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

Posts Tagged: Green Bulletin

Removing Poison Oak

Poison-oak growing on a tree as a climbing vine. (Credit: Joseph M. DiTomaso)

Before hiking, backpacking, or camping, people are warned to avoid poison oak. But what should you do if you find it growing on property that you own or manage? Careful removal of poison oak is essential, since many people are allergic to it and can...

Posted on Sunday, July 22, 2018 at 10:00 PM
Tags: allergic (1), control (41), DiTomaso (5), Green Bulletin (3), poison oak (4), removal (1), skin rash (1), UC IPM (225)
Focus Area Tags: Pest Management Yard & Garden

Using Seaweed to Kill Argentine Ants

Fig 1. Argentine ants feeding on green or red hydrogels to demonstrate liquid bait uptake. (Credit: J-W Tay, UC Riverside)

[From the Spring issue of the UC IPM Green Bulletin] Argentine ants can be a damaging ant pest species in both agricultural and urban environments in California. Outdoors, they disrupt biological control by tending honeydew-producing pests and...

Posted on Tuesday, June 19, 2018 at 8:00 PM
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 impacting landscape trees result from abiotic (non-living) disorders rather than attacks from biotic (living) pests like plant pathogens, insects, and...

Posted on Wednesday, March 14, 2018 at 11:00 PM
Tags: abiotic (4), damage (12), diseases (9), disorders (1), drought (25), Green Bulletin (3), Hartin (1), heat stress (1), landscape (25), mechanical injury (1), trees (10), UC IPM (225)
Focus Area Tags: Pest Management Yard & Garden
 
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