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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