“In 2021 we saw tar spot early on the corn-on-corn crops first,” he recalls. “But once it fired up, it was everywhere. Spore clouds infected a lot of fields in a hurry.” In these ...

An agronomist with AgriGold says many farmers have tar spot on their mind. Brian Weihmeir, who covers central Illinois, says ...

Tar spot robbed several key corn-producing states of upwards of 60 bushels per acre in severely infected fields in 2022, according to Purdue University Extension. The Midwest could be on a similar ...