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

Posts Tagged: trees

Holiday Tree Pests

Cooley spruce gall adelgids on needles of Douglas fir. (Credit: Jack Kelly Clark)

If you're planning to get a holiday tree for your home, you may find unexpected guests have...

Posted on Sunday, December 6, 2020 at 3:00 PM
Tags: diseases (11), holiday (4), home (10), insects (18), landscape (51), pest (105), pine (3), tree (20), trees (14), UC IPM (287)
Focus Area Tags: Pest Management, Yard & Garden

Anthracnose Pest Note Updated

Black leaf spots caused by Chinese elm anthracnose.<br>(Credit: Jack Kelly Clark)

Anthracnose is a group of fungal diseases that infect many trees and shrubs, causing dark lesions...

Posted on Thursday, May 14, 2020 at 3:16 PM
Tags: anthracnose (1), Crump (1), Downer (3), fungi (8), landscape (51), pest management (77), Pest Notes (98), resistant cultivar (1), Swain (3), trees (14), UC IPM (287)
Focus Area Tags: Pest Management, Yard & Garden

Underneath the Mistletoe

Foliage and fruit of broadleaf mistletoe.<br>(Credit: Jack Kelly Clark)

Mistletoe is a familiar sight of the season, often found wrapped in ribbon and hung for certain...

Posted on Sunday, December 15, 2019 at 3:00 PM
Tags: control (55), holiday (4), ipm (63), landscape (51), mistletoe (3), parasitic plant (3), pest (105), Pest Notes (98), plants (13), trees (14), UC IPM (287), winter (8)
Focus Area Tags: Environment, Natural Resources, Pest Management, Yard & Garden

Asian Citrus Psyllid Webinar for Backyard Gardeners

Brown adult, yellow nymphs, and white wax of Asian citrus psyllids.<br>(Credit: M Rogers)

We hope by now most people have heard about and are aware of the Asian citrus psyllid (ACP), a...

Posted on Sunday, December 1, 2019 at 8:45 AM
Tags: ACP (31), Asian Citrus Psyllid (31), citrus (18), disease (44), Grafton-Cardwell (13), HLB (27), huanglongbing (35), invasive (44), pest (105), trees (14), UC IPM (287)
Focus Area Tags: Agriculture, Economic Development, Food, Pest Management, Yard & Garden

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

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