Cephalosporium Leaf Stripe Developing in West Central Wheat
May 25, 2017
Cephalosporium stripe, caused by a soilborne pathogen, is developing in wheat in west central Nebraska and may reduce yields if severe.
Stripe Rust Increasing in Nebraska Wheat
May 25, 2017
Recent rainfall and cool temperatures have favored development of stripe rust to severe levels on flag leaves in fields that have not been sprayed as shown in Figure 1, a photo taken Wednesday, May 24, in a grower’s field in Webster County in south-central Nebraska.
Wheat Disease Update: Wheat Streak Mosaic
May 19, 2017
A survey of wheat fields in the Nebraska Panhandle found only trace levels of stripe rust and low levels of tan spot, but widespread areas of wheat streak mosaic virus with severity ranging from mild to severe.
Wheat Disease Update in Eastern Nebraska
May 12, 2017
Research plots at UNL’s Agricultural Research and Development Center (ARDC) were surveyed for diseases on May 12. These plots are not sprayed with fungicide and therefore the diseases and disease levels in them can be representative of those in growers’ fields under similar conditions. Here's what we found.
Wheat Update: Leaf Rust Confirmed, Stripe Rust Widespread But at Low Levels
May 8, 2017
Because of the presence of stripe rust and leaf rust in the state, as well as increasing incidence and severity of Septoria leaf blotch and tan spot, growers are encouraged to be vigilant in scouting their fields.
Stripe Rust Confirmed in Wheat in South Central and Southeast Nebraska; Other Diseases Increasing
April 28, 2017
Wheat fields are still looking green (Figure 1). However, development of several diseases is increasing. On April 26, stripe rust was confirmed in Nuckolls County in south central Nebraska and on April 27, it was found at low to moderate levels in research plots at the University of Nebraska-Lincoln’s Havelock Research Farm near Lincoln in Lancaster County (Figure 2).
Stripe Rust Identified in Panhandle Wheat
April 18, 2017
Minor levels of striped rust have been confirmed in winter wheat from a field in Sheridan County north of Rushville. The infections occurred on only a few leaves and pustules were very small and difficult to see. Growers are encouraged to continue scouting wheat for disease; a fungicide application is not recommended at this time.