UC Rice Blog

We have conducted field surveys of weedy rice in 2020 and 2025. The objectives were to document the location of weedy rice infestations, determine how severe these infestations are, and evaluate the spread of this weed. In 2020, we inspected 15,748 acres of rice. Of these, 3,412 acres (21% of surveyed…

2026 Propanil Stewardship Meeting"Propanil Stewardship & Alternative Watergrass Management Strategies"Dates: February 26 (Thursday), 2026 Time: 10:00 am - 12:00 pmLocation: CIP Conference Room, 100 Sunrise Blvd., Colusa, CA<Agenda>

It has been a busy year! Here is a quick recap of some of our studies.Hedgerows: This study, initiated in 2024, is evaluating how planting rows of native species along permanent levees can influence beneficial insect activity in rice fields as well as weed pressure on levees in rice systems. Preliminary data…

2026 Rice Winter Grower Meetings CE Credits: 2 DPR (0.5 L&R, 0.5 Aerial, 1 Other) & CCA Pending Wednesday, Jan 21Richvale: 8:00 AM @ Evangelical Church (5219 Church St)Willows: 1:00 PM @ Willows Memorial Hall (525 W Sycamore St)Thursday, Jan 22Colusa: 8:00 AM @ CIP Conference…

This video is a short summary of a research grant funded by the California Department of Pesticide Regulation. This project addressed various aspects of tadpole shrimp management in California rice including shrimp damage potential, interplay between planting timing, temperature, and damage, biological…