Wheat Disease

Figure 1. Fusarium head blight in a state variety trial in a grower’s field in Jefferson County on June 13. (Photos by Stephen Wegulo)
Figure 1. Fusarium head blight in a state variety trial in a grower’s field in Jefferson County on June 13. (Photos by Stephen Wegulo)

Wheat Disease Update: Fusarium Head Blight June 14, 2019

As weather conditions continue to favor the development and progression of wheat diseases, Fusarium head blight has increased from trace to moderate to high levels this week.

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Figure 1. Leaf rust, powdery mildew, and a fungal leaf spot all present in a single plot at UNL’s Havelock Research Farm near Lincoln on June 6 (Photo by Stephen Wegulo)
Figure 1. Leaf rust, powdery mildew, and a fungal leaf spot all present in a single plot at UNL’s Havelock Research Farm near Lincoln on June 6. The white tip on the head in the upper center is due to freeze injury. (Photo by Stephen Wegulo)

Wheat Update: Diseases Are Increasing June 7, 2019

Surveys of wheat fields in southeast Nebraska during the week of June 3 revealed a significant increase in diseases from the previous week.

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Figure 1.  Stripe rust in a grower’s field in Perkins County on May 30.
Figure 1. Stripe rust in a grower’s field in Perkins County on May 30. (Photos by Stephen Wegulo)

Stripe Rust Confirmed in Nebraska Wheat May 31, 2019

Stripe rust was confirmed this week in a wheat field in Perkins County. During a two-day survey of fields in south central and southwest Nebraska, Septoria tritici blotch, tan spot, powdery mildew, and fungal leaf spots were also found at low levels.

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Figure 1. A grower’s wheat field in Webster County with low disease levels on May 23. (Photos by Stephen Wegulo)
Figure 1. A grower’s wheat field in Webster County with low disease levels on May 23. (Photos by Stephen Wegulo)

Wheat Disease Update May 24, 2019

Several diseases were found in wheat in south central and eastern Nebraska this week and scab is likely to develop, given current conditions. Growers are encouraged to decide now as to whether to treat as once it appears, it's too late to treat.

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Powdery mildew in wheat

Levels of Wheat Diseases Low, But Likely to Increase May 17, 2019

A survey of wheat fields May 13-16 in the southeast, south central, southwest, and southern Panhandle regions of Nebraska revealed trace to low levels of disease, with most fields a luxuriant green with a high yield potential.

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(L-R) Wheat leaves with stripe rust, leaf rust, and powdery mildew

It is Time to Start Scouting for Wheat Diseases April 18, 2019

The wheat growing season in Nebraska has started and and regular scouting for early disease detection is recommended, and will be especially important this year due to the excessive moisture we've had.

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Bacterial leaf streak in wheat

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.

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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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