Posts Tagged: Lacan

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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, woody plants, and some herbaceous plants including palms and succulents. Also known as oak root fungus, Armillaria root rot can rapidly kill trees and...

Posted on Thursday, February 20, 2020 at 4:08 PM

Comments: 0

Tags: Armillaria (2), control (54), disease (43), Downer (3), fungi (8), IPM (63), Lacan (3), landscape (48), management (42), pest (102), Pest Notes (92), tree (19), tree care (4), UC IPM (268)

Focus Area Tags: Environment, Natural Resources, Pest Management, Yard & Garden

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

[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

Comments: 2

Author: Igor Lacan

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 perhaps the most common tree maintenance activity that is undertaken on urban and ornamental trees. This is in sharp contrast with forest trees, which are...

Posted on Tuesday, July 8, 2014 at 12:22 PM

Comments: 0

Author: Igor Lacan

Tags: Lacan (3), pruning (7), tree (19)