Harvesters in a field
Colusa County

Rice Briefs Newsletter

This newsletter is released on a quarterly basis and recounts relevant topics to the California rice industry, including research updates and topical news. To be added to our email list, our physical mailing list, or both, please contact smarsh@ucanr.edu.

Rice Briefs Newsletter - February 2026

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Lodged rice fields
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The February 2026 Rice Briefs newsletter highlights key updates in California rice production, including a review of the 2025 season, statewide variety trial results, guidance on stem rot monitoring, and emerging issues such as nutria spread and pyrethroid resistance in tadpole shrimp. It also provides weed management recommendations for drill‑seeded no‑till rice and lists several upcoming meetings and workshops for growers.

Contents

  • 2025 Year in Review
  • Statewide Variety Trial Results
  • Stem Rot Monitoring Guidelines for the Mid-Boot Stage
  • Update on Nutria Populations
  • Pyrethroids and Tadpole Shrimp in Rice
  • Weed Management Considerations for Drill-Seeded No-Till Rice


 

Colusa County

Colusa/Yolo Rice Briefs - November 2025

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Winter flooded rice fields and one field burning against the sunset
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Contents

  • Fall Updates: Rice Research Projects in the Sacramento Valley
  • Weedy Rice Survey Update
  • 2025 Delta Rice Recap
  • Rice Seed Production Update
  • White Water Fire Weed Morphology and Control in CA Rice?
  • Nickels Soil Lab Fundraiser Dinner Set
Colusa County

Colusa/Yolo Rice Briefs - July 2025

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Echinochloa spp.
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In This Issue:

  • POSTPONED - Rice Production Workshop
  • 2025 Was a Spread-Out Planting Season for California Rice
  • Summary of the California Rice Commission Rice Footprint Report
  • 2025 Pest Issues Update
  • Drill Seeding: How Deep is Too Deep?
  • An Attempt to Improve Scouting for Tadpole Shrimp Using a Novel Sampler
  • Weed Updates 2025
Colusa County

Colusa/Yolo Rice Briefs - April 2025

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Seed Midge
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In this Issue:

  • Chlorine Seed Treatments
  • Summary of the 2024 Variety Trials
  • The Usual Suspects  - Arthropods
  • Late Season Control Options for Watergrass – 2025 Updates
  • Emergency Commodity Assistance Program: Long and Medium Grain Rice Qualify for Relief
Colusa County