Voices of Experience: Waterhemp Control in Soybeans
Getting the upper hand on waterhemp control is a chief concern for Danny Schnitker, who manages weed control for his family’s soybean, corn and wheat acres in southern Illinois.
“The influx of herbicide-resistant weeds has changed our weed-control strategy,” he says. “We no longer rely on glyphosate alone for effective weed control. Now we’re using a variety of tactics, including new herbicides, different tillage methods and revised application timing.”
Waterhemp Control Comparison
Schnitker says the farm is incorporating more residual herbicides in its weed-control strategies and is looking for new options for waterhemp control. In 2013, he compared DuPont™ Trivence® herbicide to the competition for burndown weed control in soybeans.
“Waterhemp was already emerging when we made the burndown applications with Trivence® and another burndown herbicide. Three weeks later at planting, the 40 acres treated with Trivence® were much cleaner than the 40 acres treated with a competitive burndown herbicide.”
Schnitker says the three active ingredients in Trivence® offer a fresh approach to managing weed resistance.
“Inclusion of metribuzin provides outstanding contact control of challenging weeds such as waterhemp, helping us to keep resistant populations in check.”
The benefits of that clean start continued throughout the growing season, Schnitker reports.
“Trivence® provided outstanding burndown control of resistant waterhemp and lasting residual control kept fields clean long after planting, taking pressure off the postemergence application.”
Multiple modes of action in a convenient premix make Trivence® an excellent fit for Schnitker’s application program.
“With so many products going into the tank mix these days, it’s really helpful to have a product like Trivence®. There’s less chance for mixing error or compatibility issues.
“Trivence® is an excellent fit for spring preplanting applications in soybeans. It provides excellent residual control with outstanding burndown activity that we just don’t see with other products.”
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