Herbicide Resistance Action Committee

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Overview of the HRAC classification

The HRAC ( Herbicide Resistance Action Committee ) is an association of various companies to develop measures against herbicide resistance.

The HRAC is supported by CropLife International (formerly GIFAP and GPFC). Today's members are Arysta LifeScience , BASF , Bayer CropScience , Corteva , FMC , Makhteshim Agan (Adama), Syngenta and Sumitomo Chemical .

aims

The primary goal of HRAC is to make the handling of herbicides more effective. To this end, knowledge is to be promoted and cooperation and communication between farmers, the government and the plant protection industry are promoted. In concrete terms this means:

  • A responsible attitude in the application should be achieved.
  • HRAC aims to promote research, conferences and seminars on herbicide resistance.
  • The consequences and reasons for herbicide resistance should be made familiar to all involved.
  • Herbicide resistance management systems are to be set up and incorporated into all important practical instructions.
  • Communication between industry representatives is to be improved.
  • Private and public research work should be coordinated.

HRAC code

Herbicidal active ingredients are divided into the following groups:

code Mechanism of action Active ingredient group Risk of selection of resistant biotypes with frequent use of preparations with the same mechanism of action Example active ingredients Sample products
A. Acetyl-CoA carboxylase inhibitors (ACCase inhibitors) Aryloxyphenoxypropionate (FOP) very high Clodinafop propargyl Topic
Cyhalofop-butyl
Diclofop-methyl Illoxan, Hoelon
Fenoxaprop-P-ethyl Puma, Whip 360 , Ralon Super
Fluazifop-P-butyl Fusilade Max
Haloxyfop -P-methyl Gallant
Propaquizafop Agile
Quizalofop -P-ethyl / -tefuryl Assure , Panarex, Targa Super
Cyclohexanedione (DIM) Alloxydim Fervin
Butroxydim Fusion great
Clethodim Select
Cycloxydim Focus Ultra
Profoxydim aura
Sethoxydim Fervinal
Tepraloxydim Aramo
Tralkoxydim Achieve
Phenylpyrazolines (DEN) Pinoxades Axially
B. Acetolactate Synthase Inhibitors

(ALS inhibitors / AHAS inhibitors)

Sulfonylureas high Amidosulfuron Hoestar
Azimsulfuron
Bensulfuron-methyl Londax
Chlorimuron-ethyl Classic, skirmish
Chlorsulfuron Glean
Cinosulfuron
Cyclosulfamuron
Ethametsulfuron-methyl Salsa
Ethoxysulfuron
Flazasulfuron Chikara, katana
Foramsulfuron MaisTer
Flupyrsulfuron-methyl- Na Ciral (with metsulfuronmethyl ), Lexus
Halosulfuron-methyl Manage, permit
Imazosulfuron Brazzos
Iodosulfuron Atlantis (with mesosulfuron ), hussar
Mesosulfuron
Metsulfuronmethyl Accurate, Finy, Gropper, in Acupro / Alliance
Nicosulfuron Accent, Motivell
Oxasulfuron
Primisulfuron-methyl Beacon
Prosulfuron Exceed, Peak, in Casper (with Dicamba)
Pyrazosulfuron-ethyl Agreen, Sirius
Rimsulfuron Cato, Matrix , Titus, Task (with Dicamba )
Sulfometuron-methyl Oust
Sulfosulfuron Monitor, Olanda
Thifensulfuron-methyl Concert, Harmony, Pinnacle
Triasulfuron Amber, Logran , Zoom (with Dicamba)
Tribenuron-methyl Express , pointer
Trifloxysulfuron sodium monument
Triflusulfuron-methyl Debut
Tritosulfuron Biathlon, Arrat (with Dicamba )
Imidazolines Imazamethabenz-methyl Assert
Imazamox Raptor , in Clearfield-Vantiga
Imazapic Cadre, plateau
Imazapyr Arsenal, container
Imazaquin Image, scepter
Imazethapyr Pursuit
Triazolopyrimidines Florasulam Primus
Metosulam Pronto , Tacco
Penoxsulam in falcon
Pyroxsulam Broadway (with Florasulam)
Cloransulam-methyl FirstRate
Diclosulam Strongarm
Flumetsulam python
Pyrimidinyl (thio) benzoates Bispyribac sodium Nominee
Pyribenzoxime
Pyriftalid
Pyriminobac-methyl
Pyrimisulfane Best partner
Pyrithiobac sodium Stack
Sulfonyl-amino-carbonyl-triazolinones Propoxycarbazone sodium Attribute, caliban (with iodosulfuron )
Flucarbazone Sodium
Thiencarbazon-methyl Adango (with isoxaflutole )
C1 Photosystem II inhibitor (PS inhibitor) Triazines medium to high Atrazine Gesaprim, (A) Atrex
Ametryn Gesapax, Evik
Cyanazine Bladex, Fortrol
Desmetryn Semeron
Dimethametryn Dimepax
Dipropetryn Sancap, Cotofor
Methoprotryn Gesaran
Prometon Gesagram, Primatol
Prometryn Caparol
Propazine Gesamil, Milogard
Simazine Gesatop, Princep
Simetryn Cybon
Terbumetone Caragard
Terbuthylazine in Gardo Gold, Gardobuc / Zeagran (with Bromoxynil ), Artett (with Bentazon ), Gardoprim
Terbutryn Igran, Clarosan
Trietazine Gesafloc
Triazinones Hexazinone Velpar
Metamitron Goltix
Metribuzin Lexone , Mistral, Sencor
Triazolinones Amicarbazone
Thymine / uracil herbicides Lenacil Venzar
Bromacil Hyvar
Terbacil Sinbar
Pyridazinones Chloridazon = Pyrazon Betoxon, Pyramin
Phenyl carbamates Phenmedipham , Desmedipham Betasana (both), Betanal (both), Powertwin (with Ethofumesat )
C2 Photosystem II inhibitor (PS inhibitor) Phenylureas medium to high DCMU Diuron, Karmex, Cumatol, Rapier, etc.
Isoproturon IPU, Arelon Top
Buturon Eptapur
Chlorobromuron Maloran
Chlortoluron (CTU) Dicuran, etc.
Chloroxuron Tenoran
Dimefuron
Fenuron Dybar
Fluometuron (also F3) Cotoran
Linuron Lorox , Afalon
Methabenzthiazuron Tribunil
Metobromuron Pattonex
Metoxuron Dosanex
Monolinuron Aresin
Neburon Cock
Siduron Tupersan
Thiadiazolylureas Buthiuron
Ethidimuron Ustilan
Tebuthiuron Spike
Thiazafluron Erbotan
Thidiazuron Dropp, Defolit
Amides (anilides) Pentanochlor Solan
Propanil Stam
C3 Photosystem II inhibitor (PS inhibitor) Nitriles medium to high Bromfenoxime
Bromoxynil Brominal , B 235, Caracho, Bromoterb (with terbuthylazine )
Ioxynil Actril , as an admixture
Benzothiadiazoles Bentazone Artett (with terbuthylazine ), Basagran (with dichlorprop-P)
Phenylpyridazine Pyridafol
Pyridate Lentagran
D. Electron uptake in photosystem I Bipyridines low Diquat Reglone
Paraquat Gramoxone
E. Protoporphyrinogen Oxidase Inhibitors (PPO Inhibitors) Diphenyl ether herbicides medium Acifluorfen -Na blazer
Bifenox Fox
Chlomethoxyfen Ekkusugoni
Fluoroglycofen-ethyl Estrad
Fomesafen Flex, reflex
Halosafen
Lactofen Cobra
Oxyfluorfen goal
Phenylpyrazoles Fluazolate
Pyraflufen-ethyl Quickdown
N -phenylphthalimide Cinidon-ethyl lotus
Flumioxazin Sumimax
Flumiclorac-pentyl Resource
Thiadiazoles Fluthiacet-methyl Cadet
Oxadiazoles Oxadiazon Ronstar
Oxadiargyl Carioca
Triazolinones Azafenidin
Carfentrazone-ethyl Arthur (with Metsulfuronmethyl ), Oratio
Sulfentrazone
Pyrimidinediones Benzfendizone
Butafenacil As part of Logran / Touchdown B-Power
Other Flufenpyr-ethyl
Pyraclonil
Profluazole
F1 chlorotics

(Bleach)

Inhibition of carotenoid synthesis: phytoene desaturase inhibitors (PDS inhibitors) Pyridazine medium Norflurazon Evital, Zorial
Pyridinecarboxamides Diflufenican Fenican (with isoproturon )
Picolinafen Pico
Other Beflubutamide BeFlex, Herbaflex, Trioflex
Fluorochloridone Racer CS
Flurtamone Bacara (with diflufenican)
Fluridon
F2 chlorotics

(Bleach)

Inhibition of carotenoid synthesis: 4-hydroxyphenylpyruvate dioxygenase inhibitors (HPPD inhibitors) Triketones medium Mesotrione Callisto
Sulcotrione mikado
Tembotrion Laudis
Topramezone Clio
Isoxazole Isoxachlortol
Isoxaflutole Balance , Merlin
Pyrazoles Benzofenap
Pyrazolynate
Pyrazoxyfen
Other Benzobicyclone (bicyclopyrone) in Acuron
F3 chlorotics Inhibition of carotenoid synthesis: unknown point of attack Triazoles medium Amitrole Ustinex (with DCMU ), Weedazol
Diphenyl ether herbicides Aclonifen Bandur
Nitrofen Triciline, TOK
F4 chlorotics Inhibition of carotenoid synthesis: 1-deoxy-D-xylulose-5-phosphate synthase inhibitor (DOXP inhibitor) Isoxazolidinones medium Clomazone Centium, Cirrus, Command , CS36, Echelon, Gamit
G 5-enolpyrovylshikimate-3-phosphate synthase inhibitors (EPSP inhibitors) Amino acid derivatives: glycine derivative low to medium glyphosate Roundup
H Glutamate ammonium ligase inhibitors Amino acid derivative: phosphinic acid derivatives low to medium Glufosinate Basta (Europe), Liberty (USA)
Bialaphos
I. Dihydropteroate synthase inhibitors (DHP inhibitors) Carbamates Asulam Asulox
K1 Microtubule inhibitors Dinitroaniline low Benfluralin (Benefin) Balfin, Banafin, Bonalan, Balan, Quilan
Butraline Amex, Tamex
Dinitramine Cobex
Ethalfluralin Sonalan
Cursed chlorine Basaline
Oryzalin Surflan, XL (with benfluralin )
Pendimethalin Activus, Stomp, Malibu (with Flufenacet ), Orbit (with Cinidon-ethyl ), Picona (with Picolinafen ), Pentagon, Prowl, Herbadox
Profluralin Tolban
Trifluralin Treflan, Ipifluor, Elancolan, Digermin, Triflurex, Ipersan, Sinfluoran
Pyridines Dithiopyr dimension
Thiazopyr
Benzamides Propyzamid = Pronamid Groove, herbenta, notch
Tebutam in Commodor and Traton
Benzoic acids DCPA Dacthal
Phosphoramidates Amiprophos-methyl
Butamifos Cremart
unclassified Cell cycle inhibitors Flamprop-M-methyl Suffix BW, Mataven
Protein - Phosphatase 2A inhibitors (inhibitors of the cell cycle signaling pathway) Dicarboxylic acids Endothal Accelerate, Des-i-Cate
K2 Microtubule Organization Inhibitors Carbamates low Barban Carbyne, Caryne, Neobyne
Carbetamide Pradone station wagon
Chlorpropham CIPC, Gro-Stop, Keimstop, Neonet, Sprout Nip
Propham Birgin
K3 Fatty acid synthesis inhibitors ( VLCFA inhibitors) Chloracetamides / Chloracetanilides low Acetochlor Harness, Surpass, Topnotch
Alachlor Lasso, Lazo, Pillarzo
Butachlor Machete, Butanex, Lambast
Dimethachlor Brasan
Dimethenamid -P Frontier , Spectrum
Metazachlor Butisan, Fuego
S- metolachlor Dual, Pennant , in Gardo Gold
Pethoxamide Successor 600
Pretilachlor Rifit
Propachlor Ramrod, etc.
Propisochlor Proponite
Thenyl chlorine Alherb
Acetamide Diphenamide Dymid
Napropamide Devrinol
Naproanilide
Oxyacetamides Flufenacet Cadou, Herold (with Diflufenican ), Artist (with Metribuzin ), Teramo (with Metosulam )
Mefenacat
Tetrazolinones Fentrazamide Innova
Ipfencarbazon
Phosphorodithioates Anilofos Arozin, Rico
Piperophos Rilof
Pyroxasulfone Zidua
L. Cell wall inhibitor (cellulose synthesis inhibitor / CBI) Benzamides Isoxaben Flexidor
Nitriles Chlorothiamide prefix
Dichlobenil Casoron
Triazolocarboxamides Flupoxam
Alkyl azines Indaziflam Alion
Triaziflam
M. Decoupling / membrane destruction Dinitrophenols DNOC Antinonnin, yellow oil
Dinoseb Aretite
Dinoterb Herbogil
N Lipid synthesis inhibitors, except A Thiocarbamates low Butylate Sutan
Cycloate Ro-neet
Dimepiperate Yukamate
EPTC Eptam, Eradicane
Esprocarb Fuji grass
Molinate Ordram
Orbencarb Lanray
Pebulate Tillam
Prosulfocarb boxer
Thiobencarb = Benthiocarb Saturn
Triallate Avadex, Far-Go
Vernolate Vernam
Benzofurans Benfuresat Cyperal
Ethofumesate Tramat, Powertwin (with Phenmedipham )
Phosphorodithioates Bensulide Betasan, Prefor
Chlorocarboxylic acids Trichloroacetic acid
2,2-dichloropropionic acid (2,2-DPA) Dalapon
O Growth substances Phenoxycarboxylic acids (phenoxyalkanecarboxylic acids) impossible 2,4-D Dicopur , U 46 D
2,4-DB Embutox
Dichloroprop Duplosan DP
2,4,5-T Xylopur
MCPA U 46 M, Cornox M.
MCPB Divopan
Mecoprop (MCPP) Duplosan KV, Isocornox
Benzoic acids Chloramben Amiben
Dicamba Banvel
Pyridinecarboxylic acids /

Picolinic acid derivatives

Aminopyralid Milestone
Clopyralid Effigo, Lontrel, Vivendi, Runway (with Aminopyalid and Picloram)
Fluroxypyr Flurane, Fluroxane, Fluxyr, Follow, Galarane, Lodin, Pyrat, Starane
Picloram in Effigo, Tordon
Triclopyr in Ranger (with Fluroxypr), Garlon, Topper
Quinoline carboxylic acids Quinclorac Facet
Quinmerac in Butisan Top, Clearfield-Vantiga u. A.
Other Benazolin Cornox, Galtak
P Auxin transport inhibitors Phthalamates Naptalam Alanap
Semicarbazone Diflufenzopyr
Z Mode of action unknown Arsenates Sodium methyl arsenate Several
Pyrazolium derivatives Difenzoquat Avenge
Dithiocarbamates Dazomet Basamid, mylons
Metam sodium Metham, vapam
Pelargonic acid
Not yet classified Tyrosine aminotransferase inhibitors Epoxies Cinmethyline Argold, Cinch
Methiozoline PoaCure

Application of the classification in Germany

This table provides an overview of which herbicides can be used in which crops.

Culture A. B. C. E. F. G H K N O
Grain Fenoxaprop, Clodinafop, Pinoxaden all approved sulfonylureas Isoproturon, Chlortoluron, Ioxynil + Dichlorprop, Beflubutamide + Ioxynil + Mecoprop Flumioxazin, Cinidon-ethyl, Bifenox, Carfentrazone-ethyl Diflufenican, flurtamone, picolinafen Flufenacet, Pendimethalin Prosulfocarb 2,4-D; Dichlorprop, MCPA, fluroxypyr
Rapeseed, beets, potatoes, legumes Fluazifop, Propaquizafop, Quizalofop, Clethodim Metamitron, metribuzin Bifenox Clomazone Glufosinate Flufenacet, Dimethachlor, Dimethenamid, Metazachlor, Napropamid, Carbetamid Prosulfocarb, ethofumesate Clopyralid, quinmerac
Corn Tepraloxydim Nicosulfuron, Tritosulfuron, Rimsulfuron, Foramsulfuron Terbuthylazine all triketones Flufenacet, Metolachlor, Pethoxamide
Special crops Tepraloxydim glyphosate

Related organizations

WeedScience , an international cooperation of over 80 scientists, maintains a database of documented herbicide resistance .

Web links

Individual evidence

  1. ↑ Members at hracglobal.com. Accessed August 6, 2019 .
  2. ↑ Table with HRAC codes AELF Bayern ( Memento of the original from May 24, 2016 in the Internet Archive ) Info: The archive link was inserted automatically and has not yet been checked. Please check the original and archive link according to the instructions and then remove this notice. (offline).  @1@ 2Template: Webachiv / IABot / www.aelf-wu.bayern.de
  3. ^ Classification of Herbicides (official) .
  4. ↑ HRAC Classification of Herbicides and Resistance Development (PDF; 170 kB).
  5. ↑ Use herbicides skillfully ( Memento from August 2, 2014 in the Internet Archive ) 2/2010
  6. ^ The International Survey of Herbicide Resistant Weeds (description), portal with database.