Plants or Crops
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West Nile Virus Update: September 26, 2025
As of September 26, 2025, the South Dakota Department of Health (SD DOH) reported 74 human cases of West Nile Virus from Aurora, Beadle, Bon Homme, Brookings, Brown, Charles Mix, Clay, Codington, Corson, Douglas, Grant, Gregory, Haakon, Hamlin, Hand, Hughes, Hutchison, Hyde, Lawrence, Lincoln, Marshall, Meade, Miner, Minnehaha, Pennington, Roberts, Sanborn, Spink, Stanley, Union, Walworth, and Yankton counties.
Insects Are Being a Nuisance This Fall
The weather is changing, and many of us are noticing an uptick in the nuisance bites caused by several insects. The continued warm weather is going to increase the activity of all insects, including the ones that are causing us displeasure.
SDSU Extension to host corn disease scouting workshop
September 23, 2025
South Dakota State University Extension will host a scouting session for corn diseases confirmed in the state this season.
Forage Variety Trial Results
The 2025 Forage Variety Trial Results include data from different locations in South Dakota.
Managing Phosphorus and Other Nutrients in Gardens
Fact sheet on managing phosphorus and other nutrients in gardens.
Winter Wheat and Nitrogen: Decisions for 2026 Growing Season
With fertilizer representing one of the largest variable costs in wheat production, inefficient nitrogen use can quickly erode profit margins. This being said, an emphasis should be placed on how to improve nutrient management during the 2026 growing season.
Yellow Toadflax Has Begun Producing Seeds: Scout before treating infested areas
Yellow toadflax is a perennial weed that infests pasture and rangeland across South Dakota. This year, with an abundance of heat and moisture, plants flowered in early August and now have started to produce seeds.
Winter Wheat Variety Trial Results
The Winter Wheat Variety Trial Results are crop performance testing data from various locations across South Dakota.
Rye Variety Trial Results
2025 Rye Variety Trial Results in South Dakota.
Required Licensing For Applying Pesticide Using Spray Drones
Fact sheet for South Dakota stakeholders wanting to get certified to apply pesticides with a spray drone.