Stephen Wegulo - Extension Plant Pathologist

Stephen Wegulo

faculty
Work Plant Sciences Hall (PLSH) 406H
Lincoln NE 68583-0722
US
Work 402-472-8735 On campus, dial 2-8735

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

Septoria tritici blotch in wheat

Wheat Disease Update

May 7, 2020
Reports indicate that stripe rust is present in Oklahoma and northeast Kanas. These reports suggest that there is a high likelihood that stripe rust will occur in Nebraska wheat fields. Leaf rust is also likely to occur, but we expect to see stripe rust first.

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wheat damaged by freeze

Assessing Freeze Injury to Wheat

April 24, 2020
It takes a number of warm days (a week or more depending on temperatures) after freezing to determine the condition of the winter wheat crop, so don’t make any quick decisions after a freeze.

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A field in Excellent Condition This Spring

Winter Wheat Condition

April 9, 2020
Some producers are concerned with the condition of their winter wheat fields this spring. At the time of seeding last fall, some areas were dry and under no-till conditions it was difficult if not impossible to seed at the recommended seeding depth.

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wheat showing signs of disease

Wheat Disease Update

January 27, 2020
In 2019, wet weather during the growing season favored the development of wheat diseases including Fusarium head blight, leaf rust, stripe rust, bacterial streak, and take-all. This update highlights these diseases, the environmental factors that favor their development, and their management.

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Sample crop production budget for corn

Why Should You Prepare and Use Crop Budgets?

December 4, 2019
The 2020 Crop Production Budgets for Nebraska are now available. They include 80 budgets for 15 crops, available in both PDF and customizable Excel formats.

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Winter wheat field trials conducted at the University of Nebraska Eastern Nebraska Research and Extension Center in 2018-2019.
Figure 1. Variety trials conducted by UNL in eastern Nebraska are an important process to help guide grower’s variety selection and rate disease susceptibility.

Winter Wheat Varieties for Eastern Nebraska

September 11, 2019
As you select winter wheat varieties for planting, consider these variety and fungicide trial resources specific to growing wheat in eastern Nebraska.

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Stripe rust in corn

Fall Wheat Disease Management Strategies to Reduce Losses in 2020

August 29, 2019
Six strategies that can be used this fall with winter wheat to minimize losses during next year’s growing season.

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Figure 6. University of Nebraska-Lincoln winter wheat variety trial (25 entries/varieties) on July 16 in Washington County hosted by Hoegermeyer Farms, southwest of Herman. (Photo by Nathan Mueller)
Figure 6. University of Nebraska-Lincoln winter wheat variety trial (25 entries/varieties) on July 16 in Washington County hosted by Hoegermeyer Farms, southwest of Herman. (Photo by Nathan Mueller)

A Review of the 2018-19 Eastern Nebraska Winter Wheat Growing Season

August 15, 2019
Nebraska Extension educators review the wheat production season in eastern Nebraska and factors affecting it, from a rough start with cool, wet conditions to a good finish.

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