Unexpected disease patterns, shifting crop susceptibility, and fungicide resistance are changing every spray decision.

Focus on return on investment. You can lose money applying a fungicide, particularly on a hybrid or variety that has ...

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 ...

A “wait-and-see” strategy will work for a lot of pests and diseases, but southern rust isn’t one of them. After widespread pressure across the Midwest in 2025, this disease is no longer just a ...

BROOKINGS, S.D. - Southern rust was found in Union, Clay and Minnehaha Counties at low incidence and severity, says Emmanuel Byamukama, South Dakota State University Extension plant pathologist.

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 ...

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 ...