Walnut Notes

• Winter Walnut Management Resources
• 2024 Meetings
• Winter Chill, Dormancy and Walnut Management
• Fungicide Efficacy

• Meeting Save the Dates
• Trees-to- tomatoes
• Walnut Variety Trial Introduction
• New Advisor Introduction

• Fall Walnut Considerations
• Minimize Potential Sudden Autumn Freeze Damage
• Plant Cover Crops Now to Prepare for Another Wet Winter
• “Field Visit: Nematode Management in Walnut” was held in Escalon, CA

• New Summer Management Considerations
• New Orchard Advisor!

• New Orchard Advisor
• Walnut Management Considerations
• Healthy Orchards with a Careful Approach to Irrigation
• Thinking About Skipping or Shorting Nitrogen This Year?
• Prioritizing Sprays When You Can’t Afford Them All
• Strategies for orchard weed management hard economic situations
• Tree and Vine Crop Herbicide Chart

• Walnut Winter Management Considerations
• Vegetation for Infiltration
• 2022 Walnut Crop Loss and Poor Nut Quality – What happened?
• Winter Chill, Dormancy and Walnut Management
• New Orchard Advisor
• Follow us on Twitter!

• Time for a Hard Look
• Upcoming Orchard Meetings
• Walnut Management Considerations
• Six Steps to Prepare for the Next Sudden Autumn Freeze
• New IPM advisor introduction
• NOW pre & post-harvest
• Follow us on Twitter!

• Walnut Management Considerations
• Mid to Late- season Drought Strategies for Walnut Orchards
• Managing Mold in Walnut, 2022 Update
• New Staff Research Associate
• Follow us on Twitter!
• Growing the Valley Podcast

• Walnut Management Considerations
• Walnut Blight Management Update
• Selecting the Best Walnut Rootstock for Your Situation
• Walnut fungicide and bactericide efficacy tables
• Follow us on Twitter!
• Tree and Vine Crop Herbicide Chart

• Walnut Freeze Damage Survey
• Sacramento Valley Tree Crop IPM Webinar
• UCCE Walnut Freeze Webinar
• Orchard Management Considerations
• Five Steps to Prepare for the Next Sudden Autumn Freeze
• Fall Walnut IPM- Looking Back and Looking Forward
• New Advisor Introduction
• Announcing the UCCE Central Valley Pistachio News
• Growing the Valley Podcast for the Latest on UC Orchard Research

• 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 Associate Introduction
• Tree and Vine Crop Herbicide Chart – Updated (2021)
• WALNUT: BACTERICIDE AND FUNGICIDE EFFICACY – Conventional Chemistries
• Herbicide Registration on California Tree and Vine Crops

• Orchard Walnut Orchard Management-July & August 2021
• Drought Strategies for Walnut Orchards
• 2020 Walnut Freeze: Road to Recovery
• Managing Mold in Walnut
• New Staff Research Associate Introduction
• Listen to the Growing the Valley Podcast for the Latest on UC Orchard Research
• Butte Co. Orchard Newsletters are Online: Are your friends receiving them?

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

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

• Advisor Farewell
• 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

• Advisor Farewell
• Pre-Harvest Walnut Orchard Management
• Managing Mold in Walnut
• Ethephon in a Straggled Leaf-Out, Lean Price Year
• Managing Walnut Orchards for Insect-Eating Birds

• UCCE Working Remotely
• What Rootstock Would You Choose? Tell Us.
• Orchard Management Considerations
• Preparing for Extreme Events: Spring Frost
• Irrigation with Roots in Mind
• Walnut: Bactericide & Fungicide Efficacy (2020)
• Herbicide chart update

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

• Advisor Departing
• Newsletters are going online!
• 2019 IPM Breakfast Meetings
• Post-Harvest Almond & 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

• Advisor Retiring
• Walnut Orchard Management – June through August 2019
• IPM on a Budget – Cost Saving 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
• 2019 IPM Breakfast Meetings

• 2019 UCCE Winter Walnut Meetings
• Newsletters are going online!
• 2019 IPM Breakfast Meetings
• Orchard Management Considerations
• Walnut Blight Management
• Codling Moth IPM Program in a Lean Crop Year
• Updated Walnut Cost Study
• Start of irrigation in the spring
• Tree and Vine Crop Herbicide Chart

• 2019 UCCE Winter Walnut Meetings
• Newsletters are going online!
• 2019 IPM Breakfast Meetings
• Growing the Valley Podcast
• Scale Pests, NOW, and Flatheaded Borers
• Cost and Expense Considerations in a Lean Price Year
• Tracking Winter Irrigation Needs
• Updated Walnut Cost Study

• 2018 IPM Breakfast Meetings
• 3^rd Annual Harvest IPM Workshop
• Newsletters are going online!
• 2018 Advances in Walnut Production Short Course
• 2019 UCCE Winter Walnut Meetings
• Fall Orchard Management Considerations
• Pruning with BOT Infections in Mind
• Optimizing Your Orchard Spacing
• Impacts and Recovery on Walnuts from 2017 Flooding

• 2018 IPM Breakfast Meetings
• Walnut Orchard Management
• Early Walnut Tree Training
• Leaf symptoms of overwatering walnut trees
• Early Walnut Tree Training: How to Handle Different Nursery Products and How to Use a Pressure Chamber for Irrigation Scheduling Hands-on Workshop

• 2018 IPM Breakfast Meetings 
• Orchard Management Considerations 
• A New Tool in the Fight Against Blight 
• 2018 Winter and Early Season Irrigation 
• 2017 Flood Damaged Trees - Research Results 
• Tree and Vine Crop Herbicide Chart

• 2018 UCCE Winter Walnut Meeting
• Upcoming IPM Breakfast Meetings
• Fall Walnut Orchard Considerations
• Website Resource
• End of Season Flooded Orchard Damage Update
• Considerations for Replanting a Walnut Orchard
• Biofumigation Basics
• New Farm Advisor Introduction

• New Farm Advisor Introduction
•  Insect and Mite Updates - 2017
•  Flooded Orchard Damage Update and Management Considerations
•  In-Season Walnut Production Considerations

• Walnut Blight Management 
• Flooded Orchards: What To Do 
• Monitoring Codling Moth In and Near Mating Disruption Orchards 
• IPM Breakfast Meetings Announcement 
• Managing Bot Canker & Blight: Research Updates 
• Orchard Management Considerations: Budbreak to Early Summer 
• Field Meeting Announcements

• NOW Update 
• New: Monthly IPM Breakfast Meetings 
• 2017 UCCE Walnut Meetings 
• Agenda: Butte/Glenn County Almond & Walnut Day 
• Counting Winter Chill

• Walnut Husk Fly Update 2016 
• Tipping the Scales to Favor Walnut Quality 
• Summary of WHF Efficacy Data 
• Selecting the Right Clonal Rootstock for Managing Soil and Pest Problems 
• In-Season Walnut Production Considerations

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

• When to Begin the Irrigation Season 
• The Latest on Managing Bot Canker and Blight - 2015 Research Updates 
• New Walnut Variety ‘Durham’ Released 
• Orchard Management Considerations: Delayed Dormant through Early Summer 
• Tree and Vine Crop Herbicide Chart

• Navel Orangeworm in Walnuts 
• Using Ethephon for Earlier Harvest 
• Preparing Young Walnut Trees for Winter 
• Late Summer and Fall Orchard Management Considerations

• Advances in Walnut Production Course
• Walnut Orchard IPM Activities
• Walnut Blight Management
• Preventing Walnut Scale and Botryosphaeria Canker and Blight

• New UC Walnut Budding, Grafting, and Planting Video Released
• Fall Orchard Management Considerations 
• Black Mushy Walnut Hulls - Possible Causes 
• Orchard Removal and Site Preparation for Walnuts 
• How to Avoid Freeze Damage in Young Walnut Trees

• Butte & Glenn County Walnut Day Meeting Agenda 
• Walnut Orchards Planted in 2014 - What to do now? 
• Walnut Year-Round IPM Plan and Winter Orchard Pest Management Activities 
• Save the Date - Upcoming Walnut Meetings

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

• California Walnut Research: moving the industry forward
• New Farm Advisor introduction
• Understanding and managing Botryosphaeria and Phomopsis canker & blight in walnut
• Watch for early insect activity
• Perspective on trends in orchard spacing, pruning, and potential disease 
• Springtime recovery from winter freeze damage

• Irrigation management tools for developing walnut trees
• Walnut husk fly trap study
• Ethephon use considerations in the Sacramento Valley

• 2013 Walnut Blight Management
• Spacing Walnuts for Optimum Light Interception & Production
• Guidelines for Handling Potted Walnut Clonal Rootstock Plants
• New Walnut Variety "Solano" Released
• Save The Date: Walnut Husk Fly Monitoring & Control Field Meeting

• Guidelines for handling and planting bareroot walnut nursery trees
• Orchard removal and site preparation for walnut planting
• Diagnosing and managing branch wilt disease
• Management of first year walnut trees in fall and spring
• Points to consider in the prevention of crown gall

• 2012 walnut blight
• New walnut cost study for the Sacramento Valley
• Advisor retirement and new position proposals
• Anthracnose, Botryosphaeria, and Phomopsis in walnut -- updates
• Orchard management impacts on walnut quality

• Walnut blight management
• Training and pruning young walnut trees tools for weed management decisions in orchard crops
• Walnut Pruning Field Meeting- March 6th, Arbuckle
  
• Mobil Irrigation Lab

• Codling moth management
• Orchard management impacts on quality 
• 'Ivanhoe' early harvesting cultivar & 'Ivanhoe' local observations 
• Botryosphaeria and Phomopsis cankers 
• Walnut Husk Fly Field Meeting June 9th 
• Walnut Dehydrator Workshop, June 28th

• Walnut Research Reports are Available On-line 
• New Cost Study on Hulling and Drying Walnuts and Dehydrator Workshop 
• Comparing Retain® and Hold™ for Reducing PFA and Increasing Yield in ‘Serr’ Walnuts 
• Managing Phytophthora in Walnuts
• Winter Freeze Damage - Spring Recovery
• Spring Frost? 
• Walnut Blight Management Update - 2010 Growing Season 
• Walnut Blight Control Experience over the Last 20 years