Herbicide Families for
Corn and Soybeans
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Below are many of the herbicides separated into where they injure the plant and into their modes of action. Herbicides that have links to injury pictures are highlighted with underlines. For information as to how these herbicide work see the Herbicide Mode of Action Web Site
I. Herbicides that injure new growth and have the potential to move from leaves to roots
A. Auxin Growth Regulators
Trade name Common name Trade name Common name Trade name Common name
Phenoxy acids Benzoic Acids Pyridine Carboxylic acids
Butyrac 200 2,4-DB Banvel dicamba Garlon triclopyr
Butoxone 7500 2,4-DB Clarity dicamba Stinger clopyralid
Rhonox MCPA Oracle dicamba Tordon picloram
Rhomene MCPA Sterling dicamba Vista fluroxypyr
Various 2,4-D     Satarane fluroxypyr
Various 2,4-DP        
Premixes containing one of the above: Accent Gold, Celebrity Plus, Cimarron Max, Colt, Crossbow, Curtail, Distinct, Hornet WDG, Marksman, NorthStar, Op-Till, Resolve, Sterling Plus, Shotgun, Stratos, Tiller, Weedmaster, Yukon.
           
B. Amino Acid Synthesis Inhibitors
Trade name Common name Trade name Common name Trade name Common name
Branch Chain Amino Acid Inhibitors : Imidazolinones (ALS)    
Arsenal imazapyr Raptor imazamox    
Contain imazapyr Plateau imazapic    
Pursuit imazethapyr Scepter imazaquin    
Premixes containing one of the above: Beyond, Extreme, Contour, Detail, Lightning, Passport, Pursuit Plus, Resolve, Squadron, Steel, Tri-Scept.
           
Branch Chain Amino Acid Inhibitors : Sulfonylureas (ALS)    
Accent nicosulfuron Classic chlorimuron Peak prosulfuron
Ally metsulfuron Express tribenuron Permit halosulfuron
Autumn iodosulfuron Glean chlorsulfuron Pinnacle thifensulfuron
Cimmeron metsulfuron Telar chlorsulfuron Titus rimsulfuron
Escort metsulfuron Option foramusulfuron Matrix rimsulfuron
Beacon primisulfuron Oust sulfometuron Resolve rimsulfuron
Premixes Containing one of the above: Accent Gold, Basis, Basis Gold, Canopy DF, Canopy EX, Celebrity, Celebrity Plus, Equip, Expert, Harmony Extra, Harmony GT, NorthStar, Spirit, Steadfast, Synchrony STS.
           
Branch Chain Amino Acid Inhibitors : Sulfonanilides (ALS)
Python flumetsulam        
FirstRate cloransulam        
Amplify cloransulam        
Premixes containing one of the above: Accent Gold, Authority First, Bicep Magnum, Gangster, FrontRow, Gauntlet, Hornet WDG, Sonic.
           
Aromatic Amino Acid Inhibitors (EPSPS)  
Roundup glyphosate Glyphomax Plus glyphosate Clearout 41 glyphosate
WeatherMax   Touchdown glyphosate    
Credit, Debit glyphosate Rattler glyphosate    
Mirage glyphosate Rodeo glyphosate    
Premixes contianing one of the above: Backdraft SL, Bronco, Expert, Extreme, Field Master, Ready Master ATZ.
           
C. Lipid Synthesis (ACCase) inhibitors (Grass growing point disinegrators)
Trade name Common name   Trade name Common name  
Aryloxyphenoxyproprionates    Cyclohexanediones  
Assure II quizalafop   Poast Plus sethoxydim  
Fusilade DX fluazifop   Prestige sethoxydim  
Hoelon fenoxaprop   Manifest G sethoxydim  
Option II fenoxaprop   Arrow clethodim  
      Select Max clethodim  
      Intensity clethodim  
      Prism clethodim  
Premixes containing one of the above: Conclude Ultra, Conclude Xtra G, Fusion, Headline, Reszult G, Tiller, Tornado.
           
D. Pigment Inhibitors
Trade name Common name        
Command clomozone Impact topramezone    
Balance Pro isoxaflutole        
Callisto mesotrione        
Premixes containing one of the above: Camix, Command Xtra, Epic, Lexar, Lumax, Radius.
           
II. Herbicides that injure old growth first and have potential to move only upward.
Classical Photosynthesis Inhibitors
Trade name Common name Trade name Common name Trade name Common name
Triazines   Substituted ureas  Fast Acting (Contact)
Aatrex atrazine Karmex diuron Basagran bentazon
Princep simazine Lorox linuron Buctril bromoxynil
Bladex cyanazine Linex linuron Moxy bromoxynil
Cy-Pro cyanazine Spike tebuthiuron Broclean bromoxynil
Sencor metribuzin     Tough pyridate
Lexone metribuzin Uracils   (Low doses of the above
Metri DF metribuzin Hyvar Bromacil mimic classical photo
Velpar hexaxinone Sinbar terbacil inhibitors, high doses mimic
Pramitol prometon     cell membrane disrupters.)
         
Premixes containing one of the above: Axiom, Axiom AT, Basis, Basis Gold, Bicep II, Bicep II Magnum, Brozine, Burctril + Atrazine, Bullet, Conclude Ultra, Conclude Xtra B, Contour, Degree Extra, Domain, Expert, Field Master, FulTime, Galaxy, Gaurdsman Max, Harness Xtra, Headline, Laddok, Lariat, Leadoff, Liberty ATZ, Manifest B, Marksman, Moxy + Atrazine, Ready Master ATZ, Rezult B, ShotGun, Storm Surpass 100, Turbo.
           
III. Herbicides causing immediate localized injury with little or no movement.
Cell Membrane Disruptors (Contacts)
Trade name Common name Trade name Common name Trade name Common name
Bipyridiliums Diphenylethers  Others
Gramoxone Max paraquat Ultra Blazer aciflurofen Authority sulfentrazone
Diquat diquat Status aciflurofen Resource flumiclorac
Reward diquat FlexStar fomesafen Action fluthiacet
    Reflex fomesafen Aim carfentrazone
        Shark EW carfentrazone
    Cobra lactofen Liberty glufosinate
        Valor flumioxazin
Premixes containting one of the above: Conclude Ultra, Conclude Xtra B, Galaxy, Gauntlet, Liberty ATZ, Manifest B, Sonic, Steller, Storm, Tornado.      
           
IV. Herbicides applied to the soil and have the potential to injure emerging seedlings
Seedling (or Cell) Growth Inhibitors
Trade name Common name Trade name Common name Trade name Common name
Root inhibitors - Dinitroanalines Shoot inhibitors - Chloroacetamides Shoot inhibitors - Carbamothioates
Balan benefin Define flufenacet Ramrod propachlor
Prowl pendimethalin Dual II Magnum S-metolachlor Eradicane EPTC
Pentagon pendimethalin Charger Max metolachlor Sutan butylate
Pendimax pendimethalin Outlook dimethenamid    
Sonalan ethalfluralin Degree acetochlor    
Treflan trifluralin Harness acetochlor    
Tri-4 trifluralin Surpass acetochlor    
Trific trifluralin TopNotch acetochlor    
    Lasso alachlor    
    Micro-Tech alachlor    
Premixes containing one of the above: Axiom, Bicep II, Bicep II Magnum, Bronco, Bullet, Charger Max ATZ, Degree Extra, Detail, Domain, Doubleplay, Expert, Field Master, FulTime, Guardsman, Harness Xtra, Lariat, LeadOff, Me-to-lachlor, Optill, Passport, Pursuit Plus, Squadron, Steel, Surpass 100, Tri-scept, Turbo.      
Last updated May 12, 2003 WS-FS-1
If you have any questions of comments about this page please direct them to Glenn Nice or Bill Johnson