en.Wedoany.com Reported - U.S. agricultural technology companies FMC Corporation (NYSE: FMC) and Corteva, Inc. (NYSE: CTVA) jointly announced on June 16, 2026, that they have signed a co-exclusive strategic supply and licensing agreement to introduce FMC's new herbicide rimisoxafen (proposed Chinese name: 嘧啶草噁唑) into the corn and soybean markets of North and South America. Under the terms of the agreement, the partnership covers the next ten years, with Corteva paying FMC an initial prepayment of $200 million.
FMC Corporation, headquartered in Philadelphia, Pennsylvania, USA, is a global agricultural sciences company focused on crop protection, plant health, and professional pest control, with a market-driven R&D pipeline. Corteva, Inc., headquartered in Indianapolis, Indiana, USA, was spun off from DowDuPont's Agriculture Division as an independent publicly traded company in 2019 and is a global agricultural enterprise. Rimisoxafen is a new isoxazole-class herbicide developed by DuPont in 2015, with its patent rights transferred to FMC in 2018 for commercial development.
Under the agreement, FMC retains full ownership of rimisoxafen and is responsible for supplying the technical material to Corteva. Both companies will independently develop and commercialize exclusive pre-mix formulations for the North and South American markets, targeting corn and soybean crops. FMC will continue to expand the molecule's application in other crops and regions globally.
The Herbicide Resistance Action Committee (HRAC) officially classified rimisoxafen in February 2026 as the industry's first herbicide with a dual mode of action, assigning it to Groups 12 and 32. The molecule simultaneously inhibits two independent biochemical pathways in weeds—phytoene desaturase (PDS) and solanesyl diphosphate synthase (SDPS)—significantly raising the biological threshold for weed resistance development. The product primarily targets Amaranthus species—the most challenging resistant weed problem in global soybean fields, with species such as Palmer amaranth and waterhemp having developed resistance to multiple herbicide classes, causing billions of dollars in annual yield losses for growers. Initial commercial sales are expected to begin by the end of this decade, subject to regulatory approvals.
Leonardo Bastos, FMC Vice President and Chief Marketing Officer, stated that the agreement ensures more growers in the Americas can access rimisoxafen—one of the most innovative herbicide technologies in decades. Cynthia Ericson, Corteva Vice President of Herbicide Business, noted that the partnership with FMC expands Corteva's ability to provide growers with advanced weed control tools, complementing its existing product portfolio.
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