Herbicide Resistant Weeds

ALS inhibitors - HRAC GROUP B Inhibition of acetolactate synthase ALS (acetohydroxyacid synthase AHAS)

Imidazolinones
Active	Company	Example Trade Name	WSSA
imazamethabenz-methyl	BASF (ex Am.Cy.)	Assert, AC 22293	2
imazamox	BASF (ex Am.Cy.)	Raptor	2
imazapic	BASF (ex Am.Cy.)	AC-163222, CL-263222, Cadre	2
imazapyr	BASF (ex Am.Cy.)	Arsenal, Assault, AC 252925	2
imazaquin	BASF (ex Am.Cy.)	Scepter, Image, AC 252214	2
imazethapyr	BASF (ex Am.Cy.)	Pursuit, Pivot, AC 263499	2

Pyrimidinylthiobenzoates
Active	Company	Example Trade Name	WSSA
bispyribac-Na	Kumiai	Nominee, KIH-2023	2
pyribenzoxim	LG Chemical	Pyanchor, Kiljabi Gold, LGC-40863	2
pyriftalid	Syngenta (ex Nov.)	CGA-279233	2
pyriminobac-methyl	Kumiai	Prosper, KIH-6127	2
pyrithiobac-Na	DuPont	Staple, DPX-PE350	2

Sulfonylaminocarbonyltriazolinone
Active	Company	Example Trade Name	WSSA
flucarbazone-Na	Arysta LifeScience Corporation	MKH-6562, SJO-0498	2
procarbazone-Na	BayerCropScience		2
propoxycarbazone		Olympus	2

Sulfonylureas
Active	Company	Example Trade Name	WSSA
amidosulfuron	BayerCropscience (ex Aventis)	Adret, Gratil, HOE-75032	2
azimsulfuron	DuPont	Gulliver, DPX-A8947	2
bensulfuron-methyl	DuPont	Londax, DPX-F5384	2
chlorimuron-ethyl	DuPont	Classic, DPX-F6025	2
chlorsulfuron	DuPont	Glean, Telar, DPX-W4189	2
cinosulfuron	Syngenta (ex Nov.)	Setoff, CGA 142464	2
cyclosulfamuron	BASF (ex Am.Cy.)	AC-322140, Saviour	2
ethametsulfuron-methyl	DuPont	Muster, DPX-A7881	2
ethoxysulfuron	BayerCropscience (ex Aventis)	HOE 095404	2
flazasulfuron	Syngenta (ex Zen.)	Shibagen, SL-160, OK-1166	2
flupyrsulfuron-methyl-Na	DuPont	Lexus XPE, Lexus Millenium, DPX-KE459	2
foramsulfuron	BayerCropscience (ex Aventis)	AEF-130360	2
halosulfuron-methyl	Monsanto	Permit, Battalion, MON-12000	2
imazosulfuron	Takeda	Takeoff, Sibatito, TH-913	2
iodosulfuron-methyl-sodium	BayerCropscience (ex Aventis)	AE F115008	2
mesosulfuron-methyl	BayerCropscience (ex Aventis)	AE F-130060	2
metsulfuron-methyl	DuPont	Ally, Allie, Escort, DPX-T6376	2
nicosulfuron	DuPont	Accent, DPX-V 9360	2
oxasulfuron	Syngenta (ex Nov.)	Expert, Dynam, CGA-277476	2
primisulfuron-methyl	Syngenta (ex Nov.)	Beacon, Tell, CGA 136872	2
prosulfuron	Syngenta (ex Nov.)	Peak, Exceed, CGA 152 005	2
pyrazosulfuron-ethyl	Nissan Chemical	Sirius, Agreen, NC-311	2
rimsulfuron	DuPont	Titus, DPX-E 9636	2
sulfometuron-methyl	DuPont	Oust, DPX-5648	2
sulfosulfuron	Monsanto	MON-37500	2
thifensulfuron-methyl	DuPont	Pinacle, Harmony, DPX-M6316	2
triasulfuron	Syngenta (ex Nov.)	Amber, Logran, CGA-131036	2
tribenuron-methyl	DuPont	Express, Granstar, DPX-L5300	2
trifloxysulfuron-sodium	Syngenta (ex Nov.)	CGA-362622	2
triflusulfuron-methyl	DuPont	Safari, Upbeet, DPX-66037	2
triofensulfuron	BayerCropscience (ex Aventis)		2
tritosulfuron	BASF	BAS 525 H	2

Triazolopyrimidines
Active	Company	Example Trade Name	WSSA
cloransulam-methyl	Dow AgroSciences	First Rate, XDE-565	2
diclosulam	Dow AgroSciences	Diclocular, XDE-564	2
florasulam	Dow AgroSciences	Primus, DE-570	2
flumetsulam	Dow AgroSciences	Broadstrike, Scorpion, DE 498	2
metosulam	Dow AgroSciences	Pronto, Eclipse, Uptake, DE 511	2
penoxsulam	Dow AgroSciences	DE-638, Granite, Ricer, Viper, Bengala, Grasp	2
pyroxsulam	Dow AgroSciences	Admitt, Powerflex, Merrit Gold, XDE-742	2