Indiana Corn: Tar Spot – What To Know And New Research Jun 18, 2022

🕔Jun 18, 2022
What is Tar Spot? Due to its relatively recent U.S. discovery and its ability to cause significant production and economic losses, tar spot is often a topic of angst and […]

Corn: Tar Spot Ratings Aid Hybrid Selection – DTN Mar 22, 2022

🕔Mar 22, 2022
Tar spot is top of mind for many corn growers heading into spring planting, and seed companies are increasingly providing information about what hybrids can better tolerate the relatively new […]

Missouri Corn, Soybeans: Top 3 Emerging Disease Issues Going Into 2022 Mar 11, 2022

🕔Mar 11, 2022
1. Tar spot of corn Who: Tar spot of corn, Phyllachora maydis What: An emerging disease threat to corn production in Missouri. Tar spot manifests itself with development of black, tar-like spots (stroma) […]

Midwest Corn: Watch for Tar Spot in 2022 – DTN Feb 4, 2022

🕔Feb 4, 2022
Tar spot could threaten corn this growing season just like it did in 2021. Damon Smith, a University of Wisconsin associate professor and plant pathologist, delivered the prediction recently at […]

Indiana Corn: Management Considerations for Tar Spot Jan 31, 2022

🕔Jan 31, 2022
In Indiana, tar spot has been an annual concern since 2018 when growers experienced 20-60 bu/A loss. This past season favorable weather conditions led to another severe epidemic where there […]

Minnesota Corn: Tar Spot – Increasing Distribution, Severity Oct 28, 2021

🕔Oct 28, 2021
Tar spot of corn increased in distribution and severity in Minnesota in 2021 compared to previous years. It developed widely in SE MN where it developed previously, and spread west […]

Nebraska Corn: Tar Spot Confirmed in Several Eastern Counties Oct 26, 2021

🕔Oct 26, 2021
Tar spot, caused by Phyllachora maydis, was confirmed in several eastern Nebraska counties during recent weeks (Figure 1). Tar spot initially developed in western Iowa in September 2019, but was seemingly […]

Midwest Corn: 5 Takeaways for Dealing with Tar Spot Sep 29, 2021

🕔Sep 29, 2021
If you want to know what dominated Jim Donnelly’s summer, just take a peek at his phone. “I’ve got more pictures of tar spot on my phone than I do […]

Kentucky Corn: Tar Spot Confirmed in State Sep 25, 2021

🕔Sep 25, 2021
Tar spot on corn was confirmed by the University of Kentucky Plant Disease Diagnostic Laboratory (PDDL) in Princeton, Kentucky last week. Corn samples submitted by Curt Judy, Todd County Extension […]

Iowa Corn: End of Season Thoughts – Stalk Rot, Ear Rot, Tar Spot Sep 16, 2021

🕔Sep 16, 2021
As the 2021 growing season comes to a close, what should you be thinking about in terms of corn disease and how that might impact your harvest plans? Crown and […]

The Latest

Send press releases to

View All Events

Send press releases to

View All Events