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Tamra Jackson-Ziems - Extension Plant Pathologist

Crown rot in corn

September 9, 2016

Stalk Rot Diseases Including Anthracnose Top Dieback Developing in Some Fields

By Tamra Jackson-Ziems - Extension Plant Pathologist, Kevin Korus - Former Coordinator Plant & Pest Diagnostic Clinic

The tops of corn plants that have Anthracnose stalk rot top dieback may break off prior to harvest, but are not always an indicator of stalk and crown rot lower on the plant.

September 29, 2016

Scouting for Stalk and Ear Rot Diseases

By Tamra Jackson-Ziems - Extension Plant Pathologist

Aspergillus ear rot damage in corn

October 13, 2016

Ear and Stalk Rot Diseases Becoming More Common in Corn Fields

By Tamra Jackson-Ziems - Extension Plant Pathologist, Jenny Brhel - Extension Educator

October 14, 2016

Harvest 2016 — When Corn Yields are Below Expectations

By Jenny Brhel - Extension Educator, Tamra Jackson-Ziems - Extension Plant Pathologist, Tyler Williams - Former Cropping Systems Extension Educator, Tom Hoegemeyer - Adjunct Professor of Practice, Patricio Grassini - Professor of Agronomy and Horticulture, and Cropping Systems Specialist, Roger Elmore - Emeritus Extension Cropping Systems Agronomist, Keith Glewen - Extension Educator Emeritus, Suat Irmak – Professor of Agricultural and Biological Engineering, Pennsylvania State University, Justin McMechan - Crop Protection and Cropping Systems Specialist

Figures 1a and b. Growth of fungi feeding on dead/decaying tissue and their black spores on corn husks (a) (and other plant parts) may give it a dark, dusty appearance, especially during harvest. The ear itself is usually unaffected by these fungi (b).

October 14, 2016

What's Causing Black "Dusty" Corn?

By Tamra Jackson-Ziems - Extension Plant Pathologist

Sampling of bacterial leaf streak lesions of corn

February 23, 2017

Update on Bacterial Leaf Streak of Corn in Nebraska

By Terra Hartman - Graduate Research Assistant, Tamra Jackson-Ziems - Extension Plant Pathologist

Corn seedling damage

May 5, 2017

Recent Cold, Wet Conditions are Favorable for Seedling Diseases in Early Planted Corn

By Tamra Jackson-Ziems - Extension Plant Pathologist

Bacterial leaf streak lesions of corn

June 15, 2017

Bacterial Leaf Streak Confirmed on V4 Corn in Nebraska

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

common corn smut on an ear

July 13, 2017

Several Corn Diseases Developing Across Nebraska

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 19, 2017

Southern Rust Confirmed in Corn in 8 Eastern Nebraska Counties

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