Lake Ontario Fruit Program Enrollment

Program Areas

  • Food Safety
  • Variety Evaluation
  • Market Development
  • Pest Management
  • Cultural Practices

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  • Direct Mailings
  • Educational Meetings & Conferences
  • In-Field Educational Opportunities
  • On-Farm Research Trials

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2019 Cornell Fruit In-Depth School Presentations Now Available!

Last Modified: April 23, 2019

In-depth School on
Precision Crop Load Management and Plant Growth Regulator Use in Apples
March 26-27, 2019
DoubleTree Inn
Syracuse NY
We welcome you to the 2019 Cornell In-depth Fruit School on Precision Crop Load Management
PCLM). We envision this school to be both an opportunity to learn concepts of PCLM and the impacts
that managing crop load more precisely has on the bottom line. We also hope this will be an
opportunity to give input to a future federally funded project on precision crop load management of
apple. We invite your input throughout the program but especially at the end of the first day on where
the greatest opportunities lie for research and implementation on farms in the East to increase orchard
income and grower profitability.
Tuesday March 26 Precision Crop Load Management

8:30am 1.Welcome to In-depth School and Objectives -Terence Robinson

8:45am 2. Pruning Studies to Manage Crop Load in Pennsylvania - James Schupp

9:30am 3. Precision Pruning in NY - Terence Robinson

10:15am Coffee Break

10:30am 4. Precision Thinning using the Pollen Tube Growth Model - Greg Peck

11:15am 5. Precision Chemical Thinning in Michigan - Phil Schwalier

12:00pm Lunch

1:15pm 6. Precision Chemical Thinning in NY and updates to the Carbon Balance Model-

Terence Robinson

2:00pm 7. The New phone App for Precision Thinning - Poliana Francescatto and Jon

Clements

2:30pm 8. Precision Pruning and Thinning in Washington - Stefano Musacchi (zoom

presentation)

3:15pm Coffee break

3:30pm 9. Precision hand thinning - Mario Miranda

4:00pm 10. How computer vision can help with crop load management - Chris Layer

(Moog Corporation)

4:45pm 11. Grower's perspective on fruitlet counting and precision crop load management

5:00pm Discussion period with all presenters and input from grower community

5:30pm End of school for the day

6:30pm Dinner for grower participants on their own

Wed March 27 Plant Growth Regulator Uses

8:30am 12. Advances in PGR's for chemical thinning -Terence Robinson and Poliana

Francescatto

9:30am 13. Use of PGR's to induce branching in the nursery and the orchard - Mario

Miranda

10:00am Coffee break

10:15am 14. PGR's to control growth and bitter pit - Terence Robinson and Poliana

Francescatto

11:00am 15. PGR's to manage harvest - Craig Kahlke, Poliana Francescatto,

and Keith Culver

12:00pm Lunch

1:15pm 16. Harvista treatments on quality and storage disorders of Gala and Honeycrisp - Chris Watkins

2:00pm 17. Using PGR's to increase return bloom and fruit set - Terence Robinson

2:30pm 18.Using PGR's to defoliate nursery trees - Poliana Francescatto

3:15pm Break

3:30pm 19. Use of PGR's to reduce russetting, or improve color - Terence Robinson

and Poliana Francescatto

4:15pm Panel discussion of PGR's - Terence, Mario, Poliana, Craig,

Chris and Keith

5:00pm Adjourn



Agenda for In-Depth School 2019 (pdf; 54KB)

Intro to Precision Crop Load Management (pdf; 95KB)
  • article by Terence Robinson


Intro to Precision Crop Load Management (pdf; 4129KB)
  • by Terence Robinson


Pruning to Manage Crop Load in Pennsylvania (pdf; 3538KB)
  • by Jim Schupp, Becky Wiepz, Melanie Schupp & Edwin Winzeler


Precision Pruning to Partially Control Crop Load in Apples (pdf; 18990KB)
  • by Terence Robinson, Poliana Francescatto, & Jaume Lordan


Precision Pruning of Gala Apples (pdf; 1995KB)
  • article by Terence Robinson, Poliana Francescatto, & Jaume Lordan


Precision Pruning to Help Maximize Crop Value (pdf; 2137KB)
  • article by Terence Robinson & Leo Dominguez


Precision Thinning using the Pollen Tube Growth Model (pdf; 2043KB)
  • by Greg Peck


Precision Cropload Management Syracuse NY Fruit School (pdf; 6476KB)
  • by Philip Schwallier


PGR's and Thinning Strategies 2019 (pdf; 3658KB)
  • article by Philip Schwallier & Amy Irish-Brown


Precision Chemical Thinning (pdf; 37100KB)
  • by Terence Robinson, Alan Lakso, Duane Greene, Poliana Francescatto, & Jaume Lordan


Precision Crop Load Management: Part 1 (pdf; 230KB)
  • article by Terence Robinson, Alan Lakso, Duane Greene, & Steve Hoying


Precision Crop Load Management: Part 2 (pdf; 229KB)
  • article by Terence Robinson, Steve Hoying, Mario Miranda Sazo, & Andrea Rufato


Precision Chemical Thinning (pdf; 666KB)
  • article by Terence Robinson, Alan Lakso, Duane Greene, & Steve Hoying


Introducting the Malusim App (pdf; 4346KB)
  • by Poliana Francescatto, Jaume Lordan,


Precision Pruning and Thinning in Washington (pdf; 6868KB)
  • by Stefano Musacchi & Tory Schmidt


Precision Hand Thinning (pdf; 489KB)
  • by Mario Miranda Sazo


Autonomous Orchard Efforts (pdf; 2027KB)
  • by Chris Layer


A Growers Perspective on Crop Load Management (pdf; 4373KB)
  • by Rod Farrow


Advances in PGR's for Chemical Thinning (pdf; 8081KB)
  • by Terence Robinson & Poliana Francescatto


News in Fruit Thinning: Testing New Alternatives to Carbaryl (pdf; 1276KB)
  • by Poliana Francescatto & Terence Robinson


Use of PGRs to Induce Branching in the Nursery (pdf; 12076KB)
  • by Mario Miranda Sazo


ABA for bitter pit control of HC (pdf; 34546KB)
  • by Poliana Francescatto & Terence Robinson


Use of Plant Growth Regulators to Control Growth and Bitter Pit (pdf; 1473KB)
  • Terence Robinson & Poliana Francescatto


Are combinations of ReTain™& Harvista™better than either alone? (pdf; 6106KB)
  • by Craig Kahlke


ReTain Plant Growth Regulator - Harvest Management (pdf; 895KB)
  • by Poliana Francescatto, Jim Wargo, & Gregory Clarke


Harvista™ by AgroFresh An Evolution (pdf; 2949KB)
  • by Keith Culver


Harvista treatment effects on quality and storage disorders of Gala and HC (pdf; 31530KB)
  • by Chris Watkins, Yosef Al Shoffe, Jacqueline Nock, & Yiyi Zhang


Use of AVG (ReTain) to increase fruit set (pdf; 1685KB)
  • by Poliana Francescatto & Terence Robinson


Use of Plant Growth Regulators Improve Return Bloom and Fruit Set (pdf; 26703KB)
  • by Terence Robinson & Poliana Francescatto


Chemical Defoliation of Apple Nursery Trees (pdf; 10640KB)
  • by Poliana Francescatto & Terence Robinson


Improving Fruit Finish (pdf; 2518KB)
  • by Poliana Francescatto & Terence Robinson


Use of Plant Growth Regulators to Control Russet and Improve Color (pdf; 4172KB)
  • by Terence Robinson


more crops
Apples

Apples

Apricots

Apricots

Asian Pears

Asian Pears

Blueberries

Blueberries

Cherries

Cherries

Currants

Currants

Gooseberries

Gooseberries

Nectarines

Nectarines

Peaches

Peaches

Pears

Pears

Plums

Plums

Raspberries / Blackberries

Raspberries / Blackberries

Strawberries

Strawberries

Unusual Fruit

Unusual Fruit

more crops

Upcoming Events

2026 Tree Fruit & Small Fruit Twilight Meetings

Event Offers DEC Credits

April 30, 2026 : Tree Fruit & Small Fruit Twilight Meeting 1
Webster, NY

The Twilight Meetings are a series of monthly meetings, where we examine seasonal changes in tree fruit and berry crop phenology, discuss and demonstrate scouting and monitoring for insects and diseases, and provide integrated pest management solutions to maximize the health and productivity of berry and tree fruit plantings.

Please arrive at 6pm for pizza and soda.  This year Twilight meetings will begin and end 30minutes earlier than last year!


Event Offers DEC Credits

May 28, 2026 : Tree Fruit & Small Fruit Twilight Meeting 2
Oswego, NY

The Twilight Meetings are a series of monthly meetings, where we examine seasonal changes in tree fruit and berry crop phenology, discuss and demonstrate scouting and monitoring for insects and diseases, and provide integrated pest management solutions to maximize the health and productivity of berry and tree fruit plantings.

Please arrive at 6pm for pizza and soda.  This year Twilight meetings will begin and end 30minutes earlier than last year!


Event Offers DEC Credits

June 25, 2026 : Tree Fruit & Small Fruit Twilight Meeting 3
Medina, NY

The Twilight Meetings are a series of monthly meetings, where we examine seasonal changes in tree fruit and berry crop phenology, discuss and demonstrate scouting and monitoring for insects and diseases, and provide integrated pest management solutions to maximize the health and productivity of berry and tree fruit plantings.

Please arrive at 6pm for pizza and soda.  This year Twilight meetings will begin and end 30minutes earlier than last year!

View 2026 Tree Fruit & Small Fruit Twilight Meetings Details

2026 Virtual Orchard Meetup Series

February 27, 2026 : Session 1 - The Impacts of Weather on Pome Fruit Quality and Storability: Lessons Learned

The Impacts of Weather on Pome Fruit Quality and Storability: Lessons from 2025 -  The first meetup will be conducted live on Friday, February 27, 2026, at 10:30pm (PST)/1:30pm (EST).  The webinar will last 90 minutes.  The format will include brief presentations by two SPARC scientists, followed by a packer/grower panel of industry leaders across North America.  The meetup will conclude with an open discussion in a very inclusive virtual format.  Viewers are invited to share solutions, ask questions, and interact with scientists and panelists.  The program is free of charge.


June 11, 2026 : Session 2

Details to follow.


June 18, 2026

Details to follow.


June 25, 2026 : Session 4

Details to follow.

View 2026 Virtual Orchard Meetup Series Details

Cornell Fruit Field Day

July 30, 2026
Geneva, NY

Join Cornell researchers in Geneva for Fruit Field Day, returning after 10 years, to tour research plots, learn from experts—including Dr. Terence Robinson with 40+ years in tree fruit research—and explore the latest orchard technologies and practices.

View Cornell Fruit Field Day Details

Announcements

Save the Date! - Scroll down for Upcoming Events

Have you missed a meeting recently? Scroll down for available recordings or pdf links or visits our YouTube Channel https://www.youtube.com/c/LakeOntarioFruitProgram

2026 Events:

for more details click on event title

21 Apr - Cornell Statewide Pink Meeting - Recording Available

30 Apr - Tree Fruit & Small Fruit Twilight Meeting 1 - 6pm Refreshments & DEC Credit Sign In, Webster, Free!

28 May - Tree Fruit & Small Fruit Twilight Meeting 2 - 6pm Refreshments & DEC Credit Sign In, Oswego, Free!

26 Jun - Tree Fruit & Small Fruit Twilight Meeting 3 - 6pm Refreshments & DEC Credit Sign In, Medina, Free!

30 July - 2026  Cornell Fruit Field Day, Geneva.  Stay tuned for updates.




Now Hiring!

Join Cornell Cooperative Extension's Lake Ontario Fruit Program -- a full-time, hybrid role supporting commercial fruit growers through education, applied research, and industry collaboration in western New York. See more details to determine if this role is right for you.

2026 Respirator Fit Testing!

2026 Respirator Fit Testing Opportunities:

To help ensure a comfortable and well-coordinated clinic for all participants, event time and location details will be provided at the time of registration.

April 2026 - Wayne County - is full for additional testing opportunities contact URMC or NYCAMH

May 2026 - Orleans County - Registration Open Now - https://www.nycamh.org/services/training/respirator-fit-testing/



Clean Sweep NY

The Spring 2026 collection will take place from May 5-8, 2026, in Western, New York. For more information about CleanSweepNY or to request a registration form for the Spring 2026 collection, please email (cleansweep@dec.ny.gov) or call 518-225-8146.

Tuesday, May 5 - Depew (Erie County)
Wednesday, May 6 - Lockport (Niagara County)
Thursday, May 7 - Spencerport (Monroe County)
Friday, May 8 - Waterloo (Seneca County)

More information about CleanSweepNY can be found at https://dec.ny.gov/environmental-protection/pesticides/special-initiatives


SPARC Orchard Roundup Podcast

Check out the first SPARC Orchard Roundup episode. In less than 15 minutes you'll get a sense for what we are seeing across regions in terms of bud stage, flower bud phenology, return bloom, and bud survival. You'll also hear about how phenology varies north to south within each state, and some tips on what weather patterns this winter (past for some, still occurring for others) and spring contributed to what we are seeing.

Find and follow the SPARC Orchard Roundup podcast on your preferred platform. We are on Spotify, Apple, Podcast Index, Podcast Addict, Podchaser, Pocket Casts, Listen Notes, and Player FM.

For links to more ways to listen and the full article visit https://treefruit.wsu.edu/article/whats-budding-across-the-country/

Webinar Recordings & Additional Meeting Materials

Check out the recordings of some recent webinars and/or conference materials from in person events: Recordings and Playlists are available at https://www.youtube.com/c/LakeOntarioFruitProgram

2026 Recordings & Materials

2026 Season Meeting Playlist - https://www.youtube.com/playlist?list=PLYLbxsK4pTXWouHvOgj25lKuycKQ7-tmT

Cornell Statewide Pink Meeting Recording - https://youtu.be/cnQtklNa1i4

Winter Fruit School Presentation pdfs - https://lof.cce.cornell.edu/submission.php?id=986&crumb=crops|crops|apples|crop*38

PACMAN Webinar Recordings Playlist - https://www.youtube.com/playlist?list=PLYLbxsK4pTXVQ41ysqOtIGBhBlqrWsyFt

2025 Recordings & Materials

Positioning your orchard for tech adoption - Mario Miranda Sazo at APAP meeting

MIFruitcast interview with Mario Miranda Sazo

2025 Cornell Winter Webinar playlist https://www.youtube.com/watch?v=5ccj8IT-8eI&list=PLoNb8lODb49u16HwAqx7Y_TS5S3vdkrON

Recording of Precision Apple Cropload MANagement PACMAN technologies at the 2nd Annual WNY Fruit Grower Tour. https://youtu.be/yE6thvf4z0E

2024 Virtual Orchard Meetup Series - Water Wisdom: 
1/4 - Trends In Water Availability
2/4 - The Role of Water In Tree Fruit Physiology & Quality
3/4 - Smart Watering: Practices for Irrigation Management
4/4 - Water Wisdom Unplugged


2024 8-12 mm Thinning Meeting

2024 Capital Region & Western NY Petal Fall Thinning Meeting

2024 Statewide Pink Meeting

2024 Cornell Statewide Frost Protection Webinar

2024 Winter Fruit Webinars playlist on the NYS IPM Program YouTube Channel

2nd Annual Lake Ontario Fruit Program's Winter Fruit Conference - 2024 pdfs

PACMAN Details and Resources, Meeting Recording Links below:
Developers Conference for Precision Crop Load Management of Apples Playlist - 2024
PACMAN Briefing - 2023








2026 NY Apple Pathology Season: Apple Scab Updates

Apple Scab 2026 Updates Text for news letters and videos:
https://blogs.cornell.edu/coxlab/


Cornell Crop and Pest Management Guidelines

Cornell Integrated Pest Management has announced a pause in Crop and Pest Management Guideline production for 2026 to allow time to restructure and modernize the program for the future.

The 2025 editions will remain available through the Cornell Store (print while supplies last; online versions available until 2027). https://www.cornellstore.com/books/cornell-cooperative-ext-pmep-guidelines?page=1

An exception is the 2026-2027 New York/New England Greenhouse/Herbaceous Ornamentals Guidelines, which will be published as planned.

Updates will be shared as progress continues.

2026 Beginning Farmer Competitive Grant Program

2026 Beginning Farmer Competitive Grant Program
$1.7 Million Available for New York Beginning Farmers
New York Farm Viability Institute is pleased to announce that the 2026 NYS Beginning Farmer Competitive Grant Program (BFCG) is now open as of March 16. The BFCG is a competitive funding opportunity administered in partnership with the New York State Department of Agriculture and Markets. The program will provide 1.7 million to support beginning farmers in building financially sustainable, independent, commercial agricultural enterprises throughout New York State. RFP closes on June 14, 2026.
Additional details on the project including applicant eligibility, supported project activities, and upcoming informational webinars can be found here: 2026 Beginning Farmer Competitive Grant Program - NYFVI.ORG https://nyfvi.org/grant-programs/producer-grants/beginning-farmer/2026-bf/


NEWA weather stations moving to a new dashboard!

NEWA weather stations purchased through Rainwise (now owned by KestrelMet) are moving to a new dashboard!

Click for Details


2025 Cornell Winter Fruit Webinar Recordings

Recordings now available on the NYIPM YouTube Channel 2025 Cornell Winter Webinar playlist https://www.youtube.com/watch?v=5ccj8IT-8eI&list=PLoNb8lODb49u16HwAqx7Y_TS5S3vdkrON

Business Updates



Scaffolds podcast

Many of you probably read Art Agnello's statewide tree fruit updates and recommendations newsletter, "Scaffolds". Dr. Monique Rivera is bringing it back, but in a new audio version. Episode one was recorded this week, and is now available for free online at https://podcasters.spotify.com/pod/show/scaffolds


NYS Tree Decline Survey

Your answers could help find the solution to tree decline in the orchard.
NYS Tree Decline Survey


Food Safety Virtual Office Hours

Cornell Institute of Food Safety "Virtual Office Hours", Tuesdays Noon to 1pm https://cals.cornell.edu/institute-for-food-safety/resources/virtual-office-hours

Past recorded virtual office hours can be found on YouTube: https://www.youtube.com/playlist?list=PLZJs5b7KUuvfcquH3ZtQHo5dSmF2m5MdQ


Pollinator Resouces

Now available Pollinator Resource Links


Meeting Recordings Now Available

Did you miss the recent meeting?  Check and see if we recorded it and added it to our website or Lake Ontario Fruit Program YouTube Channel.

Honeycrisp Meetup recordings available here.

Why are my trees growing so poorly? recording available here.

Additional Recorded Webinars listing with recording and resource link are available at
https://lof.cce.cornell.edu/submission.php?id=838&crumb=crops|crops|apples|crop*38



New Publication on Growing Pawpaws

Are you a fan of pawpaws? These custardy fruits can be hard to come across, so this guide provides information on how to grow your own pawpaw from seed, and how to care for grafted seedlings. Pdf on growing now available.​ https://lof.cce.cornell.edu/submission.php?id=799&crumb=crops|crops|unusual_fruit|crop*50

New Weed Management Technology Survey

Want to move away from herbicide reliance? Are you using novel technologies to manage weeds? We want to know about it to inform our weed science research. A team of weed scientists from University of California Davis, Oregon State University, and Cornell University are asking berry, tree fruit, tree nut, and vine crop growers to take 5 to 10 minutes and answer this short and anonymous survey. Weed Technology Survey link: https://cornell.ca1.qualtrics.com/jfe/form/SV_bEpfAijoP7puQDP

For more information on this survey please visit http://blogs.cornell.edu/swd1/2020/12/02/new-weed-management-technology/


Pollinator Webinar Series - Summer 2020

The Pollinator Webinar Series presented by Penn State cover bee health and pollination services.



Bloom Pesticides for Pollinator Health

A reference table created by Janet van Zoeren and Anna Wallis, is now available at https://lof.cce.cornell.edu/submission.php?id=711&crumb=pests|pests.

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