Recent rains and what to look for in soybeans and corn
Last week I gave an update on the diseases we are starting to see in parts of Illinois corn. We have had a few decent rain events, the most…
Tar spot in Illinois corn-2020
It's early in the season, but before we know it, corn will be chest high and we will be thinking about if in season management is needed. Last year…
Remember- the tar spot pathogen can survive the winter
As we learn more about tar spot on corn, caused by the fungus Phyllachora maydis, we can better understand how the disease works. The more we understand the disease,…
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 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…