This Week on N Field: Seasonal Effects on Soybean and Sudden Death Syndrome

September 19, 2025

Close-up of a soybean root showing severe discoloration and rot symptoms from sudden death syndrome (SDS), with dark, decayed tissue and bluish fungal growth. Text overlay on the left reads “This Week on N Field: Seasonal Effects on Soybean & SDS,” with the Nebraska N Field Observations logo at the bottom.
Can you tell SDS from brown stem rot? Learn the key field signs — plus the one scouting move that ensures you won’t miss.

Sudden death syndrome is a prevalent issue in many soybean fields across Nebraska this year — are you scouting it correctly? In the latest N Field Observations, Nebraska Extension Plant Pathologist Dylan Mangel shows the telltale signs to watch for and why foliar fungicides won’t fix an infection that started at planting. He also demos the must-do steps to confirm SDS and how to avoid confusing it with brown stem rot. Watch the episode to see the symptoms up close and leave with a simple plan for next season using resistant varieties and the right seed treatments.

Follow the links below to listen to this episode on your favorite platform:

youtube logo thumbnail xs
x logo thumbnail xs
instagram logo thumbnail xs
facebook logo thumbnail xs

A product of Nebraska Extension, N Field Observations is a weekly podcast where UNL professionals share their field observations in brief segments, highlights specific topics and issues occurring in agriculture.


N field observations team member headshots