Pest Management & Plant Health

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Figure 1. Polyphagous shot hole borer. (Credit: Akif Eskalen)
Pests in the Urban Landscape: Article

Managing Invasive Shot Hole Borers in Southern California

October 24, 2018
By Beatriz E Nobua Behrmann
[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 landscapes and wildland environments.
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Adult and nymphs of the Asian citrus psyllid. (Credit: Michael E. Rogers, University of Florida)
Pests in the Urban Landscape: Article

Asian Citrus Psyllid publication updated

October 22, 2018
By Karey Windbiel-Rojas
The Asian citrus psyllid is an insect that can carry a deadly tree disease called Huanglongbing or citrus greening.
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A fruit fly, Drosophila melanogaster, feeding on a banana. (Photo by Sanjay Acharya, courtesy of Wikipedia)
Bug Squad: Article

What This Scientist Discovered in an Insect and Why It Matters

October 19, 2018
By Kathy Keatley Garvey
What this scientist discovered in an insect and why it matters... Naoki Yamanaka, an assistant professor at UC Riverside (UCR), is known for his innovative and creative research. In fact, the National Institute of Health (NIH) just awarded him a $2.
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Sometimes weeds are tasty, like amaranth and purslane
UC Weed Science (weed control, management, ecology, and minutia): Article

Herbicide injury in avocado

October 18, 2018
By Gale Perez
From the Topics in Subtropics blog (Oct. 15, 2018) ****************** Although the main objective of herbicide use in avocado orchards (and all crops) is to manage weed populations, sometimes unintentional injury of the crop itself can occur when herbicides are incorrectly applied.
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A cabbage white butterlfy, Pieris rapae, heads for lantana in a Vacaville garden. (Photo by Kathy Keatley Garvey)
Bug Squad: Article

Spotting the Cabbage White Butterfly

October 15, 2018
By Kathy Keatley Garvey
They're everywhere. But they're not welcome. Agriculturists who commercially grow cabbage and other cucurbits aren't fond of the cabbage white butterlfy, Pieris rapae, because its larvae are pests that ravish their crops. No welcome mat for them.
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Arundo donax<br>Giant Reed
HOrT COCO-UC Master Gardener Program of Contra Costa: Article

"Bamboo" Problems

October 15, 2018
Advice for the Home Gardener from the Help Desk of the UC Master Gardener Program of the Contra Costa County MGCC HD Client's Request: I live in West County along the Bay. There is a very large patch of bamboo that I would like to identify so I can take the appropriate measure to eradicate it.
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IMG 1905
Community Pest News: Article

Weeds in Landscapes Pest Notes updated

October 10, 2018
By Karey Windbiel-Rojas
Controlling weeds can be challenging, but UC IPM provides many resources to help home gardeners and landscape professionals.
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