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Posts Tagged: trees

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 (50), holiday (2), ipm (62), landscape (38), mistletoe (3), parasitic plant (3), pest (87), Pest Notes (75), plants (10), trees (12), UC IPM (224), winter (8)

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 (30), Asian Citrus Psyllid (30), citrus (18), disease (38), Grafton-Cardwell (13), HLB (26), huanglongbing (35), invasive (31), pest (87), trees (12), UC IPM (224)

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,...

Poster
Poster

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

Asian Citrus Psyllid Found in San Luis Obispo County

Lemons on a tree. (Credit: Pixabay.com)

San Luis Obispo County has seen more than 20 detections of Asian citrus psyllid (ACP) since...

Lemons on a tree. (Credit: Pixabay.com)
Lemons on a tree. (Credit: Pixabay.com)

Lemons on a tree. (Credit: Pixabay.com)

Actual size of Asian citrus psyllid. (Credit: B. Grafton-Cardwell)
Actual size of Asian citrus psyllid. (Credit: B. Grafton-Cardwell)

Actual size of Asian citrus psyllid. (Credit: B. Grafton-Cardwell)

Posted on Friday, May 11, 2018 at 10:40 PM
Tags: ACP (30), Asian citrus psyllid (30), disease (38), HLB (26), huanglongbing (35), incurable (1), Nipomo (1), San Luis Obispo (2), trees (12), UC IPM (224)
Focus Area Tags: Pest Management Yard & Garden

Landscape Tree Damage: It's Not Always a Pest Issue

Fig 1. Limb dieback and sparse canopy of overwatered olive trees around which turf was planted. Unirrigated trees in the background are healthy. (Photo: L. R. Costello, UCCE)

[From the Spring issue of the UC IPM Retail Nursery & Garden Center News] Most disorders...

Posted on Wednesday, March 14, 2018 at 11:00 PM
Tags: abiotic (5), damage (15), diseases (8), disorders (1), drought (8), Green Bulletin (4), Hartin (1), heat stress (1), landscape (38), mechanical injury (1), trees (12), UC IPM (224)
Focus Area Tags: Pest Management Yard & Garden

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