Precision Crop Load Management 2015 - Information and Tools for the Job
Learning and implementing precision apple thinning will not be difficult this year. We have videos and a webinar that will bring you up to speed on this very important crop management tool.
Video 1: Precision Crop Load Management (PCLM) – An overview of PCLM and its benefits by Dr. Terrance Robinson
https://www.youtube.com/watch?v=DixETqPgLa4&feature=youtu.be
Video 2: PCLM Conversations with Growers - NY grower’s perspective on PCLM
https://www.youtube.com/watch?v=S-CFHzA6hJM&feature=youtu.be
Video 3: Learning Precision Apple Thinning – The details on how to implement the thinning protocol on your farm
https://www.youtube.com/watch?v=VoC2rRIsb-g&feature=youtu.be
PCLM Webinar: 2015 Webinar by Terrance Robinson reviewing the benefits of PCLM and the 2015 protocol for precision thinning
https://cornell.webex.com/cornell/ldr.php?RCID=56af8ee7a0c79a21953bf8314ef9b81b
Precision Thinning Steps for 2015: A printable word document that you can carry with you when starting the protocol on your farm. See Document Below.
Fruit Count per Tree Calculator for 2015: An excel spreadsheet that will help you calculate a target fruit count per tree based on achievable yields and fruit size desired. See Document Below
The work of the Precision Chemical Thinning Program is supported by the Apple and Research Development Fund.
Precision Thinning Steps – 2015 (pdf; 86KB)
Fruit Count per Tree Calculator - Precision Thinning 2015 (xlsx; 11KB)
Upcoming Events
2026 Tree Fruit & Small Fruit Twilight Meetings
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!
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!
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!
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.
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.
