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

Loren Giesler

Kyle Broderick

(faculty)

Asst Exten Educator Plant Pathology University of Nebraska–Lincoln

Work Plant Sciences Hall (PLSH) 448

Lincoln NE 68583-0722

Work 402-472-2559 On-campus 2-2559

kbroderick2@unl.edu

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What’s New in Plant Pathology: Changes in the Plant & Pest Diagnostic Clinic July 2, 2018

Plant Pathology Welcomes a New Team Member

Crop Diseases Confirmed by the Plant and Pest Diagnostic Clinic June 29, 2018

The University Plant and Pest Diagnostic Clinic reports on corn, soybean, and wheat diseases confirmed in samples submitted from May 15 to June 7.

Goss's bacterial wilt and blight and northern corn leaf blight on the same corn leaf. — Figure 1. Goss’s bacterial wilt and blight (top) and northern corn leaf blight (lower) lesions may be easily confused. Note the darker water-soaked appearance of the Goss’s wilt lesion and presence of the dark freckles. The northern corn leaf blight lesion is tan in color and has rounded ends. (Photos by Tamra Jackson-Ziems)

Differentiating Corn Leaf Diseases June 29, 2018

Symptoms of various corn leaf diseases can look very similar in the early stages. Here's how to differentiate one from another of those recently reported in the state.

Crop Diseases Confirmed by the Plant and Pest Diagnostic Clinic June 8, 2018

Diseases identified in corn, soybean, and wheat crop samples submitted to the university's Plant and Pest Diagnostic Clinic in the past three weeks are listed. Reports are grouped here by crop and reporting district.

Examples of good and bad samples received at the Plant and Pest Diagnostic Clinic — Figure 1. How you package your plant sample can significantly affect the quality of the diagnoses you receive. Above are several samples received recently by the university's Plant and Pest Diagnostic Clinic. Samples that are too wet (left) or too dry (middle) obscure symtom expression and make disease diagnosis difficult. The sample on the right was packaged well and shipped early in the week. (Photos by Kyle Broderick)

Quality Samples Lead to Better Diagnoses May 31, 2018

Correct identification of insects and other pests and diagnoses of diseases starts by submitting quality samples. This outlines how best to submit plant samples to the university's Plant and Pest Diagnostic Clinic.

Check for Dectes Stem Borer Damage in Soybeans October 27, 2017

The dectes stem borer has been expanding its range in Nebraska and university entomologists are now receiving damage reports from eastern Nebraska.

Nebraska map of PPDC reporting districts

Crop Diseases Confirmed by PPDC Sept. 27-Oct. 5 October 6, 2017

Anthracnose in corn and soybeans was among the diseases diagnosed by the university's Plant and Pest Diagnostic Clinic in the last two weeks. See their report for soybean, corn, hops, and alfalfa. Clinic services will be reduced Oct. 12-19.

Figure 1. Lodged corn due to stalk rot diseases. (Photo by Tamra Jackson-Ziems)

Stalk Rot Diseases in Nebraska Corn Fields September 22, 2017

Stalk rots can be found in corn across Nebraska. This story addresses the risk factors and how to scout for stalk rots, assess stalk strength, and determine extent of damage in a field. Fields with high levels of stalk rot should be given priority at harvest to reduce yield losses due to lodging.