Cooperative Extension, Sutter-Yuba Counties
University of California
Cooperative Extension, Sutter-Yuba Counties

Pomology Notes

Newsletter and meeting announcements published by Franz Niederholzer, farm advisor for almonds, prunes, pears, apples, cherries, olives, plums and pomegranates.

Issues Articles Type Date Added
Sacramento Valley Almond News - Summer 2017
  • New Farm Advisor
  • Relationship between Varieties and Bacterial Blast during Bloom - 2017
  • Navel Orangeworm Update
  • Yellowing trees on Krymsk 86 after a wet spring
  • Approaches to Spider Mite Management in Almonds
  • Pre- & Post-Harvest Almond Orchard Management Considerations
  • Almond Variety Trial Field Day
  • Upcoming IPM Breakfast Meetings
PDF 6/19/17
Prune Grower Field Meeting - April, 2017

Prune Grower Field Meeting Agenda

Friday, April 28, 2017, 9:00am

2200 Encinal Road, Live Oak

 

PDF 4/24/17
Prune Grower Field Meeting - April, 2017

Save the Date! 

Prune Grower Field Meeting

Friday, April 28, 2017, Morning

PDF 4/21/17
Sacramento Valley Almond News, Spring 2017
  • Nickels Field Day -- May 10th
  • Waterlogged orchards?
  • Bloom review
  • Potassium, zinc, iron & manganese deficiencies
  • April showers bring yellowing Krymsk?
  • Almond management considerations: spring & early summer
  • Correction: when to apply the first irrigation?
  • Upcoming breakfast meetings
PDF 4/19/17
UCCE Orchard Calibration Field Day

UCCE Orchard Calibration Field Day

Tuesday, April 25, 2017

8am - 1pm

Nickels Soil Lab

Arbuckle, CA

PDF 4/18/17
E-mail Extra, March 2017 - 2017 Flooded Orchards

2017 Flooded Orchards - What to do and Resources

  1. What to do now
  2. Reporting damage/loss
  3. Determining Damage
  4. Potential Disaster Relief Resources
PDF 3/20/17
Email Extra - March IPM Breakfast Meeting
March IPM Breakfast Meeting
Tuesday, March 14, 2017, 7:30 am - 9:00 am

Join Area IPM Advisor Emily Symmes and Orchard Systems Farm Advisors Janine Hasey and Franz Niederholzer to discuss current pest management and production issues. 

**No-host breakfast, DPR and CCA hours requested (1.5 other)**

PDF 3/8/17
Sac Valley Almond News - Winter, 2017
  • Focus on honeybees. colony strength, and beekeeper responsibilities
  • Protecting honeybees during bloom
  • When to apply the first irrigation?
  • 2017 UCCE almond meetings
  • Additional announcements
  • Winter & Bloom Almond Orchard Management Considerations
  • Almond Fungicide Efficacy

PDF 1/6/17
Sac Valley Almond News - Fall 2016
  • 2016 Almond Production Short Course
  • Pocket gopher management
  • Fall Zinc and Boron Review
  • Potted tree irrigation after planting: Getting the first year right
  • Leaf rust of almond
  • Post-harvest Considerations
  • Sacramento Valley Orchard Source

PDF 10/12/16
Pomology Notes - Almonds - Preharvest, 2016
  • Upcoming Meetings
  • New Website Resource for Sac Valley Tree Crop Production
  • Preharvest/Harvest Almond Orchard Practices to Consider
  • Did you notice yellow, flagging branches this spring? Beware of anthracnose!
  • Herbicide Symptom Gallery
  • Managing Soil Variability for Increased Almond Production

Upcoming Meetings:

  1. Friday, July 8, 2016 - 8:30 am to Noon ~ Dust Control/Sustainability Field Day @ Nickels Soil Lab | RSVP to Rebecca Bailey at rbailey@almondboard.com
  2. November 8-10, 2016 ~ Almond Production Short Course @ Modesto, CA | More information - http://ucanr.edu/almondshortcourse

PDF 6/21/16
Water & Land Resource Manager - May 2016

Irrigation Technology workshop/field for Nut and Fruit Crops

Thursday, June 16, 2016
8:00a - 2:00 pm - Red Bluff Elks Lodge - 355 Gilmore Road, Red Bluff, CA
 
1) 8:00 - 10:05 am - Early morning workshop ~ UC speakers will set the stage for the following field ay highlighting the importance of irrigation management to nut and fruit production and providing background information on a variety of irrigation technologies.
 
2) 10:30 - 11:30 am - Mid-morning field stop ~ Attendees are invited to a local walnut farm near Red Bluff. A replicated irrigation experiment in Chandler walnut has been underway since the beginning of the 2014 season. 
 
11:30 to 12:15 Lunch - At Crain Orchards Field Stop
 
3) 12:45 to 2:00 pm - After lunch field stop. Growers are invited ot a local almond and walnut farm near Corning. A replicated almond irrigation experiment with Nonpareil, Monterey, and Carmel varieties has been underway since 2013. 
 
Please RSVP to help us prepare:
(530) 527-3101 or clmcclain@ucanr.edu
PDF 6/7/16
CA Almond Board "In-the-Orchard" Weed Identification and Management Workshop

Almond Board Field Meeting

Nickels Soil Lab, Green Bay Ave, Arbuckle

Tuesday, May 10

 

The Almond Board of California is hosting a field meeting at the Nickels Soil Lab on Tuesday, May 10 from 8:30 – noon. A free lunch will be available following the program. Interested growers and PCAs are encouraged to attend. Featured speakers will include Kurt Hembree, UCCE Farm Advisor in Fresno County specializing in weed control in tree crops as well as Almond Board representatives. A detailed agenda is included with this newsletter post.

 

To help with a lunch count, please RSVP to Rebecca Bailey at rbailey@almondboard.com or 209-343-3245.

 

Hope to see you there.  

PDF 5/6/16
Sacramento Valley Almond News - Spring 2016
  • Nickels Field Day
  • Pocket gopher management: don't wait too long!
  • An alternative preemergence herbicide strategy for summer grasses in orchards
  • Weekly soil moisture loss reports to assist with water management
  • In-season almond pest and disease considerations
  • Organic almond production field meeting planned
  • Herbicide Registration Chart
PDF 4/28/16
UCCE Sacramento Valley Almond News

UCCE Sacramento Valley Almond News

  • Krymsk 86 in Cool, Wet Conditions
  • Wet or Dry, Get Ready
  • El Nino Rains and pruning don't mix!
  • Upcoming Almond Meetings
  • Frost Protection
  • Pre-Bloom Almond Orchard Management Considerations
  • Have any of your trees blown down?
  • Annual Almond Production Meeting, Woodland
  • Colusa-Sutter-Yuba Winter Almond Meeting
  • Fungicide efficacy tables
PDF 1/15/16
2016 Spray Safe Meeting - January 20, 2016
SPRAY SAFE 
WEDNESDAY, JANUARY 20, 2016
 
8:30 Registration | 9:00 am Welcome
 
Topics include Pesticide Safety and Safety Around Schools, Grower Liability and Legal Issues, Update from Butter-Yuba-Sutter Water Quality Coalition
 
Outdoor Demonstration Rotations
  • Saving Money & Time While Reducing Spray Drift
  • Strip Spraying Application
  • Grower Checklist for Safety & Safety Communication
  • Employee Safety from the AG Department Perspective
  • Heat Illness nd Personal Protective Equipment

To register for this free event: Call Yuba-Sutter Farm Bureau at (530) 673-6550

PDF 1/14/16
Sacramento Valley Almond News - Summer, 2015
  • Why are some individual trees turning yellow and not growing?
  • 2015 In-season naval orangeworm update
  • Almond canopy cankers
  • Non-infectious bud failure management
  • Weak areas in orchards...dead roots?
  • Pre-harvest almond orchard management considerations

University

PDF 7/22/15
Pomology Notes - Prunes - E-Newsletter July, 2015
  • Early Harvest Heads Up
  • Preharvest irrigation water shut off
  • Two shakes this harvest? Proceed with caution.
  • Fruit Brown Rot Management at Harvest
PDF 7/8/15
2015 Nickels Soil Lab Annual Field Day

 

Don't Forget!

 

2015 Nickels Soil Lab Annual Field Day

Wednesday, May 6, 2015

8:30am - 12:15pm

Lunch by Reservation Available!

 

 

PDF 4/30/15
Sacramento Valley Almond News - Spring 2015
  • Nickels Soil Lab Annual Field Day
  • Naval Orangeworm in 2015
  • Almond Scab
  • Band Canker
  • N Budgeting Following the 4 R's
  • In-Season Almond Orchard Management Considerations
PDF 4/14/15
Almond Board Workshop Series

Almond Board of California Educational Sustainability Workshop Series

Series 1:  Water & Nitrogen Management

Expert speakers include UC Farm Advisors and Almond Board-funded researchers.

 

 

PDF 2/25/15
UCCE E-Mail Extra - Patchy Frost Forecast

Start and stop frost protection sprinklers based on Wet bulb temperatures.

PDF 2/23/15
Meeting Announcement - Almonds - January 2015

South Sacramento Valley Winter Almond Meeting

Stagehands Theater, Colusa County Fairgrounds, Colusa, CA

February 5, 2015, 8am - 12noon

 

PDF 1/7/15
Sacramento Valley Almond News - Bloom 2015
  • Winter & bloom almond orchard management considerations
  • Winter sanitation for navel orangeworm control
  • Honey bee safety during bloom
  • Rootstock trial for boron tolerance has Nickels with early lead
  • Bacterial spot of almond in California
  • Upcoming meetings - Mark your Calendar!
  • Almond fungicide efficacy, treatment timing & suggested management programs

Upcoming Almond Meetings:

January 16th Yolo Solano Young Almond & Walnut Orchards: Getting the First Five Years Right for Long Term Success
January 27th Almond Institute -- Butte & Glenn Counties
February 8th South Sacramento Valley Almond Meeting

UC ANR

PDF 12/23/14
2014 Orchard Spraying Field Meetings

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)

PDF 10/30/14
Sacramento Valley Almond News - October 2014
  • Orchard Spraying Field Meetings
  • Fall-Winter Almond Orchard Management Considerations
  • Winter Sanitation - Hull Rot & Navel Orangeworm
  • Irrigation System Maintenance
  • Building an Effective Orchard Weed Management Program
  • Herbicide Registration Chart
PDF 10/30/14
Sacramento Valley Almond News - July 2014
  • New IPM Advisor
  • New Farm Advisor
  • Advisor Retirement
  • Leaf analysis and salinity monitoring
  • Research reveals the core components of optimum almond production
  • Navel orangeworm management
  • Nitrogen Management in Orchard Crops meeting

Meeting Announcement:  *Date Correction*

Nitrogen Management in Orchard Crops - Thursday, July 24th 1:00 pm - 4:00 pm at Red Bluff Elks Lodge, 355 Gilmore Road, Red Bluff, CA 96080

PDF 6/25/14
Pomology Notes - Prunes - Preharvest 2014
  • Prune orchard activities to consider in June/July
  • Scouting for Spider Mites in Prunes
  • New IPM Advisor Introduction
  • New Farm Advisor Introduction
  • Deficit Irrigation for French Prune
  • Chill model comparison
  • Advisor Retirement - Joe Connell
  • Nitrogen Management in Orchard Crop Meeting planned for July 24th
PDF 6/19/14
Be a Scientist for a Day!

 

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!

 

PDF 5/8/14
Pomology Notes - Prunes - Spring 2014
  • Prune orchard activities to consider in April / May
  • New Farm Advisor Introduction
  • Irrigating French Prune During a Drought
  • Efficient Nitrogen Management in Prune Production
  • Low Chill Winter?
  • How hot was it at bloom, 2014?
  • Prune Aphids in Spring & Summer
  • Spring Field Meeting Planned for Friday, May 2
PDF 4/22/14
Sacramento Valley Almond News - April 2014
  • New Farm Advisor
  • Insect Activity, Spring 2014
  • Wanted:  Cooperator in large almond spraying study
  • Foliar nutrient sprays: a quick but short term correction for nutrient deficiencies
  • Nitrogen use efficiency in almonds
  • Irrigation management
  • Nickels Soil Lab Annual Field Day
PDF 4/21/14
Pomology Notes - Heat Risk and 2014 Sutter/Yuba Prune Bloom

**E-MAIL EXTRA**

PDF 3/14/14
Pomology Notes - Prunes - Bloom 2014
  • Prune growing in CA in 21st Century: Turning the corner meeting
  • Practices to consider in prune orchards in March
  • Prune Fungicide Efficacy

 

PDF 2/19/14
Sacramento Valley Almond News - February 2014
  • Pollination and honey bee safety
  • Orchard Sanitation: a key winter practice in almond production
  • Observations on Butte County rootstock trials
  • Almond fungicide efficacy, treatment timing & suggested programs
PDF 2/13/14
2014 Spray Safe Meeting Announcement

Tuesday, January 28th

8:30 am - Registration

9:00 am - Program begins

10:30 am - Outdoor Demonstration Rotations begins

12:30 pm - Lunch

 

PDF 1/27/14
Pomology Notes - Almond Meeting (Revised Agenda) - January 2014

South Sacramento Valley Winter Almond Meeting

(Revised Agenda) ~ February 4 ~ Colusa County Fairgrounds

PDF 1/23/14
Pomology Notes - Almond Meeting - January 2014

South Sacramento Valley Winter Almond Meeting

February 4, 2014 ~ Colusa

PDF 1/13/14
E-mail Extra - September 3, 2013

Renewing Old Prune Orchards Field Meeting

September 13, 2013, 9:00am

Reason Farms, Yuba City

PDF 9/3/13
Sacramento Valley Almond News - August 2013
  • Naval orangeworm management - 2013
  • Almond hull rot - cultural and chemical management
  • Alternaria leaf spot and leaf rust of almond
  • Water management for almond:  In-season, harvest and post-harvest
  • Pre-harvest almond orchard nutrition
  • Room for rent sought for UC Intern
  • Local Weather Data Available
PDF 8/8/13
Pomology Notes - Prunes - Preharvest 2013
  • Practices to consider in prune orchards in July/August
  • Earlier harvest in 2013
  • 2013: A Tough Year for Cankers
PDF 7/3/13
E-Mail Extra - May 14, 2013

Reminder!

Nickels Soil Lab Annual Field Day

Wednesday, May 15, 2013

Green Bay Avenue, Arbuckle, CA

8:30am - 12:15pm

PDF 5/14/13
Almond News - April 2013
  • Almond Varieties
  • Crown Rot and Pruning Wound Cankers
  • New Video: Managing almond pest using the Year-round IPM Program
  • Tying Young Trees
  • Navel Orangeworm Pressure?
PDF 4/24/13
Pomology Notes - May, 2013
  • Practices to consider in prune orchards in April/May
  • Sutter-Yuba Spring Field Meeting
  • Orchard Irrigation
  • Prune Tissue Sampling for Leaf Analysis
  • Efficient Nitrogen Management in Prune Production
  • How hot was it at bloom, 2013?
PDF 4/19/13
Sacramento Valley Almond News - February 2013
  • Butte-Glenn Almond Institute & Walnut Day
  • Groundwater Nitrogen Dilemma
  • Bee Careful with Pesticides
  • Almond orchards with wild insects have higher fruit set
  • Nickels Field Day
  • Springtime disease control
  • Almond Fungicide Efficacy
  • South Sacramento Valley Winter Almond Meeting
PDF 2/14/13
Pomology Notes - Prunes - February 2013
  • South Sacramento Valley Prune Day - Feb 27th
  • Practices to consider in prune orchards in March
  • Nitrogen Management for French Prune
  • Heat at bloom update
  • Brown Rot Blosson / Twig Blight and Preventing Fungicide Resistance
  • New 2012 Prune Cost Study for the Sacramento Valley

 

PDF 2/8/13
Fruit and Nut Notes - Tehama County - January 2013

2013 Tehama Prune Day

Friday, February 8, 2013

PDF 1/30/13
Pomology Notes E-Mail Extra - Almonds - January 24, 2013
  • South Sacramento Valley Winter Almond Meeting
  • SpraySafe Meeting
PDF 1/24/13
E-Mail Extra - November 15, 2012

Introduction to Almond Production course - Don't forget to register!

PDF 11/15/12
Pomology Notes - Prunes - November 2012
  • Upcoming meetings
  • Practices to consider in prune orchards this fall
  • Prune Orchard Nutrition
  • Fall Spray for Prune Aphid Management
  • Prune out Cytospora cankers to reduce disease
  • Cost saving spray practices for fall prune aphid spray
  • Two different spots on prune leaves
PDF 11/5/12
Sacramento Valley Almond News - October 2012
  • Upcoming Meetings:  Introduction to Almond Production in the South Sacramento Valley
  • Pocket Gopher and Ground Squirrel Management for Autumn
  • 40th Annual Almond Conference Moved to Sacramento
  • Hull Rot
  • Leaf Blight
  • 2012 Navel Orangeworm - Part 2
  • Planning Your Weed Management Program (includes herbicides charts)

 

PDF 10/18/12
Pomology Notes Preharvest, 2012
  • Suggest Prune Orchard Activities in August
  • Sizing Prunes at Harvest
  • Managing Prunes Through Harvest
  • Distinguishing Between Branch Dieback Disorders

 

PDF 8/6/12
Sacramento Valley Almond News - July 2012
  • Alternaria Leaf Spot and Leaf Rust of Almond
  • New Almond Cost Study for the Sacramento Valley
  • 2012 Naval Orangeworm
  • Why Are Some Individual Trees Turning Yellow, Are Weak, or Are Not Growing?
  • Coping With Rain at Harvest
  • Advisor Retirement and New Position Proposals

 

PDF 7/18/12
E-Mail Extra: Spray Safe Meeting June 20th

Spray Safe Meeting

Wednesday, June 20th, 9am

Colusa County Fairgrounds

CE Credits Available!

PDF 6/18/12
Sacramento Valley Almond News - April 2012
  • Nitrogen Use Efficiency in Almonds
  • Almond Pruning Wound Cankers
  • Treatment Timing
  • Fungicide Efficacy
  • Suggested Disease Management Programs
  • 35th Annual Nickels Field Day
PDF 4/11/12
Pomology Notes - Prunes - March 2012
  • Prune Orchard Activities to Consider in March
  • Heat at Bloom Update
  • It's Your Money
  • Saving Glyphosate
  • Prune Fungicide Efficacy - Treatment Timing
PDF 3/2/12
Pomology Notes E-mail Extra - February 24, 2012

South Sacramento Valley Prune Day (March 1, 2012) Announcement and Agenda

PDF 2/24/12
Pomology Notes - Almonds - E-mail Extra February 1, 2012

Meeting Announcement and Agenda

South Sacramento Valley Winter Almond Meeting
Arbuckle Golf Course - this Thursday, February 2, 2012, 8:30-11:30 a.m.

Please stay for the free lunch after the meeting hosted by the Almond Board of California.

PCA and CCA CE hours requested

PDF 1/31/12
Butte & Glenn Counties Walnut Day & Almond Institute

Attached are the meeting announcement, location map, agenda and registration forms for the Butte and Glenn Counties Walnut Day/Almond Institute.  It is being held on Wednesday, February 1, 2012, from 8:30 a.m. to 2:15 p.m.  The meeting will be held at the Masonic Family Center in Chico, California.  To receive lunch at the Walnut Day/Almond Institute, pre-registration must be returned to the UCCE Butte County office by Friday, January 27, 2012. (see attached).

2.5 hours of PCA credit has been requested.

For additional information, and registration questions please contact the UCCE Butte County office at:  (530) 538-7201.

PDF 1/25/12
Pomology Notes - Almonds - January 2012
  • Upcoming Meetings and Workshops
  • Pruning and training young almond trees
  • Guidelines for planting almonds
  • Winter irrigation
  • Focus on bees, colony strength and health
  • Orchard sanitation: a key winter practice in almond production
PDF 1/24/12
Pomology Notes - Almonds Winter 2011
  • Orchard Activities to Consider for December
  • Observations on Krymsk 86 Rootstock
  • A Short Review of Three Micronutrients:  Zinc, Manganese, and Iron
  • Review of Naval Orangeworm Control Research in Almond
  • Gopher Control
  • Alternaria Leaf Spot and Leaf Rust of Almond
PDF 12/6/11
Pomology Notes - Prunes - October 2011
  • Upcoming Meetings
  • Practices to Consider in Prune Orchards this Fall
  • New Prune Rootstock Research is Underway
  • Considerations when Removing Prune Orchards
  • Prune Orchard Fertility Review: Focus on the "Key 3"
  • Prune Research Reports Now Available on the Internet
  • Short, Timely Prune Updates Available on Twitter
PDF 9/23/11
Pomology Notes - Almonds, Summer 2011
  • Rotation Crops and Intercrops that do not Increase Nematode Pests
  • New Changes in Aluminum Phosphide Labels
  • Herbicide Resistant Weed Survey
  • Using Leaf Tissue Analysis for Almond Nutrition
  • Understanding and Applying Information from a Soil Test:  Salinity
  • Help Needed for Grad Student in Carbon use / Storage use in Almond Production
PDF 8/10/11
Pomology Notes August - Preharvest 2011

- Suggested Prune Orchard Activities in August
- Prune Maturity Data on Twitter
- Managing Fruit Brown Rot and Prune Rust
- Blue Prune Drop and Leaf Scorch
- Bloom Time Temperatures Compared to Fruit Set in 2011
- Update on Spotted Winged Drosophila in Prunes in Prunes
- When will harvest start in 2011?

PDF 7/22/11
Pomology Notes Almonds - Email Extra 5-11-11 Nickels Field Day 5-12-11 Reminder, Nickels Field Day Agenda Field Day Location Map PDF 5/11/11
Pomology Notes - Prunes - May 2011 - Prune Orchard Management Practices / Conditions to Consider in the Spring - Using Urea Efficiently - In-Season Potassium Fertilization Options for Prunes - A New Season - When to begin irrigating and how much water to apply? - Crop Load Assessment and Adjustment - Cropload Evaluation Field Meeting, Wednesday, May 4th - Internet Updates PDF 4/26/11
Pomology Notes Almonds - Spring #2 2011 - 34th Annual Nickels Field Day - Understanding and applying information from a soil test - Part 4 - Bacterial blast - Handling late planted trees - Determining sprayer speed in the field - Nitrogen contribution from irrigated water PDF 4/19/11
Pomology Notes - Spring 2011 - Springtime Disease Control - Sample Jar Test: How to evaluate spray compatibility - Waterlogged Orchards - Implementing Frost Proection - Almond: Fungicide Efficacy - Almond - Treatment Timing - Almond - Suggested Disease Management Programs by Fungicide Frac Groups PDF 2/23/11
Pomology Notes - March 2011 - Prune Day Agenda - Prune Orchard activities to consider in Feb/March. - Frost Protection - Maximizing Grower Profit in Tough Times - High Temperatures at Boom Reduces Fruit Set - Prune Fungicide Efficacy PDF 2/17/11
Pomology Notes - Email Extra January 26, 2011 Protecting Crops from Extreme Temperature Damage meeting on Thursday, February 17, 2011 with Agenda. DOCX 1/26/11
Pomology Notes - Almonds Fall 2010 * Orchard Practices to Consider * Almond Board Conference * Hull Rot Review * Fall Nutrition Management * Understanding and applying information from a soil test - Part 3 * Why Dormant Spary Almonds? * Looking Back at 2010 Leaf Diseases PDF 11/28/07
Pomology Notes - October 2010 - Practices to consider in prune orchards this fall. - Scale Pests in Prune Orchards and Keeping a Balance of Natural Enemies to Control Them. - Prune out Cytospora cankers to reduce disease. - Fall Spray for Prune Aphid Management. - Using high oil rate before bloom: Why do it? - Short, timely prune updates available. PDF 10/5/10
Pomology Notes - Prunes Preharvest 2010 In this Issue: - Suggested August Prune Orchard Activities - What Can You Do Now to Produce the Largest Prunes Possible? - Field Sizing French Prune - Managing Fruit Brown Rot in Prunes - Spotted Winged Drosophila: New Damaging Pest in Prunes? PDF 7/30/10
Pomology Notes - Almonds Preharvest 2010 - Orchard Practices to Consider - Biofix for almond worm pests - Delivering a clean crop - Almond tree blow-over problems - Almond on Lovell Peach - Verticillium wilt in almonds - Understanding and applying information from a soil test - Part 2 PDF 7/21/10
E-mail Extra: Pomology Notes May 19, 2010 PDF 5/19/10
Pomology Notes - Almonds April 2010 33rd Annual Nickels Field Day; Biofix for Oriental Fruit Moth, Peach Twig Borer, and Navel Orangeworm; Commercial Almond Nutrition Program at Nickels Soils Lab; Pacific Spider Mite Control at Hull Split in Almonds; A comparison of several methods for controlling pocket gophers PDF 4/23/10
Pomology Notes April 2010 Upcoming Meetings: Sutter-Yuba Spring Prune Field Meeting: May 4 Annual Nickels Field Day: May 6 Prune Orchard Management Practices Weather at Bloom 2010 Prune Crop Load Assessment Eriophyid Mites Can Damage Growth of Young Trees Prune Aphid Control July-Time for Prune Leaf Analysis Prune Rust Management Plan PDF 4/22/10
Email Extra: Pomology Notes April 20, 2010 Save the Date: Spring Prune Field Meeting May 4th Annual Nickels Field Day May 6th PDF 4/20/10
Pomology Notes Prunes - February 2010 PDF 2/17/10
Pomology Notes Almonds November/December 2009 Pt 3 Using Blue Orchard Bees in California Almonds Meeting Notice PDF 11/24/09
Pomology Notes Almonds November/December 2009 Pt 2 Almond: Winter Annuals You May See-Postharvest PDF 11/24/09
Pomology Notes Almonds November/December 2009 Part 1 Almond Orchard Activities to Consider for November/December New pesticides are effective on Peach Twig borer in early sprays. Efficacy of new pesticides for peach twig borer control in dormant to bloom timings. Brief review of comprehensive Almond Pest Management Class PDF 11/24/09
Pomology Notes E-Mail Extra: November 23, 2009 Test version of Chilling Predictor Available to Help in Planning Sprays to Advance Prune Bloom PDF 11/23/09
Pomology Notes - Prunes, October 2009 PDF 10/8/09
E-mail Extra: Pomology Notes August 13, 2009 PDF 8/14/09
Pomology Notes E-mail Extra 8.6.09 PDF 8/7/09
E-mail Extra: Pomology Notes July 30, 2009 PDF 7/31/09
E-mail Extra: Pomology Notes July 23, 2009 DOCX 7/24/09
E-Mail Extra: Pomology Notes July 17, 2009 Sutter/Yuba Region 'French' Prune Harvest, 2009 PDF 7/17/09
Pomology Notes - Prunes July 2009 Suggested Prune Orchard Activities 'French' Prune Maturity Information Harvest Timing for Sutter What can you do now to produce the largest prunes possible? Fruit Brown Rot Management for Prunes Gopher Control...better late than never! Wrapper Burn PDF 7/17/09
Pomology Notes - Almonds, June, 2009 Meeting Dates & Locations June 23rd Almond Meeting Agenda PDF 6/8/09
Pomology Notes - Almonds, January/February 2009 PDF 1/13/09
E-Mail Extra: Pomology Notes - July 31, 2008 PDF 2/10/10
Sacramento Valley Prune News April 2008 April 19th Freeze Making Money Growing Prunes in 2008 Time to Count Fruit Crop Management for Dried Plums Spring Irrigation Management Using Spring Weather Data to Predict Harvest Date for 'Improved French' Prunes 31st Annual Nickels Field Day PDF 4/23/08
Sacramento Valley Prune Newsletter March 2008 Upcoming Meetings What To Do If It's Hot At Bloom - 2008 Brown Rot Blossom and Twig Blight Brown Rot Fungicide Resistance Management Considerations for In-Season Nutrition of Prunes New Dried Plum/Prune Varieties Available for Planting PDF 3/11/08
Agenda Prune Day 2008 sign-in and refreshments 8 am Heat at Prune Bloom: What do we know, what can be done? Managing spider mites Topping Prune Trees: What do we know? New Prune Varieties, New bloom dates Information Review of Prune Irrigation International Prune Marketing Situation Disease Management in Prunes: Brown rot and rust PDF 2/27/08
Pomology Notes - Almonds October 2007 Almond Orchard Topics to Consider in Fall/Winter New Plum Rootstocks for Almonds Young Almond Pruning Meeting Set for October 31 Important Almond Orchard Fertility Survey Dormant Spur Sampling and Treatment Guidelines PDF 8/21/08
October 2007 Sacramento Valley Prunes News Upcoming Meetings Prune Orchard Management Practices to Consider in the Fall Nematode Problems in Prune Production Pruning and Training Prune Trees Fall Spray Controls Prune Aphid the Next Season-Fall 2007 Update 2007 Prune Crop Review Meeting Planned Sutter/Yuba Pruning Field Meeting October 31, 2007 NRCS Announces Program Sign-Up Period Sutter/Yuba Orchard Spray Field Meeting PDF 7/29/08
July 2007 Pomology Notes Punjabi newsletter PDF 7/15/08
REVISED Pomology Notes E-Mail Extra, July 2007 Please check the Free Pesticide Container Recycling article, there has been a change in date PDF 7/15/08
E-Mail Extra: July 2007 Pomology Notes Pest Conditions Prune Harvest Prediction New 2EE Label for Suppression of Alternaria Leaf Blight in Almonds Lunch with Franz Cancelled Free Pesticide Container Recycling Researchers Need Samples of Glyphosate Resistant Ryegrass PDF 7/14/08
July 2007 Sac Valley Prune News Prune Orchard Activities in July Irrigation Management Pre and Post Harvest Prunes Need Honey Bees to Pollinate Flowers and Set Fruit Prune Harvest Timing Cytospora Management PDF 7/7/08
Sacramento Valley Prune News Spring 2007 Some Prune Orchard Practices to Consider in Spring Prune Crop Control Early to Mid Season Irrigation Considerations Related to Fruit Quality World Prune Outlook Spray Drift Management Using Spring Weather Data to Predict Harvest Date for "Improved French" Prunes PDF 5/29/08
2007 May Pomology Notes (Punjabi) * Pest Conditions * Gypsum In June * Fertilizer * Irrigation * Harvest Prediction * Paint Young Trees * Cut Out Dead Wood * Leaf Footed Plant Bug Update * Free Pesticide Container Recycling PDF 12/2/08
2007 May Pomology Notes * Pest Conditions * Gypsum In June * Fertilizer * Irrigation * Harvest Prediction * Paint Young Trees * Cut Out Dead Wood * Leaf Footed Plant Bug Update * Free Pesticide Container Recycling PDF 5/27/08
US EPA DRAFT RISK MITIGATION PDF 5/1/08
April 2007 Pomology Notes-Almonds Checklist of Potential Spring Activities in Almond Orchards Upcoming Meetings Union Mild Etch in Almonds on Marianna Root What can almond growers do about Union Mild Etch (UME) Fungicide Programs for Spring/Summer Disease Control in Almonds Spider Mite Management in 2007 Peach Twig Borer Biofix Dates in Sutter/Yuba Region Additional Sutter/Yuba Pomology Newsletters Available Almond Fungicide Efficacy Alomnd Treatment Timing 30th Annual Nickels Field Day Agenda & Luncheon Reservation Form and Map Orchard Sprayer Calibration Spring 2007 Workshop & application form PDF 4/8/08
March 2007 Pomology Notes Upcoming Meetings 2007 Prune Crops FREE Pesticide Container Recycling Early Pest Pressure Irrigation Fertilizer No Dormant Spray Almond Disease Management PDF 8/26/08
2007 March Sacramento Valley Prune News Suggested Prune Prchard Management Ideas/Suggestions for March Checking your Annual Report Card: Reading a P-1 Sheet Insect and Mite Management in Prunes: 2007 Bloom Fungicide and Disease Resistance Efficacy and Timing of Fungicides for Prunes 2007 Treatment Timing for Prunes 2007 Additional Sutter/Yuba Prunes Newsletter Available PDF 3/11/08
February 2007 Prune Day Announcement UCCE State Wide Prune Day Wednesday, March 7, 2007 PDF 2/23/08
October 2006 Pomology Notes Prune Orchard Management Practices to Consider in the Fall Pruning Options Fall Nutrients to Consider Every Year in Prunes Fall Spray Controls Prune Aphid The Next Season Prune Aphids: Life Cycles and Over Wintering Biology 2006 Prune Crop Review Meeting November 8th (see calendar of events for more information) PDF 6/8/11
July 2006 Pomology/Almonds Almond Information Almond Field Day Harvest Chart New Publication "Fertigation with Microirrigation" PDF 6/8/11
July 2006 Sac Valley Prune News Suggested Prune Orchard Activities in July Prune Harvest Timing Glyphosate Resistant Ryegrass in California & Resistance Management Considerations Blue Prune Drop and Leaf Scorch Preharvest Pest Management New UC Publication on Fertigation Irrigation Management Pre and Post Harvest PDF 6/3/08
May 2006 Newsletter 2006 Outlook for Sutter/Yuba Region Prune Crop Prune Orchard Irrigation Summer Nutrition/Leaf Sampling Nutrient Levels Web-Spinning Mites Summer Diseases: Rust and Fruit Brown Rot Fungicide Resistance Management Prune Fruit Cracking PDF 6/8/11
April 2006 newsletter General Orchard Checklist for April/May Prune Orchard Specific Checklist for April/May Almond Orchard Specific Checklist for April/May Prune Field Meeting May 4, 2006 Disease Control in Prunes in 2006 Spring/Summer Disease Control in Almonds Almond and Prune Fungicide Efficacy and Treatment Timing PDF 6/8/11
Sacramento Valley Prune News Vol 2:1: Bloom 2006-Revised Prune Orchard Checklist for Feb and Mar Do High Temperatures during Bloom Reduce Prune Fruit Set? Frost Protection Prune Bloom Diseases: Brown Rot and Russet Scab 2005 Prune Fungicide Efficacy-Treatment Timing Crop Management For Dried Plums Prune Orchard Nutrition: Bloom to Harvest Prune Day Agenda PDF 5/10/10
November-December 2005 Orchard Checklist Crop Year Review 2005 New Options for PTB from Dormant thru Bloom Spider Mite Management is Year-Round Zinc Sulfate Fertilizer and Almond Orchard Cleanup Getting Ready for 2006 Prune Season PDF 6/8/11
2005 October Pomology-Almond Notes Almond Orchard Practices to Consider in October/November Almond Pruning Demonstrations Almond Conference PDF 6/8/11
Sacramento Valley Prune News First Edition This issue contains: Planning 2005/2006 Prune Weed Control Program Pruning mature Prune Trees Fall Prune Nutrition Aphid Management in the Fall Protecting flowers at bloom (a way to better yields) PDF 6/8/11
May/June 2005 Pomology Notes Orchard practices to consider in May & June Ant colony monitorin in almonds Monitor for prune rust starting in May Almond rust Brown rot in punres Managing fruit brown rot in prunes PDF 6/8/11
April 2005 Pomology Notes Upcoming Meetings General Orchard Checklist for April Prune Bloom Weather 04 vs. 05 Shaker Thinning Prunes New Mealybug Pest Generic Fertility Program Spring/Summer Disease Control in Almonds IPFP Binder Updates PDF 4/10/09
February 2005 Pomology Notes Statewide Prune Day agenda Prune Orchard checklist for February/March Almond Orchard checklist for December/January Monitoring Worm Pests in Dried Prunes and Almonds Actara Labeled for Aphid Control in Prunes Chilling Hours Measuring Degree Days to Track Insect Development PDF 6/8/11
Introduction to Almond Production in Yuba and Sutter Counties Agenda: How is almond production different from peach/prune Variety selection Frost Protection General overview of almond production Jan-Dec PDF 6/8/11
2004 November/December newsletter orchard Mangement Practices to Consider in November and December PDF 6/8/11
September 9, 2004 September Newsletter contains Almond and Prune Orchard Practices to Consider in September, Upcoming Meetings, Protecting The Almond Harvest From Rain, and UCCE Sutter/Yuba Fall Prune Fild Meeting announcement PDF 6/8/11
June/July 2004 Almond & Prune Orchard Practices to Consider in June/July; Summer=Time for Leaf Sampling; Clinical Nutrient Levels for Prune & Almond Leaves-Sampled in July; Critical Boron Levels for Almond Hulls Sampled at Harvest. PDF 6/8/11
May 13, 2004 Mtg Field Meeting to allow interested growers and PCA's to view the results of a prune aphid control trial. PDF 6/8/11
May 11, 2004 27th Annual Nickels Field Day Hosted by John Edstrom, Colusa County Farm Advisor Marianna 2624 Rooted Orchards-Varieties, Advantages & Performance, John Edstrom; Walnut Hedgerow Production at Nickels, Bill Krueger; Investigating Alternative Rootstocks, Joe Conell; Precision Irrigation & Fertilizer Management-Current Needs/Future Solutions, Dr. Patrick Brown, Robert Coates, Dr. Ken Shackel, Dr. Michael Delwiche; Optimizing Potassium Nutrition, Dr. Rolande Meyer; Electronic Repeller for Controlling Crows, Dr. Michael Delwiche & Andrew Houk; Reducing Soil Erosion on the Farm, Jeanette Wrysinski; Tree Trellising and Staking Systems, Franz Niederholzer & Mike Perry; Brush Shredding Demonstration, Al Orth Registration and $15.00 check by 5/3/04 Map attached PCA credits - 1 hr requested PDF 6/8/11
April/May 2004 Upcoming Meetings; Orchard Practices for Almonds & Prunes; Rootstock Suckers on Marianna 2624 Plum-rooted Almonds & Prunes; Chilling Hours This Winter; Prune & Almond Update Available on-Line; Pull or Plant? Orchard Economic Outlook Meeting in Yuba City; Spring Prune Field Meeting Agenda PDF 6/8/11
March 2004 Upcoming Meetings; Prune Orchard Checklist for February/March; Almond Orchard Checklist for December/January; Bees & Bloom Basics, a Review; 10 things to do to improve your prune returns in 2004; FREE-to a good home- Almond & Prune Trees; Fertilizer Program; Nitrogen Butgets; Fungicide Program in Almonds & Prunes; $ Available for Scouting; UCCE Statewide Prune Day PDF 7/9/10
January 2004 Upcoming Meetings; Dormant Season Pest Management Options for Prunes & Almonds; Dormant Spur Sampling Thresholds for Common Dormant Season Spray Target Pests in Prune & Almonds; Dormant Treatment Guide for Prune Orchards; Planning for the Future in Almond & Prune Production PDF 6/8/11
October/November 2003 A 20/20 Look Back at the 2003 Prune Crop: Large Crop, Lacy Scab, Small Fruit Size, Fruit Brown Rot, Aphids, Mites, Saving Money in Dormant Sprays Upcoming Meetings PDF 6/8/11
September 2003 Post Harvest 2003: Post Harvest Irrigation in Prunes; Bacterial Canker Control; Prune Aphid Migration; Paying for Detailed Pruning; Is Paying Pruners by the Tree Better Than by the Hour?; Post Harvest Irrigation in Almonds; Almond Leaf Scorch Publication Available; Mid-September Prune Meetings Cancelled Due to Late Harvest Field Meeting Series; Prune Grower Tour, 9-29-03 Agenda PDF 6/8/11
August 2003 Timing of Prune Harvest; Estimating Fruit Maturity; Estimating Dried Prune Fruit Size at Harvest; Predicting Lacy Scab Damage in Prunes; Almond Harvest Practices/Ideas to Consider PDF 6/8/11
May 1, 2003 UCCE Prune Pest & Orchard Management Short Course: Dates and Location, Registration Form and agenda for Yuba City meeting, May 30th PCA hours requested PDF 6/8/11
April/May 2003 Prune/Almond Check Lists;Prune Cropload Management; Prune Aphids are Out; Potassium Options in Prunes; Spray Oil Basics; Water Quality News of Importance to All Growers; Help for Sick Ag Pumps; Interested in a New Crop?; Weekly Orchard Update; Environmental Aspects of Agriculture; Upcoming Meetings; Nichols Field Day Program & map DOC 6/8/11
February/March 2003 Chilling Units to Date; Grower Survey Mailed; Pest Control Information on the Web; Bee Hive Health & Fungicides; Dormant/Delayed Dormant Options for Prune; Prune Orchard Management Educational Series; Tank Mixing with Copper Degrades Some Pesticides; General Disease Control Review; Every-Other-Row Fungicide Spraying; UC Disease Control Guidelines Available; Owl Boxes Available to Growers; Orchard Update Messages Start; Program for Sutter/Yuba Dried Plum Day, 2/26/03 PDF 6/8/11
January 2003 Rules & Regulations Update, Dormant Spray Options, Almond Nutrition Review, Food Safety in Almonds, Future Needs for Almond Growing in this Region, Almond Dormant Pest Review PDF 6/8/11
December 2002 Dormant Spur Check, Pruning Options for Prune Growers PDF 11/14/09
October 2002 Orchard practices to consider this fall by Franz Niederholzer, new UC Farm Advisor for Sutter/Yuba Cos. DOC 6/8/11
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