With the warm and wet conditions this season, southern rust is on the rise in Midwest corn crops. It may be time to start considering the impact that could have on corn silage and preparing to adjust ...

Addressing corn disease pressure in-season is rarely a matter of “if” and more likely “when.” Coming off heavy disease pressure from 2025, now is the time to put your plan together for how you’ll ...

SIOUX FALLS, S.D. (AP) -- A late-summer string of hot, humid weather has brought an unwelcome visitor to South Dakota's corn crop. Southern rust, a leaf disease caused by spores blowing in from ...

Southern corn rust, caused by the obligate biotrophic fungus Puccinia polysora, poses a serious threat to maize (Zea mays) production worldwide. Genetic resistance offers a sustainable means of ...

Tire tracks run through a field of corn in Iowa. A fungus that attacks corn has spread to over 40 Iowa counties. Southern rust creates reddish-orange patches on the tops of corn leaves. This blocks ...

BROOKINGS, S.D. -- Southern rust was confirmed in South Dakota's Turner, Brookings and Lincoln counties. According to Emmanuel Byamukama, South Dakota State University Extension plant pathology ...

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 ...

Agriculture experts recommend farmers take action now on one particularly bad problem. Afternoons heat indeces over 110 can really take a toll on crops, but it's perfect for allowing diseases to breed ...

Texas A&M AgriLife researchers discovered they can predict corn southern rust epidemic outbreaks by utilizing unmanned aerial systems, UAS, or drones, early enough to help prevent economic damage for ...

Southern Corn Rust: Southern corn rust was officially confirmed in Posey County this week. We currently have two positive counties and one probable in Indiana. We need your help – if you are out ...

Southern corn rust was confirmed on corn leaf samples from Fillmore and Nuckolls counties in southern Nebraska recently. The disease had been confirmed in several states south and east of Nebraska ...

Gray leaf spot is also active in the lower canopy at multiple sites across the state. The lesions are light tan in color and generally narrow and rectangular, and can be as long as 2 inches. As the ...