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 ...

Tar spot was discovered at a Purdue irrigation research plot and monitored by Darcy Telenko, Extension plant pathology specialist, and Lyndon Kelly, Extension irrigation specialist from August through ...

An extension plant pathologist is providing corn farmers evaluations of fungicides from 2024. Dr. Alison Robertson with Iowa ...

University of Illinois scientists screened 25 corn lines with exotic germplasm and found multiple accessions showing natural resistance to the new-to-North-America fungal disease, tar spot.

Many people are involved in the remarkable range of programs, services and facilities that undergird research in the College of Agriculture. Collectively they’re integral to the college fulfilling its ...

South Dakota State University Extension will host a webinar about tar spot for corn producers and industry professionals on March 7, 2025, from 9 a.m. to noon CST.This online event, titled ...

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 ...