2025 Listeria Workshop
Event Details
Date
August 15, 2025
Time
8:30am - 4:30pm
Location
Wallington Fire District
7863 Ridge Rd
Sodus, NY 14551
Cost
Registration : $40.00
(addl attendee $40.00 ea.)
3 people per packinghouse/business maximum
Host
Lake Ontario Fruit ProgramJoin Cornell specialists, faculty, and graduate students for an in-depth review of risk factors, best practices, and monitoring programs aimed at controlling Listeria in apple packinghouses. Lunch is included. Each packinghouse/business is permitted a maximum of three attendees.
Agenda
Morning Session: Wallington Fire District, 7863 Ridge Rd., Sodus, NY 14551
8:00 AM Registration & Refreshments
8:30 AM Welcome & Introductions - Craig Kahlke, CCE-LOF
8:45 AM Listeria in the Produce Packhouse Environment
Dr. Abby Snyder, Associate Professor, Cornell University
Teach-Back Exercise Overview
Dr. Betsy Bihn, Director, Produce Safety Alliance, Cornell University
10:00 AM Break
10:15 AM Cleaning and Sanitation
Corrective and Preventive Action (CAPA) Case Study
Calvin Slaughter, Graduate Student, Cornell University
11:15 AM Verification with Environmental Monitoring Programs
Lyle Massoia, Graduate Student, Cornell University
12:15 PM Additional Q & A
12:30 PM Lunch
1:30 PM Drive to Wayne County Fruit Sales
Afternoon Session: Wayne County Fruit Sales, 5930 Shaker Rd, North Rose, NY 14516
1:45-2:15 PM Packinghouse Tour & Description of Break-Out Sessions
Breakout Sessions (2:15-4:15 PM): 20 Minutes per activity
Case Study Identifying Listeria monocytogenes Risk Factors in Packinghouses
Lyle Massoia & Calvin Slaughter, Graduate Students, Cornell University
Teach-Back Exercise
Dr. Betsy Bihn, Director, Produce Safety Alliance, Cornell
Cleaning of Roller Brushes & Areas Adjacent to Food Contact Surfaces
Dr. Abby Snyder, Associate Professor, Cornell University
Using ATP Testing to Verify Cleaning Effectiveness
Lyle Massoia, Graduate Student, Cornell University
Sanitizer Concentration Verification
Calvin Slaughter, Graduate Student, Cornell University
Proper Cleaning of Drains
Dr. Betsy Bihn, Director, Produce Safety Alliance, Cornell University
Upcoming Events
Post-Bloom Insect & Disease Management, Freeze Events Info, and Thinning Recommendations
May 13, 2026
Join the post bloom meeting zoom.
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.
