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Region 5 | September 16, 2024 | Champaign

Shelby Weckel
shelby@ehlerbros.com

Caption: Cercospora leaf blight in soybeans.
Caption: Diplodia tip infection showing up after the rains we had and now high heat.
Caption: Tar spot finally showing up in corn fields
SYNOPSIS

We missed the rains over the weekend, and the heat is starting to show stress in fields. Soybean fields are showing their stressed areas by maturing quicker than the rest of the field. Corn is moving along quickly, dropping 1.5 -2 a day in moisture. This will probably result in a little drop in TW as we reach black layer.

WHICH OF THE FOLLOWING BEST DESCRIBES CURRENT CONDITIONS IN THIS COUNTY?
Moderately Dry (soil is dry, plants may be browning or stressed, water bodies are low)
WEATHER

Hot and low humid!!

FIELD/SOIL CONDITIONS

Fields are starting to show signs of moisture stress. I was pulling field signs and I do still find moisture on the post as they are pulled out.

SOYBEAN GROWTH STAGE

Rapidly moving into R4-R6. A few growers are starting on very early varieties.

CORN GROWTH STAGE

R4-R5 and some R6. This heat will push a lot of these hybrids into R6 in the coming days.

DISEASES

Cercospora leaf blight is showing up in certain varieties of soybeans. The leaves will have a brown/bronze/purple coloring.
Starting to see a small amount of tar spot in corn. Thankfully, we are nearing black layer and hopefully we will see little to no yield effect. With this heat, it will not progress. Crown rot is present in some hybrids. We are also seeing diplodia ear rot starting.

OTHER

Have a safe and Happy Harvest!!!

 
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