Wheat Disease

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

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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.

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Inforgraphic showing how one field can serve as a green bridge for wheat curl mite and multiple viruses to a neighbor's field.

Stopping the Spread of Wheat Streak Mosaic Virus August 20, 2018

For wheat growers, one aspect of being a good neighbor is controlling volunteer wheat after harvest to stop wheat curl mites from moving into the new crop of wheat and transmitting viruses, particularly wheat streak mosaic virus. Volunteer wheat should be controlled in time to provide a two-week break in the green bridge.

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2018 wheat field day at the High Plains Ag Lab
Figure 1. Attendees look at wheat plots and listen to UNL small grains breeder P. Stephen Baenziger at the High Plains Ag Lab in Cheyenne County on June 21. (Photos by Stephen Wegulo)

Wheat Disease Update for Central to Western Nebraska June 22, 2018

Wheat diseases were found at varying levels across a wide area of fields surveyed this week in western Nebraska in conjunction with the 2018 Wheat Tours.

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2018 wheat with bacterial leaf streak

Bacterial Leaf Streak More Prevalent in Winter Wheat in 2018 June 22, 2018

Symptoms of bacterial leaf streak are increasing on flag leaves of winter wheat in east central Nebraska.

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2018 Wheat Field Day at the Eastern Nebraska REC near Mead.
Figure 1. Attendees view wheat varieties and listen to UNL Small Grains Breeder Stephen Baenziger and Nebraska Extension Educator Nathan Mueller during a wheat plot tour at the Eastern Nebraska Research and Extension Center (ENREC) near Mead June 12. (Photos by Stephen Wegulo)

Wheat Update: Diseases Increasing June 13, 2018

Recent rains have created favorable conditions for disease development in wheat. If irrigating, manage applications to reduce further development and spread of diseases.

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Wheat field
Figure 1. A grower’s wheat field in Webster County on May 30.

Wheat Diseases Minimal June 8, 2018

Diseases continue to be absent or at very low levels in Nebraska wheat, with no reports of stripe rust or leaf rust and low levels of powdery mildew. Prevailing high temperatures and dry conditions in many areas have reduced the risk of significant disease development.

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May 30 Nebraska Extension Wheat Field Day in Jefferson County
Figure 1. Attendees viewed more than 30 wheat variety trials at this Nebraska Extension Winter Wheat Field Day northeast of Fairbury May 30. Ten more wheat field days will be held this June. (Photos by Stephen Wegulo)

Wheat Disease Update — Levels Still Low May 31, 2018

Wheat fields in southeast and south central Nebraska were green with little disease and high yield potential, based on this week's field survey. Recent rains relieved moisture stress in wheat in some areas of the state, but more rain is needed in southeast Nebraska to alleviate stress.

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