What do low tar spot disease levels and prevent plant acres mean for 2020 corn crop?
2019 was certainly a year we are all looking forward to wrapping up, and many are starting to do just that throughout the state. Our lab started harvesting both…
Tar spot starting to flare up in parts of Northern Illinois
The cooler temperatures and rains that have moved through the Northern part of Illinois the past 10-14 days have been favorable for the development of tar spot on corn. …
Southern rust of corn-keep your eyes peeled!
Southern rust is caused by the obligate fungal pathogen Puccinia polysora. Puccinia polysora produces fuzzy, raised structures called pustules on leaves and stalks of corn. Pustules contain thousands…
Tar spot and Southern rust reported in nearby states-FHB update
Today there were two first observations for some important corn diseases in surrounding states including tar spot and southern rust. Click here to access my article posted on The…
Illinois disease update 7/11/19
Crops are finally starting to pick up growth throughout the state. In parts of the south we have tasseling corn, while we will hit VT soon in some of…
Tar spot on corn risk map for 6.27.19
The UIUC applied field crop pathology lab will be monitoring Tarspot risk this season though testing the Tarspotter forecast application under development by the University of Wisconsin Madison. The…
Understanding Tar spot risk maps for corn
We are working with our colleagues at the University of Wisconsin-Madison to test and improve their weather based forecasting tool for tar spot on corn. This tool is currently…
Potential Holcus spot on a young corn plant.
Holcus spot in Illinois Corn
This week, growers and ag professionals have noticed round tan colored lesions with red margins and yellow halos on Illinois corn. These symptoms likely were a minor disease called…
Second Free Webinar on Tar spot- March 11th, 9am CST
We are offering a second free webinar on tar spot of corn for those of you who were unable to attend today's meeting. To access the registration click here
Register now for Tar spot webinar
Tarmageddon- What We Learned from 2018 3/1/19 at 9:00 am CST Join Dr. Nathan Kleczewski from the University of Illinois Extension for an update on Tar spot in…