-
HRA
C
Gro
up
A
Site of Action
Chemical Family
Active
Ingredient
WS
SA
Gro
up
Inhibition of acetyl
CoA
carboxylase
(ACCase)
Aryloxyphenoxy-propiona
te
‘FOPs’
clodinafop-propar
gyl
cyhalofop-butyl
diclofop-
methyl
fenoxaprop-P-eth
yl
fluazifop-P-butyl
haloxyfop-
R-meth
yl
propaquizafop
quizalofop-P-ethyl
1
Cyclohexanedione
‘DIMs’
alloxydim
butroxydim
clethodim
cycloxydim
profoxydim
sethoxydim
tepraloxydin
tralkoxydim
Phenylpyrazoline
‘DEN’
pinoxaden
B
Inhibition of
acetolactate
synthase ALS
(acetohydroxyacid synthase
AHAS)
Sulfonylurea
amidosulfuron
azimsulfuron
bensulfuron-meth
yl
chlorimuron-ethyl
chlorsulfuron
cinosulfuron
cyclosulfamuron
ethametsulfuron-
methyl
ethoxysulfuron
flazasulfuron
flupyrsulfuron-me
thyl-Na
foramsulfuron
halosulfuron-
meth
2
yl
imazosulfuron
iodosulfuron
mesosulfuron
metsulfuron-meth
yl
nicosulfuron
oxasulfuron
primisulfuron-met
hyl
prosulfuron
pyrazosulfuron-
et
hyl
rimsulfuron
sulfometuron-met
hyl
sulfosulfuron
thifensulfuron-me
thyl
triasulfuron
tribenuron-
methyl
trifloxysulfuron
triflusulfuron-met
hyl
tritosulfuron
Imidazolinone
imazapic
imazamethabenz-
methyl
imazamox
imazapyr
imazaquin
imazethapyr
Triazolopyrimidine
cloransulam-meth
yl
diclosulam
florasulam
flumetsulam
metosulam
penoxsulam
Pyrimidinyl(thio)benzoate
bispyribac-Na
pyribenzoxim
pyriftalid
pyrithiobac-
Na
pyriminobac-
meth
yl
Sulfonylaminocarbonyl-
tri
azolinone
flucarbazone-Na
propoxycarbazone
-Na
HRA
C
Gro
up
C1
Inhibition of
photosynthesis
at
photosystem II
Triazine
ametryne
atrazine
cyanazine
desmetryne
dimethametryne
prometon
prometryne
propazine
simazine
simetryne
terbumeton
terbuthylazine
terbutryne
trietazine
Triazinone
hexazinone
metamitron
metribuzin
Triazolinone
Uracil
amicarbazone
bromacil
lenacil
terbacil
Pyridazinone
pyrazon =
chloridazon
Phenyl-
carbamate
desmedipham
phenmedipham
C2
Inhibition of photosynthesis
at
photosystem II
Urea
chlorobromuron
chlorotoluron
chloroxuron
7
Site of Action
Chemical Family
Active
Ingredient
WS
SA
Gro
up
5
dimefuron
diuron
ethidimuron
fenuron
fluometuron (see
F3)
isoproturon
isouron
linuron
methabenzthiazur
on
metobromuron
metoxuron
monolinuron
neburon
siduron
tebuthiuron
Amide
propanil
pentanochlor
C3
Inhibition of photosynthesis
at
photosystem II
Benzothiadiazinone
Phenyl-
pyridazine
Nitrile
bromofenoxim
bromoxynil
ioxynil
bentazon
pyridate
pyridafol
D
Photosystem-I-electron
diversion
HRA
C
Gro
up
E
Inhibition of
protoporphyrinogen oxidase
(PPO)
Diphenylether
acifluorfen-Na
bifenox
chlomethoxyfen
fluoroglycofen-
eth
yl
fomesafen
halosafen
lactofen
oxyfluorfen
Site of Action
Chemical Family
Bipyridylium
diquat
paraquat
Active
Ingredient
WS
SA
Gro
up
14
22
6
Phenylpyrazole
fluazolate
pyraflufen-ethyl
N-phenylphthalimide
cinidon-
ethyl
flumioxazin
flumiclorac-pentyl
Thiadiazole
fluthiacet-methyl
thidiazimin
Oxadiazole
oxadiazon
oxadiargyl
Triazolinone
azafenidin
carfentrazone-eth
yl
sulfentrazone
Oxazolidinedione
Pyrimidindione
pentoxazone
benzfendizone
butafenacil
Other
pyraclonil
profluazol
flufenpyr-ethyl
F1
Bleaching:
Inhibition of carotenoid
biosynthesis at the phytoene
desaturase step (PDS)
Pyridazinone
norflurazon
12
Pyridinecarboxamide
diflufenican
picolinafen
Other
beflubutamid
fluridone
flurochloridone
flurtamone
F2
Bleaching:
Inhibition of
4-hydroxyphenyl-pyruvate-
di
oxygenase (4-HPPD)
Triketone
mesotrione
sulcotrione
27
Isoxazole
isoxachlortole
isoxaflutole
-
-
-
-
-
-
-
-
-
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