Thanks to all who attended. Check back next year for information about our 2024 workshop.
Thursday, August 10, 2023
10:30 a.m. to 4:30 p.m.
Cornell University, Ithaca, N.Y.
- DEC credits:
3 credits in categories 10, 1a, 3a, 3c, 24 and 25. - CNLP credits applied for.
- Cost: $75. If registration fee is cost-prohibitive, please contact Betsy Lamb: eml38@cornell.edu
- Registration closed.
Questions?
Contact Betsy Lamb: eml38@cornell.edu
Program
Registration (10:30-11:00)- Introductions (11:00-11:15)
- Diagnosis & Control (11:15-12:15) – In this session we’ll look at plant problems from samples that participants bring in. We’ll use microscopes and references to determine the problems then we’ll discuss the appropriate management techniques and effective pesticide options. All presenters
- Lunch Break (12:15-12:50)
- Afternoon modules. See descriptions below.
Module 1 (1:00-2:00)
Module 2 (2:05-3:05)
Module 3 (3:10-4:10) - Evaluation and wrap up (4:15-4:30)
Modules:
Integrated Weed Management Based on Species
Bryan Brown, NYS Integrated Pest Management program
How does knowing which weeds you have help with management? We’ll provide an overview of the importance of accurate weed species identification with some sample greenhouse weeds for participants to ID. Then we’ll discuss how management tactics including herbicides should be based on the biology of the weed species present. Demonstrations of flame weeding and various hoeing options available will follow.
CSI: Fertilizer Edition
Neil Mattson, Horticulture Section, School of Integrative Plant Science
You’ve been summoned to a greenhouse crime scene investigation where you need to determine the cause of a major greenhouse fertilizer problem. The symptoms of the problem are under fertilized plants, yellow leaves and sparse growth. You’ve been asked to determine if the cause is an improper fertilizer recipe, an issue with the fertilizer injector, or other causes (such as excess leaching fraction). In this session we’ll learn how to use electrical conductivity meters to check if a fertilizer recipe was mixed correctly and to check injector calibration. We’ll discuss how proactive EC testing of fertilizer stock, dilute fertilizer, and plant Pour Thru leachate samples will help you keep your fertilizer program on track before it gets out of hand. We’ll also discuss linkages between fertilizer concentration and insect/disease/weed pests.
Be prepared: Scouting as the basis for good insect management
John Sanderson, Cornell University
Most growers know that they should scout their operations to identify disease and insect pests, but it takes time that they may not feel they have. We’ll discuss creating a scouting plan that can help make the process faster and more efficient – including mapping the greenhouse, creating/using scouting sheets, use of sticky traps and sentinel plants – and discuss how much time this can take.
