Small Grains

All Small Grains Content

Jun 09

Winter Wheat Variety Tours

SDSU Extension will host winter wheat variety tours on Tuesday, June 9, at 9:00 a.m. MT in Hayes, SD and 12:00 p.m. MT in Wall, SD.

Winter Wheat Variety Trial Results

The Winter Wheat Variety Trial Results are crop performance testing data from various locations across South Dakota.

Wheat field that is turning yellow due to mite infestation.

Brown Wheat Mites Detected in South Dakota Wheat

Brown wheat mite infestations have been detected in South Dakota wheat. Typically, infestations are more commonly observed in fields experiencing drought stress, which is currently most of the state

Green wheat plants with some cut just above the soil surface.

Army Cutworms Causing Issues in South Dakota Wheat

Army cutworm caterpillars are active in South Dakota wheat fields. This activity is only going to increase with the forecasted temperatures.

Wheat plants in a field showing viral symptomology of Wheat Streak Mosaic Virus.

Wheat Streak Mosaic Virus Confirmed in 2026

At the end of April, a winter wheat sample was submitted to the Plant Diagnostic Clinic displaying typical viral symptoms of chlorosis and streaking. Upon testing, this sample was determined to be positive for Wheat Streak Mosaic Virus.

A sprawling sorghum field ready for harvest

Sorghum Weed Control

Early competition, especially from grass, is critical for successfully controlling weeds in sorghum. There are preemergence as well as postemergence herbicides available for this crop. Early treatment provides the best control of broadleaved weeds with crop stage also being a critical factor for some postemergence treatments.

Wheat growing in a field with rain clouds in the distance.

Optimizing Wheat Success for 2026

Whether it be winter wheat or spring wheat, there are many things to consider to help improve the health and success of these crops in the upcoming growing season.

Oat Variety Trial Results

In 2025, oat variety trials were planted throughout various locations in South Dakota.

An oats field with numerous small rows of green, oat grass emerged throughout.

Oat Nitrogen Fertilizer Rate Guidelines: Do we use the yield goal or maximum return to nitrogen approach?

Nitrogen is an essential plant nutrient commonly applied to oat crops. It is important to apply an appropriate rate of nitrogen fertilizer to oats, as too little can reduce economic return, while too much can lead to potential negative environmental effects.

Spring Wheat Variety Trial Results

The 2025 spring wheat variety trials were planted throughout various locations in South Dakota.