INTERNATIONAL HERBICIDE-RESISTANT WEED DATABASE
select
select
Photosystem II inhibitors - HRAC GROUP C1
Inhibition of photosynthesis at photosystem II
 ActiveCompanyExample Trade NameWSSA   

Phenyl-carbamates
 Phenyl-carbamatesdesmedipham80Bayer Crop Science (ex Aventis)Betanal AM, Betanex, SN 38107C1Photosystem II inhibitorsInhibition of photosynthesis at photosystem II5 Small Structure Medium Structure Large Structure
 Phenyl-carbamatesphenmedipham79 Betanal, SN 38584C1Photosystem II inhibitorsInhibition of photosynthesis at photosystem II5 Small Structure Medium Structure Large Structure

Pyridazinones
 Pyridazinoneschloridazon = pyrazon81BASFPyramin, chloridazon, BAS 119HC1Photosystem II inhibitorsInhibition of photosynthesis at photosystem II5 Small Structure Medium Structure Large Structure

Triazines
 Triazinesametryn87Syngenta (ex Nov.)Gesapax, Evik, G-34162C1Photosystem II inhibitorsInhibition of photosynthesis at photosystem II5 Small Structure Medium Structure Large Structure
 Triazinesatrazine90Syngenta (ex Nov.)Attrex, Gesaprim, G-30027C1Photosystem II inhibitorsInhibition of photosynthesis at photosystem II5 Small Structure Medium Structure Large Structure
 Triazinescyanazine98BASF (ex Am.Cy.)Bladex, WL 19805C1Photosystem II inhibitorsInhibition of photosynthesis at photosystem II5 Small Structure Medium Structure Large Structure
 Triazinescyanazine98GriffinBladex, WL 19805C1Photosystem II inhibitorsInhibition of photosynthesis at photosystem II5 Small Structure Medium Structure Large Structure
 Triazinesdesmetryn92Syngenta (ex Nov.)SemeronC1Photosystem II inhibitorsInhibition of photosynthesis at photosystem II5 Small Structure Medium Structure Large Structure
 Triazinesdimethametryn83Syngenta (ex Nov.)Avirosan, C-18898C1Photosystem II inhibitorsInhibition of photosynthesis at photosystem II5 Small Structure Medium Structure Large Structure
 Triazineseglinazine-ethyl85Nitrokema IpartelepekMG-60C1Photosystem II inhibitorsInhibition of photosynthesis at photosystem II5 Small Structure Medium Structure Large Structure
 Triazinesproglinazine-ethyl86Nitrokema IpartelepekMG-07C1Photosystem II inhibitorsInhibition of photosynthesis at photosystem II5 Small Structure Medium Structure Large Structure
 Triazinesprometon96Syngenta (ex Nov.)Pramitol, Gesagram, G-31435C1Photosystem II inhibitorsInhibition of photosynthesis at photosystem II5 Small Structure Medium Structure Large Structure
 Triazinesprometryn95Syngenta (ex Nov.)Caparol, Gesagard, G-34161C1Photosystem II inhibitorsInhibition of photosynthesis at photosystem II5 Small Structure Medium Structure Large Structure
 Triazinespropazine97Syngenta (ex Nov.)Milogard, Milo Pro, Gesamil, G-30027C1Photosystem II inhibitorsInhibition of photosynthesis at photosystem II5 Small Structure Medium Structure Large Structure
 Triazinessimazine91Syngenta (ex Nov.)Gesatop, Princep, G-27692C1Photosystem II inhibitorsInhibition of photosynthesis at photosystem II5 Small Structure Medium Structure Large Structure
 Triazinessimetryn88Syngenta (ex Nov.)Gybon, G-32911C1Photosystem II inhibitorsInhibition of photosynthesis at photosystem II5 Small Structure Medium Structure Large Structure
 Triazinesterbumeton89Syngenta (ex Nov.)CaragardC1Photosystem II inhibitorsInhibition of photosynthesis at photosystem II5 Small Structure Medium Structure Large Structure
 Triazinesterbuthylazine93Syngenta (ex Nov.)Gardoprim, GS-13529C1Photosystem II inhibitorsInhibition of photosynthesis at photosystem II5 Small Structure Medium Structure Large Structure
 Triazinesterbutryn94Syngenta (ex Nov.)Igran, PrebaneC1Photosystem II inhibitorsInhibition of photosynthesis at photosystem II5 Small Structure Medium Structure Large Structure
 Triazinestrietazine84Bayer Crop Science (ex Aventis)Remtal, NC 1667C1Photosystem II inhibitorsInhibition of photosynthesis at photosystem II5 Small Structure Medium Structure Large Structure

Triazinones
 Triazinoneshexazinone101DuPontVelpar, DPX-3674C1Photosystem II inhibitorsInhibition of photosynthesis at photosystem II5 Small Structure Medium Structure Large Structure
 Triazinonesmetamitron100Bayer CropScienceGoltix, BAY DRW 1139C1Photosystem II inhibitorsInhibition of photosynthesis at photosystem II5 Small Structure Medium Structure Large Structure
 Triazinonesmetribuzin99Bayer CropScienceSencor, Sencorex, BAY 94337, Lexone, DPX-2504C1Photosystem II inhibitorsInhibition of photosynthesis at photosystem II5 Small Structure Medium Structure Large Structure
 Triazinonesmetribuzin99DuPontSencor, Sencorex, BAY 94337, Lexone, DPX-2504C1Photosystem II inhibitorsInhibition of photosynthesis at photosystem II5 Small Structure Medium Structure Large Structure

Triazolinone
 Triazolinoneamicarbazone299Bayer CropScienceBAY MKH 3586C1Photosystem II inhibitorsInhibition of photosynthesis at photosystem II5 Small Structure Medium Structure Large Structure

Uracils
 Uracilsbromacil104DuPontHyvar X, DuPont 976C1Photosystem II inhibitorsInhibition of photosynthesis at photosystem II5 Small Structure Medium Structure Large Structure
 Uracilslenacil102DuPontVenzar, DuPont 634C1Photosystem II inhibitorsInhibition of photosynthesis at photosystem II5 Small Structure Medium Structure Large Structure
 Uracilsterbacil103DuPontSinbar, DuPont 732C1Photosystem II inhibitorsInhibition of photosynthesis at photosystem II5 Small Structure Medium Structure Large Structure

PERMISSION MUST BE OBTAINED FIRST if you intend to base a significant portion of a scientific paper on data derived from this site. Citation:
Heap, I.  The International Herbicide-Resistant Weed Database.  Online.  Thursday, April 2, 2020 .  Available  www.weedscience.org Copyright © 1993- 2020 WeedScience.org All rights reserved. Fair use of this material is encouraged. Proper citation is requested.