Stephanie Porter
Outreach Agronomist
309-660-5302
stephanie.porter@ilsoy.org

Stephanie Porter
Outreach Agronomist
309-660-5302
stephanie.porter@ilsoy.org

STEPHANIE PORTER UPDATES

Region 4 | August 15, 2025 | Montgomery

Stephanie Porter
stephanie.porter@ilsoy.org

Caption: Goss’s wilt in corn
Caption: Red crown rot in soybeans in Montgomery Co.
Caption: 20 rows around on this corn hybrid
SYNOPSIS

It has finally stopped raining. Even though we were supposed to have a cool down, it has continued to be very hot and humid. The fungicide on corn appears to be holding fungal diseases below the ear. I did see some Southern rust on the end rows of corn, but not bad as you go into the field. There are obvious disease differences on different hybrids. Corn is almost at full dent. Soybean disease symptoms of SDS are starting to show. Red crown rot has not been a major issue in Montgomery Co., but this year, this disease has unfortunately made its debut and is here to stay. Soybeans are at R4 growth stage.

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
Near Normal (Dnada)
WEATHER

Humid (85F – 98F)

PRECIPITATION

None

FIELD/SOIL CONDITIONS

Dry

SOYBEAN GROWTH STAGE

R4

CORN GROWTH STAGE

R4 – R5

WEEDS

Waterhemp

DISEASES

Corn – Goss’s wilt, Northern corn leaf blight, gray leaf spot, Southern corn leaf blight
Soybean – Septoria leaf blight, red crown rot, SDS