Southern Rust Confirmed Near Illinois: What You Need to Know
Southern rust of corn, caused by the fungus Puccinia polysora, has recently been confirmed in counties of Indiana and Kentucky bordering southern Illinois. While not yet confirmed in Illinois this season, its proximity makes it important to stay alert, scout actively, and be prepared to manage the disease if it arrives.
Recognizing Southern Rust
Southern rust produces small, orange to light-brown pustules typically found on the upper surface of corn leaves, often concentrated in the upper canopy.…