An agronomist says outbreaks of tar spot are getting worse across parts of the Corn Belt.

Trey Stephens with Beck’s tells Brownfield the disease has intensified in Illinois, Indiana and Ohio even though those states have had drier growing conditions this year. “We know about the heavy corn production acres and, of course with higher rain fall amounts, and then in some places having relative high humidity and moderate temperatures.”

He says cases are on the rise in Missouri, Iowa and Nebraska.  

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