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Region 5 | July 27, 2023 | United States

Doug Gucker
dgucker@illinois.edu

Caption: Most soybeans are in the R4 growth stage.
Caption: Noticing more soybean fields with late season weed escapes showing above the crop canopy.
Caption: Little leaf disease evident in corn or soybean fields.
SYNOPSIS

With my area still listed as being in “Moderate Drought”, crops are still looking good. Most soybean fields are in the “full pod” or R4 stage. I surveyed 50 consecutive soybean fields on my drive and 13 (26%) of those fields had weed escapes present across the field and volunteer corn was not considered a weed escape. This is another effect of this year’s dry spring weather on the effectiveness of residual and post-emergent herbicides. Most corn fields are in the late “milk” or R3 stage or beginning “dough” or R4 stage. There is some tipback on the corn ears present. Very little leaf disease is showing up in area crop fields, which is common in a drought.

WHICH OF THE FOLLOWING BEST DESCRIBES CURRENT CONDITIONS IN THIS COUNTY?
Mildly Dry (soil is drier than normal, plant growth may have slowed)
IF CONDITIONS ARE ON THE DRY END, WHICH OF THE FOLLOWING US DROUGHT MONITOR CATEGORIES BEST FIT CURRENT CONDITIONS
Moderate Drought (D1)