Statewide reports from the USDA show a considerable surplus of topsoil and subsoil moisture in Southeast Iowa for the first ...

Southern rust has been making its way north with findings right along the Indiana border in Kentucky and there’s now a ...

Disease pressure in certain parts of Indiana is starting to ramp up. “About every field I’m in right now, I can find gray ...

Corn is getting further along. We have some tasseling going on and fungicide being applied. The soybeans are flowering and in ...

Dr. Paul Giordano examines the early surge of gray leaf spot in the U.S. and management practices to prevent its spread.

Note that fungal diseases such as gray leaf spot, northern corn leaf blight and tar spot in corn, or frogeye leaf spot in soybeans, do not require wounding to infect the plant.

Gray leaf spot is a widespread fungal disease in corn, responsible for a 23-million-bushel yield loss in the U.S. in 2024. 1 The challenge with controlling gray leaf spot isn’t just deciding ...

He tells Brownfield managing tar spot has become an annual occurrence as it continues to spread across the Corn Belt. “You can definitely have some overwintering of diseases like tar spot, gray leaf, ...

The increasing prevalence of grey leaf spot (GLS), caused by the fungus Cercospora zeae-maydis, and northern corn leaf blight (NCLB), caused by the fungus Exserohilum turcicum, in South Africa’s ...

The objectives of this study were to identify resistant and susceptible corn inbred lines based on their stability and adaptability for resistance to disease symptoms of gray leaf spot and northern ...

Gray leaf spot gives somewhat the same symptoms, but it generally attacks during the hot weather of July and August. It’s more likely that fungus still hanging around.