Agriculture

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The green foliage of a small sycamore tree coated with fluffly, white patches of powdery mildew fungus.
Pests in the Urban Landscape: Article

What's That Powdery Stuff on My Plants?

March 5, 2026
By Belinda Messenger-Sikes
Have you seen white powdery-looking patches appearing on the leaves of your roses or sycamore trees? While home gardeners may be familiar with this sign of the plant disease powdery mildew on their veggies, ornamental plants and landscape trees can also be infected. In addition to those powdery spots, the…
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2025 Biological Evaluation Trial
Salinas Valley Agriculture: Article

2025 Biological Product Evaluation Trial in Romaine Lettuce: What Did We Learn?

February 25, 2026
By Paramveer Singh
A late-summer test on a farm near Soledad, CA, looked at eight biological product programs for romaine lettuce compared to a standard method used by growers, with normal irrigation and nutrients in the Salinas Valley. The marketable stand was the same in all treatments, and the amounts of fresh and dry…
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Ground-level view of a grape harvest scene with scissors and bags of harvested grapes
Food Blog: Article

Can a simple spray protect grapes from wildfire smoke?

February 23, 2026
By Emily C. Dooley
Smoke from wildfires can alter grapes and affect the taste and sensory experience of wine. Researchers are applying a calcium spray to grapes to see if the treatment can protect the fruit from smoke exposure.
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green laminaria seedlings with small round leaves
UC Master Gardeners of San Mateo & San Francisco Counties: Article

Time to Start Vegetable Seeds

February 10, 2026
By Cathrin Callas
 Starting vegetable seeds indoors can reduce the cost of transplants and allow you to grow varieties that may be difficult to find in nurseries. To get started, you will need a soilless mix; growing containers; and the proper moisture, light (like a south-facing window) and temperatures between 65-75°F…
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Person wearing gloves pouring liquid from a measuring cup into a spray bottle on cement.
Pests in the Urban Landscape: Article

Upcoming Webinars from UC IPM

February 9, 2026
By Yulie Velez
If you missed our first Urban & Community IPM webinar of the year, Pests of Backyard Chickens, don’t fret, we have more for you! Join us every third Thursday of the month from 12:00pm to 1:00pm PT to learn about a wide range of urban pest management topics. This series is free and open to the…
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Nutrition Policy Institute News: Article

Announcing the FFY 2025 CalFresh Healthy Living Data Briefs

January 21, 2026
The Nutrition Policy Institute is pleased to share the 2025 CalFresh Healthy Living data briefs, highlighting the vital contributions of local health departments and their community partners to California’s nutrition and physical activity promotion efforts during federal fiscal year 2025. The California…
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