Douglas B. Gucker 
IL Extension
dgucker@illinois.edu

Douglas B. Gucker 
IL Extension
dgucker@illinois.edu

DOUGLAS B. GUCKER UPDATES

Region 5 | June 17, 2026 | DeWitt, Macon & Piatt

Doug Gucker
dgucker@illinois.edu

Caption: Early planted soybeans are blooming, the R1 stage.
Caption: Still seeing farmers trying to control tall waterhemp that exceeds the 4-inch height limit. These plants will be burned down, but not controlled and will still go to seed.
Caption: In the past week, some area fields have received more rain than in the entire month of May.
SYNOPSIS

Crops are growing well. Soybeans vary from growth stages V3 to R1. Corn fields vary from V4 to V12. Earlier in the week, farmers and custom applicators were trying to finish up post-emergent herbicide applications ahead of the forecasted rains and storms. Unfortunately, still seeing a few farmers attempting to control tall waterhemp that exceeds the 4-inch recommended height limit for effective control.

WHICH OF THE FOLLOWING BEST DESCRIBES CURRENT CONDITIONS IN THIS COUNTY?
Moderately Wet (soil is damp, standing water may be present in low areas, water bodies are full)