Content by Philip Rozeboom
South Dakota Grasshopper Prediction for 2025
In 2025, it is likely that grasshopper populations will once again reach levels capable of causing issues in some areas of the state. Scouting should begin shortly after planting in areas where they were problematic in 2024 and continue throughout the growing season.
Noxious Weeds Have Germinated in East River South Dakota
Seasonal conditions have been favorable for weed germination, including biennial thistle, Canada thistle, and absinth wormwood. Learn some tips for scouting, identifying, and managing these noxious weeds before they become a problem.
Early Preplant or Preemergence Applications for Weed Management in Corn: Which is better?
Preemergence herbicides should be a part of a successful weed management plan, as these applications limit the amount of early-season weed interference to limit yield loss and reduce selection pressure on herbicide-resistant weeds.
Watch Temperature Forecast Before a Burndown Herbicide Application
As planting season approaches, no-till fields will likely need a burndown herbicide application to manage the established winter annual and early emerging summer annual weeds.
Spring is here, and so are the ticks!
As spring continues to bloom, more arthropods will begin to emerge from winter dormancy. Ticks are among the first to appear, and statewide reports have already been flowing in.
2,4-D (Enlist One) and Glufosinate (Liberty) Additively Control Common Weeds in South Dakota Soybean Production
Fact sheet on the experiment to determine how 2,4-D and glufosinate, when applied alone or mixed, control common weeds and affect soybean yield.
While Illegal in Tolerant Soybean, Dicamba Can Still Be Applied in Other Crops
While dicamba labels (i.e., Engenia, Tavium, and Xtendimax) for over-the-top applications for tolerant soybeans have been pulled for the 2025 growing season, the herbicide can still be applied in other crops. Below is a guideline for dicamba use in various crops.
Effects of 2,4-D with and without wiper-applied glyphosate on leafy spurge (Euphorbia esula) treated-shoot, shoot regrowth, and root biomass
Fact sheet on the effects of 2,4-D with and without wiper-applied glyphosate on leafy spurge.
Over-The-Top Dicamba Applications Are Not Legal in Soybean for 2025
The registration for dicamba labels for over-the-top applications in tolerant soybeans have been pulled for the 2025 growing season. Many producers are aware of the situation, but planning weed management strategies should start today.
Enlist One (2,4-D) and Liberty (Glufosinate) Applied Alone or Mixed During the Day and Night: Weed Control and Soybean Yield Implications
Fact sheet on the research done to determine weed control effectiveness with Enlist One and Liberty alone and tank mixed when applied during the daytime and nighttime.