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

Kyle Broderick

faculty

Assoc Exten Educator Plant Pathology University of Nebraska–Lincoln

Work Plant Sciences Hall (PLSH) 448

Lincoln NE 68583-0722

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

kbroderick2@unl.edu

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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.

Left photo showing corn stalk breakage from Gibberela stalk rot and right photo showing corn stalk damage from Fusarium stalk rot. — (L-R) Figure 1. Lodging and stalk breakage, as well as stalk discoloration, are symptoms of stalk rot diseases. (Photo by Terra Hartman) Figure 2. Stalk rot diseases commonly cause discoloration of the stalks and degradation of the white pith between vascular bundle strands. (Photo by Kyle Broderick)

Stalk Rot Diseases in Nebraska Corn Fields

September 13, 2018

Knowing the risk factors for stalk rot can help you evaluate those fields first and prioritize your harvest schedule accordingly. Submitting plant samples and determining which stalk rot is present can help you better prevent or manage it in future years.

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.

Map showing the 70 counties where bacterial leaf streak has how been confirmred. — Bacterial leaf streak has now been confirmed in corn in 70 Nebraska counties.

Crop Disease Update

August 10, 2018

Plant pathologists report on the corn and soybean diseases they're seeing. Bacterial leaf streak has now been confirmed in 70 counties and Southern rust was confirmed in three more counties.

Leaf symptoms of brown stem rot of soybean

Crop Diseases Confirmed in Corn and Soybean July 16-26

July 26, 2018

Corn and soybean diseases confirmed by the university's Plant and Pest Diagnostic Clinic July 16-26.

Southern Rust of Corn Confirmed in Nebraska

July 20, 2018

Southern rust has been confirmed in corn in three eastern Nebraska counties this week. Corn fields should be scouted soon and frequently in the coming weeks for this and other diseases in case treatment is necessary.

What’s New in Plant Pathology: Changes in the Plant & Pest Diagnostic Clinic

January 8, 2018

New to the Plant and Pest Diagnostic Clinic is Kyle Broderick, who became coordinator after working as an extension technologist in a University of Nebraska soybean pathology lab for six years. An article from the Proceedings of the 2018 Nebraska Extension Crop Production Clinics.

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.