FMC Keenali™ GR Herbicide: A Breakthrough Mode of Action for Grass Weed Control in Rice
01 July 2025, US: Keenali™ GR herbicide, powered by the novel active ingredient Dodhylex™, represents the only herbicide in the Herbicide Resistance Action Committee’s (HRAC) Group 28. This innovative mode of action is the first new herbicide mode introduced globally in nearly 40 years, offering California rice growers an important new tool to manage herbicide resistance.
Applied as a preemergence herbicide, Keenali GR provides excellent residual control of key grass weeds including barnyardgrass, late watergrass, and sprangletop, even targeting herbicide-resistant biotypes. This helps establish a strong foundation for season-long weed management, reducing competition and promoting healthy rice crop growth.
Key Features:
- New herbicide mode of action, unique in four decades
- Effective against major grass weeds including resistant strains
- Preemergence application for early and lasting weed control
- Minimal off-target movement risk and no cross-resistance with existing herbicide classes
- EPA registration pending, with expected commercial availability in the 2028 growing season
Keenali GR herbicide will be a valuable addition for rice growers seeking sustainable and effective grass weed control in their preemergence weed management programs.
Also Read: SML Limited Introduces SML Biologicals with StellarOn Registration and Rootiva Launch
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