Sacramento Valley Prune News

• Prune Orchard Considerations
• Phellinus wood rot, or “Why do my trees blow up at harvest?”
• Making money at harvest
• What are you doing for your orchard’s financial longevity?
• New Staff Research Associate!

• Save the Dates
• Spring & Early Summer Orchard Consideration
• The Big Three in Prunes
• New UC Davis Prune Varieties Prove Promising

• Bloom Orchard Considerations
• Bloom weather and prune fruit set: what we know so far
• Potassium Management Options in Prunes
• Managing aphids in prune orchards
• New Advisor!
• Save the Dates
• Fungicide Efficacy

• Save the Dates!
• Fall Prune Orchard Management Considerations
• Canker Management after Pruning/Hedging: Spray Now or Pay Later
• Replanting Prunes back into Prunes
• Gear Up, Throttle Down to control pests, spray drift, and costs
• Prune Brownline Alert
• New Orchard Advisor Introduction

• Weather Watch: Week of August 21

• Preharvest and Harvest Prune Orchard Considerations
• Getting the Best Grower Returns at Harvest
• Potassium review
• New Orchard Advisor

• Spring & Early Summer Orchard Considerations
• Weather in 30 days after bloom helps plan thinning and harvest
• Why thin prunes?
• The most important task of the year
• Twelve ways to ruin a prune orchard

• Prune Meetings
• Bloom 2023 Prune Orchard Considerations
• Mechanical Pruning Trial in ‘French’ Prune – Through Year Four
• Bloom weather and prune fruit set: what we know so far
• Fungicide Efficacy

• Orchard Considerations
• Battle Back Against Cankers Before They Kill Your Trees!
• New prune varieties show promise in reducing fruit drying costs
• New IPM Advisor
• Follow us on Twitter!

• Orchard Considerations
• Five Practices to Help Prevent Bacterial Canker
• Late-season Irrigation Management in Prune
• Pre-harvest Management of Brown Rot
• UC Davis Breeding Program – 2022 Field Meeting
• Follow us on Twitter!

• Spring & Early Summer Orchard Considerations
• New UC Davis Prune Varieties prove promising
• Mechanical pruning trial in “French” prune
• The most important tasks of the year
• Adela Contreras
• Follow us on Twitter!

• Orchard Considerations
• Getting the best grower returns at harvest
• Fruits set, 2021. What happened?
• Clean Up and Pruning – A Pruner’s Pocket Guide
• For a healthy Orchard Next Spring, Follow Through on Late Season Irrigation
• New Staff Introductions
• 2021 Summer Field Meeting
• Valley Podcast!

• Orchard Considerations
• Checking Cropload and Shaker Thinning Prunes
• UCCE Statewide Prune Day Recording
• New Staff Research Associate
• Irrigating with lower quality water? What to consider first
• Herbicide registration

• Orchard Considerations
• Mechanical Pruning of Prune Trees Update
• Bloom Review 2020
• Prune Efficacy and Timing

UCCE Statewide Prune Day

Wednesday, February 24 | 8:30am - 12:15pm

• Orchard Considerations
• Cytospora: A Prune Grower's Arch Nemesis
• Long Pruning Webinar
• UC Prune Research Conference
• New UC Davis Prune Cultivars Prove Promising

• Orchard Considerations
• Pre- and Post- Harvest Irrigation Management in Prune
• Prune harvest prep: Crop maturity and fruit size checks
• Allan Fullton, Irrigation/Water Advisor Reties

• Orchard Considerations for Spring and Early Summer
• Thinning Prunes
• Update on Rootstocks for Prune Production

Annual UCCE South Sacramento Valley Prune Meeting

Sutter Co Ag Department Meeting Room | 142 Garden Hwy, Yuba City

• Fall & Winter Prune Orchard Considerations
• Long Pruning for Greater Early Yields
• Cytospora: A year-round fight
• Increase Your Return on Investment with Post-Harvest Weed Scouting

• Pre-Harvest& Harvest Prune Orchard Considerations
• 2019 Canker Review
• Delivering the largest fruit possible this year
• 2019 UC IPM Breakfast Meetings

• Don't get caught out in a perfect storm
• Field Day on Cropload on Wednesday, May 8th starting at 9 am. See announcement at http://www.sacvalleyorchards.com/event/prune-cropload-check-field-meeting/ 

• Prune Management Considerations: Spring - Summer
• The Advantages of Tighter Spacing and Greater Light Interception in California Prune Orchards
• Thinning Prunes
• Updated cost of producing prunes now available
• Spring Prune "Cropload Check" Field Meeting
• 2019 UC IPM Breakfast Meetings

Annual UCCE South Sacramento Valley Prune Meeting

Co-sponsored by Sutter Co Ag Commissioner’s Office

• 2019 UCCE Winter Prune Meetings
• Orchard Considerations for Bloom and Beyond
• Update on Heart Rot in Prunes
• Is This a Year to Skip Thinning?
• Weed Management Considerations When Replanting Trees in an Established Prune Orchard
• Bloom Disease Treatments in Prune and Honey Bee Safety
• Trends in World Prune Markets
• 2019 UC IPM Breakfast Meetings
• Fungicide efficacy/timing tables

• Fall & Winter Prune Orchard Management Considerations
• Cytospora Post-harvest: Cut it out! Protect fresh cuts!
• Pros and Cons of Mechanical Pruning

Head out to the field to check out for yourself 14 rootstocks in two Sacramento Valley trials!

PRUNE ROOTSTOCK TRIAL FIELD DAY

THURSDAY, JULY 26 - MIKI ORCHARDS 10204 HWY 70, MARYSVILLE, CA 95901

6:45 am - Registration

7:00 am - Discussion and walking tour of Yuba County prune rootstock trial

RSVP to this free event at: ucanr.edu/survey/survey.cfm?surveynumber=25079

• Prune Rootstock Trial Field Day
• Pre-Harvest and Harvest Prune Orchard Considerations
• Managing canker diseases in prune orchards: what we have learned so far
• Prune Harvest Timing
• July Leaf Sampling: A Critical Task in Prune Production
• Growing the Valley Podcast

• South Sacramento Valley Prune Meeting
• Prune Bloom Orchard Management Considerations
• Dry, Warm, Winter Raises Questions about Irrigation
• Thinning Prunes
• Evaluating New Rootstocks: What's the Latest?
• New Hazard for Interplanted Orchards
• Fungicide Efficacy

• Advances in Prune Production Meeting
• Fall Prune Orchard Management Considerations Following A Heavy Crop
• Aphid Management Review

• July and August Prune Management Considerations
• Root Asphyxiation (Waterlogging)
• Bacterial Canker Experience in the Sacramento Valley
• Advances in Cytospora canker management
• Save the Date:  Recent Advances in Prune Research
• Upcoming IPM Meetings
• Website Resources

•  Prune Management Considerations: Late Spring through Summer
• Thinning Prunes
• Techniques to Time First Irrigation Dates for Prune
• Prune orchard nutrition: thoughts for 2017
• Why are some prune trees yellow in the spring? The Bicarbonate Blues

• Annual Prune Meeting Agenda
• Prune bloom orchard management considerations
• Crop Load Adjustment (Thinning Prunes)
• Bad Bloom Weather Options
• Fungicide Efficacy

• Upcoming Meetings
• Fall prune orchard management consideration following a light crop (without hurting the next crop)
• Preliminary Observations for New Prune Rootstocks
• Food for thought when planting a new prune orchard
• Potted tree irrigation after planting: Getting the first year right
• Prune Industry Summit 2017

Upcoming Prune Meetings: 

1. February 1, 2017 - Prune Industry Summit 2017, Lincoln, CA
2. February 17, 2017 - UCCE Tehama County Prune Meeting, Red Bluff, CA
3. March 3, 2017 - UCCE South Sacramento Valley Prune Meeting, Yuba City

• Preharvest/ Harvest prune orchard practices in a tough year
• New Prune Rootstock Performance
• Prune Breeding Program Update
• New Website Resource for Sac Valley Tree Crop Production
• Twitter: Timely prune orchard management information
• Prune Orchard Cover Crop Location Needed!

• Prune Orchard Management Considerations - Fruit Development to Harvest
• Prune Bloom 2016
• Weekly Soil Moisture Loss Reports to Assist with Water Management
• Pocket Gopher Management: Don't wait too long!
• Cropload Evaluation and Shaker Thinning for Orchard Health and Profit

• UCCE Sutter-Yuba Annual Prune Meeting
• Prune Bloom Orchard Management Considerations
• Nitrogen Management for Prunes
• 2015 Field Evaluation of Prune Rootstocks
• Fungicide Efficacy

• 2016 UCCE Prune Meetings
• Fall Prune Orchard Management Considerations
• Ran and pruning don't mix!
• Weed Management in Prunes
• A good year for a fall spray in prunes?
• Have any of your trees blown down? Give us a call!
• Gear Up, Throttle Down^TM = pest control and cost/time savings

• 5 Preharvest practices to consider
• Predicting an Early 'French' Harvest
• Prune Cracking
• Blue Prune

• Prune Grower Meeting
• Prune Orchard Activities
• Heat at Bloom Update
• Honey Bee Safety During Prune Bloom
• Pesticide Safety Workshop
• Herbicide Registration Chart

Colusa-Sutter-Yuba Orchard Spraying Field Meetings

(Same program -- different dates/locations)

November 12, 2014, 8:00am - 12:30pm

(south Sutter County -- Wilson Road x Highway 99)

November 14, 2014, 8:00am - 12:30pm

(Nickels Soil Lab, Arbuckle)

• Orchard Spraying Field Meetings
• Fall Orchard Considerations
• Potassium Nutrition - Maintaining Optimum Levels by Replacing What You've Lost
• Cytospora Cankers Can Destroy an Orchard
• Fall Weed Management Considerations in Prune Orchards
• Irrigation System Maintenance
• Herbicide Registration Chart

• Prune Field Meeting
• Crop Load Assessment and Adjustment
• When to Thin and Why
• Get What You Pay for with Fertilizers
• Internet Updates