What is herbicide resistance?

Nufarm has mapped the development of herbicide resistant weeds through more than 180 trials over 14 years. Through the genetic profiling of these populations, Nufarm has developed the following Herbicide Resistance Stages.

Mode of action Groups & common names

As determined by Crop Life Australia

Aryloxyphenoxypropionates (Fops):

clodinafop (Topik®), cyhalofop (Barnstorm®), diclofop (Cheetah® Gold*,Decision®*, Hoegrass®, Tristar® Advance*), fenoxaprop (Cheetah® Gold*, Wildcat®), fluazifop (Fusilade®, Fusion®*), haloxyfop (Motsa®*, Verdict®), propaquizafop (Shogun®), quizalofop (Targa®)

Cyclohexanediones (Dims):

butroxydim (Falcon®, Fusion®*), clethodim (Motsa®*, Select®), profoxydim (Aura®), sethoxydim (Cheetah® Gold*, Decision®*), tepraloxydim (Aramo®), tralkoxydim (Achieve®)

Phenylpyrazoles (Dens): * This product contains more than one active constituent.

pinoxaden (Axial®)

Sulfonylureas (SUs):

azimsulfuron (Gulliver®), bensulfuron (Londax®), chlorsulfuron (Glean®), ethoxysulfuron (Hero®), foramsulfuron (Tribute®), halosulfuron (Sempra®), iodosulfuron (Hussar®), mesosulfuron (Atlantis®), metsulfuron (Ally®, Harmony®* M, Stinger®*, Trounce®*), prosulfuron (Casper®), rimsulfuron (Titus®), sulfometuron (Oust®), sulfosulfuron (Monza®), thifensulfuron (Harmony®* M), triasulfuron, (Logran®, Logran® B­Power®*), tribenuron (Express®), trifloxysulfuron (Envoke®, Krismat®*)

Imidazolinones (Imis):

imazamox (Raptor®, Intervix®*), imazapic (Bobcat I­Maxx® *, Flame®, Midas®*, OnDuty®*), imazapyr (Arsenal Xpress®, Midas®*, OnDuty®*, Intervix®*, Lightning®*), imazethapyr (Spinnaker®, Lightning®*)

Triazolopyrimidines (Sulfonamides):

florasulam (Conclude®, Torpedo®, X­Pand®) flumetsulam (Broadstrike®), metosulam (Eclipse®), pyroxsulam (Crusader®)

Pyrimidinylthiobenzoates: * This product contains more than one active constituent.

Bispyribac (Nominee®), pyrithiobac­Na (Staple®)

Triazines:

ametryn (Amigan®*, Primatol Z®, Gesapax® Combi*, Krismat®), atrazine (Gesaprim®, Gesapax® Combi*, Primextra® Gold*), cyanazine (Bladex®), prometryn (Gesagard®, Cotogard®*, Bandit®*), propazine (Agaprop®), simazine (Gesatop®), terbutryn (Amigan®*, Igran®, Agtryne® MA*)

Triazinones:

hexazinone (Bobcat I­Maxx®, Velpar® L, Velpar® K4*), metribuzin (Sencor® )

Uracils:

bromacil (Hyvar®, Krovar®*), terbacil (Sinbar®)

Pyridazinones:

chloridazon (Pyramin®)

Phenylcarbamates:

phenmedipham (Betanal®)

Ureas:

diuron (Karmex®, Krovar®*, Velpar® K4*), fluometuron (Cotoran®, Cotogard®*, Bandit®*), linuron (Afalon®), methabenzthiazuron (Tribunil®), siduron (Tupersan®), tebuthiuron (Graslan®)

Amides

propanil (Stam®)

Nitriles:

bromoxynil (Buctril®, Buctril® MA*, Barrel®*, Jaguar®*, Flight®, Triathlon®, Velocity®*), ioxynil (Totril®, Actril® DS*)

Benzothiadiazinones: * This product contains more than one active constituent.

bentazone (Basagran®, Basagran® M60*, Multiweed®*)

Dinitroanilines (DNAs):

oryzalin (Rout®*, Surflan®), pendimethalin (Stomp®), trifluralin (Treflan®)

Benzoic acids:

chlorthal (Dacthal®, Prothal®*)

Benzamides:

propyzamide (Kerb®)

Pyridines: * This product contains more than one active constituent.

dithiopyr (Dimension®), thiazopyr (Visor®)

Carbamates:

carbetamide (Carbetamex®), chlorpropham (Chlorpropham®)

Pyridinecarboxamide:

diflufenican (Brodal®, Jaguar®*, Tigrex®*, Chipco Spearhead®*, Triathlon®*) picolinafen (Flight®*, Paragon®*, Sniper®)

Pyridazinones: * This product contains more than one active constituent.

norflurazon (Solicam®)

Diphenylethers:

acifluorfen (Blazer®), oxyfluorfen (Goal®, Rout®*)

N­phenylphthalimides:

flumioxazin (Valour®)

Oxadiazoles:

oxadiargyl® (Raft), oxadiazon (Ronstar®)

Triazolinones:

carfentrazone (Affinity®, Aptitude®*, Broadway®*)

Pyrimidindiones:

butafenacil (Logran® B­Power®*, Resolva®*), saflufenacil (Sharpen®)

Phenylpyrazole: * This product contains more than one active constituent.

pyraflufen (Ecopar®, Pyresta®*)

Pyrazoles:

benzofenap (Taipan®), pyrasulfotole (Precept®*, Velocity®*)

Isoxazoles: * This product contains more than one active constituent.

isoxaflutole (Balance®)

Phenoxycarboxylic acids (Phenoxys):

2,4­D (Amicide®, Actril DS®* Fallow Bos Tordon®*, Methar Tri­Kombi®*), 2,4­DB (Trifolamine®), dichlorprop (Lantana 600®), MCPA (MCPA, Buctril® MA*, Banvel M®*, Midas®*, Paragon®*, Tigrex®*, Barrel®*, Tordon 242®*, Basagran® M60*, Chipco Spearhead®*, Agtryne® MA*, Precept®*), MCPB (Legumine®), mecoprop (Mecopropamine®, Mecoban®, Methar Tri­Kombi®*)

Benzoic acids:

dicamba (Banvel®, Banvel M®*, Barrel®*, Mecoban®, Methar Tri­Kombi®*)

Pyridine carboxylic acids (Pyridines):

aminopyralid (Fallow Boss Tordon®*, Hotshot®*, Grazon Extra®*), clopyralid (Lontrel®, Torpedo®*, Chipco Spearhead®*), fluroxypyr (Starane®, Hotshot®*), picloram (Fallow Boss Tordon®*, Tordon®, Tordon 242®*, Grazon®*, Grazon Extra®*), triclopyr (Garlon®, Grazon®*, Grazon Extra®*)

Quinoline carboxylic acids: * This product contains more than one active constituent.

quinclorac (Drive®)

Chlorocarbonic acids:

2,2–DPA (Dalapon®), flupropanate (Frenock®)

Thiocarbamates:

EPTC (Eptam®), molinate (Ordram®), pebulate (Tillam®), prosulfocarb (Boxer® Gold*), thiobencarb (Saturn®), triallate (Avadex®), vernolate (Vernam®)

Phosphorodithioates:

bensulide (Prefar®)

Benzofurans: * This product contains more than one active constituent.

ethofumesate (Tramat®)

Acetamides:

napropamide (Devrinol®)

Chloroacetamides:

dimethenamid (Frontier®­P, Outlook®), metolachlor (Boxer® Gold*, Dual® Gold, Primextra® Gold*), propachlor (Ramrod®, Prothal®*)

Isoxazoline: * This product contains more than one active constituent.

Pyroxasulfone (Sakura®)

Bipyridyls: * This product contains more than one active constituent.

diquat (Reglone®, Spray Seed®*), paraquat (Gramoxone®, Spray Seed®*, Alliance®*)

Glycines: * This product contains more than one active constituent.

glyphosate (Roundup®, Trounce®*, Illico®*, Arsenal Xpress®*, weedmaster®)

Phosphinic acids:

glufosinate (Basta®, Liberty®)

Nitriles:

dichlobenil (Casoron®)

Benzamides: * This product contains more than one active constituent.

isoxaben (Gallery®, X­Pand®*)

Phthalamates:

naptalam (Alanap­L®)

Triazoles:

amitrole (Amitrole®, Illico®*, Alliance®*)

Isoxazolidinones: * This product contains more than one active constituent.

clomazone (Command®)

Carbamates:

asulam (Asulox®)

Arylaminopropionic acids:

flamprop (Mataven L®)

Dicarboxylic acids:

endothal (Endothal®)

Organoarsenicals:

DSMA [disodium methylarsonate] (Methar®), MSMA (Daconate®)