Butte County

Rice Leaf

Sing up to receive the following updates via email:

Rice Leaf Newsletter

Armyworm Update 

Weedy Rice eNewsletter

If you would like to receive hardcopies in the mail, send an email with your mailing address to laespino@ucanr.edu

 

Rice Leaf Newsletter Issues

2025

April 2025

  • Summary of the 2024 variety trials
  • Arthropods: the usual suspects
  • Chlorine seed treatments
  • Late season control options for watergrass
  • Emergency Commodity Assistance Program: long and medium grain rice qualify for relief

Februrary 2025

  • Reducing fertilizer input costs
  • Take the time to evaluate the level of stem rot
  • Hedgerows in rice - Update
  • R. O. U. S. - Rodents of Unusual Size

2024

November 2024

  • Year in Review
  • 2024 No-Till Update
  • 2024 Heat Stress in Rice
  • Weeds Update 2024
  • Seed Production Update
  • Delta Rice Recap
  • Economic Needs Assessment of Agricultural Producers in Butte, Glenn, and Tehama Counties

July 2024

  • Your Herbicide Program is Not Working Well: Now What?
  • Monitoring Weather Conditions for Blast Development
  • Bakanae Symptoms to Look For
  • No-Till Drill-Seeded Rice Field Day Recap

June 2024

  • Second Year Testing No-Till Drill Seeded Rice
  • Pendimethalin Use in California Rice: Clarifications and Updates
  • Tadpole Shrimp Issues in 2024
  • Late Season Control Options for Watergrass
  • San Joaquin Delta Cover Crop Variety Trial
  • Be Wary of Relying on Chat GPT for Agricultural Questions

April 2024

  • Imagine
  • New Herbicides Bring Additional Tools to California Rice Weed Management in 2024
  • An Evaluation of Pyraclonil in California Rice
  • Don’t Forget About the Bugs!

January 2024

  • 2023 UC Rice Varietry Trial Results
  • Choose your Medium Grain Variety
  • New Herbicide Registered in Califoria for 2024: Cliffhanger
  • New Weed in California Rice: White Water Fire
  • Management of Rice Seed Midge – Insecticide Trial Results
  • Evaluating Losses Caused by Stem Rot
  • New Rice Farming Systems Advisor for Colusa and Yolo Counties
  • Survey: Challengers and Opportunities for Organic Rice

2023

November 2023

  • Testing no-till drill-seeded rice
  • 2023 Seed production report
  • Weeds to watch out for: 2023 edition
  • Diseases in 2023
  • 2023 Delta recap

July 2023

  • Testing no-till drill-seeded rice
  • More rice seed midge during 2023
  • Weeds in 2023: Wrap up
  • What’s new in tadpole shrimp research?
  • Meeting: Organic rice: current research and future needs

April 2023

  • Considerations for a late planted year
  • Yields and nitrogen management following a fallow year
  • Certified seed update
  • Stem rot management update
  • Weed management in 2023: what can we expect?
  • New product registrations for 2023
  • Managing rice in a late planted year

January 2023

  • Choosing a Medium Grain Variety
  • Results of 2022 Variety Trials
  • Rice Acreage by Variety Report
  • Effect of Competition by Weedy Rice
  • 2022 Disease Observations
  • Insecticides for Armyworm Control
  • Rice Regulatory Updates

2022

November 2022

  • Looking Back at 2022
  • High Nighttime Temperatures Partially to Blame for Increased Chalk and Decreased Milling
  • 2022 Pest Review
  • New Smart Insect Pest Detection Technology for Agricultural and Food Products
  • Rice Crop Rotation Tool Launched
  • 2022 Delta Rice Recap

July 2022

  • Getting the Most out of Limited Water
  • Herbicide Susceptibility Survey of Watergrass
  • Germination of Stored Rice Seed
  • Challenges and Opportunities for US Organic Rice

April 2022

  • Fertility Considerations Going Into 2022
  • Watergrass Control Options Based on Herbicide Resistance Status
  • Managing Tadpole Shrimp
  • Determining the Herbicide Resistance in Grower Fields is Key for Successful Weed Control in Rice
  • Updates from the Rice Experiment Station

January 2022

  • Summary of 2021 Rice Variety Trials
  • Tadpole Shrimp Management: Moving Beyond Pyrethroids
  • Watergrass Herbicide Screening: 2021 Results
  • Herbicide Trial in Delta Drill Seeded Rice

2021

November 2021

  • Managing rice straw when winter flood water is uncertain
  • 2021 California Crop Improvement Rice Seed Report
  • Weedy Rice Survey and Season Wrap Up
  • Arthropod and Disease Update

July 2021

  • 2021 Planting Overview
  • Propanil 101
  • Mid-season arthropod and disease update
  • Weedy Rice Workshop: 2021

April 2021

  • Fertility considerations going into 2021
  • Factors affecting crop rotation for rice growers
  • Weeds to watch out for in 2021
  • Herbicide trial in Delta drill-seeded rice
  • Tadpole shrimp: how resistant are they to pyrethroids?

January 2021

  • Rice Variety Trials Results
  • 2020 Seed Update – Red rice focus
  • What’s New for Thiobencarb
  • Preliminary Herbicide Screening in rice on Watergrass Species

2020

June 2020

  • What do you get from an NDVI reading
  • Effect of armyworm defoliation on rice yield
  • New California rice herbicide: RebelEX

April 2020

  • Rice variety trial results
  • Fungicide treatment timings
  • Potassium fertilizer needs
  • Weeds to watch out for in 2020
  • Herbicide trial in Delta drill-seeded rice 

2019

August 2019

  • Collecting Weed Seeds for Herbicide-Resistance Testing
  • 2019 Armyworm Update
  • Weedy Rice Scouting and Reporting
  • Alligatorweed Spotted in Butte County

March 2019

  • Summary of 2018 University of California Rice Variety Trials
  • Tillage for weed management in a good water year
  • Weedy Rice: 2018 season wrap-up and looking ahead for 2019