Gray leaf spot, caused by the fungus Cercospora zeae maydis is the most significant yield-limiting disease of corn worldwide [1]. The disease was first reported in Illinois in 1924, and has increased ...

Weed escapes should also be scouted at this stage, as well as any foliar diseases. Past V6 and approaching VT, be sure to scout for gray leaf spot, Northern Corn Leaf Blight (NCLB), and Curvularia ...

Tar spot decimated many central Illinois cornfields in 2021. But the disease was nearly a no-show in those same fields this past year. One farmer recently asked Ken Ferrie, “What kind of risk do ...

Iowa farmers say a foliar fungicide application can add more bushels per acre by preventing losses to disease pressure and ...

On extremely hot and dry days, an irrigation event can decrease canopy temperature close to 50 degrees Fahrenheit. Relative ...