Tar spot, a fungal disease that can cause severe yield loss on susceptible hybrids, continued to spread quickly across the Corn Belt in 2019.
Prior to 2019 planting, AgVenture published an update on the advancement of tar spot across the Midwest. As of last week, AgVenture Corn Product Manager Darren Bakken has seen the disease move as far west as Boone County, Iowa.
Tar spot is a fungal leaf disease that infects corn leaves and causes lodging and yield losses. First confirmed in 2015, it has rapidly spread in persistence and reach. Yield losses from tar spot infection can be severe.
Tar spot is a fungal leaf disease that infects corn leaves and causes lodging and yield losses. It has made an abrupt entrance to Midwest and Florida cornfields in the past couple of years.