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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

 
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