As I traveled around the state this past week, I found more fields getting closer to tassel, which often brings on the question of fungicide application. Although this practice is commonly one of great debate, one situation in which many get behind this practice is when there is disease present.

A cooler and wetter season has already brought on some early sightings of northern corn leaf blight (NCLB), which many would agree was 2014’s "disease of...