It’s a corn disease issue creeping north and infiltrating fields earlier than it has in the past and one that thrives in high heat and humidity. With increasing reports of southern rust now being ...

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 ...

Tar spot hit some fields hard late in 2024. In fact, on one farm, paid scouts gave the “all clear” in early August. Tar spot came in after that with a vengeance. Since the farm didn’t spray, yield ...

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 ...

What’s usually a rare sight this harvest season — a rain delay — briefly halted work for Ward and Bryant Hunter. An inch of rain Sunday night was enough to pause the combines, but the father-son duo ...

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 ...

Southern corn rust is generally considered a “tropical disease,” but there were unusually widespread reports of the fungus ...

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 ...

As corn planting looms, the dread of disease pressures may be occupying producers’ thoughts. Some of the pesky problems in these parts are relatively new to the headache list, including Tar Spot, ...