INTERNATIONAL HERBICIDE-RESISTANT WEED DATABASE
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PSII inhibitors - Histidine 215 Binders - GROUP 6 (Legacy HRAC Group C3)
 ActiveCompanyExample Trade Name   

Benzothiadiazinones
 Benzothiadiazinonesbentazon124BASFBasagran, BAS 351HC3PSII inhibitors - Histidine 215 Binders Inhbition of Photosynthesis at PSll - Histidine 215 Binders Small Structure Medium Structure Large Structure

Nitriles (Also Group M)
 Nitriles (Also Group M)bromofenoxim16Syngenta (ex Nov.)Faneron, C-9122C3PSII inhibitors - Histidine 215 Binders Inhbition of Photosynthesis at PSll - Histidine 215 Binders Small Structure Medium Structure Large Structure
 Nitriles (Also Group M)bromoxynil125Bayer Crop Science (ex Aventis)Brominal, Buctril, MB10064C3PSII inhibitors - Histidine 215 Binders Inhbition of Photosynthesis at PSll - Histidine 215 Binders Small Structure Medium Structure Large Structure
 Nitriles (Also Group M)ioxynil126Bayer Crop Science (ex Aventis)Actril, Certrol, Bantrol, ACP 63-303, MB 8873C3PSII inhibitors - Histidine 215 Binders Inhbition of Photosynthesis at PSll - Histidine 215 Binders Small Structure Medium Structure Large Structure

Phenyl-pyridazines
 Phenyl-pyridazinespyridafol267Syngenta (ex Nov.)NOA-402,989C3PSII inhibitors - Histidine 215 Binders Inhbition of Photosynthesis at PSll - Histidine 215 Binders Small Structure Medium Structure Large Structure
 Phenyl-pyridazinespyridate127AgrolinzLentagran, Tough, CL-11344C3PSII inhibitors - Histidine 215 Binders Inhbition of Photosynthesis at PSll - Histidine 215 Binders Small Structure Medium Structure Large Structure
HRAC Global Heap, I.  The International Herbicide-Resistant Weed Database.  Online.  Tuesday, September 29, 2026.  Available at  www.weedscience.org

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