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In Case You Missed It: Tar Spot in Corn is Officially is Iowa

December 12, 2018

In case you missed Iowa State Extension and Outreach Corn Pathologist Alison Robertson's presentation on corn diseases at this year's Integrated Crop Management (ICM) conference, tar spot in corn has been officially confirmed, and has been identified in several counties in the state of Iowa. 

Foliar Fungicide Decisions for Late-Planted Crops

July 22, 2019

A new article recently released through the Crop Protection Network (CPN) discusses how to make fungicide decisions in corn and soybean, given the delayed planting scenarios across the Midwest. The article takes into account yield potential at various planting times throughout the North Central region, as well as the previous wet and cool conditions when evaluating for a positive return on investment, in 2019. Also considered in the article is the potential damage that frost can do to overall yield, which also impact your return on investment. 

A Sticky Situation: How Tar Spot Makes Your Ears Smaller

I See Dead Plants

On this episode of the I See Dead Plants Podcast, host Ed Zaworski speaks with Dr. Darcy Telenko about tar spot, a new disease of corn in the United States. Dr. Telenko is an Assistant professor of Plant Pathology at Purdue University who specializes in diseases of field crops.

Additional Resources:

Tar Spot of Corn Publication from the Crop Protection Network.

Tar Spot of Corn Web Book from the Crop Protection Network.

Tar Spot Distribution Map from the Corn ipmPIPE.

Tarspotter Disease Forecasting App from the University of Wisconsin-Madison.

How Tar Spot of Corn Impacted Hybrid Yields During the 2018 Midwest Epidemic from the Crop Protection Network.

Will a Second Fungicide be Worth the Cost for Tar Spot Management? from the Crop Protection Network.

Recovery Plan for Tar Spot of Corn, Caused by Phyllachora maydis in Plant Health Progress.

Tar Spot: An Understudied Disease Threatening Corn Production in the Americas in Plant Disease.

Documenting the Establishment, Spread, and Severity of Phyllachora maydis on Corn, in the United States in the Journal of Integrated Pest Management.

Fungicide Efficacy for Control of Corn Diseases from the Crop Protection Network.

Fungicide Use in Field Crops web book from the Crop Protection Network.

How to cite this podcast:

Zaworski, E. (Host) and Telenko, D. (Interviewee). A Sticky Situation: How Tar Spot Makes Your Ears Smaller. S1:E4 (Podcast). September 30, 2021. In I See Dead Plants. Crop Protection Network. Https://