Region 3 | June 3, 2026 | McLean
Stephanie Porter
stephanie.porter@ilsoy.org
Caption: Waterhemp coming on strong, in V4 corn
Caption: Minor slug damage showing on soybeans in ISA on-farm trial sulfur trial.
Caption: Leaf rust scattered across a wheat variety.
SYNOPSIS
Planting on the ISA farm has been completed and emergence of both corn (V3) and soybeans (VC) looks great. Nearby V5 corn will need to be sprayed soon as waterhemp is quickly advancing in size. Wheat has reached the grainfill stages with minor, scattered head scab as well as leaf rust.
WHICH OF THE FOLLOWING BEST DESCRIBES CURRENT CONDITIONS IN THIS COUNTY?
Near Normal
IF CONDITIONS ARE ON THE DRY END, WHICH OF THE FOLLOWING US DROUGHT MONITOR CATEGORIES BEST FIT CURRENT CONDITIONS
Near Normal (Dnada)
WEATHER
70’s F during the day and 50’s F during the night – Live weather conditions at the ISA Agronomy Farm: https://www.ilsoy.org/isa-agronomy-farm/
PRECIPITATION
.20 inched on 6/3 – Live weather conditions at the ISA Agronomy Farm: https://www.ilsoy.org/isa-agronomy-farm/
FIELD/SOIL CONDITIONS
Dry
SOYBEAN GROWTH STAGE
VC – V2
CORN GROWTH STAGE
V3 – V5
WHEAT GROWTH STAGE
Feekes 11. 1 / 11.2
INSECTS
Slugs under control with dry, warm weather
WEEDS
Waterhemp
DISEASES
Leaf rust and scab on wheat












and then