Rice Notes

Save the Dates!
New Herbicides Bring Additional Tools to California Rice Weed Management in 2024
Don’t forget about the bugs!
An Evaluation of Pyraclonil in California Rice
Imagine
Herbicide Susceptibility Chart

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Rice Notes - January 2024

Feb 2, 2024

Rice Herbicide Seminars
Meet our New Advisor
A Solid Choice of Medium Grain Varieties to Choose from to Adapt to your Condition
New Weed in California Rice: White Water Fire (Bergia capensis)
New Herbicide Registered in California Rice for 2024: Cliffhanger™
Summary of 2023 University of California Rice Variety Trails
Evaluating Losses Caused by Stem Rot
Management of rice seed midge – insecticide trial results

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Rice Notes - November 2023

Nov 30, 2023

Save the Dates
2023 Delta Rice Recap
2023 Seed production Report
Testing No-Till Drill-Seeded Rice
Disease in 2023
Weeds of Interest: 2023 Edition

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Download (924KB PDF)

Rice Notes - July 2023

Jul 25, 2023

Organic Rice Meeting - July 26, 2023
2023 Results – Rice Pesticide Program
More Rice Seed Midge During 2023
Testing no-till drill- seeded rice
What’s new in tadpole shrimp research?
Weeds in 2023: Wrap Up
New UC Rice Website!

Download (1,677KB PDF)

Rice Notes - April 2023

Apr 11, 2023

Managing Rice in a Late Planted Year
Some considerations for a late planted year
Meet the Rice Farming Systems Advisor
Stem Rot Management Update
Yields and nitrogen management following a fallow year
Weed Management in 2023: what can we expect?
New product registrations for 2023
Certified Seed Update

COME WORK FOR THE RICE TEAM!!

CLICK HERE FOR MORE INFORMATION

Download (578KB PDF)

Rice Notes - January 2023

Jan 24, 2023

Rice Industry Loses Longtime Colleague
Rice Production Workshop
Effects of competition from CA weedy rice biotypes on a cultivated rice variety
2022 UC Rice Variety Trials
2022 Disease Observations
Insecticides for Armyworm Control
Summary of trials conducted between 2018-21
Choosing a medium grain variety
2021-2022 California Rice Acres by Variety
Rice Regulatory Updates

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Rice Notes - November 2022

Nov 10, 2022

Rice Crop Rotation Tool
Looking back at 2022
High Night time Temperatures Partially to Blame for Increased Chalk and Decreased Milling
New smart insect pest detection technology for agricultural and food products
2022 Pest Review
2022 Delta Rice Recap

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Download (1,679KB PDF)

Rice Notes - July 2022

Jul 19, 2022

2022 Rice Field Day!
Challenges and Opportunities for US Organic Rice
Herbicide Susceptibility Survey of Watergrass (Echinochloa spp.) in California Rice
Germination of stored seed
Weedy Rice Scouting and Reporting 2022

Download (545KB PDF)

Rice Notes - April 2022

Apr 15, 2022

Fertility consideration going into 2022
Managing tadpole shrimp
Watergrass Control Options Based on Herbicide Resistance Status
Determining the Herbicide-Resistance in Grower Fields is a Key for Successful Weed Control in Rice
California Cooperative Rice Research Foundation Retools Rice Experiment Station for 2022

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Rice Notes - February 2022

Jan 28, 2022

IPM Rice Workgroup Meeting
Rice Grower Meetings - New Dates!
Summary of 2021 UC Variety Rice Trials
Tadpole shrimp management: Moving beyond pyrethroids
Watergrass Herbicide Screening: 2021 Results
Herbicide Trial in Delta Drill - Seeded Rice - 2021

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Download (1,788KB PDF)

Rice Notes - November 2021

Nov 4, 2021

Save the Date: 2022 Annual Grower Meetings
Weedy rice: Survey and Season Wrap-up
Managing rice straw when winter flood water is uncertain
2021 Rice Seed Report
2021 Delta Rice Recap
Arthropod and Disease Update
IPM Work Group Membership

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Download (1,059KB PDF)

Rice Notes - July 2021

Jul 9, 2021

Weedy Rice Workshop: 2021
Mid-season arthropod and disease update
2021 Season Update
Propanil 101: Do's and Don'ts
Annual California Rice Field Day

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Download (449KB PDF)

Rice Notes - April 2021

Apr 7, 2021

Weeds to Watch Out for in 2021
Fertility considerations going into 2021
Looking for M-210 fields in Glenn and Butte Counties
Factors affecting crop rotation for rice growers
Herbicide Trial in Delta Drill - Seeded Rice
Tadpole shrimp: How resistant are they to pyrethroids? We are looking for fields!
Managing Rice with Limited Water

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Download (8,620KB PDF)

Rice Notes - January 2021

Jan 25, 2021

Preliminary Herbicide Screening in Watergrass
Rice Variety Trials
2020 Rice Update
Thiobencarb
Pesticide Water Management

UC COOPERATIVE EXTENSION

presents

2021 Rice Growers Meeting

February 11, 2021 | 9 am - 12 pm

Virtual Via Zoom

$10 Fee

Register here

Continuing Education Units applied for from CA Department of Pesticide Regulation (DPR) and Certified Crop Advisers (CCA).

Contact anrprogramsupport@ucanr.edu or call (530) 750-1361 for more information

Download (1,658KB PDF)

UCCE Virtual Webinars

Join us in our first series of virtual webinars!

Integrated Weed

Management in Rice Systems

Whitney Brim-DeForest, UCCE Rice and Wild Rice Advisor

September 30 | 3-4pm

Register here!

Questions? Contact the UCCE Sutter-Yuba Office at 530-822-7515

CEC Pending

Download (233KB PDF)

Collecting Watergrass Seed: Field Submissions Needed! August 11, 2020

Aug 12, 2020

Collecting Watergrass Seed: Field Submissions Needed!

The UCCE Rice Team is conducting a field survey to collect watergrass samples over the next few weeks.

For more information, and if you are interested in having us come out and sample your field(s), please contact Whitney Brim-DeForest (email wbrimdeforest@ucanr.edu or call 541-292-1553)

https://conta.cc/3ajLJrB

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Download (436KB PDF)

California Rice Virtual Field Day - August 26, 2020

Aug 7, 2020

California Rice Virtual Field Day

When: August 26, 2020, 1:00 - 3:00 pm

Where: Online Zoom Webinar

Host: Whitney Brim Deforest, UC ANR County Director,

Sutter and Yuba Counties and CE Rice and Wild Rice Advisor

Registration: $20.00

The full agenda can be viewed here.

Register Here

The field day is open to the public.

Download (103KB PDF)

Rice Notes - July 2020

Jun 25, 2020

New California Rice Herbicide Available in 2020: RebelEX®
effect of armyworm defoliation on rice yield
What do you get from NDVI reading

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Rice Notes - April 2020

Apr 7, 2020

UCCE Working Remotely
Summary of 2019 University of California Rice Variety Trials
Weeds to watch out for in 2020
Fungicide Treatment Timings for Control of Rice Diseases
Think about your potassium fertilizer needs
Herbicide Trial in Delta Drill-Seeded Rice

Download (848KB PDF)

Rice Notes - December 2019

Dec 16, 2019

2020 Annual Rice Grower Meetings
Genetics and possible origins of weedy rice

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Download (743KB PDF)

Rice Weed Course 2019 - Meeting Reminder

Sep 4, 2019

2019 Rice Weed Course

Friday, September 6, 2019

8:00am - 4:10pm (Registration begins at 7:30am)

Hamilton Road Field (on West Hamilton Rd. between Hwy 99 & Riceton Hwy)

and Rice Experiment Station, Biggs, CA

The course will include a hands-on weed identification session on emerging and mature weeds. In the afternoon, speakers will address several pertinent topics in CA rice. Including algae, weedy rice, regulatory update, best management for grasses, and how to construct a weed management program. This is a great opportunity to interact directly with the UCCE and UC Davis Rice Weed Research Team.

For a full agenda and registration click here.

Credits for PCA, QAC, QAL, Private Applicator: 6.0 other, 0.5 laws

CA Certified Crop Advisor: 6.0 IPM

Download (368KB PDF)

Rice Notes - August 2019

Aug 19, 2019

2019 Rice Weed Course
2019 Annual Rice Field Day
2019 UCCE Rice Yield Contest
Collecting weed seeds for herbicide - resistance testing
2019 Armyworm Update
Weedy Rice Scouting and Reporting
Alligatorweed spotting in Butte County

Download (2,492KB PDF)

Rice Weed Course 2019

Aug 14, 2019

2019 Rice Weed Course

Friday, September 6, 2019

8:00am - 4:10pm (Registration begins at 7:30am)

Hamilton Road Field (on West Hamilton Rd. between Hwy 99 & Riceton Hwy)

and Rice Experiment Station, Biggs, CA

The course will include a hands-on weed identification session on emerging and mature weeds. In the afternoon, speakers will address several pertinent topics in CA rice, including algae, weedy rice, regulatory update, best management for grasses, and how to construct a weed management program. This is a great opportunity to interact directly with the UCCE and UC David Rice Weed Research Team.

For a full agenda and registration click here.

Download (368KB PDF)

Weedy Rice Workshop Announcement - Registration Reminder

Jul 25, 2019

Weedy Rice Workshop

10:00 am - 12:00 pm followed by lunch

August 1st, 2019

Colusa Casino Chairman's Room

Registration: FREE, but required for a headcount

Agenda

9:30 Doors Open, Sign In

10:00 – 12:00 Presentations

Introduction and Update on Weedy Rice Distribution
Regulatory Update
Rice Seed Quality Assurance Program Update
Weedy Rice Biology, Ecology, Genetics, and Identification
Effect of Weedy Rice on Plant Growth and Yield

12:00 Lunch

Register online at the UC Rice Online website

Enrollment is limited to 50 participants, so please enroll early. Seats will be filled on a first-come basis.

Download (437KB PDF)

Weedy Rice Workshop Announcement - With Registration

Jul 11, 2019

Weedy Rice Workshop

10:00 am - 12:00 pm followed by lunch

August 1st, 2019

Colusa Casino Chairman's Room

Registration: FREE, but required for a headcount

Topics include: To hear in-depth updates on the latest research on weedy rice in California, and to give growers and PCAs a chance to ask questions and discuss progress in managing this pest.

Register online at the UC Rice Online website

Enrollment is limited to 50 participants, so please enroll early. Seats will be filled on a first-come basis.

Download (437KB PDF)

Rice Notes - June, 2019

Jun 10, 2019

Weedy Rice Workshop
A few thoughts on disease management for 2019
Weed Management 2019 Season
Managing nitrogen fertilizer when the weather does not cooperate

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Download (437KB PDF)

Fava bean Nitrogen Fixation Trial Field Day

Mar 20, 2019

Fava bean Nitrogen Fixation Trial Field Day

Friday, March 22 - 10:00 am - 12:00 pm

Lundberg Family Farm, 5311 Midway, Richvale, CA

In California, fava bean is largely grown as winter cover crop to protect the soil and add to soil nitrogen. In this field day event, several speakers will talk about the benefits and selection of cover crops for different cropping systems. We will also demonstrate a field trial that aims to identify fava bean genotypes with enhanced nitrogen fixation.

All welcome. There is no registration, but we would appreciate an email to Hossein Zakeri: hzakeri@csuchico.edu for headcount. Fore more information contact: Lundberg Farm @ 530-538-3500

Download (385KB PDF)

Rice Notes - March, 2019

Mar 8, 2019

Weedy Rice: 2018 season wrap-up and looking ahead for 2019
Summary of 2018 University of California Rice Variety
Tiliage for weed management in a good water year
Change in UCCE Rice Advisor County Assignment

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Download (598KB PDF)

Meeting Announcement - December 2018

Dec 4, 2018

2019 Annual Rice Growers Meeting

Sponsored by UC Cooperative Extension

---------------5 Locations-----------

WHERE & WHEN

Richvale: Thursday, Jan. 17, 8:30am, Evangelical Church, 5219 Church St., Richvale

Glenn: Thursday, Jan. 17, 1:30pm, Glenn Pheasant Hall, 1522 Hwy 45, south of Glenn

Colusa: Friday, Jan. 18, 8:30am, Colusa Casino Resort, 3770 Hwy 45, Colusa

Marysville: Friday, Jan 18, 1:30pm, Yuba County Government Center, 915 8th St. Marysville

Woodland: Tuesday, Jan. 22, 8:30am, Cracchiolo's Market, 1320 E. Main St. Woodland

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Download (353KB PDF)

Rice Notes - August, 2018

Aug 17, 2018

UCCE Rice Field Day
2018 UCCE Rice Yield Contest
New Watergrass Species: Be on the lookout!
Testing for Suspected Herbicide Resistance
Management of stem rot

Download (870KB PDF)

Rice Notes - July, 2018

Jun 29, 2018

UCCE Rice Production Workshop
A weed problem all rice growers should be aware of: Weedy Rice
Another field with the suspected new weed species: Sutter County!
Planting progress for rice in 2018
Weed Control in Rice: Matching Herbicides with the Weeds of Your Field

Download (437KB PDF)

Rice Notes - April, 2018

Apr 5, 2018

Upcoming Meetings
Lookout for New Weed Species!
Update on Early Season Arthropod Management
2018 Yield Contest
Armyworms 2018: Get Ready
Useful Websites

Download (498KB PDF)

Meeting Announcement - December 2017

Dec 15, 2017

2018 Annual Rice Grower Meetings

Sponsored by UC Cooperative Extension

WHERE & WHEN

Woodland: Tuesday, Jan. 16, 1:30 pm, Cracchiolo’s Market, 1320 E. Main St., Woodland

Richvale: Wednesday, Jan. 17, 8:30 am, Evangelical Church, 5219 Church St., Richvale

Glenn: Wednesday, Jan. 17, 1:30 pm, Glenn County Office of Ed, 311 South Villa Avenue, Willows

Colusa: Friday, Jan. 19, 8:30 am, Colusa Casino Resort, 3770 Hwy 45, Colusa

Yuba City: Friday, Jan. 19, 1:30 pm, Veterans Hall, 1425 Veterans Memorial Circle, Yuba City

Download (200KB PDF)

Rice Notes - November 2017

Nov 17, 2017

Upcoming Meetings
2017 Season Wrap-up
2017 Delta Rice Recap
Armyworms in 2017
Useful Websites

Download (1,177KB PDF)

Rice Notes - August, 2017

Aug 4, 2017

2017 Rice Field Day
Rice Disease Update
Time for Weedy Rice Scouting
Herbicide Resistance in Rice
UCCE Field Contest
2nd Annual Rice Weed Course

Download (215KB PDF)

Weedy Rice Workshop

Jul 13, 2017

Weedy Rice Workshop

August 9, 2017, 9:00am – 12:00pm

New Earth Market, 1475 Tharp Road, Yuba City, CA 95993

August 10, 2017, 9:00am – 12:00pm

Colusa Casino, 3770 Hwy. 45, Colusa, CA 95932

Download (154KB PDF)

Rice Notes - June, 2017

Jun 5, 2017

Save the Dates!
Cass Mutters Retires!
Nitrogen and Water Management
Armyworms Revisited
How to Select a Follow-up Herbicide
2017 Yield Contest
Grow Rice? Help Birds!
Useful Websites
Rice Weed Course

Download (521KB PDF)

Rice Notes, Special Edition - April, 2017

Apr 24, 2017

Managing rice in a late planted year

Download (426KB PDF)

Rice Notes - April, 2017

Mar 29, 2017

How does Herbicide Resistance Evolve? An Illustrated Guide
Summary of 2016 University of California Rice Variety Trials
Biological Characteristics of Weedy Rice Compared to Cultivated Rice
Useful Websites

Download (1,765KB PDF)

Meeting Announcement - Email Extra March 2017

Mar 22, 2017

Insect Pest Management in Rice Mills and Rice Storage Facilities

Optimizing Insect Control and Grain Quality

Wednesday, April 5 | 9:00 am - 3:00 pm, lunch will be provided

Lundberg Family Farms

5311 Midway

Richvale, CA 95974

Register online at http://ucanr.edu/2017ricemillworkshop

Registration is free. Please register before April 1st to ensure participation. Seats will will be filled on a first-come basis.

For more information, contact Luis Espino, University of California Cooperative Extension (530-635-6234,laespino@ucanr.edu) or Jim Stewart, Lundberg Family Farms (530-538-3500).

Download (648KB PDF)

2017 Annual Rice Grower Meetings

Dec 27, 2016

2017 Annual Rice Grower Meetings

Sponsored by UC Cooperative Extension

-------------- 4 Locations --------------

WHERE & WHEN

Richvale - January 26th, 8:30 am, Evangelical Church

Glenn - January 26th, 1:30 pm, Gleen County Office of Education

Colusa - January 27th, 8:30 am, Colusa Casino Resort

Yuba City - January 27th, 1:30 pm, Yuba City Veterans Hall

Time: AM Meeting - Doors Open at 8:00 am and start at 8:30

PM Meeting - Doors Open at 1:00 pm and start at 1:30

***Applied for DPR and CCA CE credits***

Download (675KB PDF)

Rice Notes - November 2016

Nov 1, 2016

Save the Dates!
Weedy Rice Update
1st Annual Rice Weed Course Results: Can we correctly identify rice field weeds?
2016 Armyworm Wrap Up
Useful Websites

Save the Dates!

CAPCA Sutter-Yuba Chapter Lunch - Friday, December 16, 2016 - 12:00 pm - 1:30 pm, location TBD
UCCE Winter Rice Grower Meetings
1. January 26, 2017: Richvale & Glenn
2. January 27, 2017: Colusa & Yuba City

Download (1,681KB PDF)

UCCE Rice Weed Course 2016

Aug 4, 2016

Rice Weed Course 2016
2016 California Rice Field Day
2016 Rice Yield Contest

Download (420KB PDF)

Rice Notes - July, 2016

Jul 6, 2016

Upcoming Meetings
Meet our New Rice Advisor!
Emerging Weed Issues
Useful Websites
Rice Conservation Program
Testing for Suspected Herbicide Resistance

Upcoming Meetings:

August 31st - 2016 California Rice Field Day
September 16th - Rice Weed Course

Download (2,267KB PDF)

2016 Annual Rice Grower Meetings

Jan 6, 2016

WHERE & WHEN

Richvale:

Tuesday, Jan. 19, 8:30am, Evangelical Church, 5219 Church St., Richvale

Glenn:

Tuesday, Jan. 19, 1:30pm, Glenn Pheasant Hall, 1522 Highway 45, south of Glenn

Colusa:

Wednesday, Jan. 20, 8:30am, CIP Conference Room, 100 Sunrise Blvd., Colusa

Yuba City:

Wednesday, Jan. 20, 1:30pm, Veterans Hall, 1425 Veterans Memorial Circle, Yuba City

TIME:

Doors open at 8:00am and meetings start at 8:30am at Richvale and Colusa

Doors open at 1:00pm and meetings start at 1:30pm at Glenn and Yuba City

Download (345KB PDF)

UCCE Rice Production Workshop 2015

Jun 22, 2015

An in-depth workshop that covers the principles and practices of rice production.

Friday, July 24, 2015, 8:30am - 3:00pm

The Refuge Restaurant

1501 Butte House Road

Yuba City, CA 95993

Download (506KB PDF)

Meeting Announcement - Stored Pest Mgmt in Rice Mills

Mar 6, 2015

Stored Product Insect Pest Management in Rice Mills and Storage Facilities

Workshop

April 7, 2015

9:00 am – 3:00 pm

Lundberg Family Farms

5311 Midway

Richvale, CA 95974

Register on-line at http://ucanr.edu/2015ricemillworkshop

Registration is free. Please register before April 1^st to ensure participation. Seats will be filled on a first-come basis. Lunch will be provided.

****Applied for DPR CE credits****

For more information, contact Luis Espino, University of California Cooperative Extension (530-458-0578, laespino@ucanr.edu) or Jim Stewart, Lundberg Family Farms (530-538-3500).

Download (365KB PDF)

Rice Briefs - February 2015

Feb 26, 2015

Summary of 2014 University of CA Rice Variety Trials
Managing rice with limited water

Download (648KB PDF)

Meeting Announcement - Rice - January 2015

Jan 7, 2015

2015 Annual Rice Grower Meetings

**** 4 Locations ****

Tuesday, January 20 and Friday, January 23, 2015

Download (769KB PDF)

Rice Notes - August 2014

Jul 29, 2014

Rice Field Day - Wednesday, August 27, 2014!
Water management to Mitigate Blanking
Rice Yield Components
Rice Strawlage
Planning Harvest

Download (1,117KB PDF)

Rice Straw - A New Method to Get Through a Drought Meeting

Jul 14, 2014

Rice Straw - A New Method to Get Through a Drought Meeting

Download (182KB PDF)

Rice Notes - June 2014

Jun 24, 2014

Management of Propanil Resistant Sedges
Midseason Nitrogen Fertilizer
Bird Habitat Program
Factors Related to Rice Blast Incidence and Severity
Chris Greer Appointed Vice Provost

Download (1,383KB PDF)

Be a Scientist for a Day!

May 8, 2014

Please take a look at the attached letter and flyer for more information on how to participate in our May 8th, Be a Scientist for a Day!

Download (3,418KB PDF)

Rice Notes - April 2014

Apr 21, 2014

Managing rice with limited water
Flooding time and seeding pests
Stay up-to-date with the UC Rice Blog

Download (249KB PDF)

Rice Notes - January 2014

Jan 14, 2014

Meeting Announcement:

2014 Annual Rice Grower Meetings

WHERE & WHEN

Richvale: Monday, Jan. 27, 8:00 am, Evangelical Church, 5219 Church St., Richvale

Glenn: Monday, Jan. 27, 1:00 pm, Glenn Pheasant Hall, 1522 Highway 45, south of Glenn

Colusa: Friday, Jan. 31, 8:00 am, CIP Conference Room, 100 Sunrise Blvd., Colusa

Yuba City: Friday, Jan. 31, 1:00 pm, Veterans Hall, 1425 Veterans Memorial Circle, Yuba City

TIME:

Doors open at 8:00 am and meetings start at 8:30 am at Richvale and Colusa.

Doors open at 1:00 pm and meetings start at 1:30 pm at Glenn and Yuba City.

Download (687KB PDF)

Rice Notes - August 2013

Aug 12, 2013

Rice Field Day!

Wednesday, August 28, 2013

Download (185KB PDF)

2013 Rice Production Workshop

Jul 3, 2013

UCCE Rice Production Workshop

An in-depth workshop that covers the principles and practices of rice production

Thursday, July 25, 2013

Lundberg Family Farms

5311 Midway, Richvale, CA 95974

8:30am - 3:00pm

Download (539KB PDF)

Rice Notes - January 2013

Jan 4, 2013

2013 UCCE Annual Rice Grower Meetings

****4 Locations ****

Richvale - January 28, 2013

Yuba City Program - January 28, 2013

Colusa - February 5, 2013

Glenn - February 5, 2013

Download (182KB PDF)

Rice Notes - August 2012

Aug 15, 2012

Rice Experiment Station Centennial Celebration
Propanil-Resistant Smallflower Umbella Sedge
Armyworms in Rice

Dec 28, 2007

Download (PDF)

July 2007 Rice Notes

Jul 15, 2008

2007 Annual California Rice Field Day August 29, 2007 Rice Cultural Systems and Water Quality Field Demonstration August 6, 2007

Download (PDF)

Jun 8, 2011

Annual Rice Growers Meeting Increasing Rice Quality, Agricultural Oil Waste Collection Program, Rice Certification Act Update, Bakanae Disease, Water Temperature Effects on Rice, Rice Research in Asia, Preventing West Nile Virus, Cerano 1.5 CE credits applied for