Ferrie says. “My response is, ‘Do you see tar spot in your fields.’ Finding it is where you need to start.” As you scout and think you’ve found the disease, an easy way to confirm what ...

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

Tar spot decimated many central Illinois cornfields in 2021. But the disease was nearly a no-show in those same fields this past year. One farmer recently asked Ken Ferrie, “What kind of risk do ...