University of Illinois Extension Agronomy Update
McHenry County Agronomy Update
February 18, 2026
9:00 a.m.- 11:30 a.m.
U of I Extension Office, McHenry County
1102 McConnell Road, Woodstock, IL 00098
University of Illinois Extension will host the McHenry County Agronomy Update on February 18, 2026, providing producers, agribusiness professionals, and Certified Crop Advisers with timely insights on crop disease trends, weed science, and integrated management strategies for the 2026 growing season.
Program Highlights
9:00 a.m. – Welcome and Introductions
9:05 a.m. – 2025 Fungal Disease Update
Presenter: Steve Brand, Extension Agriculture Specialist
Brand will review the most significant fungal diseases affecting Illinois crops in 2025, including Tar Spot, Southern Rust, and Red Crown Rot. His session will cover their impact on production, management considerations, and expectations for the 2026 season.
10:00 a.m. – Talking Weed Adaptability
Presenter: Dr. Aaron Hagar, Extension Specialist, Weed Science/IPM
Dr. Hagar will discuss the increasing adaptability of weeds and the continued evolution of herbicide resistance in Illinois cropping systems. His presentation will focus on integrated weed management strategies essential for maintaining effective control.
11:00 a.m. – Question & Answer Session
Participants will have the opportunity to engage with both Dr. Hagar and Steve Brand to discuss local issues, management challenges, and 2026 planning.
Additional Information
Certified Crop Adviser (CCA) credits have been applied for.
Contact Dawn Sveen at the Extension office if you have any questions or need accommodations.
dsveen@illinois.edu
847-338-3737