Wheat Disease

Stripe rust

Stripe Rust Confirmed in 11 Counties in Southeast and South-central Nebraska

May 13, 2021
While leaf rust was not observed in any surveyed wheat fields, stripe rust was confirmed in 11 counties this week in southeast and south-central Nebraska.

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Ranger alfalfa plants

Additional Gram-positive Bacterial Diseases in Nebraska Crop Production

May 11, 2021
A review of two lesser-known diseases caused by Gram-positive bacterial pathogens that have been observed in Nebraska — bacterial wilt of alfalfa and bacterial mosaic of wheat.

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Fungal leaf spot

Wheat Disease Update

May 6, 2021
Low levels of disease were surveyed in Nebraska wheat on May 5, with fungal leaf spot disease and barley yellow dwarf identified in Jefferson County.

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Stripe rust
Figure 1: Stripe rust (Photo by Nathan Mueller)

Track Stripe and Leaf Rust in Winter Wheat Across Nebraska

April 29, 2021
Producers are encouraged to report wheat stripe and leaf rust sightings again this year to help Nebraska Extension continue monitoring movement of these crop diseases throughout the state.

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Powdery mildew on wheat

Scout Wheat Fields for Early Disease Detection

April 28, 2021
The presence of diseases in their early stages of development in research plots indicates that it is time to scout Nebraska wheat fields for early disease detection.

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wheat grain contaminated with ergots

Reducing Yield Loss in Wheat Through Fungicide Seed Treatments

September 1, 2020
Three strategies can be used in combination to manage seed transmitted fungal diseases of wheat: fungicide seed treatments, use of clean seed, and planting resistant varieties.

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wheat variety trial in Nebraska field

Winter Wheat Varieties With an East and South Central Nebraska Fit

September 1, 2020
Variety selection and disease management in this higher rainfall region of Nebraska are the two most important management factors driving yield.

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Figure 1. The wheat-mite-virus complex has extreme potential to impact yield the following year if high risk volunteer wheat situations are not managed well
Figure 1. The wheat-mite-virus complex has extreme potential to impact yield the following year if high risk volunteer wheat situations are not managed well. (Photo by Gary Hein)

Why Control of Volunteer Wheat is Critical to Protecting Next Season's Yields

June 23, 2020
Volunteer wheat can provide the summer "green bridge" for the disease wheat streak mosaic and other virus diseases. This almost always occurs as a result of wheat seed shattered from heads during hail storms.

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