UC Rice Blog

2025 Delta Rice Recap

February 23, 2026
By Michelle M Leinfelder-Miles
This article is my annual review of UCCE Delta rice research and seasonal observations.Variety Trial: Delta rice acreage has been steadily increasing, and yields are comparable with the statewide average (Table 1). I estimate that Delta acreage approached, if not exceeded, 15,000 acres in 2025. To…
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Weedy Rice Survey Update

February 16, 2026
By Troy L Clark, Luis A Espino, Whitney B Brim-Deforest
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…
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Save the Date!

February 12, 2026
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>
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hedgerow site 2025 demonstration

Fall Update: Rice Field Research Projects in the Sacramento Valley

February 9, 2026
By Whitney B Brim-Deforest, Sarah Marsh Janish, Luis A Espino
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…
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Upcoming Winter Grower Meetings

January 12, 2026
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…
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