Corteva Agriscience Becomes Exclusive Distributor of Piper® EZ Herbicide

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Product enhances flexibility and results for Italian ryegrass control and bareground programs

INDIANAPOLIS, March 8, 2022 — Corteva Agriscience, a leader in vegetation management solutions for more than 50 years, has reached an agreement with Valent U.S.A. LLC to become the exclusive distributor of Piper® EZ herbicide within the United States. Available through Corteva authorized distributors for the 2022 season, Piper EZ herbicide is a new suspension concentrate liquid formulation that serves as an excellent tool for maintaining control of select grasses and broadleaf weeds as well as bareground results throughout multiple noncrop use sites.

“Corteva Agriscience is committed to providing chemistries and solutions that enhance results and program flexibility for our customers,” said John Kalthoff, Marketing Category Lead, Land Management, Corteva Agriscience. “The immediate availability of Piper EZ herbicide allows our authorized distributors to provide a highly effective preemergence herbicide ahead of the upcoming growing season.”

In addition to providing preemergence control, Piper EZ herbicide and tank-mix partners, such as TerraVue® herbicide from Corteva Agriscience, are capable of providing postemergence control after targeted species have emerged earlier in the year.

“Weed resistance can be a common issue for vegetation management professionals,” said Sam Ingram, Field Scientist with Corteva Agriscience. “Piper EZ herbicide contains two active ingredients with differing modes of action that enhance resistance management. At a use rate of 16 to 20 fluid ounces per acre, these chemistries maintain activity on EPSP synthase-resistant weeds, such as glyphosate-resistant Italian ryegrass, and serve as essential components of total vegetation control programs.”

Fully registered through the U.S. Environmental Protection Agency, Piper EZ herbicide is recommended for a variety of use sites where bareground results are desired, including:

  • Roadsides
  • Utility Substations
  • Railroads
  • Airports
  • Other noncrop sites


“New weed species invade a variety of application sites each year,” Ingram said. “As a result, even the most commonly used herbicide products falter in performance over time. Piper EZ herbicide delivers new modes of action for vegetation management professionals that can knock these species back and prevent the emergence of germinating seedlings throughout the growing season to enhance program efficacy in 2022 and beyond.”


Glyphosate Resistant Italian Ryegrass (GH) 28 DAA

Tank mixes of Piper® EZ herbicide are shown to rival results achieved by competitive products for Italian ryegrass control. All treatments tank-mixed with 1% COC, Dr. Patrick McCullough, UGA.


About Corteva Agriscience

Corteva, Inc. (NYSE: CTVA) is a publicly traded, global pure-play agriculture company that provides farmers around the world with the most complete portfolio in the industry – including a balanced and diverse mix of seed, crop protection and digital solutions focused on maximizing productivity to enhance yield and profitability. With some of the most recognized brands in agriculture and an industry-leading product and technology pipeline well positioned to drive growth, the company is committed to working with stakeholders throughout the food system as it fulfills its promise to enrich the lives of those who produce and those who consume, ensuring progress for generations to come. Corteva became an independent public company on June 1, 2019, and was previously the Agriculture Division of DowDuPont. More information can be found at www.corteva.com.

Follow Corteva Agriscience Vegetation Management at VegetationMgmt.com or on Twitter, LinkedIn and YouTube

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™ ® Trademarks of Corteva Agriscience and its affiliated companies.

Piper® is a trademark of Valent U.S.A. LLC. Under normal field conditions, TerraVue® herbicide is nonvolatile. TerraVue 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. Label precautions apply to forage treated with TerraVue and to manure and urine from animals that have consumed treated forage. Piper EZ and TerraVue are 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. Consult the label for full details. Always read and follow label directions. 


Kacey Anderson
Corteva Agriscience
317-337-4478  cell

Ben Borden
Bader Rutter
414-344-8429 cell