Southern rust is caused by the fungus Puccinia polysora. Symptoms of southern rust are different from common rust in that they are typically smaller in size and are often a brighter reddish-orange ...

The weather conditions of 2025 were perfect for a southern rust outbreak across the Midwest, resulting in many growers having to make late-season decisions on disease management. Southern rust is a ...

MAXWELL, Iowa — For the past several weeks, a corn disease called southern rust has been quickly spreading across Iowa. According to the Crop Protection Network, it is already in 40 Iowa counties as ...

The Gazette offers audio versions of articles using Instaread. Some words may be mispronounced. Southern rust appears on a corn plant’s leaf. The disease has popped up throughout Iowa through a ...

Southern corn rust was confirmed in Richardson, Nemaha, Otoe, and Thayer Counties on Thursday. Cass and Fillmore counties were confirmed Monday followed by Seward County on July 19, and York County ...