According to experts, over 60 Iowa counties’ corn fields are infected with the Southern Rust fungus. Farmers are busy working ...

Take a quick spin around the country with three spray drone service providers as the summer crop spraying season heats up.

As Ken Ferrie evaluates disease challenges he sees in cornfields right now, tar spot comes to the top of his list of concerns. “We’ve got a lot of areas that are picking up these 3-, 4-, 5 ...

Tar spot, a fungal disease that has steadily established itself in Kansas cornfields over the past few years, has been detected again in the state, with the first confirmed report of 2025 ...

Tar spot appears as small, dark, raised spots on infected corn and can appear on the leaves, sheaths and husks, according to K-State. The disease can cause crop losses if left unchecked.