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 ...

These spores are then dispersed by wind, rain, or irrigation to the lower leaves of a new corn crop where they may germinate and infect a susceptible hybrid. Infection occurs during wet, humid weather ...

Keep an eye on all disease issues in the field, Kleczewski says, including the more common diseases such as northern corn leaf blight or gray leaf spot. “Your scouting protocol should be ...

you need to act fast as you might be dealing with a condition known as gray leaf spot. This common fungal disease can wreak ...