Episode Details

It's time for some Corn Disease 101.

For our 101st episode, we're going back to school with Iowa State University Extension Field Crops Pathologist Alison Robertson to learn everything about 2026 disease pressure.

She talks with Wyffels Area Agronomy Manager Eric Wilson about the Corn Belt's "yo-yo" weather that's kept disease mostly in check this year. Then they do deep dives on tar spot, southern rust, gray leaf spot, and more.

While this season may feel fairly uneventful for those monitoring crop health, Alison’s insights remind us that knowledge is power. Understanding the diseases present, even at low levels, can help farmers make informed decisions about their crop management strategies. 

Links discussed in this episode:
Crop Protection Network - Fungicide Efficacy for Control of Corn Foliar Diseases
Crop Protection Network - Southern Rust Map
Crop Protection Network - Tar Spot Map
Iowa State University Mesonet
Between The Rows® - Southern Rust
Between The Rows® - Tar Spot

We want to hear from you. Have questions you want us to address on future episodes? Ideas for how we can make this better? Email us at agronomy@wyffels.com. 

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