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Late season tar spot- what is on the horizon?

Nathan Kleczewski
September 4, 2019
Recommended citation format: Kleczewski, N.. "Late season tar spot- what is on the horizon?." Department of Crop Sciences, University of Illinois at Urbana-Champaign, September 4, 2019. Permalink

There has been some chatter about tar spot starting up a bit in Northern Illinois corn fields.

Tar spot risk map as of 9.3.19. Most fields are near or past R5 in many of the areas in question.

However, crops are almost at R5 in many places.  What options do we have and what can you expect?  Check out our new post on the Illinois Field Crop Disease Hub by clicking here.  Remember to sign up at the website for updates and look forward to new materials such as factsheets, images, and guides by Spring, 2020!

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