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Be on the lookout for Tar Spot on Corn

Chelsea Harbach

Department of Crop Sciences
University of Illinois

July 5, 2018
Recommended citation format: Harbach, C. "Be on the lookout for Tar Spot on Corn." Department of Crop Sciences, University of Illinois, July 5, 2018. Permalink

The following is posted on behalf of Dr. Nathan Kleczewski, Field Crops Pathologist for Growmark. This content is from the Field Crop Disease Hub webpage Dr. Kleczewski curated. 

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

Please note  “Tar spot study” on the sample.

For more information on tar spot and shipment please click the following link:  Corn Tar Spot wanted CPC 2018

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