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Featuring the ﬁrst new active ingredient for pastures and rangeland in nearly 15 years, new DuraCor® herbicide brings livestock producers and land managers the broadest-spectrum broadleaf weed control available for their grazing acres — one that’s loaded with beneﬁts.
DuraCor is powered by Rinskor™ active, a reduced risk herbicide that won the American Chemical Society’s Green Chemistry Challenge award.
The American Chemical Society’s Green Chemistry award, given to companies or institutions that have developed a new process or product that helps protect public health and the environment, is the United States’ most prestigious award program for green chemistry innovations.
"We want to leave the land better than we found it." Kevin Yon, Yon Family Farms, South Carolina
DuraCor® herbicide provides extended control of 140+ weeds while maintaining grass safety. That allows nutritious grasses to thrive and opens the way for more productivity from every acre.
DuraCor kills all the troublesome rangeland and pasture weeds — thistles, ragweeds, pigweed and others. But it also takes out especially tough-to-control broadleaves, including wild carrot, giant hogweed, wild parsnip, plantain, poison hemlock, the sunﬂower and aster families, and common caraway.
DuraCor stops the weeds that are up and growing while providing residual control of those that germinate later. That keeps pastures clean, forage grasses growing and cattle gaining.
Flexible application options, including broadcast by ground or by air; spot treatments; and the ability to mix with liquid fertilizer or impregnate on dry fertilizer in select states all make DuraCor the easy choice for pasture weed control. Low use rates, a low-odor formulation and no grazing restrictions add to the convenience factor.
Unlike products that contain 2,4-D, DuraCor easily mixes with liquid UAN, even at near-freezing temperatures. In states where dry fertilizer impregnation is permitted, the low-use rate of DuraCor results in better ﬂowing, less tacky prills.
Unlike many other pasture management products, DuraCor is nonrestricted and does not contain 2,4-D or dicamba.
In the Western states, DuraCor expands the toolbox for ranchers who often manage with multiple land-use goals in mind — whether protecting, improving and preserving the land for livestock grazing, wildlife habitat or mixed uses.Learn more
Controls over 140 broadleaf weeds and woody plants including:
Refer to the Product Label for complete product efficacy information.Find labels for this product
Low and flexible
» 12-20 fl oz per acre
» Common use rate is 16 fl oz per acre
Treat when weeds are actively growing and not stressed by drought or other condition. Increase herbicide rate within the labeled rate range as the season progresses and plants become more mature. Higher rates will produce an increase in residual.
Ground Broadcast Application: Spray volumes greater than 10 gallons per acre generally provide better coverage and better control.
Aerial Broadcast Application: Use 2 gallons or more per acre total spray volume. 5 gallons per acre or greater will generally provide better coverage and better control, particularly in dense and/or tall foliage.
High-Volume Foliar Application: High volume foliar treatments may be applied at rates equivalent to a maximum of 20fl oz per acre per annual growing season.
Spot Application: Spot treatments may be applied at 40 fl ozs of DuraCor® per acre, if an application is not made to more than 50% of the treatable acre. Spray volume should be sufficient to thoroughly and uniformly wet weed foliage, but not to the point of runoff.
Nononic Surfactant: 0.25% volume per volume (1 to 2 quarts per 100 gallons of spray)
Methylated Seed Oil: 1% volume per volume
Storage and Handling
DuraCor is a suspension concentrate (SC) formulation that offers several benefits mentioned above. As with all SC formulation types, it is recommended to shake or mix the product prior to application for best results. Refer to your Range & Pasture Specialist for additional information.
Under normal field conditions this product is non-volatile. DuraCor® has no grazing or haying restrictions for any class of livestock, including lactating dairy cows, horses (including lactating mares) and meat animals prior to slaughter. However, label precautions do apply to forage treated with DuraCor to manure and urine from animals that have consumed treated forage. ™ ® Trademarks of Corteva Agriscience and its affiliated companies. DuraCor is not registered for sale or use in all states. Contact your state pesticide regulatory agency to determine if a product is registered for sale or use in your state. Always read and follow label directions. © 2021 Corteva