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Resistant weeds are one of the biggest concerns for growers today, but our flexible portfolio of corn, soybean and wheat herbicides can help you effectively control tough weeds, minimize your weed resistance worries and protect yield potential.
Over the past 25 years, the number of resistant weed species has spread across the U.S., making weed resistance management a top priority for growers.
In fact, the number of multiple-herbicide resistant weed species has increased 175% since the year 2000.*
Once herbicide resistance arrives, the cost to achieve effective weed control increases, so it’s more profitable to manage weeds before they become resistant.
Select a crop below to learn more about our top-of-the-line herbicide solutions that can help you fight weed resistance.
For Pre- and Post-Emergence Control of Broadleaf Weeds and Grasses
Acuron® herbicide combines 4 active ingredients – including bicyclopyrone – and 3 sites of action resulting in effective weed control, resistance management and higher ROI potential.
Acuron is a Restricted Use Pesticide.
Powered by bicyclopyrone, Storen® herbicide consistently provides clean rows up to 3 weeks longer than other leading corn herbicides helping to prevent weed seed production and reduce the number of weed seeds in the soil seed bank for next year’s crop.1
Acuron® Flexi herbicide contains 3 active ingredients and 2 sites of action for a multi-targeted approach to weed management with flexibility to be used with no geographic or soil-type restrictions.
Acuron® GT, the ultimate post-emergence herbicide in corn, delivers faster knockdown, enhanced control and longer-lasting residual in glyphosate-tolerant corn. It can be used in a 2-pass program following a preemergence application of Lexar® EZ or Lumax® EZ.
Lexar EZ and Lumax EZ are Restricted Use Pesticides.
For Preemergence Control of Broadleaf Weeds and Grasses
Tendovo® herbicide delivers powerful preemergence weed control for soybeans on any soil and trait system—stopping 70+ tough weeds while keeping crops safe. Its advanced formulation helps beans canopy faster, reduce post-pass pressure, and maximize yield potential.
For Post-Emergence Control of Annual Grasses and Broadleaf Weeds
Dual Magnum® herbicide provides long-lasting residual control to slow weed resistance and provides additional modes of action when applied post-emergence in soybeans. By reducing early flushes of annual grasses and small-seeded broadleaf weeds, it eases trait system pressure and helps protect vital technologies.
For Post-Emergence Control of Annual Grasses
Regardless of trait platform, Sequence® herbicide delivers fast knockdown plus solid residual control, giving double protection against tough weeds when applied post-emergence in soybeans. By stopping existing weeds and preventing new flushes, it reduces trait-system pressure and supports long-term effectiveness across soybeans, cotton, and other labeled crops.
For Preemergence Control of Broadleaf Weeds and Early-Season Grasses
Get hard-hitting, preemergence control with Boundary® 6.5 EC soybean herbicide. Flexible enough to fit under any trait platform, it delivers protection against 32 broadleaf weeds and early-season grass weeds. Remove weed competition and secure yield potential.
For Preemergence Control of Broadleaf Weeds
Looking for preemergence residual control of standard driver weeds and other weeds that evade other soybean herbicides like Russian thistle, morningglory and kochia? BroadAxe® XC herbicide can help by delivering weed management that goes beyond the basics. It can also be followed by a post-emergence herbicide.
For Pre- and Post- Emergence Control of Broadleaf Weeds
One of the most effective soybean herbicide programs that can be used preemergence or early post-emergence is Prefix®. This flexible solution can be used to remove the competition of problem grass and broadleaf weeds, helping to preserve yields.
For Preemergence Control of Broad Mix Grass Weeds
Axial® Bold preemergence cereals herbicide combines professional handling, improved tank mixing and spray performance. Its two modes of action help to control broad mixed grass weeds like wild oat and foxtail populations for quality results.
For Preemergence Control of Grasses
The preemergence cereals herbicide Axial® Star combines proven, industry-leading mixed grass control and is a leader in kochia control, all at a single use rate. The rotation crop flexibility that flows into the next growing season allows you to better capitalize on market prices.
For Post-Emergence Control of Broadleaf Weeds
Talinor® post-emergence herbicide controls more than 45 tough and resistant broadleaf weeds in wheat and barley, including those resistant to ALS-inhibitor, synthetic auxin and glyphosate herbicides.
With a growth rate averaging 3 inches/day, Palmer amaranth can produce 10,000 to 100,000 seeds per plant and reach up to 8 feet in height. Uncontrolled Palmer amaranth can create yield losses of up to 91% in corn and 79% in soybeans.
Waterhemp produces up to 1 million seeds/plant and grows up to 1 inch per day. The average height is 4–5 feet tall with some weeds reaching up to 12 feet tall. The pollen from these weeds can travel half a mile or more, allowing resistance to spread quickly.
Season-long competition from giant ragweed can lead to crop losses of 30–90%. Giant ragweed can grow up to 5 feet taller than the crop.
Marestail was the first glyphosate-resistant weed identified in U.S. row crops in 2000 — reaching heights up to 5-6 feet tall. It produces up to 200,000 seeds/plant; the seeds are highly mobile, which results in rapid spread.
Established morningglory is very tough to control using post-emergent herbicide applications. It can produce up to 500 seeds/plant. The extremely hard seed coat on these seeds allows them to remain viable in soil for 50+ years.
Kochia is a summer annual plant with many branches forming a pyramid or cone shaped bush that can reach heights up to 6 feet or taller. It will germinate many times during the growing season. Its flowers are inconspicuous and seeds are dispersed when the plant matures, with stems breaking off at the base resulting in the plant becoming tumbleweed.
Wild oat is a competitive weed that is troublesome wherever cereals are grown with adequate moisture; it will reproduce from seed and emerge in cool and wet soils. It produces an average of 60 seeds per plant when faced with heavy competition, like a cereal crop. Wild oat reduces crop yields and increases production costs.
From best practices and management techniques to new technologies and beyond, Thrive is your trusted source for the latest in agricultural news and expertise.
*2024 WeedScience.org; Dr. Ian Heap.
1Storen length-of-control advantage based on 2022 Syngenta and university-replicated trials comparing Storen to Resicore® and TriVolt®.
22020 – Syngenta Trial – USSE0H4182020, HSM052B4 – 2020US – AR.
© Syngenta. Important: Always read and follow label instructions. Some products may not be registered for sale or use in all states or counties. Please check with your local extension service to ensure registration status. Acuron, Lexar EZ and Lumax EZ are Restricted Use Pesticides. Acuron®, Axial®, Boundary®, BroadAxe®, Dual Magnum®, Lexar®, Lumax®, Prefix®, Sequence®, Storen®, Talinor®, Tendovo®, Thrive® and the Syngenta logo are trademarks of a Syngenta Group Company. Resicore® is a registered trademark of Corteva AgriScience LLC. TriVolt® is a registered trademark of the Bayer Group. All other trademarks are the property of their respective third-party owners.