cropCENTRAL | Field Crop Production Resources

Nick Seiter, Field Crops Entomology Specialist, University of Illinois
I conducted a survey along the northwestern border of Illinois (roughly Quincy to Galena) for the potentially invasive soybean gall midge; we didn’t find it, and have never observed it in Illinois, so that’s good news. What I did see in that part of the state was (1) more stink bugs than I’m used to seeing up there; (2) several isolated areas with spider mites damage (some of this was old damage,…

Nick Seiter, Extension Field Crops Entomology Specialist, University of Illinois
As many soybean fields start to reach R5, begin scouting for stink bugs. Populations appear to be elevated in some areas; economic threshold is 9 per 25 sweeps or 1 per row-ft. Spider mites continue to be found in isolated areas that are experiencing drought stress.
Talon Becker, Commercial Agriculture Extension Educator, Southern IL
In south central IL, crop conditions are still good in most fields.…

Each week, I put out a request to crops educators and specialists from the University of Illinois to compile an update to share with the entire state. We hope you find this information useful. If you have any questions or suggestions about the format or any feedback in general about these updates, please email me (harbach2@illinois.edu).
Trent Ford, Illinois State Climatologist, Illinois State Water Survey
Following a cold front that moved through mid-week,…

Each week, I put out a request to crops educators and specialists from the University of Illinois to compile an update to share with the entire state. We hope you find this information useful. If you have any questions or suggestions about the format or any feedback in general about these updates, please email me (harbach2@illinois.edu).
Nick Seiter, Field Crops Entomology Extension Specialist
Recent heavy rains should help to slow down or stop pockets of spider mites in soybean in drought-stressed areas.…