Kyle Broderick - Extension Educator and Coordinator of the UNL Plant and Pest Diagnostic Clinic

Loren Giesler

faculty
Work Plant Sciences Hall (PLSH) 448
Lincoln NE 68583-0722
US
Work 402-472-2559 On campus, dial 2-2559
Yellowed wheat field from wheat streak mosaic disease complex

Wheat Disease Update for May 17, 2024

May 17, 2024
The prevalence of stripe rust has significantly increased in Nebraska, with infections identified in 15 southern counties so far.

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Field with wheat disease

Wheat Disease Update: Stripe Rust Confirmed in Nebraska

May 10, 2024
The appearance of wheat disease has increased in Nebraska, with new observations of stripe rust in several counties and low levels of barley yellow dwarf and leaf spot diseases.

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Stripe rust on wheat leaf

Wheat Disease Update for May 3, 2024

May 1, 2024
Diseases observed in Nebraska wheat fields so far this growing season have been minimal, but producers should be on the lookout for stripe rust, as infections have been identified in two southern Nebraska counties.

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Stripe rust
Figure 1. Stripe rust in a grower’s wheat field in Deuel County on June 12. (Photo by Stephen Wegulo)

Update on Rust Diseases of Wheat – June 16, 2023

June 16, 2023
Stripe rust and leaf rust were observed in Nebraska fields this week; however, these diseases are not expected to cause significant yield reductions due to their late arrival in the wheat growing season.

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SCN nematodes

Sample for Soybean Cyst Nematode This Fall

September 29, 2022
Soil testing is the only way to accurately identify and monitor soybean cyst nematode, which may be the cause of unidentifiable yield loss during fall harvest.

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Stunted soybean plant

Phytophthora Root and Stem Rot is Appearing in Nebraska Soybean Fields

July 21, 2022
Disease development will be most rapid in low areas of the field that are poorly drained or where compacted soils are present, but can occur in well-drained fields during periods of excessive moisture.

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Alfalfa field
Proper seed selection is the first line of defense for disease management of Phytophthora root rot and anthracnose, which can cause significant losses in a short amount of time.

Alfalfa Seed Selection to Help Manage Diseases

April 6, 2022
As you think about selecting alfalfa varieties to plant this year, be sure to consider varieties available with greater resistance to diseases like anthracnose and Phytophthora root rot.

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Tar spot on corn
More severe tar spot pictured in western Iowa in October 2019.

Tar Spot Disease of Corn Confirmed in Several Nebraska Counties

October 21, 2021
Tar spot was confirmed in seven eastern Nebraska counties during recent weeks, and there are likely additional corn fields in other counties where the disease can be found.

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