A new disease is plaguing cornfields across the Midwest. Phyllachora maydis is the fungus that causes a corn disease called ...

“Tar spot pressure is typically higher in areas such as those closer in proximity to the great lakes (e.g., Northwest Indiana), river bottoms, and irrigated corn acres,” Purdue researchers ...

“These are my personal observations, and I reserve the right to change them as we learn more about tar spot,” he adds. Keep in mind those fields of corn affected in 2021 will be back in corn ...

Some of the pesky problems in these parts are relatively new to the headache list, including Tar Spot, Southern Rust and Corn Stunt. Those diseases attack corn plants by limiting photosynthesis ...

Swenson is the corn product manager for Peterson Farms Seed. He says along with tar spot, cyst nematode is also something to watch out for. Cup of Agronomy sessions are scattered through the area.