Stephen Wegulo - Extension Plant Pathologist

Stephen Wegulo

faculty

Professor Plant Pathology University of Nebraska–Lincoln

Work Plant Sciences Hall (PLSH) 406H

Lincoln NE 68583-0722

Work 402-472-8735 On campus, dial 2-8735

swegulo2@unl.edu

vCard QR Code

Faculty Bio
Website: Wheat Disease section of CropWatch Plant Disease Management
Twitter: @wegulo2

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.

Wheat Disease Update: Bacterial Streak and Black Chaff

January 10, 2019

In this article from the Proceedings of the 2019 Crop Production Clinics the author reviews disease impacts in wheat, particularly bacterial streak, also known as black chaff.

Figure 1. UNL variety trials conducted in eastern Nebraska are an important process to help guide grower’s variety selection.

Winter Wheat Varieties with an Eastern Nebraska Fit

September 27, 2018

Winter wheat growers in eastern Nebraska will want to check out the newer winter wheat varieties described here as well as a table of comparable traits to aid in selecting a variety best suited for their operation.

Stinking smut (left) and loose smut of winter wheat — Fungal diseases of wheat include stinking smut (left, Figure 1) and loose smut (right, Figure 2). (Photos by Stephen Wegulo)

Should I Plant Treated Wheat Seed?

August 29, 2018

Using clean, certified, treated winter wheat seed optimizes the chances of obtaining high yields. Seed-transmitted diseases and fall insects can reduce grain yield as well as quality next summer.

Photos of two very different eastern Nebraska wheat fields — Figure 1. Photos of both of these eastern Nebraska wheat fields were taken June 16, 2018 and show the contrast between wheat grown in Thayer County (left) in southeast Nebraska where precipitation was much below normal and a field in Washington County in east central Nebraska where there was sufficient soil mosture throughout the season. (Photos by Brad Heinrichs (left) and Nathan Mueller)

Recap of 2017-18 Eastern Nebraska Winter Wheat Crop

July 25, 2018

Winter wheat yields in eastern Nebraska were quite variable in 2018, ranging from 10 to 80 bu/ac, depending on precipitation. This review of the growing season examines some of the factors affecting yields in southeast, east central, and northeast Nebraska.