UCCE Master Gardeners of San Joaquin County
University of California
UCCE Master Gardeners of San Joaquin County

Posts Tagged: invasive

Reducing the Spread of Invasive Pests in Cut Wood

Figure 1. Firewood left behind from tree care operations can harbor pests. (Credit: Karey Windbiel-Rojas)

[Originally published in the Fall 2018 issue of the Green Bulletin. Modified slightly from original.] Invasive insects and diseases are threatening numerous tree species throughout the country. Impacts include tree mortality, destruction of forest and...

Posted on Tuesday, November 6, 2018 at 2:41 PM
Tags: arborist (1), borer (4), disease (31), firewood (7), invasive (46), pest (74), tree (16), UCIPM (66)
Focus Area Tags: Pest Management Yard & Garden

Managing Invasive Shot Hole Borers in Southern California

Figure 1. Polyphagous shot hole borer. (Credit: Akif Eskalen)

[Originally published in the Fall 2018 issue of the Green Bulletin. Modified slightly from original.] Invasive wood-boring beetles are attacking hundreds of thousands of trees in southern California, including commercial avocados, and trees within urban...

Posted on Wednesday, October 24, 2018 at 10:00 AM
Tags: beetle (10), dieback (4), Dimson (2), Fusarium (4), invasive (46), IPM (63), ISHB (1), Nobua-Behrmann (1), pest (74), polyphagous (4), PSHB (3), shot hole (2), tree (16), UC IPM (220)
Focus Area Tags: Pest Management

Dark Rover Ant: Current Status in California

Figure 1. Dark rover ant (Credit: Siavash Taravati, UC IPM)

[From the Fall 2018 issue of UC IPM's Green Bulletin newsletter] The dark rover ant (Brachymyrmex patagonicus) is an invasive species which is increasingly being noticed in Southern California. It is a nuisance species that invades structures as both...

Posted on Wednesday, October 10, 2018 at 10:42 AM
Tags: ant (2), invasive (46), pest management professional (2), rover (1), structural (1), Taravati (2), UC IPM (220)
Focus Area Tags: Pest Management Yard & Garden

Don't Move Firewood!

Don't Move Firewood!

[From the Summer issue of the UC IPM Retail Nursery & Garden Center News] When you use firewood in the great outdoors, be aware that moving firewood can transport tree-killing insects and diseases. Find out more at the following...

Don't Move Firewood!
Don't Move Firewood!

Don't Move Firewood!

Posted on Thursday, August 23, 2018 at 10:00 PM
Tags: burn (1), California (28), exotic (8), firewood (7), invasive (46), oak mortality task force (1), pests (54), tree (16), UC IPM (220)
Focus Area Tags: Pest Management

Growth potential of South American spongeplant at different temperatures

A new plant developing at the end of a stolon.

South American spongeplant (Limnobium laevigatum) is a free-floating, freshwater aquatic plant that has been introduced to the Sacramento-San Joaquin Delta. Spongeplant can propagate sexually through seed production and asexually through the development...

Posted on Wednesday, August 22, 2018 at 2:00 PM
Tags: Aquatic Plants (25), aquatic weeds (49), invasive (46)

Next 5 stories | Last story

 
E-mail
 
Webmaster Email: mdhachman@ucdavis.edu