Pest Management & Plant Health

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A person standing in front of a hillside covered in yellow flowering French broom shrubs.

Invasive Pest Spotlight: Brooms

August 23, 2023
By MacKenzie F Patton
The Invasive Pest Spotlight focuses on relevant or emerging invasive species in California. In this issue we are covering brooms, a group of invasive shrubs. Invasive Broom facts Brooms are upright shrubs in the legume family that typically produce small, yellow, pea-shaped flowers.
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A man wearing a mask, gloves, long sleeve shirt, and pants applying a pesticide dust into a crack on an exterior wall.

Hiring a pest control company?

August 22, 2023
By Lauren Fordyce
Some pest problems can be easily handled at home yourself. But if your pest issue is a bit more serious, or you don't have the time or tools to address it yourself, hiring a pest control company might be your best option.
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A tomato plant with green, upward cupped leaves and a ripe red tomato.

Tomato leaves curling?

August 17, 2023
By Lauren Fordyce
Tomatoes are ripening all over California right now keeping many gardeners and tomato lovers busy picking, canning, and eating. But what may not make gardeners happy are seeing curled leaves and not knowing why. There are many reasons why your tomato leaves may be curling or rolling.
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Giuliano Galdi, UCCE Agronomy and Weed Management Advisor
UC Weed Science (weed control, management, ecology, and minutia): Article

New Weed Management Advisor, Giuliano Galdi

August 17, 2023
By Gale Perez
My name is Giuliano Galdi, and I am the new UC Cooperative Extension (UCCE) Agronomy and Weed Management Advisor located in Merced County, and also with responsibilities in Stanislaus and San Joaquin counties. In San Joaquin county, my primary responsibility will be in weed management.
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UC Davis alumna Nazzy Pakpour, who holds a doctorate microbiology, virology and parasitology from the University of Pennsylvania, reads from her children's book, "Please Don't Bite Me," at a recent Bohart Museum of Entomology open house. (Photo by Kathy Keatley Garvey)
Bug Squad: Article

Teach 'em When They're Young

August 16, 2023
By Kathy Keatley Garvey
Nazzy Pakpour has a way with kids. At a recent Bohart Museum of Entomology open house, she read passages from her newly published children's book, Please Don't Bite Me: Insects that Buzz, Bite and Sting, and then encouraged questions.
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UC Davis distinguished professor Diane Ullman (right) and assistant professor and urban landscape entomologist Emily Meineke taught the class.
Bug Squad: Article

A Mural Like No Other

August 9, 2023
By Kathy Keatley Garvey
The Secret Life of Vineyards depicts what you may never see: the life that inhabits a vineyard. A UC Davis team created the insect-themed ceramic-mosaic mural that was recently installed at the Matthiasson Winery, 3175 Dry Creek Road, Napa.
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Sharon Lawler, professor emerita, UC Davis Department of Entomology and Nematology
Entomology & Nematology News: Article

Professor Emerita Sharon Lawler Weighs in on Mosquito Questions

August 9, 2023
By Kathy Keatley Garvey
Professor emerita Sharon Lawler of the UC Davis Department of Entomology and Nematology is quoted in a Pest Gnome study titled "2023's Most Vulnerable Counties for Mosquito-Borne Diseases," published Aug. 9. The article, noting that World Mosquito Day is Aug.
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A healthy sycamore tree next to a dead sycamore tree with no leaves.

Invasive shothole borers: tiny but deadly

August 7, 2023
By Lauren Fordyce
They may seem too tiny to do much damage to a mature, healthy tree, but invasive shothole borers (ISHB) are responsible for the deaths of tens of thousands of trees in Southern California. These beetles bore into trees and infect them with Fusarium dieback, a fungal disease that kills the trees.
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Figure 1. Toxic perennials include curly dock (Rumex crispus) and larkspur (Delphinium spp).
UC Weed Science (weed control, management, ecology, and minutia): Article

Managing toxic plants

August 6, 2023
By Gale Perez
Some plants thrive even in dry years, while others need wet years to really blossom. It's no surprise, then, that this year the University of California Cooperative Extension (UCCE) Fresno office has received several inquiries about potentially toxic plants and how to deal with them.
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