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2020 Take Action Herbicide Classification Chart

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2020 Take Action Herbicide Classification Chart HERBICIDE CLASSIFICATION Repeated use of herbicides with the same site of action can result in the development of herbicide-resistant weed populations. by MODE OF ACTION (MOA) (effect on plant growth) by PREMIX This chart groups herbicides by their modes of action to assist you in selecting herbicides 1) to maintain greater diversity in herbicide This chart lists premix herbicides alphabetically by their trade names so you can identify the premix’s component herbicides use and 2) to rotate among effective herbicides with different sites of action to delay the development of herbicide resistance. and their respective site-of-action groups. Refer to the Site-of-Action chart on the left for more information. SITEOFACTION NUMBER OF RESISTANT COMPONENT COMPONENT GROUP WEED SPECIES IN U.S. SITEOFACTION SITEOFACTION SITE OF ACTION CHEMICAL ACTIVE PRODUCT GROUP GROUP FAMILY INGREDIENT EXAMPLES (TRADE NAME) PREMIX ACTIVE TRADE PREMIX ACTIVE TRADE INGREDIENT NAME INGREDIENT NAME LIPID SYNTHESIS INHIBITORS clodinafop Discover NG bicyclopyrone ––––– 27 acetochlor Harness 15 HARNESS MAX cyhalofop Clincher mesotrione Callisto 27 mesotrione Callisto 27 Aryloxyphenoxypropio- ACURON fenoxaprop Ricestar HT, others atrazine AAtrex 5 acetochlor Harness 15 nate (fops) HARNESS XTRA fluazifop Fusilade DX s-metolachlor Dual II Magnum 15 atrazine AAtrex 5 ACCASE INHIBITORS 15 1 (acetyl CoA carboxylase) quizalofop Aggressor, Assure II, Targa bicyclopyrone ––––– 27 clopyralid Stinger 4 HORNET clethodim Select Max, others ACURON FLEXI mesotrione Callisto 27 flumetsulam Python 2 Cyclohexanedione (dims) sethoxydim Poast, Poast Plus s-metolachlor Dual II Magnum 15 pyrasulfotole ––––– 27 HUSKIE Phenylpyrazolin pinoxaden Axial XL AFFINITY BROADSPEC thifensulfuron Harmony 2 bromoxynil Maestro 6 (Affinity TankMix) tribenuron Express 2 pyrasulfotole ––––– 27 AMINO ACID SYNTHESIS INHIBITORS thifensulfuron Harmony 2 HUSKIE COMPLETE bromoxynil Maestro 6 imazamox Raptor, Beyond, Clearmax AFFORIA tribenuron Express 2 thiencarbazone Varro 2 imazapic Plateau flumioxazin Valor 14 atrazine AAtrex 5 IMPACTZ Imidazolinone imazapyr Arsenal dicamba Clarity 4 topramezone Impact 27 imazaquin Scepter thifensulfuron Harmony 2 rimsulfuron Resolve, Matrix 2 AGILITY SG INSTIGATE imazethapyr Pursuit, Newpath tribenuron Express 2 mesotrione Callisto 27 bispyribac Regiment metsulfuron Ally 2 glufosinate Liberty 10 Pyrimidinylthiobenzoic acid INTERMOC pyrithiobac Staple thifensulfuron Harmony 2 s-metolachlor Dual Magnum 15 flucarbazone Everest, Pre-Pare, Sierra ALLY EXTRA tribenuron Express 2 KEYSTONE NXT acetochlor Surpass NXT 15 Sulfonylaminocarbonyltri- propoxycarbazone Olympus metsulfuron Ally 2 (Keystone LA NXT) atrazine AAtrex 5 azolinones thiencarbazone Varro pyroxasulfone Zidua 15 2,4-D 2,4-D, others 4 ANTHEM FLEX bensulfuron Londax carfentrazone Aim 14 KOCHIAVORE fluroxypyr Starane 4 chlorimuron Classic pyroxasulfone Zidua 15 bromoxynil Maestro 6 ANTHEM MAXX chlorsulfuron Glean fluthiacet Cadet 14 mesotrione Callisto 27 halosulfuron Permit, Sandea topramezone Armezon 27 LEXAR EZ s-metolachlor Dual II Magnum 15 ARMEZON PRO iodosulfuron Autumn dimethenamid-P Outlook 15 atrazine AAtrex 5 mesosulfuron Osprey sulfentrazone Spartan 4F 14 mesotrione Callisto 27 ALS INHIBITORS AUTHORITY ASSIST metsulfuron Ally imazethapyr Pursuit 2 LUMAX EZ s-metolachlor Dual II Magnum 15 2 (acetolactate synthase) 49 nicosulfuron Accent Q, Zest sulfentrazone Spartan 4F 14 atrazine AAtrex 5 AUTHORITY EDGE* orthosulfamuron Strada pyroxasulfone Zidua 15 fluthiacet Cadet 14 Sulfonylurea MARVEL primisulfuron Beacon sulfentrazone Spartan 4F 14 fomesafen Flexstar 14 AUTHORITY ELITE prosulfuron Peak s-metolachlor Dual Magnum 15 clomazone Command 3ME 13 OBEY rimsulfuron Matrix, Resolve sulfentrazone Spartan 4F 14 quinclorac Facet 4 AUTHORITY FIRST sulfosulfuron Maverick cloransulam FirstRate 2 pyroxsulam PowerFlex HL 2 OPENSKY thifensulfuron Harmony sulfentrazone Spartan 4F 14 fluroxypyr Starane Ultra 4 AUTHORITY MTZ triasulfuron Amber metribuzin Metribuzin 5 saflufenacil Sharpen 14 OPTILL tribenuron Express sulfentrazone Spartan 4F 14 imazethapyr Pursuit 2 AUTHORITY SUPREME trifloxysulfuron Envoke pyroxasulfone Zidua 15 saflufenacil Sharpen 14 triflusulfuron UpBeet AUTHORITY XL sulfentrazone Spartan 4F 14 OPTILL PRO imazethapyr Pursuit 2 cloransulam FirstRate (Authority Maxx) chlorimuron Classic 2 dimethenamid-P Outlook 15 florasulam component of Orion iodosulfuron Autumn 2 florasulam ––––– 2 AUTUMN SUPER ORION Triazolopyrimidine flumetsulam Python, Accolade thiencarbazone Varro 2 MCPA MCPA 4 penoxsulam Grasp pinoxaden Axial XL 1 thifensulfuron Harmony 2 AXIAL BOLD PANOFLEX pyroxsulam PowerFlex HL fenoxaprop Ricestar 1 tribenuron Express 2 pinoxaden Axial XL 1 thifensulfuron Harmony 2 AXIAL STAR PERMIT PLUS EPSP SYNTHASE INHIBITOR 9 17 Organophosphorus glyphosate Roundup, several others fluroxypyr Starane 4 halosulfuron Permit 2 (5-enolpyruvyl-shikimate-3-phosphate) rimsulfuron Resolve 2 flumiclorac Resource 14 BASIS BLEND PERPETUO* thifensulfuron Harmony 2 pyroxasulfone Zidua 15 desmedipham Betenex 5 s-metolachlor Dual Magnum 15 GROWTH REGULATORS BETAMIX PREFIX phenmedipham ––––– 5 fomesafen Reflex 14 Arylpicolinate halauxifen Elevore BICEP II MAGNUM s-metolachlor Dual II Magnum 15 rimsulfuron Resolve 2 Banvel, Clarity, DiFlexx, Engenia, PREQUEL Benzoic acid dicamba (Bicep Lite II Magnum) atrazine AAtrex 5 isoxaflutole Balance 27 FeXapan, XtendiMax, others s-metolachlor Dual Magnum 15 desmedipham Betenex 5 aminopyralid Milestone BOUNDARY metribuzin Metribuzin 5 PROGRESS phenmedipham ––––– 5 SYNTHETIC AUXINS clopyralid Stinger 8 fomesafen Flexstar 14 ethofumesate Nortron 16 4 (TIR1, AFB5 and unknown auxin receptors) Carboxylic acid fluroxypyr Starane Ultra BRAKE F16 fluridone Sonar 12 dicamba Clarity 4 quinclorac Facet PULSAR fluometuron Cotoran 7 fluroxypyr Starane 4 triclopyr Garlon, Remedy Ultra BRAKE FX fluridone Sonar 12 halauxifen Elevore 4 2,4-D 2,4-D, Enlist One, others QUELEX Phenoxy acetochlor Breakfree NXT 15 florasulam ––––– 2 MCPA MCPA, others BREAKFREE NXT ATZ (Breakfree NXT Lite) atrazine AAtrex 5 triasulfuron Amber 2 RAVE 19 AUXIN TRANSPORT INHIBITOR 0 Semicarbazone diflufenzopyr component of Status s-metolachlor Dual Magnum 15 dicamba Clarity 4 BROADAXE XC sulfentrazone Spartan 4F 14 flucarbazone Everest 2 RAZE bromoxynil Maestro 6 fluroxypyr Starane 4 PHOTOSYNTHESIS INHIBITORS BRONATE MCPA MCPA 4 rimsulfuron Resolve 2 desmedipham Betenex REALM Q Phenylcarbamate mesotrione Callisto 27 mesotrione Callisto 27 phenmedipham component of Betamix CALLISTO GT glyphosate glyphosate 9 cyhalofop Clincher 1 atrazine AAtrex, others REBELEX mesotrione Callisto 27 penoxsulam Grasp 2 prometon Pramitol CALLISTO XTRA PHOTOSYSTEM II INHIBITORS Triazine atrazine AAtrex 5 clopyralid Stinger 4 5 26 prometryn Caparol (different binding than 6 & 7) chlorimuron Classic 2 RESICORE acetochlor Surpass NXT 15 simazine Princep CANOPY metribuzin Metribuzin 5 mesotrione Callisto 27 hexazinone Velpar Triazinone chlorimuron Classic 2 rimsulfuron Resolve 2 metribuzin Metribuzin, others CANOPY EX RESOLVE Q tribenuron Express 2 thifensulfuron Harmony 2 Uracil terbacil Sinbar thiencarbazone Varro 2 nicosulfuron Accent Q 2 Benzothiadiazole bentazon Basagran, others CAPRENO REVULIN Q PHOTOSYSTEM II INHIBITORS tembotrione Laudis 27 mesotrione Callisto 27 6 1 Nitrile bromoxynil Maestro, Moxy, others (different binding than 5 & 7) MCPA MCPA 4 propoxycarbazone Olympus 2 Pyridazine pyridate Tough RIMFIRE MAX CARNIVORE clopyralid Stinger 4 mesosulfuron Osprey 2 Amide propanil SuperWham bromoxynil Maestro 6 dicamba XtendiMax 4 diuron Direx, Karmex ROUNDUP XTEND* PHOTOSYSTEM II INHIBITORS glufosinate Liberty 10 glyphosate glyphosate 9 7 9 fluometuron Cotoran CHEETAH MAX (different binding than 5 & 6) Urea fomesafen Reflex 14 thifensulfuron Harmony 2 linuron Lorox, Linex SENTRALLAS s-metolachlor Dual II Magnum 15 fluroxypyr Starane 4 tebuthiuron Spike CINCH ATZ (Cinch ATZ Lite) atrazine AAtrex 5 s-metolachlor Dual Magnum 15 SEQUENCE quinclorac Facet 4 glyphosate glyphosate 9 NITROGEN METABOLISM INHIBITOR CLEARPATH imazethapyr Newpath 2 mesotrione Callisto 27 SOLSTICE 10 GLUTAMINE SYNTHETASE INHIBITOR 1 Organophosphorus glufosinate Liberty, Rely, Scout, others COLT + SALVO 2,4-D 2,4-D 4 fluthiacet Cadet 14 (Trump Card) fluroxypyr Starane 4 sulfentrazone Spartan 4F 14 SONIC MCPA MCPA 4 cloransulam FirstRate 2 PIGMENT INHIBITORS COLT + SWORD fluroxypyr Starane 4 sulfentrazone Spartan 4F 14 none recognized fluridone Sonar SPARTAN CHARGE 12 PHYTOENE DESATURASE (PDS) INHIBITOR 1 thiencarbazone Varro 2 carfentrazone Aim 14 Pyridazinone norflurazon Solicam CORVUS isoxaflutole Balance Flexx 27 clopyralid Stinger 4 DOXP SYNTHASE INHIBITOR STANZA 13 1 Isoxazolidinone clomazone Command 3ME s-metolachlor Dual II Magnum 15 flumetsulam Python 2 (1DEOXYDXYULOSE 5PHOSPHATE) COYOTE mesotrione Callisto 27 florasulam ––––– 2 Isoxazole isoxaflutole Alite 27,* Balance Flexx STARANE FLEX rimsulfuron Resolve 2 fluroxypyr Starane 4 Pyrazole pyrasulfotole component of Huskie CRUSHER thifensulfuron Harmony 2 fluroxypyr Starane 4 topramezone Armezon, Impact STARANE NXT Pyrazolone clopyralid Stinger 4 bromoxynil Maestro 6 27 HPPD INHIBITORS 2 tolpyralate Shieldex CURTAIL 2,4-D 2,4-D 4 diflufenzopyr ––––– 19 mesotrione Callisto STATUS clopyralid Stinger 4 dicamba Clarity 4 Triketone tembotrione Laudis CURTAIL M MCPA MCPA 4 nicosulfuron Accent Q 2 bicyclopyrone component of Acuron STEADFAST Q acetochlor Degree 15 rimsulfuron Resolve 2 DEGREE XTRA atrazine AAtrex
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