Combat Weed Resistance With Storen Corn Herbicide
Growers can navigate the challenges of Palmer amaranth and waterhemp with innovative agronomic strategies.
A recent survey found that 40% of growers struggle to control Palmer amaranth and waterhemp with current preemergence corn herbicides.1 These weeds aren’t just occasional problems. Year after year, they hurt corn yields, making it harder for growers to profit and do their jobs well.
Chris Munsterman, a Syngenta agronomy service representative based in York, Nebraska, sheds light on this long-standing issue. “Small grain weeds first showed resistance to acetolactate synthase (ALS) herbicides roughly 25 years ago,” he says. “Over time, our biggest concerns shifted toward the Amaranthus species, notably waterhemp and Palmer pigweed.”
Growers continually seek strategies to manage weed resistance. Storen™ corn herbicide, developed by Syngenta, is specifically designed with these challenges in mind. Storen targets problematic weeds like Palmer amaranth and waterhemp, offering growers a solution to combat the resistance problems they’ve battled for years. Its combination of four residual active ingredients keeps rows clean up to three weeks longer than other leading herbicides.2
“The extended control from Storen gives growers a better chance to reapply their overlapping residual herbicides,” Munsterman says. “With many farms expanding and consolidating, there are growers and retailers who manage fields up to 40 miles from their home base. Getting back to those fields in time for a reapplication isn’t always easy. Storen could be the helping hand they need. As farming evolves, having that extra time can make all the difference.”
The introduction of Storen to the corn herbicide market signifies a strategic step against persistent resistant weeds. Its specialized formulation, with ingredients like bicyclopyrone, mesotrione, S-metolachlor and pyroxasulfone plus the crop safener benoxacor, makes Storen a top contender in weed management. Beyond handling barnyardgrass and foxtail species, its proven effectiveness against challenging amaranthus species like waterhemp and Palmer pigweed reinforces its value in today’s agronomic practices.
1 Storen length-of-control advantage based on 2022 Syngenta and university-replicated trials comparing Storen to Resicore® and TriVolt®.
2 Syngenta market research, 2022. n=302.
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