Surveys conducted June 16-20 in all wheat growing regions in the state showed diseases were increasing due to favorable wet conditions. There was a sharp contrast between the southeast where diseases were conspicuous and the northern Panhandle where fields looked lush green.
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.
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.
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.
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.
Though relatively small, UNL's Department of Plant Pathology has played a significant role in the discovery of many economically important plant diseases, including most recently, a new fungal pathogen causing Fusarium head blight of wheat. This article is from the 2019 Nebraska Crop Management Conference Proceedings.