Roger Duncan - Pomology Advisor
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
Email: raduncan@ucanr.edu
Almond Publications
Grape Publications
Peach Publications
Presentations from Previous Workshops
North San Joaquin Valley Almond Days
North San Joaquin Valley Cling Peach Seminars
Click Here for
Other Slide Show Presentations
Almond Leaf & Tissue Sample Models:
Copy of Model for Early Season Leaf Sampling
Model for Interpretation of Early Season Tissue Sampling
Other Important Websites
Fungicide Efficacy Timing 2013
Weather
Linked data is from the California Irrigation Management Information System (CIMIS) weather stations. Visit CIMIS web site.
Stanislaus County Stations
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 |
|---|---|---|
| Almond Rootstock Field Day | When: July 17, 2019, 9:00-10:00 a.m. Where: 10061 Vineyard Avenue, Westley, CA What: Walk through an 8th leaf orchard featuring Nonpareil on 16 rootstocks grown under "typical" West Side farming conditions: heavy, high pH, clay-loam soil irrigated with water sometimes high in chloride and boron. We will discuss tree performance including salt tolerance, anchorage, tree size and yield. Rootstocks include: Lovell, Nemaguard, Empyrean 1, Hansen, Brights #5, BB 106, Viking, Atlas, Krymsk 86, and Rootpac R.
Please follow link at bottom of email for more information.
Thank you | |
| Upcoming Field Days | 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
Almond Orchard Cover Crop Field Day
Best wishes,
Roger Duncan
| |
| UCCE Stanislaus County IPM Breakfast Meetings resume March 6 | 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 | |
| North San Joaquin Valley Cling Peach Day | In This Issue:
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| 2019 North San Joaquin Valley Almond Day | North San Joaquin Valley Almond Day 2019
Topics include:
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| 2019 San Joaquin Valley Grape Symposium | 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! | |
| Whole Almond Orchard Recycling Demonstration | ||
| 2018 Tree and Vine March 7 Meeting Information | ||
| 2018 Tree and Vine IPM Breakfast Meetings | ||
| 2018 North San Joaquin Valley Almond Day | A comprehensive speaker list, with starting time, for the 2018 North San Joaquin Valley Almond Day. | |
| Marie Harter, August 2017 | Please read the attached letter from County Director, Roger Duncan. | |
| IPM Field Day in Almonds 06/15/2017 | ||
| Tree & Vine IPM Breakfast Meetings |
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| Almond Day 2/7/17 |
NSJV Almond Day Tuesday, February 7, 2017
Almond Production Manual • IPM for Almond • Pest and Weed ID cards | |
| Cling Peach Day, January 18, 2017 | ||
| July 2016 |
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| Almond Shortcourse | Almond Short Course November 8-10, 2016 Modesto Centre Plaza | |
| 2016 Almond Day | Links to the 2016 Almond Day Talks | |
| January 2016 | 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 | |
| North San Joaquin Valley Cling Peach Day | ||
| Spray Safe Event |
Spray Safe Event Fri. 11/20/2015 7:00 a.m. - 1:00 p.m. MJC Ag Pavillion
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| Almond Production Field Day | ||
| January 2015 |
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| November |
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| March 2014 |
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| January, 2014 | 2014 North San Joaquin Valley Almond Day Robert J. Cabral Ag Center Thursday, February 6, 2014 1.5 DPR continuing education hours pending3.0 CCA hours pending | |
| November 2013 |
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| Mite Identification Workshop | 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 | |
| Mite Identification & Management Workshop | Stanislaus County Agricultural Center, Harvest Hall $70- Registration For more info contact Roger Duncan (209) 525-6800 | |
| Spray Safe Program Workshop Nov. 7, 2013 | Spray Safe Program Workshop Thursday, November 7th, 2013 3.5 CEU's of Laws & Regs Doors open at 7:30 a.m. No pre-registration required. For more information call Roger Duncan at (209) 525-6800. | |
| 2013 NSJV Almond Day | 2013 Northern San Joaquin Valley Almond Day | |
| December 2012 | In this issue:
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| May 2012 | In this issue . . . | |
| Tree & Vine IPM Update Breakfast Meetings | ||
| Almond Day | This is a correction to the previous newsletter. | |
| November 2011 | * Cling Peach Day - Dec. 13th, Stanislaus County Ag Center | |
| Low Emissions Nut Harvesting Field Day | ||
| Peach IPM Workshop | ||
| 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 | |
| Scoop on Fruits and Nuts, January 2011 | 2011 North San Joaquin Valley Almond Day | |
| December 2010 | * Cling Peach Meeting 12/15/2010 * Update on Minimal Pruning of Almonds * Weed Susceptiblility Chart * Newsletter Renewal Form | |
| 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 | |
| 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 | |
| November 2009 | * NSJV Cling Peach Day * Pruning Almond Trees * Blue Orchard Bee Workshop * NSJV Almond Day | |
| June 2009 | Summer Almond Meeting 06/17/09 Peach IPM In-Field Workshop 06/19/09 | |
| 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 | |
| Almond Day & Winegrape Shortcourse | 2009 NSJV Almond Day & Varietal Winegrape Production Shortcourse | |
| December, 2008 | NSJV Cling Peach Seminar December 4, 2008 8:30-12:00 Stanislaus County Ag Center | |
| 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 | |
| February, 2008 | The Scoop on Fruits and Nuts | |
| 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 | |
| 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 | |
| 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 | |
| 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 | |
| January 2006 | North San Joaquin Valley Almond Day Stanislaus/Merced Bi-County Winegrape Seminar | |
| 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 | |
| October 2005 | Fall Nutrition for Almonds & Stonefruit, Fall Urea Sprays, Glyphosate-Resistant Horseweed In California, Upcoming events | |
| August 2005 | Lower Limb Dieback Disease, Verticillium Wilt, Hull Rot, Pistachio Shortcourse | |
| May 2005 | Mealybug Workshop, Powdery Mildew | |
| Tree & Vine IPM Update Breakfast Meetings | News release with dates of 2006 IPM breakfast meetings. | DOC |
| December 2006 | NSJV Cling Peach Seminar | |
| January 2005 | Meeting Agenda for North San Joaquin Valley Almond Day | |
| 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 | |
| May 2004, Volume 9.2 | Peach Pest Field Day Powdery Mildew IPM Breakfasts | |
| January 2004 Volume 9.1 | Almond Day Grape Day |
