Description

After two challenging seasons marked by heavy seed production, shifting weed pressure, and extended emergence windows, the message is clear: start clean, stay clean, and spray dirt.

In this episode of Pioneering Wisconsin’s Ag Future, powered by Pioneer Agronomy, host Alex Weldon sits down with Corteva Agriscience Corteva Agriscience Crop Protection Territory Manager Jeremy Hunt and TruChoice Engagment Lead Conner Geurts to help growers plan smarter, more proactive weed control programs for 2026.

According to this team of agronomists: robust pre-emerge + layered residuals = long-term success. The foundation of resistance management starts with a strong pre-emergent program followed by timely post applications. With weeds like waterhemp emerging over a 2–3 month window, a single pass won’t hold. Layering residuals and overlapping applications helps maintain control throughout the season.


Select pre-emerge and residuals recommended by Pioneer Agronomy: 

• Resicore® REV herbicide – Adds more horsepower to your tank mix. Resicore® REV herbicide is an advanced premix of three proven active ingredients and modes of action for premier control of the toughest broadleaf and grass weeds. With its wide application window and extended residual, Resicore REV can fit as a pre- and postemergence herbicide, so your corn fields get off to a strong, clean start. 
• Enversa™ – Is a residual herbicide for soybean and cotton with a proprietary formulation of encapsulated acetochlor to handle some of the toughest hard-to-control broadleaf and grass weeds that farmers face today. This is the first soybean and cotton herbicide solution in the Corteva Agriscience portfolio to feature encapsulated acetochlor. In addition to having encapsulated acetochlor, Enversa delivers long-lasting residual and provides tank-mix flexibility, giving growers the ability to customize their weed control programs. Enversa herbicide is the preferred residual tank-mix partner of choice with Enlist One® herbicide for Enlist E3® soybeans.
• Kyber® Pro –  Is a preemergence soybean herbicide that boasts three effective modes of action, including a group 15 active ingredient, giving farmers the opportunity for a clean start to season-long weed control. Kyber Pro delivers the broad-spectrum control of resistant broadleaf and grass weeds that retailers and farmers have been asking for. Kyber Pro offers long-lasting residual activity to control tough weeds, widening the postemergence application window.

During this episode, the team also emphasizes that timing is everything. If you’re debating whether to spray this week or next week — go now, and don’t overlook the details. Success can hinge on proper water volume, correct adjuvant packages (MSO, crop oil, etc.), and following label guidance as regulations evolve. 

Cutting rates or skipping a burndown may look good on paper in January, but June rescue treatments often cost two to three times more.

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