Keep an eye out for Tar Spot on Corn

Today we received reports of Tar spot appearing in corn grown in Illinois.  We are currently studying tar spot of corn in the United States, and are requesting that any CCA, producer, or ag professional that encounters this disease, even if outside of Illinois, please send samples to Diane Plewa at the University of Illinois Plant Diagnostic Clinic.

S-417 Turner Hall, 1102 S.Goodwin Ave.
Urbana, IL 61801
Phone: 217-333-0519
Email: plantclinic@illinois.edu

Please note  “Tar spot study” on the sample.