PBI-Gordon Arkon Herbicide Liquid

PBI-Gordon unveils Arkon Herbicide Liquid

PBI-Gordon announced that Arkon Herbicide Liquid has been approved for use in most U.S. states (excluding California and Alaska). The U.S. Environmental Protection Agency (EPA) previously approved Federal registration for the herbicide.

Arkon is labeled for use on established cool- and warm-season turfgrass species across a wide variety of use sites: residential and commercial lawns, golf course greens, fairways, and roughs, sports facilities and sod farms. It will be available for sale nationwide in 2024 and will be included in PBI-Gordon’s Green Dividends Early Order Program in fall 2023.

Utilizing the innovative and proprietary active ingredient Pyrimisulfan, Arkon provides dependable post-emergent control of sedges (yellow, purple, and annual), kyllinga (green false green, cockscomb and annual), dollar weed, chickweed, henbit and many other labeled broadleaf weeds. Additionally, research has shown that the liquid herbicide reduces the number and viability of nutsedge tubers.

Part of PBI-Gordon’s “Powered by Vexis” family of herbicide products, Arkon is a low-rate, nonphenoxy product. The application rate is as follows:

  • 1.2 to 1.7 fl. oz. per 1,000 sq. ft. (3.4 to 4.7 pt. per acre).
  • The maximum annual use rate is 2.5 fl. oz. per 1,000 sq. ft. (7 pt. per acre, per year).
  • For harder-to-control weeds, two applications at the 1.2 fl. oz. per 1,000 sq. ft. rate at 30 apart should be considered.

In addition to many years of proprietary and independent testing before launching the herbicide, PBI-Gordon provided demonstration product Arkon to more than 460 end users earlier in 2023 — which gave them insider access to the product before it hits the market. The participants in the program represented a wide range of turfgrass professionals from across the country.

Jason Manz, vice president of strategic marketing and new business development for PBI-Gordon, said, “The impact of our Arkon demo program went far beyond the experience of the participants. The excitement and anticipation it built within the industry have positioned Arkon as the ‘go-to’ post-emergent nutsedge and kyllinga product in 2024.”

Arkon’s active ingredient Pyrimisulfan is the result of an exclusive partnership between PBI-Gordon Corporation, Kumiai Chemical Industry Co., Ltd., and their US subsidiary K-I Chemical U.S.A Inc.

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