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Rice Leaf Newsletter

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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