Plants or Crops
All Plants or Crops Content
Waterhemp Has Emerged in South Dakota
Waterhemp seedlings were observed in Volga, South Dakota and other observations of emerging seedlings have been and reported elsewhere in the state. While the seedlings are still small, forecasted rain and increased temperatures will cause these plants to grow rapidly.
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.
Investigating the Use of Raw and Pelleted Wool as an Alternative Mulch for Vegetable Production
This publication reviews a recent research study investigating the effects of wool as an alternative mulching option for pepper production.
Have you observed chemical management failure for alfalfa weevils?
SDSU Extension entomologists are currently looking for alfalfa fields with a past alfalfa weevil insecticide failures. We are collaborating with North Dakota State University and the University of Minnesota on project to determine if pyrethroid resistance exists in our respective states.
South Dakota Grasshopper Prediction for 2026
Almost every year in South Dakota there is a risk that grasshopper populations will reach levels capable of causing issues for producers. Unfortunately, our prediction for the 2026 growing season won’t change the trend.
Drought Conditions Magnifying Impact of Black Grass Bugs
Black grass bugs are a common early-season pest of forage grasses. Drought conditions exacerbate their impact by stressing plants and reducing their ability to tolerate and recover from feeding injury.
Start Management Plans Now: Absinth wormwood, Canada thistle and leafy spurge have emerged and are starting to grow
Absinth wormwood, Canada thistle and leafy spurge have emerged and are growing in eastern South Dakota. If not effectively managed, these weeds can displace desirable forage in pasture and rangeland.
Understanding Unit Conversions for Nitrogen, Phosphorus, and Potassium Fertilizer Application Rates in Garden Soils
This factsheet provides unit conversions between different units that soil labs recommend for fertilizer application rates to gardens for nitrogen, phosphorus, and potassium.
Diversifying Your Forage Base for Drought Flexibility
While no single strategy eliminates drought risk, diversifying the forage base can offer producers added flexibility by spreading risk across species, planting windows, and rooting depths.
Fields of Growth: Taking Care of Your Mental Health During Planting Season
Despite the opportunities that come with a new planting season, it is just as important to care for your mental and physical health during this busy, stressful time of the year.