Considerable levels of stalk rot have been occurring in corn in 2019 and these same weather conditions are also favorable for stalk rot development in grain sorghum.
It is important to check corn and sorghum fields for stalk rot diseases prior to harvest. Stalk rot is a stress-related disease. Any stress on a crop can increase both the incidence and severity of stalk rot.
Stalk lodging in corn occurs when the stalk weakens and breaks at some point below the ear. When this occurs, it results in harvest losses and slows down harvest. This article discusses the most common causes for stalk lodging in corn.