Wheat Disease

Severe wheat streak mosaic virus in sunflower stubble

Figure 1. Severe symptoms of wheat streak mosaic in volunteer wheat in sunflower stubble in Deuel County in November 2016. Such a field significantly increases the risk of infection of wheat in nearby fields. (Photo by Gary Hein)

Growers Urged to Keep a Watchful Eye for Wheat Viruses This Spring

January 25, 2017
While the mild fall promoted wheat establishment, it also favored survival of wheat curl mites, the leading vector of several viruses common to Nebraska wheat. While much of the state's wheat crop entered winter in very good condition, growers are urged to scout for viruses this spring and assess yield potential of individual fields when making management decisions.

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A number of diseases were reported in wheat this fall, indicating the potential for increased diseases next spring. The author outlines a comprehensive strategy to tackle the challenge, starting this winter.
A number of diseases were reported in wheat this fall, indicating the potential for increased diseases next spring. The author outlines a comprehensive strategy to tackle the challenge, starting this winter.

Wheat Disease Management Tips for 2017

December 9, 2016
A number of diseases were reported in Nebraska wheat this fall. In this article plant pathologist Stephen Wegulo outlines how to develop a comprehensive plan to tackle this yield challenge, starting with steps growers can take this winter.

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wheat stripe rust in the Panhandle
wheat stripe rust in the Panhandle

Stripe Rust Reports in Wheat Lead to Winter Treatment Research

November 18, 2016
Reports of stripe rust in wheat continued throughout the Panhandle this week, particularly in Kimball and Banner counties. With additional sightings from central and southwest Nebraska, the disease appears to be widespread statewide this fall.

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Fall occurrence of stripe rust in wheat
Fall occurrence of stripe rust in wheat

Stripe, Stem, and Leaf Rust in Fall-Planted Wheat

November 11, 2016
Stripe rust, leaf rust, and stem rust have been identified in fall planted wheat in Nebraska, extending into areas where it had previously not developed in the fall. Plant Pathologist Stephen Wegulo looks at the outbreak, conditions contributing to rust development this fall, and the economic and management issues.

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Figure 1. This is the second successive year for stripe rust to be identified in the fall in Panhandle wheat.
Figure 1. This is the second successive year for stripe rust to be identified in the fall in Panhandle wheat.

Stripe Rust of Wheat Identified in the Panhandle

November 4, 2016
On Nov. 1 stripe rust was identifield in a wheat field in the Nebraska Panhandle. This is the second successive year when the disease emerged in the fall and University of Nebraska plant pathologists are seeking reports for further research.

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Figure 1.  Stripe rust on a flag leaf in a grower’s field in south central Nebraska in 2016
Figure 1. Stripe rust on a flag leaf in a grower’s field in south central Nebraska in 2016
Stripe rust in wheat in the Nebraska Panhandle. (Photo by Bob Harveson)
Figure 1. Stripe rust in wheat in the Nebraska Panhandle. (Photo by Bob Harveson)

Stripe Rust in Wheat

September 2, 2016

This is from a four-part series on stripe rust's history and geographic distribution, biology and life cycle, causes of recent severe epidemics, and management options. Find all the stories on the UNL Panhandle Research and Extension Center website under Panhandle Perspectives. 

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Pre-Planting Steps for Managing Winter Wheat Diseases

August 4, 2016
Paying attention to these five areas before planting winter wheat can help assure a healthier crop for 2017: planting at the appropriate date, using tolerant cultivars, planting into a firm seedbed, controlling weeds and volunteer wheat, and treating seed with fungicide.

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