Hole Borers Threatening Trees in Southern California

Fig.1. Adult female Polyhagous shot hole borer (Euwallaceae sp.).

[From the December 2016 issue of the UC IPM Green Bulletin] The Polyphagous shot hole borer (PSHB)...

Posted on Wednesday, January 4, 2017 at 1:10 PM
Tags: borer (2), control (1), detection (1), dieback (3), fungus (1), fusarium (1), graphium (1), hosts (1), KSHB (1), Kuroshio (2), management (1), paracremonium (1), polyphagous (1), PSHB (1), shot hole (1), trees (2)

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...

Posted on Monday, September 12, 2016 at 4:33 PM
Tags: armillaria (1), bacterial (1), dieback (3), flux (1), foamy (1), Lacan (1), oozing (1), phytopthora (1), scribing (1), slime (1), sudden oak death (1), UCIPM (1), wetwood (1)
 
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