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

Posts Tagged: Lacan

Armillaria Root Rot in Landscape Trees

Armillaria mushrooms grow in clusters, have a ring around their stem, and are tan to honey colored. (Credit: J Turney)

What is Armillaria Root Rot? Armillaria root rot is a severe fungal disease that affects trees,...

Posted on Thursday, February 20, 2020 at 4:08 PM
Tags: Armillaria (2), control (55), disease (44), Downer (3), fungi (8), IPM (63), Lacan (3), landscape (51), management (42), pest (105), Pest Notes (98), tree (20), tree care (4), UC IPM (287)
Focus Area Tags: Environment, Natural Resources, Pest Management, Yard & Garden

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 (2), bacterial (2), dieback (5), flux (1), foamy (2), Lacan (3), oozing (1), phytopthora (1), scribing (1), slime (1), sudden oak death (5), UCIPM (72), wetwood (1)

Pruning and Tree Physiology: The Bad and The Ugly

A coast live oak (Quercus agrifolia) in the initial stages of decline from Armillaria root rot.

[From Dec 2013 issue of the UC IPM Green Bulletin newsletter] Pruning in Practice Pruning is...

Posted on Tuesday, July 8, 2014 at 12:22 PM
Tags: Lacan (3), pruning (7), tree (20)

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