Plant and Pest Diagnostic Clinic

Spores of Exserohilum turcicum

July 2020 Disease Reports from the UNL Diagnostic Clinic

July 16, 2020
Diseases in corn, soybean, and wheat have been confirmed in parts of the state based on samples submitted to the UNL Plant and Pest Diagnostic Clinic from July 1 through July 15.

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submission cooler outside the plant and pest clinic

Plant and Pest Diagnostic Clinic – Updated Submission Procedures

July 9, 2020
As the growing season continues, the Plant & Pest Diagnostic Clinic is here to serve Nebraska growers by helping correctly identify weeds, insects, and plant diseases that are popping up. Due to Coronavirus, there are new recommendations for submitting samples.

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Plant & Pest Diagnostic Clinic Adjusts to COVID-19 Disruption

March 25, 2020
While COVID-19 related issues have hindered normal procedures, the Plant & Pest Diagnostic Clinic will continue to provide diagnostic support and management recommendations through pictures and description of symptoms when possible.

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Kyle Koch
Kyle Koch

Kyle Koch Named New Insect Diagnostician

July 24, 2019
Kyle Koch has joined the Department of Entomology as the new Nebraska Extension insect diagnostician and assistant extension educator.

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Reporting districts

Disease Reports from the UNL Diagnostic Clinic

July 12, 2019
Phytophthora root and stem rot in soybeans and bacterial leaf streak and common rust in corn were among the most common diseases reported in the last two weeks by the UNL Plant and Pest Diagnostic Clinic.

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Illustration of injury symptoms in a field. It is one of several indicators used to diagnose whether injury is caused by a disease, chemical application, or agronomic practice. This field shows random, non-uniform distribution common with diseases.
Illustration of injury symptoms in a field. It is one of several indicators used to diagnose whether injury is caused by a disease, chemical application, or agronomic practice. This field shows random, non-uniform distribution common with diseases.

Using Symptom Distribution to Identify Problems and Guide Management

June 24, 2019
Many factors can cause the emergence issues growers have been seeing in some corn and soybean fields. One of the easiest ways to predict whether the emergence issues are due to a soilborne pathogen(s) or agronomic factors is to look at where symptoms appear in the field.

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Figure 1. Fusarium head blight in a state variety trial in a grower’s field in Jefferson County on June 13. (Photos by Stephen Wegulo)
Figure 1. Fusarium head blight in a state variety trial in a grower’s field in Jefferson County on June 13. (Photos by Stephen Wegulo)

Wheat Disease Update: Fusarium Head Blight

June 14, 2019
As weather conditions continue to favor the development and progression of wheat diseases, Fusarium head blight has increased from trace to moderate to high levels this week.

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What’s New in Plant Pathology

January 9, 2019
This article, from the Proceedings of the 2019 Crop Production Clinics, addresses new and updated product labels for disease management, a report from the Plant and Pest Diagnostic Clinic, changes in the Department of Plant Pathology, and the initial US finding of Fusarium boothii on wheat in Nebraska.

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