This Week on N Field: Tar Spot Management

July 9, 2025

A corn leaf showing symptoms of tar spot—numerous small, black specks scattered across the surface—with the text “This Week on N Field: Tar Spot Management” and the University of Nebraska’s N Field Observations logo overlaid.
Tar spot is showing up in Nebraska — but spraying now might not be your best move. Learn why timing matters and what early disease sightings really mean in this episode of N Field Observations.

Tar spot in corn is showing up — but is it too early to spray? In this episode of N Field Observations, Nebraska Extension Plant Pathologist Tamara Jackson-Ziems shares why early sightings shouldn't trigger panic, when fungicide timing really pays off, and how to keep your management options open later in the season. Watch now to sharpen your scouting strategy.

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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.


 

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