INTERNATIONAL HERBICIDE-RESISTANT WEED DATABASE
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Inhibition of Hydroxyphenyl Pyruvate Dioxygenase - GROUP 27 (Legacy HRAC Group F2)
 ActiveCompanyExample Trade Name   

Benzoylpyrazole
 Benzoylpyrazoletolpyralate367  F2Inhibition of Hydroxyphenyl Pyruvate Dioxygenase Inhibition of Hydroxyphenyl Pyruvate Dioxygenase Small Structure Medium Structure Large Structure
 Benzoylpyrazoletripyrasulfone1431  F2Inhibition of Hydroxyphenyl Pyruvate Dioxygenase Inhibition of Hydroxyphenyl Pyruvate Dioxygenase Small Structure Medium Structure Large Structure

Callistemones
 Callistemonesfenquinotrione1427  F2Inhibition of Hydroxyphenyl Pyruvate Dioxygenase Inhibition of Hydroxyphenyl Pyruvate Dioxygenase Small Structure Medium Structure Large Structure
 Callistemonesmesotrione274Syngenta (ex Zen.)CallistoF2Inhibition of Hydroxyphenyl Pyruvate Dioxygenase Inhibition of Hydroxyphenyl Pyruvate Dioxygenase Small Structure Medium Structure Large Structure
 Callistemonestefuryltrione1428  F2Inhibition of Hydroxyphenyl Pyruvate Dioxygenase Inhibition of Hydroxyphenyl Pyruvate Dioxygenase Small Structure Medium Structure Large Structure

Isoxazoles
 Isoxazolesisoxaflutole153Bayer Crop Science (ex Aventis)Balance, Merlin, RP-201772, EXP-30953F2Inhibition of Hydroxyphenyl Pyruvate Dioxygenase Inhibition of Hydroxyphenyl Pyruvate Dioxygenase Small Structure Medium Structure Large Structure
 Isoxazolespyrasulfotole318Bayer Crop Science (ex Aventis)PreceptF2Inhibition of Hydroxyphenyl Pyruvate Dioxygenase Inhibition of Hydroxyphenyl Pyruvate Dioxygenase Small Structure Medium Structure Large Structure

Others
 Othersbenzobicyclon275  F2Inhibition of Hydroxyphenyl Pyruvate Dioxygenase Inhibition of Hydroxyphenyl Pyruvate Dioxygenase Small Structure Medium Structure Large Structure

Pyrazoles
 Pyrazolesbenzofenap154Mitsubishi ChemicalYukawide, MY-98F2Inhibition of Hydroxyphenyl Pyruvate Dioxygenase Inhibition of Hydroxyphenyl Pyruvate Dioxygenase Small Structure Medium Structure Large Structure
 Pyrazolespyrazolynate156SankyoSanbird, SW-751F2Inhibition of Hydroxyphenyl Pyruvate Dioxygenase Inhibition of Hydroxyphenyl Pyruvate Dioxygenase Small Structure Medium Structure Large Structure
 Pyrazolespyrazoxyfen155Syngenta (ex Zen.)Paicer, SL-49F2Inhibition of Hydroxyphenyl Pyruvate Dioxygenase Inhibition of Hydroxyphenyl Pyruvate Dioxygenase Small Structure Medium Structure Large Structure

Triketones
 Triketonesbicyclopyrone335  F2Inhibition of Hydroxyphenyl Pyruvate Dioxygenase Inhibition of Hydroxyphenyl Pyruvate Dioxygenase Small Structure Medium Structure Large Structure
 Triketonessulcotrione157Bayer CropScienceGalleon, Mikado, ICI-A0051F2Inhibition of Hydroxyphenyl Pyruvate Dioxygenase Inhibition of Hydroxyphenyl Pyruvate Dioxygenase Small Structure Medium Structure Large Structure
 Triketonessulcotrione157Syngenta (ex Zen.)Galleon, Mikado, ICI-A0051F2Inhibition of Hydroxyphenyl Pyruvate Dioxygenase Inhibition of Hydroxyphenyl Pyruvate Dioxygenase Small Structure Medium Structure Large Structure
 Triketonestembotrione325  F2Inhibition of Hydroxyphenyl Pyruvate Dioxygenase Inhibition of Hydroxyphenyl Pyruvate Dioxygenase Small Structure Medium Structure Large Structure
 Triketonestopramezone326  F2Inhibition of Hydroxyphenyl Pyruvate Dioxygenase Inhibition of Hydroxyphenyl Pyruvate Dioxygenase Small Structure Medium Structure Large Structure
HRAC Global Heap, I.  The International Herbicide-Resistant Weed Database.  Online.  Wednesday, September 23, 2026.  Available at  www.weedscience.org

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