Plant and Pest Diagnostic Clinic

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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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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Stalk rots in corn
Stalk rots in corn

Corn & Soybean Diseases Confirmed Sept. 13-28

September 28, 2018
Various corn stalk rots lead the list of corn and soybean diseases confirmed by the UNL Plant and Pest Diagnostic Clinic September 13 - 28. Diseases are listed by reporting district.

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Soybean leaf exhibiting sudden death syndrome

Diseases Confirmed in Corn, Soybean, and Sorghum Aug. 29 - Sept. 13

September 14, 2018
Sudden death syndrome, charcoal rot, and Anthracnose were among the soybean diseases confirmed by the UNL Plant and Pest Diagnostic Clinic in the last two weeks. In corn gray leaf spot, leaf spots, and crown and root rots led the list of confirmed diseases.

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Frogeye leaf spot on a soybean leaf

Diseases Confirmed in Corn and Soybean July 26-Aug. 15

August 17, 2018
Corn and soybean diseases confirmed by the university's Plant and Pest Diagnostic Clinic from July 26 to August 16.

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