Tar spot, a fungal disease of corn, has spread to more Midwest fields this year. Jim Donnelly is an agronomist for Asgrow/DEKALB in Northern Illinois,
“With respect to my territory, I have a geography essentially from Interstate 80 North to Wisconsin. Every county has it, every field has it, every corn plant has it and probably every corn leaf has it.”
Donnelly says Tar Spot was found in the U.S.
Continue reading Tar Spot covers more Midwest fields this season at Brownfield Ag News.
