Sacramento Valley Walnut News

UCCE Virtual Walnut Series
Orchard Management Considerations
New walnut variety "UC Wolfskill" released
Pulling the trigger for the start of irrigation in the spring: Too much too soon for walnuts?
New Staff Research Association Introduction
Tree and Vine Crop Herbicide chart - Updated 2021

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Sacramento Valley Walnut News - Winter 2021

Jan 28, 2021

UCCE Virtual Walnut Series
Walnut Winter Management
What new research into carbohydrates is teaching us about California orchards

UCCE Virtual Walnut Series

February 16 and 17, 2021 | 9:00 am - 12:00 pm

Register at: ucanr.edu/walnutstatewide

Topics include: Varieties, rootstock, irrigation, nitrogen management, orchard

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Sacramento Valley Walnut News - Fall, 2020

Sep 11, 2020

Fall Walnut Orchard Management Considerations
Tree and Orchard Replanting Considerations in a Lean Price Year
Walnut Cultivar Table
Selecting the Right Clonal Walnut Rootstock for Managing Soil and Pest Problems
Allan Fulton, Irrigation/Walter Advisor Retires

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Sacramento Valley Walnut News - Summer 2020

Jun 25, 2020

Pre-Harvest Walnut Orchard Management
Managing Mold in Walnut
Ethephon in Straggled Leaf-Out, Lean Price Year
Managing walnut orchards for insect-eating birds
Advisor Farewell

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2020 Herbicide Chart

Mar 27, 2020

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Sacramento Valley Walnut News - Spring 2020

Mar 27, 2020

UCCE Working Remotely

What Rootstock Would You Choose? Tell Us.

Orchard Management Considerations: Budbreak through Early Summer

Preparing for Extreme Events:Spring Frost

Irrigation with Roots in Mind

Walnut: Bactericide & Fungicide Efficacy

Herbicide chart update

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Sacramento Valley Walnut News - Winter 2020

Jan 24, 2020

2020 UCCE Sacramento Valley Walnut Meetings
Winter Pest & Weed Management Considerations
Preparing for Extreme Events: Floods and Drought
Young Orchard Weed Management
New EPA Paraquat Restrictions
Pre-Season Airblast Sprayer Calibration
Navigating Irrigation Technology Overload

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Sacramento Valley Walnut News - Fall, 2019

Sep 4, 2019

2019 IPM Breakfast Meeting
Post-Harvest Almond and Walnut IPM Workshop
Fall and Winter Walnut Management Considerations
Preparing for extreme events: Freeze and Fire
Increase Your Return on Investment with Post-Harvest Weed Scouting
Wishing a Fond Farewell

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Cover Cropping in Nut Orchards

Aug 2, 2019

Community Alliance with Family Farmers (CAFF) & the Farmers Guild invite you to a cover crop field day.

Wednesday, August 28, 2019 - 9:00 am - 12:00 pm

Davis Ranches, Sycamore Slough Rd, Colusa

(Detailed directions provided with RSVP)

RSVP Required:

Please RSVP via Eventbright or by contacting emily@caff.org or at (925) 719-3379

Focus: Information sharing among growers and technical advisers regarding cover crops in Colusa County with particular attention on integrating cover crop into the management and seed selection

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Email Extra - MFP Grower Payments - CWC Handler Bulletin

Jul 25, 2019

Walnut Growers:

We are sending this email extra because the California Walnut Board and Commission wanted to make it widely known to walnut growers that the USDA announced details of the Market Facilitation Program which provides for payments to walnut growers.

Attached you will find the details on eligibility, payment calculation and how to apply. Please spread the word to other walnut growers who may not be on this email list.

Submitted by,

Janine Hasey

UCCE Farm Advisor Emeritus

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Sacramento Valley Walnut News - Summer 2019

Jun 17, 2019

Walnut Orchard Management
Cost and Expense Considerations in a Lean Price Year:
- IPM on a Budget - Cost Savings Strategies for Insect & Mite Management
- Maximizing walnut quality to improve value in a low-price year
- Should You Use Ethephon in a Lean Price Year?
Autumn Freeze Event and Spring Regrowth Update
Advisor Retiring
IPM Breakfast Meetings

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Sacramento Valley Walnut News - Spring 2019

Mar 19, 2019

Orchard Management Considerations: Budbreak through Early Summer
2019 IPM Breakfast Meetings
Walnut Blight Management in 2019
Revisiting Your Codling Moth IPM Program in a Lean Crop Year
Pulling the trigger for the state of irrigation in the spring: Too much too soon for walnuts?
Tree and Vine Crop Herbicide Chart 2019

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Sacramento Valley Walnut News - Winter, 2019

Jan 3, 2019

2019 UCCE Winter Walnut Meetings
Scale Pest, Navel Orangeworm, and Flatheaded Borers
Cost and Expense Considerations in a Lean Price Year
Tracking Winter Irrigation Needs
Updated Walnut Cost Study
2019 IPM Breakfast Meetings
Growing the Valley Podcast: Walnut episodes posted!

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Sacramento Valley Walnut News - Late Summer/Fall, 2018

Aug 22, 2018

2018 Walnut Production Short Course
Post-Harvest Almond and Walnut IPM Workshop
2019 Winter Walnut Meetings
Fall Orchard Management Considerations
Pruning with BOT Infections in Mind
Optimizing Your Orchard Spacing
Impacts and Recovery of Walnuts from 2017 Flooding

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Sacramento Valley Walnut News - Summer 2018

Jun 11, 2018

Early Walnut Tree Training and How to Use a Pressure Chamber for Irrigation scheduling Workshop
IPM Meetings
Walnut Production Short Course
Walnut Orchard Management - June through August
Early Walnut Tree
Leaf symptoms of overwatering walnut trees
Growing the Valley Podcast

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Sacramento Valley Walnut News - Spring, 2018

Mar 9, 2018

2018 IPM Breakfast Meetings
Orchard Management Considerations
A New Tool in the Fight Against Blight
2018 Winter and Early Season Irrigation Considerations in Walnut
2017 Flood Damaged Trees - Research Results and What to Do this Spring
Tree and Vine Crop Herbicide Chart – Updated (2018)

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UCCE Sac Valley Post-Harvest Almond & Walnut IPM Meeting

Nov 9, 2017

Friday, November 17th, 2017, 8:00am – 12:00pm
Chico Veteran’s Memorial Hall, 554 Rio Lindo Avenue, Chico CA 95926

Download (1,407KB PDF)

UC IPM Almond & Walnut Harvest Evaluation

Sep 8, 2017

UC IPM Almond & Walnut Harvest Evaluation: Identifying Sources of Damage

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Sacramento Valley Walnut News - Late Summer/Fall, 2017

Sep 1, 2017

Fall Walnut Orchard Considerations
End of Season Flooded Orchard Damage Update
Considerations for Replanting a Walnut Orchard
Biofumigation Basics
2018 UCCE Winter Walnut Meetings

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Sacramento Valley Walnut News - Summer 2017

Jun 16, 2017

Upcoming IPM Breakfast Meetings

Farm Advisor Introduction

In-Season Walnut Production Considerations

Insect and Mite Updates - 2017

Flooded Orchard Damage Update and Management Considerations

Website Resource

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Sacramento Valley Walnut News - Spring 2017

Apr 4, 2017

Orchard Management Considerations: Budbreak through Early Summer
Walnut Blight Management
Monitoring Codling Moth in and Near Mating Disruption Orchards
Lastes on Managing Bot Canker and Blight in Walnut - 2016 Research Updates
Flooded Orchards: Past Experiences and What to Do in 2017
Upcoming Meetings
2017 Herbicide Chart

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Sacramento Valley Walnut News - Winter, 2016/2017

Dec 28, 2016

2017 UCCE Walnut Meetings
New Monthly IPM Breakfast Meetings
Sacramento Valley Orchard Source Website
Counting Winter Chill
NOW Update

Upcoming Walnut Meetings:

February 21st - Sutter-Yuba-Colusa Walnut Day
February 28th (AM) - Walnut (9th leaf) Pruning systems compared in No Pruning long term study & Bot pruning wound study Field Meeting
February 28th (PM) - Walnut (2nd leaf & 4th leaf) No Pruning/Variation of No Pruning/Pruning Grower Comparison Field Meeting

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Sacramento Valley Walnut News - Summer 2016

Jun 24, 2016

New Website Resource for Sac Valley Tree Crop Production
In-Season Walnut Production Considerations
Walnut Husk Fly Update 2016
Tipping the Scales to Favor Walnut Quality
Selecting the Right Clonal Rootstock for Managing Soil and Pest Problems
Are you Pushing Out a Chandler Orchard in the Next Year? Call Kat!

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Sacramento Valley Walnut News - Spring 2016

Mar 23, 2016

Orchard Management Considerations: Delayed Dormant through Early Summer
The Latest on Managing Bot Canker and Blight - 2015 Research Updates
Walnuts: When to Begin the Irrigation Season
New walnut variety 'Durham' released
Tree and Vine Crop Herbicide Chart

Download (1,715KB PDF)

Sacramento Valley Walnut News - Winter 2016

Jan 4, 2016

2016 UCCE Walnut Meetings
Pruning Under the Threat of Bot
Key to Navel Orangeworm Management - NOW is the Time
Training Young Walnut Trees: Minimum Pruning vs. No Pruning Compared
New Walnut Cost Study

Download (1,439KB PDF)

Sacramento Valley Walnut News - Late Summer/Fall 2015

Aug 12, 2015

Advances in Walnut Production Short Course
Late Summer and Fall Orchard Management Considerations
Using Ethephon for Earlier Harvest
Naval Orangeworm in Walnuts
Preparing Young Walnut Trees for Winter

Download (1,089KB PDF)

Sacramento Valley Walnut News - Spring, 2015

Mar 6, 2015

Advances in Walnut Production Short Course
Walnut Orchard IPM Activities
Walnut Blight Management
Preventing Walnut scale and Botryosphaeria canker and blight
Herbicide Chart

Download (1,068KB PDF)

Sacramento Valley Walnut News - Winter 2014

Dec 23, 2014

Upcoming UCCE Meetings
Walnut Year-Round IPM Plan and Winter Orchard Pest Management Activities
Walnut Orchards Planted in 2014 - What to do NOW?
Pistachio meeting information

SAVE THE DATES:

February 25th	Sutter-Yuba-Colusa-Yolo-Solano-Sacramento Walnut Day
March 3rd	Walnut (7 year olds) No Pruning/Pruning Comparison Field Meeting
March 3rd	Walnut (2 year olds) No Pruning/Pruning Comparison Field Meeting

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Sacramento Valley Walnut News - Fall 2014

Sep 16, 2014

Save the Date: Sutter-Yuba-Colusa 2015 Walnut Day, February 25th
Fall Walnut Orchard Management Considerations
How to Avoid Freeze Damage in Young Walnut Trees
Black Mushy Walnut Hulls - Possible Causes
Orchard Removal and Site Preparation for Walnut Planting
New UC Walnut Budding, Grafting and Planting Video Released
Sutter and Yuba County Walnut Theft Ordinance
Pistachio Meeting Information

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Sacramento Valley Walnut News - Summer 2014

Jul 1, 2014

New IPM Advisor
New Farm Advisor
Farm Advisor Retirement
Scale Identification and Lifecycles in Walnut Orchards
Walnut Husk Fly Trap and Low Volume Spray Study Update
Irrigation Management Tools for Developing Walnut Trees

Download (815KB PDF)

Sacramento Valley Walnut News - Spring 2014

Apr 8, 2014

California Walnut Research: moving the industry forward
New Farm Advisor Introduction
Understanding and Managing Botryosphaeria and Phomopsis Canker and Blight in Walnut
Watch for Early Insect Activity
Perspective on trends in orchard spacing, pruning and potential disease
Springtime Recovery from Winter Freeze Damage
Save the Date: Irrigation Scheduling & Drought Management Strategies meeting

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Sacramento Valley Walnut News - Winter 2013/2014

Dec 2, 2013

2014 Walnut Meetings
Managing Ground Squirrels and Pocket Gophers in Orchards
Winter Cold and Irrigation During Drought
Training Young Walnut Trees: Minimum Pruning vs. No Pruning Compared
Nitrogen Management Planning

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Sacramento Valley Walnut News - Summer/Fall 2013

Jul 11, 2013

Irrigation Management Tools for Developing Walnut Trees
Walnut Husk Fly Trap Study
Howard Nut Drop
Ethephon Use Considerations in the Sacramento Valley

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Sacramento Valley Walnut News - Spring 2013

Mar 25, 2013

2013 Walnut Blight Management
Spacing Walnuts for Optimum Light Interception and Production
Guidelines for Handling Potted Walnut Clonal Rootstock Plants
New Walnut Variety 'Solano' Released
Walnut Hush Fly Meeting

Download (1,301KB PDF)

2013 Walnut Trade Show

Jan 11, 2013

Walnut Trade Show

Monday, January 14^th 2013

Yuba-Sutter Fairgrounds Main Exhibit Hall, 442 Franklin Avenue Yuba City, CA

Educational Seminars, Equipment, Technology, and Innovations

(1 hour of DPR CE credit, approved)

Download (98KB PDF)

Sacramento Valley Walnut News - Fall/Winter 2012

Sep 25, 2012

Management of First Year Walnut Trees in Fall and Spring
Orchard Removal and Site Preparation for Walnut Planting
Points to Consider in the Prevention of Crown Gall
Diagnosing and Managing Branch Wilt Disease
Guidelines for Handling and Planting Bareroot Walnut Nursery Trees
UCCE Online Giving
Newsletter Delivery
UC Publications

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Sacramento Valley Walnut News - Summer 2012

Jul 13, 2012

Anthracnose, Botryosphaeria, and Phomopsis in Walnut - Updates
2012 Walnut Blight
Orchard Management Impacts on Walnut Quality
New Walnut Costs Study for the Sacramento Valley
Advisor Retirement and New Position Proposals
New Sutter County CIMIS Weather Station
Newsletter Delivery

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Sacramento Valley Walnut News - Spring 2012

Feb 27, 2012

Walnut Blight Management
Training and Pruning Young Walnut Trees
Description of the Three Training/Pruning Styles Compared in the Chandler Hedgerow Trial
Tools for Weed Management Decisions in Orchard Crops
California Herbicide Registration on Horticulture Tree and Vine Crops
Walnut Pruning Field Meeting

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Sacramento Valley Walnut News - Fall 2011

Sep 16, 2011

The Science (and Art) of Ethephon Use on Walnut
Additional Ethephon Use Considerations in the Sacramento Valley
Considerations When Replanting Individual Trees in a Walnut Orchard
How Traps Are Used to Monitor Walnut Husk Fly
Walnut Huller and Dehydrator Food Safety Good manufacturing Practices (GMP) Checklist
Useful Websites Related to Walnut Production

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Sacramento Valley Walnut News - Summer 2011

Aug 3, 2011

Howard Nut Drop
Codling Moth - The 2011 Season
Movento ® (Spirotetramat) as a Nematicide
Update on New Walnut Varieties: Forde, Gillet, and Sexton
Preparing Young Walnut Trees for Winter

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Spring 2011 Sacramento Valley Walnut News

Mar 18, 2011

- Gopher & Ground Squirrel Control Field Meeting. - Orchard Floor Management Field Day. - Walnut Blight Management Using Bud Population Information. - Section 18 for Manzate Flowable and Pro-Stick Fungicide. - Incidents of Walnut Scale are Increasing. - Clonal Paradox Walnut Rootstocks and Pest Interactions Update. - Ivanhoe Walnut Blight Update. - Frost/Weather Forecasting Resources. - Early Season Ground Squirrel Management. - Final Chilling Hours. - Weed Gallery Website.

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Fall 2010 Sacramento Valley Walnut News

Sep 8, 2010

Using Ethephon to Accelerate and Enhance Harvest in 2010 Preparing Young Walnut Trees for Winter Controlling Glyphosate-Resistant Weeds in Orchards with Rely Potassium Deficiency in Walnuts Common Causes and Photos of Yellowing Walnut Trees

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Summer 2010 Sacramento Valley Walnut News

Jun 3, 2010

Walnut Husk Fly Meeting Orchard Management Impacts on Walnut Quality Codling Moth Management New Early Harvesting Cultivar 'Ivanhoe' Released Ivanhoe Local Observations Botryosphaeria and Phomopsis Cankers of Walnuts in California 2010 Walnut Dehydrator Workshops

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Spring 2010 Sacramento Valley Walnut News

Mar 23, 2010

* Comparing Retain® and Hold™ for Reducing PFA and Increasing Yield in 'Serr' Walnut * Managing Phytophthora in Walnuts * Winter Freeze Damange - Spring Recovery * Spring Frost? * Walnut Blight Management Update * New Cost Study on Hulling and Drying Walnuts and Dehydrator Workshop * Walnut Research Reports are Available On-line * Walnut Blight Control Experience over the last 20 years

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2009 July Summer_Fall Sac Valley Walnut News

Jul 24, 2009

*Field Meeting August 6th: Managing Codling Moth in Walnuts Using Pheromone Mating Disruption Continue Watching for Aphid and Spider Mite Infestations Crown Gall Treatment Fast Facts about Ethephon Use on Walnuts Best Management of Replant Alternative Fumigants

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Spring 2009 Sacramento Valley Walnut News

May 21, 2009

Soil Testing and Analysis: What to Expect in the Report Kaolin Particle Film Application for Walnut "Good Neighbor Program" Compatibility between Codling Moth Control Methods Walnut Scale

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Winter 2008 Sacramento Valley Walnut News

Dec 10, 2008

Managing Walnuts for Cold Temperatures Winter Irrigation During Drought Guidelines for Planting Walnuts Pruning Tips for One and Two Year Old Walnut Trees Manex-The Rest of the Story 2009 Grower Meeting Schedule

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Fall 2008 Sacramento Valley Walnut News

Aug 15, 2008

Managing Walnut Harvest for Quality Site Preparation for Walnut Planting Fumigatrion Guidelines Planting a Successful Annual Reseeding Cover Crop Why Are Some Individual Young Walnut Trees Turning Yellow and Not Growing? Upcoming Field Meeting: Cover Crop Seeding Demonstration

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Summer 2008 Sacramento Valley Walnut News

Aug 15, 2008

Codling Moth Management Walnut Husk Fly Biology, Monitoring and Spray Timing Be Watching for Spider Mites or Aphid Infestations July-Time for Leaf Analysis Walnut Grower Feferendum Funding Available for Illegal Dumping on Sutter County Farms Watershed Coalition Codling Moth Management in Walnut Meeting

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Spring 2008 Sacramento Valley Walnut News

Aug 15, 2008

New Walnut Rootstocks and Pest Interac tions Walnut Blight Control Spring Fertilization for Walnuts Guidelines for Care of Young Walnuts from Planting through the First Season Managing Pistillate Flower Abortion (PFA) in Walnuts with the Use of Retain

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