As you scout and think you’ve found the disease, an easy way to confirm what you’re dealing with is to take your hand and try to wipe the tar spots off the corn plants (gloves are recommended).

Telenko digs into multiple corn diseases, and while the first sign of tar spot was reported around August 15 in Indiana this year, the yield hit that some growers saw in 2021 is something that ...

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

The South Dakota State University Plant Diagnostic Clinic helps producers, gardeners and homeowners assess possible diseases ...

Gray leaf spot, caused by the fungus Cercospora zeae maydis is the most significant yield-limiting disease of corn worldwide [1]. The disease was first reported in Illinois in 1924, and has increased ...