cropCENTRAL | Field Crop Production Resources

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).
Aaron Hager, Extension Weeds Specialist, University of Illinois
The last day to apply dicamba-containing products to dicamba-resistant soybean is Monday,…

• Corn rootworm populations have expanded over the last several years in northern IL
• We’re recruiting volunteers to help monitor rootworm populations
• If you are interested in rootworm trapping, send an email to nseiter@illinois.edu with your contact information, shipping address, and how many fields you plan to monitor

Both western and northern corn rootworm population levels have increased over the last couple of years as resistance to Bt traits becomes more widespread.…

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).
Aaron Hager, Extension Weeds Specialist, University of Illinois
Residual herbicides applied with postemergence soybean herbicides also can reduce the need for a second postemergence application.…

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, University of Illinois
I’ve received a report of some economic stand losses from black cutworm in the area around Effingham County;…

While planting has been slow in 2022, moth flights have been steady across much of the state. Regular flights have been observed through much of the northern two-thirds of the state. Several counties have reported significant moth flights (9 or more moths over a 2-night span). We can use the date of the significant flight to predict potential cutting dates based on degree day predictions.
A few key things to note:
Black cutworm moths are strong migratory insects with northward flights commonly observed from Gulf States into the Midwest from March through May.…