Stanislaus County
University of California
Stanislaus County

Roger Duncan - Pomology Advisor


Photo of Roger A Duncan
Roger A Duncan 
Title:
Farm Advisor and County Director
Specialty:
Almonds, Peaches, misc. tree fruit
Address
3800 Cornucopia Way, Suite A
Modesto, CA 95358
Phone: (209) 525-6800 
Fax: 209-525-6840
Emailraduncan@ucanr.edu 

The Scoop on Fruits & Nuts

Produced by Roger Duncan, Pomology and Viticulture Advisor, Stanislaus County. You can receive email notification when the next newsletter is posted.

Issue Articles Type
Upcoming Field Days (11,674KB)

Good afternoon

 

There are two field days coming up that are related to almonds. Please view the attached program fliers for more information:

 

Spring Almond Nutrient and Water Management Field Day
March 19, 2019 - 8:30 a.m. to 12:30 p.m.
Bowman Farms
5737 California Ave
Modesto, CA

 

Almond Orchard Cover Crop Field Day
March 21, 2019 - 9:30 a.m. to 12:30 p.m.
7250 Fox Rd
Winton, CA, 95388

 

Best wishes,

 

Roger Duncan
Pomology Advisor and Director
UC Cooperative Extension, Stanislaus County
raduncan@ucdavis.edu
209-525-6800
cestanislaus.ucdavis.edu

ANR Catalog

PDF
UCCE Stanislaus County IPM Breakfast Meetings resume March 6 (100KB)

Good afternoon

Our University of California Cooperative Extension Tree & Vine IPM Breakfast meetings will begin again next Wednesday, March 6.  These informal discussions focus on real-time insect and disease issues and their management.  They are held every first and third Wednesday morning from March through June from 7:00 a.m. – 8:00 a.m. at the Old Mill Café, 600 9th Street in Modesto.  One hour of continuing education credit is offered at each meeting.  There is no charge – just buy your own breakfast and tip the waitress!  If you have questions or would like to sponsor the $45 fee for CE credits, please call our office at 209-525-6800.

 

Best wishes,

 

Roger Duncan
Pomology Advisor and Director
UC Cooperative Extension, Stanislaus County
raduncan@ucdavis.edu
209-525-6800
cestanislaus.ucdavis.edu

ANR Catalog

PDF
North San Joaquin Valley Cling Peach Day (925KB)

In This Issue:

  • North San Joaquin Valley Cling Peach Day
PDF
2019 North San Joaquin Valley Almond Day (6,982KB)

North San Joaquin Valley Almond Day 2019

 

Topics include:

 

  • Advances in Mating Disruption for Navel Orangeworm Management
    Dr. Jhalendra Rijal, IPM Advisor, UCCE Stanislaus County
  • Detection and Management of Band Canker
    Dr. Themis Michailides, Plant Pathology Specialist,
    UC Kearney Ag Center
  • Use of Compost in Young Orchards – Soil Changes and Tree Response
    Roger Duncan, Farm Advisor, UCCE Stanislaus County
  • Nitrogen Needs for First Leaf Almonds Following Whole Orchard Recycling
    Dr. Brent Holtz, Farm Advisor, UCCE San Joaquin County
  • Almond Spur Dynamics – Maintaining Orchard Productivity Dr. Bruce Lampinen, UCCE Specialist, UC Davis
  • Using Soil & Water Analyses in Orchard Management Decisions Dr. Mae Culumber, Farm Advisor, UCCE Fresno County
  • Improving Spray Coverage for More Effective Pest Management Dr. Franz Niederholzer, Farm Advisor, UCCE Sutter, Yuba & Colusa Counties  
PDF
2019 San Joaquin Valley Grape Symposium (133KB)

Hello All,

REMINDER!

The 2019 San Joaquin Valley Grape Symposium will be held at the CPDES Hall in Easton, CA on January 9, 2019.

Please see agenda for more information.  To register online and pay by credit, click here.

Cost: $15.00 includes meeting, proceedings, and lunch.

$20.00 at the door - cash/check only, as the facility does not have the ability to take credit cards. Late fee does not include lunch or proceedings.

Hope to see you there!

PDF
Whole Almond Orchard Recycling Demonstration (191KB) PDF
2018 Tree and Vine March 7 Meeting Information (184KB) PDF
2018 Tree and Vine IPM Breakfast Meetings (612KB) PDF
2018 North San Joaquin Valley Almond Day (1,466KB)

A comprehensive speaker list, with starting time, for the 2018 North San Joaquin Valley Almond Day.

PDF
Marie Harter, August 2017 (73KB)

Please read the attached letter from County Director, Roger Duncan.

PDF
IPM Field Day in Almonds 06/15/2017 (1,062KB) PDF
Tree & Vine IPM Breakfast Meetings (120KB)

 

 

PDF
Almond Day 2/7/17 (221KB)

 

NSJV Almond Day

Tuesday, February 7, 2017
8:00 a.m. — 12 noon
Modesto Centre Plaza

1150 9th Street Modesto, CA


Publications for sale at this event:

Almond Production Manual • IPM for Almond • Pest and Weed ID cards
The Pesticide Safety Manual - NEW 3rd edition • Plus more

PDF
Cling Peach Day, January 18, 2017 (404KB) PDF
July 2016 (1,474KB)
  • Almond Rootstock Field Day for West Side Growers
  • Introduction of New Pest Management Advisor
  • Summary of Insect Monitoring in Nut & Fruit Crops: Summer Update
  • Almond Short Course

 

PDF
Almond Shortcourse (842KB)

Almond Short Course

November 8-10, 2016

Modesto Centre Plaza
1000 L Street
Modesto, CA

PDF
2016 Almond Day (50KB)

Links to the 2016 Almond Day Talks

PDF
January 2016 (1,204KB)

2016 North San Joaquin Valley Almond Day

Modesto Centre Plaza

1150 9th Street, Modesto, CA

Thursday, February 4, 2016

8:30 a.m. - 12:00 noon

PDF
North San Joaquin Valley Cling Peach Day (381KB) PDF
Spray Safe Event (787KB)

 

Spray Safe Event

Fri. 11/20/2015

7:00 a.m. - 1:00 p.m.

MJC Ag Pavillion

 

PDF
Almond Production Field Day (348KB) PDF
January 2015 (3,539KB)
  • 2015  North San Joaquin Valley Almond Day - February 10
  • Bacterial Spot of Almond
  • Dormant Sprays not Reducing Lower Limb Dieback
  • Tree & Vine IPM Breakfast Meetings continue
PDF
November (1,003KB)
  • North San Joaquin Valley Cling Peach Day
  • Job Opportunity
  • Donate
  • North San Joaquin Valley Almond Day
PDF
March 2014 (266KB)
  • Drought Irrigation Strategies for Peaches & Almonds
  • Tree & Vine IPM Breakfast Meetings Continue
PDF
January, 2014 (812KB)

2014 North San Joaquin Valley Almond Day

Robert J. Cabral Ag Center
2101 E. Earhart Ave.
Stockton, CA

Thursday, February 6, 2014
8:30 a.m. - 12:00 noon

1.5 DPR continuing education hours pending3.0 CCA hours pending

PDF
November 2013 (341KB)
  • Cling Peach Day
    Stanislaus County Ag Center, Harvest Hall
    3800 Cornucopia Way, Modesto, CA
    Thurs. 12/12/13, 8:30 - 12:00

  • Bacterial Spot Management
  • New Rulings for Piece-Rate Paid Employees
  • Update on Minimal Pruning Trial

 

PDF
Mite Identification Workshop (166KB)

Mite Identification & Management Workshop

for Pest Control Advisors &  IPM Private Applicators

Thursday, Novemer 21, 2013

3800 Cornucopia Way, Harvest Hall

Modesto, CA

There is a $70- Registration Fee

PDF
Mite Identification & Management Workshop (80KB)

Stanislaus County Agricultural Center, Harvest Hall
3800 Cornucopia Way, Modesto
Thursday, November 21
8:00 a.m. -12:45 p.m.

$70- Registration

For more info contact Roger Duncan (209) 525-6800

PDF
Spray Safe Program Workshop Nov. 7, 2013 (1,009KB)

Spray Safe Program Workshop

Thursday, November 7th, 2013
Stanislaus County Ag Center, Harvest Hall
3800 Cornucopia Way, Modesto
8:00 a.m. - 12:30 p.m.

3.5 CEU's of Laws & Regs

Doors open at 7:30 a.m.
Program starts at 8:00 a.m.

No pre-registration required.

For more information call Roger Duncan at (209) 525-6800.

PDF
2013 NSJV Almond Day (178KB)

2013 Northern San Joaquin Valley Almond Day

February 15, 2013 / 8:30 a.m. - 12:00 noon
Martin Peterson Event Center
720 12th Street, Modesto, CA

PDF
December 2012 (238KB)

In this issue:

  • North San Joaquin Valley Peach Day, December 20, 2012
    Stanislaus County Ag Center, Harvest Hall, Modesto
  • Update on Almond Minimal Pruning Experiment
  • Educational Opportunities
  • Agritourism Intensive
PDF
May 2012 (353KB)

In this issue . . .

* Summer Almond Field Day, June 1, in Ballico
* Rust Beginning to Show in Almond Orchards
* Nitrogen Use Efficiency in Almonds
* Poor Piece-Rate Design: Paying the Same Per Tree
* Just Published . . .
* Tree & Vine IPM Breakfast Meetings
* Weed Day 2012, July 19, Buehler Alumni Center, UC Davis

PDF
Tree & Vine IPM Update Breakfast Meetings (104KB) PDF
Almond Day (405KB)

This is a correction to the previous newsletter.

PDF
November 2011 (1,558KB)

* Cling Peach Day - Dec. 13th, Stanislaus County Ag Center

* Management of Peach Leaf Curl

* Herbicide Resistant Weeds

* Pre- and Postemergent Herbicides Registered in Almonds

* North San Joaquin Valley Almond Day -  Feb 1, 2012
   New Location - Martin Petersen Event Center, 720 12th St, Modesto

* New Publications Available


PDF
Low Emissions Nut Harvesting Field Day (233KB) PDF
Peach IPM Workshop (241KB) PDF
Peach Blossom Thinner Demo Field Day *Results from 2 years of local field trials *Demonstration of string blossom thinner *Try the machine in your orchard PDF
Scoop on Fruits and Nuts, January 2011 2011 North San Joaquin Valley Almond Day PDF
December 2010 * Cling Peach Meeting 12/15/2010 * Update on Minimal Pruning of Almonds * Weed Susceptiblility Chart * Newsletter Renewal Form PDF
May 2010 *Almond Production & Pest Management Field Day 05/27/2010 *2010 Cool Spring Leads to Long Growing Season & Large Fruit *Mechanical Blossom Thinner to Reduce Peach Labor Costs *Powdery Mildew of Peach-Pathogens, Biology & Management PDF
Tree & Vine IPM Update Breakfast Meetings The breakfast meetings will begin on March 17th. See the attached flyer for more information. DOC
January 2010 * 2010 NSJV Almond Day * Assessment of Multiple Approaches for Controlling Gophers in Orchards * Training First Leaf Trees * Silver Leaf Disease * Varietal Wine Grape Production Short Course-Feb. 23-25, 2010 UC Davis PDF
November 2009 * NSJV Cling Peach Day * Pruning Almond Trees * Blue Orchard Bee Workshop * NSJV Almond Day PDF
June 2009 Summer Almond Meeting 06/17/09 Peach IPM In-Field Workshop 06/19/09 PDF
February, 2009 *Fungicide Resistance Problems *Almond Fungicide Efficacy 2009 *Almond/Peach/Nectarine Treatment Timing *Peach/Nectarine Fungicide Efficacy 2009 *Chilling Hours *IPM Update Breakfast Meetings Resume PDF
Almond Day & Winegrape Shortcourse 2009 NSJV Almond Day & Varietal Winegrape Production Shortcourse PDF
December, 2008 NSJV Cling Peach Seminar December 4, 2008 8:30-12:00 Stanislaus County Ag Center PDF
24 Hour Pest Phone Hotline Hear the latest pest development updates. New info posted every Tuesday. Call (209) 525-6841 DOC
May 2008 Summary of University of California Research on Irrigaiton Management for almond Trees Under Drought Conditions PDF
February, 2008 The Scoop on Fruits and Nuts PDF
January 2008 Almond Day Jan. 22, 2008 Dormant Sprays Reduced Hazard Dormant Spray Options New ANR Publications New Viticulture Website Interpersonal Negotiation Skills Upcoming Meetings PDF
December 2007 2007 North San Joaquin Cling Peach Day DOC
January 2007, part 2 Insert Charts: Susceptibility of Weeds to Herbicides Registered in Almonds in California PDF
January 2007, part 1 Almond Day, January 25, 2007; Grape Day, February 9, 2007; New Fertigation Publication; Peach Leaf Curl; Chilling DOC
August 2006 Revision in Hull Samples article *Lower Limb Dieback Update *Hull Samples ("Wait until harvest to collect") *Mite Alert *Pre-Plant Fumigation Pays *In Search of New Fumigation Trials PDF
May, 2006 Article: Thin Lightly for Maximum Yield New Publication: Fertigation with Microirrigation Upcoming Events: Peach Field Day 05/18/06 Almond Field Day 05/31/06 PDF
January 2006 North San Joaquin Valley Almond Day
Stanislaus/Merced Bi-County Winegrape Seminar
PDF
2005 North San Joaquin Valley Cling Peach Seminar Tuesday, December 13, 2005, 8:30 a.m. – Noon, Stanislaus County Agricultural Center, Service and Crows Landing Roads, Modesto PDF
October 2005 Fall Nutrition for Almonds & Stonefruit, Fall Urea Sprays, Glyphosate-Resistant Horseweed In California, Upcoming events PDF
August 2005 Lower Limb Dieback Disease, Verticillium Wilt, Hull Rot, Pistachio Shortcourse PDF
May 2005 Mealybug Workshop, Powdery Mildew PDF
Tree & Vine IPM Update Breakfast Meetings News release with dates of 2006 IPM breakfast meetings. DOC
December 2006 NSJV Cling Peach Seminar PDF
January 2005 Meeting Agenda for North San Joaquin Valley Almond Day PDF
September 2004 Fall Foliar Urea for Bacterial Canker Management, Fumigation for Replanted Orchards, Want Free Fumigation? Silverleaf Disease Management, Pruning First-Leaf Trees, Tree & Vine Loss Calculator Future CE Seminars PDF
May 2004, Volume 9.2 Peach Pest Field Day Powdery Mildew IPM Breakfasts PDF
January 2004 Volume 9.1 Almond Day Grape Day PDF
View All

Weather

Linked data is from the California Irrigation Management Information System (CIMIS) weather stations. Visit CIMIS web site.

Stanislaus County Stations

Stanislaus County
University of California Cooperative Extension
3800 Cornucopia Way, Ste. A
Modesto, CA 95358
Phone: (209) 525-6800
Fax: (209) 525-6840

Director: Roger Duncan
roger picture

Webmaster Email: mjrosenblum@ucdavis.edu