Skip to main content

Tamra Jackson-Ziems - Extension Plant Pathologist

Corn growing in flooded soil

June 22, 2018

Flooding and Ponding in Corn

By Amy Timmerman - Extension Educator, Tamra Jackson-Ziems - Extension Plant Pathologist, Roger Elmore - Emeritus Extension Cropping Systems Agronomist, Tyler Williams - Former Cropping Systems Extension Educator, Brian Krienke - Former Soils Extension Educator

Goss's bacterial wilt and blight and northern corn leaf blight on the same corn leaf.

June 29, 2018

Differentiating Corn Leaf Diseases

By Tamra Jackson-Ziems - Extension Plant Pathologist, Kyle Broderick - Extension Educator and Coordinator of the UNL Plant and Pest Diagnostic Clinic

Southern rust on a corn leaf

July 20, 2018

Southern Rust of Corn Confirmed in Nebraska

By Tamra Jackson-Ziems - Extension Plant Pathologist, Kyle Broderick - Extension Educator and Coordinator of the UNL Plant and Pest Diagnostic Clinic

Map showing the 70 counties where bacterial leaf streak has how been confirmred.

August 10, 2018

Crop Disease Update

By Tamra Jackson-Ziems - Extension Plant Pathologist, Terra Hartman - Graduate Research Assistant, Kyle Broderick - Extension Educator and Coordinator of the UNL Plant and Pest Diagnostic Clinic

Left photo showing corn stalk breakage from Gibberela stalk rot and right photo showing corn stalk damage from Fusarium stalk rot.

September 13, 2018

Stalk Rot Diseases in Nebraska Corn Fields

By Tamra Jackson-Ziems - Extension Plant Pathologist, Kyle Broderick - Extension Educator and Coordinator of the UNL Plant and Pest Diagnostic Clinic

Purple seed stain on soybean seed

September 19, 2018

Cercospora Purple Seed Stain and Blight in Some Nebraska Fields

By Nick Arneson - Research Technologist in Plant Pathology, Tamra Jackson-Ziems - Extension Plant Pathologist

Ear rot diseases on three corn ears.

October 12, 2018

Stalk and Grain Quality Likely to Decline During Wet Weather

By Tamra Jackson-Ziems - Extension Plant Pathologist

Map of bacterial leaf streak distribution in Nebraska

January 9, 2019

Corn Disease Update

By Tamra Jackson-Ziems - Extension Plant Pathologist

cropwatch graphic

January 11, 2019

Soybean Disease Update

By Loren Giesler - Head of the Department of Plant Pathology, Tamra Jackson-Ziems - Extension Plant Pathologist

cropwatch graphic

January 9, 2019

What’s New in Plant Pathology

By Tamra Jackson-Ziems - Extension Plant Pathologist, Stephen Wegulo - Extension Plant Pathologist, Kyle Broderick - Extension Educator and Coordinator of the UNL Plant and Pest Diagnostic Clinic

Goss's Wilt of corn

January 23, 2019

Nebraska Plant Pathology: A Culture of New Diseases

By Kyle Broderick - Extension Educator and Coordinator of the UNL Plant and Pest Diagnostic Clinic, Bob Harveson - Extension Plant Pathologist, Panhandle Research and Extension Center, Tamra Jackson-Ziems - Extension Plant Pathologist, Stephen Wegulo - Extension Plant Pathologist

Soybeans with purple seed stain (left) and soybeans showing signs of seed decay due to Phomopsis disease complex. (Photo by Jenny Rees)

February 13, 2019

Soybean Seed Germination Concerns

By Steve Knox - Manager of the Nebraska Crop Improvement Association, Tamra Jackson-Ziems - Extension Plant Pathologist, Roger Elmore - Emeritus Extension Cropping Systems Agronomist, Thomas Hunt - Extension Entomologist