2023年8月3日发(作者：)

HRAC

Group

A

Site of Action Chemical Family Active

Ingredient

WSSA

Group

Inhibition of acetyl

CoA carboxylase

(ACCase)

Aryloxyphenoxy-propionate

‘FOPs’

?

?

?

?

clodinafop-propargyl

cyhalofop-butyl

diclofop-methyl

fenoxaprop-P-ethyl

fluazifop-P-butyl

haloxyfop-R-methyl

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-methyl

chlorimuron-ethyl

chlorsulfuron

cinosulfuron

cyclosulfamuron

ethametsulfuron-methyl

ethoxysulfuron

flazasulfuron

flupyrsulfuron-methyl-Na

foramsulfuron

halosulfuron-meth2 yl

imazosulfuron

iodosulfuron

mesosulfuron

metsulfuron-methyl

nicosulfuron

oxasulfuron

primisulfuron-methyl

prosulfuron

pyrazosulfuron-ethyl

rimsulfuron

sulfometuron-methyl

sulfosulfuron

thifensulfuron-methyl

triasulfuron

tribenuron-methyl

trifloxysulfuron

triflusulfuron-methyl

tritosulfuron

Imidazolinone imazapic

imazamethabenz-methyl

imazamox

imazapyr

imazaquin

imazethapyr

Triazolopyrimidine cloransulam-methyl

diclosulam

florasulam

flumetsulam

metosulam

penoxsulam

Pyrimidinyl(thio)benzoate bispyribac-Na

pyribenzoxim

pyriftalid

pyrithiobac-Na

pyriminobac-methyl

Sulfonylaminocarbonyl-triazolinone

flucarbazone-Na

propoxycarbazone-Na

HRAC

Group

C1

Site of Action Chemical Family Active

Ingredient

WSSA

Group

Inhibition of photosynthesis

at

photosystem II

Triazine ametryne

atrazine

cyanazine

desmetryne

dimethametryne

prometon

prometryne

propazine

simazine

simetryne

terbumeton

terbuthylazine

terbutryne

trietazine

5

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 dimefuron

diuron

ethidimuron

fenuron

fluometuron (see

F3)

isoproturon

isouron

linuron

methabenzthiazuron

metobromuron

metoxuron

monolinuron

neburon

siduron

tebuthiuron

Amide propanil

pentanochlor

C3 Inhibition of photosynthesis

at

photosystem II

Nitrile bromofenoxim

bromoxynil

ioxynil

6

Benzothiadiazinone

Phenyl-pyridazine

bentazon

pyridate

pyridafol

D Photosystem-I-electron

diversion

Bipyridylium diquat

paraquat

22

HRAC

Group

E

Site of Action Chemical Family Active

Ingredient

WSSA

Group

Inhibition of

protoporphyrinogen oxidase

(PPO)

Diphenylether acifluorfen-Na

bifenox

chlomethoxyfen

fluoroglycofen-ethyl

fomesafen

halosafen

lactofen

oxyfluorfen

14

Phenylpyrazole fluazolate

pyraflufen-ethyl

N-phenylphthalimide cinidon-ethyl

flumioxazin

flumiclorac-pentyl

Thiadiazole fluthiacet-methyl

thidiazimin

Oxadiazole oxadiazon

oxadiargyl

Triazolinone azafenidin

carfentrazone-ethyl

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-dioxygenase (4-HPPD)

Triketone mesotrione

sulcotrione

27

Isoxazole isoxachlortole

isoxaflutole

Pyrazole benzofenap

pyrazolynate

pyrazoxyfen

F3

Bleaching:

Inhibition of carotenoid

biosynthesis (unknown

target)

Other

Triazole

benzobicyclon

amitrole

(in vivo inhibition

of

lycopene cyclase)

11

Isoxazolidinone

Urea

clomazone

fluometuron (see

C2)

13

G

Inhibition of EPSP synthase

Diphenylether

Glycine

aclonifen

glyphosate

sulfosate

9

H Inhibition of glutamine

synthetase

Phosphinic acid glufosinate-ammonium

bialaphos =

bilanaphos

10

HRAC

Group

I

Site of Action Chemical Family Active

Ingredient

WSSA

Group

Inhibition of DHP

(dihydropteroate) synthase

Carbamate asulam 18

K1 Microtubule assembly

inhibition

Dinitroaniline benefin =

benfluralin

butralin

dinitramine

ethalfluralin

oryzalin

pendimethalin

trifluralin

3

Phosphoroamidate amiprophos-methyl

butamiphos

Pyridine dithiopyr

thiazopyr

Benzamide propyzamide =

pronamide

tebutam

Benzoic acid DCPA =

chlorthal-dimethyl

3

K2 Inhibition of mitosis /

microtubule organisation

Carbamate chlorpropham

propham

carbetamide

23

K3 Inhibition of VLCFAs ( see

Remarks)

(Inhibition of cell division)

Chloroacetamide acetochlor

alachlor

butachlor

15

dimethachlor

dimethanamid

metazachlor

metolachlor

pethoxamid

pretilachlor

propachlor

propisochlor

thenylchlor

Acetamide diphenamid

napropamide

naproanilide

Oxyacetamide flufenacet

mefenacet

Tetrazolinone

Other

fentrazamide

anilofos

cafenstrole

piperophos

L Inhibition of cell wall

(cellulose) synthesis

Nitrile dichlobenil

chlorthiamid

20

Benzamide

Triazolocarboxamide

isoxaben

flupoxam

21

Quinoline carboxylic acid quinclorac (for?

monocots)

(also group O)

26

HRAC

Group

M

Site of Action Chemical Family Active

Ingredient

WSSA

Group

Uncoupling (Membrane

disruption)

Dinitrophenol DNOC

dinoseb

dinoterb

24

N Inhibition of lipid synthesis -

not ACCase inhibition

Thiocarbamate butylate

cycloate

dimepiperate

EPTC

esprocarb

molinate

orbencarb

pebulate

prosulfocarb

thiobencarb =

benthiocarb

tiocarbazil

triallate

vernolate

8

Phosphorodithioate

Benzofuran

bensulide

benfuresate

ethofumesate

Chloro-Carbonic-acid TCA

dalapon

flupropanate

26

O Action like indole acetic acid

(synthetic auxins)

Phenoxy-carboxylic-acid clomeprop

2,4-D

2,4-DB

dichlorprop =

2,4-DP

MCPA

MCPB

mecoprop = MCPP

= CMPP

4

Benzoic acid chloramben

dicamba

TBA

Pyridine carboxylic acid clopyralid

fluroxypyr

picloram

triclopyr

Quinoline carboxylic acid quinclorac

(also group L)

quinmerac

P

Inhibition of auxin transport

Other

Phthalamate

Semicarbazone

benazolin-ethyl

naptalam

diflufenzopyr-Na

Active

Ingredient

19

HRAC

Group

R

S

.

Z

Site of Action Chemical Family WSSA

Group

....

...

...

Unknown

Note:? While the site of action

of herbicides in Group Z is

unknown it is likely that they

differ in site of action

between themselves and

from other groups.

...

...

...

Arylaminopropionic acid

...

...

...

Flamprop-M-methyl /-isopropyl

25

Pyrazolium

Organoarsenical

difenzoquat

DSMA

MSMA

26

17

Other bromobutide

(chloro)-flurenol

cinmethylin

cumyluron

dazomet

dymron =

daimuron

methyl-dimuron=

methyl-dymron

etobenzanid

fosamine

indanofan

metam

oxaziclomefone

oleic acid

pelargonic acid

pyributicarb

2023年8月3日发(作者：)

HRAC

Group

A

Site of Action Chemical Family Active

Ingredient

WSSA

Group

Inhibition of acetyl

CoA carboxylase

(ACCase)

Aryloxyphenoxy-propionate

‘FOPs’

?

?

?

?

clodinafop-propargyl

cyhalofop-butyl

diclofop-methyl

fenoxaprop-P-ethyl

fluazifop-P-butyl

haloxyfop-R-methyl

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-methyl

chlorimuron-ethyl

chlorsulfuron

cinosulfuron

cyclosulfamuron

ethametsulfuron-methyl

ethoxysulfuron

flazasulfuron

flupyrsulfuron-methyl-Na

foramsulfuron

halosulfuron-meth2 yl

imazosulfuron

iodosulfuron

mesosulfuron

metsulfuron-methyl

nicosulfuron

oxasulfuron

primisulfuron-methyl

prosulfuron

pyrazosulfuron-ethyl

rimsulfuron

sulfometuron-methyl

sulfosulfuron

thifensulfuron-methyl

triasulfuron

tribenuron-methyl

trifloxysulfuron

triflusulfuron-methyl

tritosulfuron

Imidazolinone imazapic

imazamethabenz-methyl

imazamox

imazapyr

imazaquin

imazethapyr

Triazolopyrimidine cloransulam-methyl

diclosulam

florasulam

flumetsulam

metosulam

penoxsulam

Pyrimidinyl(thio)benzoate bispyribac-Na

pyribenzoxim

pyriftalid

pyrithiobac-Na

pyriminobac-methyl

Sulfonylaminocarbonyl-triazolinone

flucarbazone-Na

propoxycarbazone-Na

HRAC

Group

C1

Site of Action Chemical Family Active

Ingredient

WSSA

Group

Inhibition of photosynthesis

at

photosystem II

Triazine ametryne

atrazine

cyanazine

desmetryne

dimethametryne

prometon

prometryne

propazine

simazine

simetryne

terbumeton

terbuthylazine

terbutryne

trietazine

5

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 dimefuron

diuron

ethidimuron

fenuron

fluometuron (see

F3)

isoproturon

isouron

linuron

methabenzthiazuron

metobromuron

metoxuron

monolinuron

neburon

siduron

tebuthiuron

Amide propanil

pentanochlor

C3 Inhibition of photosynthesis

at

photosystem II

Nitrile bromofenoxim

bromoxynil

ioxynil

6

Benzothiadiazinone

Phenyl-pyridazine

bentazon

pyridate

pyridafol

D Photosystem-I-electron

diversion

Bipyridylium diquat

paraquat

22

HRAC

Group

E

Site of Action Chemical Family Active

Ingredient

WSSA

Group

Inhibition of

protoporphyrinogen oxidase

(PPO)

Diphenylether acifluorfen-Na

bifenox

chlomethoxyfen

fluoroglycofen-ethyl

fomesafen

halosafen

lactofen

oxyfluorfen

14

Phenylpyrazole fluazolate

pyraflufen-ethyl

N-phenylphthalimide cinidon-ethyl

flumioxazin

flumiclorac-pentyl

Thiadiazole fluthiacet-methyl

thidiazimin

Oxadiazole oxadiazon

oxadiargyl

Triazolinone azafenidin

carfentrazone-ethyl

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-dioxygenase (4-HPPD)

Triketone mesotrione

sulcotrione

27

Isoxazole isoxachlortole

isoxaflutole

Pyrazole benzofenap

pyrazolynate

pyrazoxyfen

F3

Bleaching:

Inhibition of carotenoid

biosynthesis (unknown

target)

Other

Triazole

benzobicyclon

amitrole

(in vivo inhibition

of

lycopene cyclase)

11

Isoxazolidinone

Urea

clomazone

fluometuron (see

C2)

13

G

Inhibition of EPSP synthase

Diphenylether

Glycine

aclonifen

glyphosate

sulfosate

9

H Inhibition of glutamine

synthetase

Phosphinic acid glufosinate-ammonium

bialaphos =

bilanaphos

10

HRAC

Group

I

Site of Action Chemical Family Active

Ingredient

WSSA

Group

Inhibition of DHP

(dihydropteroate) synthase

Carbamate asulam 18

K1 Microtubule assembly

inhibition

Dinitroaniline benefin =

benfluralin

butralin

dinitramine

ethalfluralin

oryzalin

pendimethalin

trifluralin

3

Phosphoroamidate amiprophos-methyl

butamiphos

Pyridine dithiopyr

thiazopyr

Benzamide propyzamide =

pronamide

tebutam

Benzoic acid DCPA =

chlorthal-dimethyl

3

K2 Inhibition of mitosis /

microtubule organisation

Carbamate chlorpropham

propham

carbetamide

23

K3 Inhibition of VLCFAs ( see

Remarks)

(Inhibition of cell division)

Chloroacetamide acetochlor

alachlor

butachlor

15

dimethachlor

dimethanamid

metazachlor

metolachlor

pethoxamid

pretilachlor

propachlor

propisochlor

thenylchlor

Acetamide diphenamid

napropamide

naproanilide

Oxyacetamide flufenacet

mefenacet

Tetrazolinone

Other

fentrazamide

anilofos

cafenstrole

piperophos

L Inhibition of cell wall

(cellulose) synthesis

Nitrile dichlobenil

chlorthiamid

20

Benzamide

Triazolocarboxamide

isoxaben

flupoxam

21

Quinoline carboxylic acid quinclorac (for?

monocots)

(also group O)

26

HRAC

Group

M

Site of Action Chemical Family Active

Ingredient

WSSA

Group

Uncoupling (Membrane

disruption)

Dinitrophenol DNOC

dinoseb

dinoterb

24

N Inhibition of lipid synthesis -

not ACCase inhibition

Thiocarbamate butylate

cycloate

dimepiperate

EPTC

esprocarb

molinate

orbencarb

pebulate

prosulfocarb

thiobencarb =

benthiocarb

tiocarbazil

triallate

vernolate

8

Phosphorodithioate

Benzofuran

bensulide

benfuresate

ethofumesate

Chloro-Carbonic-acid TCA

dalapon

flupropanate

26

O Action like indole acetic acid

(synthetic auxins)

Phenoxy-carboxylic-acid clomeprop

2,4-D

2,4-DB

dichlorprop =

2,4-DP

MCPA

MCPB

mecoprop = MCPP

= CMPP

4

Benzoic acid chloramben

dicamba

TBA

Pyridine carboxylic acid clopyralid

fluroxypyr

picloram

triclopyr

Quinoline carboxylic acid quinclorac

(also group L)

quinmerac

P

Inhibition of auxin transport

Other

Phthalamate

Semicarbazone

benazolin-ethyl

naptalam

diflufenzopyr-Na

Active

Ingredient

19

HRAC

Group

R

S

.

Z

Site of Action Chemical Family WSSA

Group

....

...

...

Unknown

Note:? While the site of action

of herbicides in Group Z is

unknown it is likely that they

differ in site of action

between themselves and

from other groups.

...

...

...

Arylaminopropionic acid

...

...

...

Flamprop-M-methyl /-isopropyl

25

Pyrazolium

Organoarsenical

difenzoquat

DSMA

MSMA

26

17

Other bromobutide

(chloro)-flurenol

cinmethylin

cumyluron

dazomet

dymron =

daimuron

methyl-dimuron=

methyl-dymron

etobenzanid

fosamine

indanofan

metam

oxaziclomefone

oleic acid

pelargonic acid

pyributicarb