An agronomist is concerned about the spread and earlier detection of corn tar spot this year.

Kurt Maertens with BASF tells Brownfield because of the warm, wet weather in many areas, pockets of the corn belt are seeing tar spot now at tasseling- a time that he says is most devastating for yield if not properly treated.

“There are reports of it across areas of eastern Iowa, Wisconsin, Michigan, Indiana and Ohio right now.

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