Disease Management

Men and women look at soybean plant near field
Attendees gather in the field for discussion during the 2023 Soybean Management Field Days in Dewitt. (Department of Agronomy and Horticulture photo)

New Format for Nebraska Soybean Management Field Days

July 23, 2024
New in 2024, three of the four Soybean Management Field Days will be hosted during evening hours at sites across eastern and central Nebraska.

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Mushroom-like structures on ground

Take Action Now: White Mold Threat in Soybeans

July 12, 2024
White mold significantly impacted Nebraska soybean yields in 2023, and proactive management is crucial for this season. 

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Closeup of black spots on corn leaf
Figure 1. Tar spot black stromata develop on the upper leaf first then become visible underneath too. Over time, the spots increase in size and elongate. (Photos by Tamra Jackson-Ziems)

Corn Diseases Developing in Some Fields — What To Watch

July 12, 2024
Tar spot has been confirmed in several eastern Nebraska counties in recent weeks, and distribution of the fungus is expected to continue expansion this year.

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N Field logo

This Week on N Field: Tar Spot 2024

July 12, 2024
Nebraska producers should be on the lookout for tar spot — watch this episode of N Field for quick tips on scouting and identification.

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People standing in wheat field
Figure 1. A wheat field day at the High Plains Ag Lab in Cheyenne County on June 13.

Wheat Disease Update for June 14, 2024

June 14, 2024
As of this week, stripe rust has been observed in all wheat-growing regions of Nebraska. Leaf rust has expanded range as well but is not expected to significantly impact yield.

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Man and woman stand in wheat field
The university developed this new wheat variety through a group effort headed by Stephen Wegulo, professor of plant pathology and plant pathologist for Nebraska Extension, and Katherine Frels, Nebraska’s small grains breeder and an assistant professor of agronomy and horticulture. (Photo by Craig Chandler, University Communication and Marketing)

Nebraska-developed Wheat Variety to Address New Fungal Threat

June 12, 2024
The University of Nebraska–Lincoln is releasing a new wheat variety, NE Prism CLP, that stands out for its resistance to fungal disease, including fusarium head blight.

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Diseased soybean plant in field

Diverse Seedling Diseases Present in Nebraska Soybeans

June 6, 2024
Identifying some of the common soybean diseases in Nebraska can be difficult, as they often share similar features. Here, Extension Specialist Dylan Mangel outlines characteristics and management options for each seedling disease. 

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Green wheat field in Nebraska
Figure 1. A grower’s wheat field in Webster County on May 28.

Wheat Disease Update for May 30, 2024

May 30, 2024
Severe infections of stripe rust were observed this week in Nebraska wheat fields, and leaf rust was identified for the first time this season.

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