Tar Spot confirmed in Paulding County

Tar Spot was confirmed in Paulding County on September 7, 2021.

This week Tar Spot was confirmed in a cornfield in Paulding County. Below is a picture of what to look for when scouting for Tar Spot.  For more information on Tar Spot please see the links:

  1. https://crop-protection-network.s3.amazonaws.com/publications/tar-spot-filename-2019-03-25-120313.pdf 
  2. https://agcrops.osu.edu/newsletter/corn-newsletter/22-2021/tar-spot-showing-early-year-note-diagnosis
  3. https://agcrops.osu.edu/newsletter/corn-newsletter/2021-30/tar-spot-more-widespread-cross-state-ohio-2021

Thanks,

Tar Spot – What is it?

Figure 2. Tar spot symptoms on leaves both on the lower and the upper canopy. (Photo Credit: Darcy Telenko)

While I have been out in Paulding county scouting in the last week, I have not noticed any tar spot in our cornfields as of yet.  It could be there though as I am not walking in every field. I wanted producers to take note of what Tar Spot looks like and some monitoring from our neighbors in Indiana and information from a previous CORN New Article.  Continue reading