Pest Management & Plant Health

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Amsinckia closeup
UC Weed Science (weed control, management, ecology, and minutia): Article

What's in a weed? Sometimes, toxins.

August 24, 2020
A few months ago, I was asked about the toxicity of various plants in a horse pasture after the death of a miniature horse using that pasture.
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Oleander aphids on a milkweed stem. (Kathy Keatley Garvey)
The Stanislaus Sprout: Article

A Garden Journal: My Buggy Summer

August 22, 2020
By Anne E Schellman
It's been a buggy spring and summer in my new garden, where I've encountered varieties of scale, aphids and flies I hadn't experienced before. About 18 months ago we moved to a new house in a new neighborhood.
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Inspecting the underside of a leaf on an African violet plant with purple flowers blooming.
Pests in the Urban Landscape: Article

Houseplant Pests

August 20, 2020
By Belinda Messenger-Sikes, Karey Windbiel-Rojas
Like outdoor plants, houseplants can also experience pest problems. Did you know that too much or too little watering is the most common way that houseplants die? They can also suffer from too much or too little light, incorrect fertilization, and a variety of pests and diseases.
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cabbage
The Stanislaus Sprout: Article

Fall Vegetable Gardening Class Tuesday!

August 19, 2020
By Anne E Schellman
Are you signed up for our free Fall Vegetable Gardening class? We hope to "see" you on Zoom to tell you all about the vegetables you can grow in fall! UCCE Stanislaus County Master Gardeners Rho Yare and Terry Pellegrini will discuss their tips for having a successful fall vegetable garden.
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Townhouses with landscaping.
Pests in the Urban Landscape: Article

Blog Feedback Wanted

August 19, 2020
The Pests in the Urban Landscape blog shares pest information for residents, retailers, landscape professionals, structural pest control professionals, and more.
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2020 Field Walk with UC Cooperative Extension Vegetable Crops Advisor Zheng Wang
UC Weed Science (weed control, management, ecology, and minutia): Article

2020 Field Walk - weed management in basil

August 19, 2020
By Gale Perez
With COVID-19, we've had to skip hosting in-person field day events and come up with creative ways to extend research results and information.
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This is the giant water bath created from a leftover evaporative cooler from the Michael Parrella lab.
Bug Squad: Article

Emily Bick: Salinity, the Water Hyacinth and a Weevil

August 12, 2020
By Kathy Keatley Garvey
If that heavy growth of water hyacinth in the Sacramento-San Joaquin Delta in central California alarms you, then you'll want to read a newly published research paper that provides the most thorough look at how salinity impacts the invasive plant and its biological control agent, the weevil Neocheti...
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Green fruit beetle (Credit: Jack Kelly Clark)
Pests in the Urban Landscape: Article

Green Fruit Beetles or Japanese Beetles?

August 12, 2020
We've had many reports in the last two weeks from people asking what those big green, buzzing, beetles are. Green fruit beetles (Cotinis mutabilis) are members of the scarab beetle family and are sometimes known as fig beetles or figeater beetles. They are related to green June beetles (C.
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Figure 1: Branched broomrape infestation in a processing tomato field in California.
UC Weed Science (weed control, management, ecology, and minutia): Article

Getting familiar with branched broomrape: a parasitic weed in California processing tomato

August 12, 2020
By Brad Hanson
Branched broomrape (Phelipanche ramosa), a weedy parasitic plant that can cause devastating damage to many economically important wide range of broadleaf crops including tomato, cabbage, potato, eggplant, carrot, pepper, beans, celery, peanut and sunflower has recently re-emerged in fields in Centra...
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