Ongoing research

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Lady beetle eating aphid. (Photo by Kathy Keatley Garvey)

The Aphid Eaters

March 20, 2026
By Kathy Keatley Garvey
 All hail the aphid eaters!Lady beetles, aka ladybugs, emerge in spring from winter hibernation, and do so with voracious appetites. Is your rose bush drawing aphids? Bring on the beetles.  The lady beetle eats some 50 aphids a day--what some may call "a 50-course meal." In it lifetime, it can…
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Row of grapevines in a vineyards. Beginning of blossoming period.
UC Ag Experts Talk Webinar Series: Event

Webinar: Impact of Grapevine Nursery Cultural Practices on Trunk Diseases

Event Date
May 13, 2026

This webinar is part of the UC Ag Experts Talk series. Dr. Philippe Rolshausen, Professor Cooperative Extension Specialist in Subtropical Horticulture with the Dept. of Botany and Plant Sciences at UC Riverside, will give a general overview of production methods and disease certification program for…
UC Ag Experts Talk Webinar Series
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water
Stanislaus County: Article

Evapotranspiration Weekly Report 3/19/26

March 20, 2026
By Sandi L Gudino
Please find the attached document to provide the previous week’s estimated water use report in terms of evapotranspiration for almonds, peaches, walnuts, established vineyard, alfalfa, and pasture in Stanislaus County. This report may be used as a guide in your irrigation schedule for the…
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A bee foraging on citrus bloom
Citrus IPM News: Article

Citrus Bloom Declared Across San Joaquin Valley: What It Means for Thrips Management

March 19, 2026
By Sandipa Gautam
Citrus Bloom Declared Across San Joaquin Valley: What It Means for Thrips ManagementCitrus bloom has now been declared across the major growing regions of the San Joaquin Valley, with the first bloom observed in Kern County (March 12–19), followed closely by Fresno County (March 14–19) and Tulare County …
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Master Gardeners at the Visalia Farmers Market
UC Master Gardeners of Tulare and Kings County: Event

Visalia Farmers Market

Event Date
Jun 6, 2026

Do you have gardening questions? Visit the UC Master Gardeners of Tulare/Kings County Information Table at the Visalia Farmers Market for free pamphlets, handouts, and expert plant and pest advice.  We encourage you to bring your questions, photos, or garden samples—whether you're a beginner or an…
UC Master Gardeners of Tulare and Kings County
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