Corn and Soybean Herbicide Chart Repeated use of herbicides with the same site of action can result in the development of herbicide-resistant weed populations.
By Premix This chart lists premix herbicides alphabetically by their trade names so you can identify the premix’s component herbicides and their respective site of action groups. Refer to the Mode of Action chart for more information. Premix Trade Name ®
Component Trade Active Name ® Ingredient
Authority First................ Spartan sulfentrazone FirstRate cloransulam Axiom ........................... Define flufenacet This publication was designed for commercial printing, color shifts may occur on other printers and on-screeen. Sencor metribuzin Basis ............................. Resolve rimsulfuron Harmony GT thifensulfuron (effect on plant growth) Bicep II Magnum .......... Dual II Magnum s-metolachlor AAtrex atrazine Bicep Lite II Magnum..... Dual II Magnum s-metolachlor AAtrex atrazine Boundary....................... Dual Magnum s-metolachlor Sencor metribuzin Breakfree ATZ................ Breakfree acetochlor atrazine atrazine Breakfree ATZ Lite......... Breakfree acetochlor atrazine atrazine Number of Buctril + Atrazine .......... Buctril bromoxynil resistant weed atrazine atrazine species in U.S. Bullet ............................ Micro-Tech alachlor Site of atrazine atrazine Chemical Active Action Product Examples Camix............................ Callisto mesotrione Group* Site of Action Family Ingredient (Trade Name ®) Dual II Magnum s-metolachlor Canopy DF.................... Classic chlorimuron Lipid 1 ACCase Inhibitors 15 Aryloxyphenoxy fenoxaprop component of Fusion Sencor metribuzin Synthesis (acetyl CoA carboxylase) propionate fluazifop Fusilade DX Canopy EX.................... Classic chlorimuron Inhibitors quizalofop Assure II, Targa Express tribenuron Cyclohexanedione clethodim Select, Arrow Celebrity Plus ............... diflufenzopyr diflufenzopyr sethoxydim Poast, Poast Plus Clarity dicamba Amino Accent nicosulfuron 2 ALS Inhibitors 38 Sulfonylurea chlorimuron Classic Acid Cinch ATZ...................... Dual II Magnum s-metolachlor (acetolactate synthase) foramsulfuron Option AAtrex atrazine Synthesis halosulfuron Permit Cinch ATZ Lite............... Dual II Magnum s-metolachlor iodosulfuron Autumn Inhibitors AAtrex atrazine nicosulfuron Accent
By Mode of Action
This chart groups herbicides by their modes of action to assist you in selecting herbicides 1) to maintain greater diversity in herbicide use and 2) to rotate among herbicides with different sites of action to delay the development of herbicide resistance.
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Site of Action Group* 14 2 15 5 2 2 15 5 15 5 15 5 15 5 15 5 6 5 15 5 28 15 2 5 2 2 19 4 2 15 5 15 5
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continued from previous page (2 of 3) Amino Acid
Synthesis Inhibitors
primisulfuron prosulfuron rimsulfuron thifensulfuron tribenuron
Imidazolinone imazamox imazaquin imazethapyr Triazoloyrimidine flumetsulam cloransulam 9 EPSP Synthase 7 None accepted glyphosate Inhibitor (5-enolpyruvyl-shikimate-3-phosphate)
Beacon component of Spirit Resolve Harmony GT Express Raptor Scepter Pursuit Python FirstRate Roundup, Touchdown, others
4 Specific site 7 Phenoxy 2,4-D unknown Benzoic acid dicamba Growth Regulators Carboxylic acid clopyralid ( Synthetic auxins) fluroxypyr 19 Auxin Transport 0 Semicarbazone diflufenzopyr
Weedone, others
5 Photosystem II 22 Triazine atrazine Inhibitors simazine (different binding than 6 & 7) Triazinone metribuzin Photo 6 Photosystem II 1 Nitrile bromoxynil synthesis Inhibitors Inhibitors (different binding than 5 & 7) Benzothiadiazole bentazon 7 Photosystem II 7 Ureas linuron Inhibitors (different binding than 5 & 6)
AAtrex, others Princep Sencor
Nitrogen
Banvel, Clarity Stinger Starane component of Distinct
Buctril, others Basagran Lorox, Linex
10 Metabolism
Glutamine Synthesis 0 Inhibitor
None accepted
glufosinate
Liberty
13 Pigment
Diterpene Synthesis 0 Inhibitor
Isoxazolidinone
clomazone
Command
Inhibitors continued on next page (2 of 3)
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Degree Xtra................... Degree atrazine Distinct . ........................ diflufenzopyr Clarity Domain ......................... Define Sencor Equip............................. Option Autumn Expert............................ Dual II Magnum AAtrex glyphosate Exteme ......................... Pursuit glyphosate Field Master . ................ Harness atrazine glyphosate FulTime ........................ TopNotch atrazine Fusion............................ Fusilade DX Puma Gangster........................ Valor FirstRate G-Max Lite..................... Outlook atrazine Guardsman Max . ......... Outlook atrazine Harness Xtra.................. Harness atrazine Hornet . ......................... Stinger Python Keystone........................ Surpass atrazine Keystone LA.................. Surpass atrazine Laddok........................... Basagran atrazine Lexar.............................. Callisto Dual II Magnum AAtrex Lightning........................ Pursuit Arsenal Lumax............................ Callisto Dual II Magnum Aatrex Marksman...................... Banvel atrazine
acetochlor atrazine diflufenzopyr dicamba flufenacet metribuzin foramsulfuron iodosulfuron s-metolachlor atrazine glyphosate imazethapyr glyphosate acetochlor atrazine glyphosate acetochlor atrazine fluazifop fenoxaprop flumioxazin cloransulam dimethenamid-P atrazine dimethenamid-P atrazine acetochlor atrazine clopyralid flumetsulam acetochlor atrazine acetochlor atrazine bentazon atrazine mesotrione s-metolachlor atrazine imazethapyr imazapyr mesotrione s-metolachlor atrazine dicamba atrazine
15 5 19 4 15 5 2 2 15 5 9 2 9 15 5 9 15 5 1 1 14 2 15 5 15 5 15 5 4 2 15 5 15 5 6 5 28 15 5 2 2 28 15 5 4 5 continued on next page
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28 HPPD Inhibitors 0 Isoxazole isoxaflutole Pigment Triketone mesotrione Inhibitors tembotrione topramezone 14 PPO Inhibitors 2 Diphenylether
Cell
acifluorfen fomesafen lactofen
N-phenylphthalimide flumiclorac Membrane flumioxazin Disrupters Aryl triazinone sulfentrazone carfentrazone 22 Photosystem I 4 Bipyridilium paraquat Electron Diverter
Seedling Root Growth 3 Inhibitors
Microtubule 6 Dinitroaniline Inhibitors
ethalfluralin pendimethalin trifluralin
8 Lipid Synthesis 5 Thiocarbamate butylate Inhibitors EPTC Seedling (not ACCase) Shoot Growth 15 Long-chain Fatty 1 Chloroacetamide acetochlor Acid Inhibitor Inhibitors alachlor metolachlor * Site of Action Group is a dimethenamid classification system developed by the Weed Science Society of America Oxyacetamide flufenacet
Glyphosate, Weeds, and Crop Series
GWC-3
Distributed by weed scientists from 16 North Central Universities, who are working on weed management in glyphosate-resistant cropping systems. For information about obtaining copies of this publication and other resources, see www.glyphosateweedscrops.org Financial support for printing provided by BASF, Bayer CropScience, Dow AgroSciences, DuPont, Monsanto, Syngenta, and Valent USA. I-5-2007-31K
NorthStar....................... Beacon Clarity Balance Pro Parallel Plus................... Parallel atrazine Callisto Priority........................... Aim Laudis Permit Impact Prefix............................. Dual Magnum Reflex Pursuit Plus................... Pursuit Ultra Blazer Prowl Flexstar, Reflex Radius........................... Define Cobra, Phoenix Balance Pro Sequence...................... Dual Magnum Resource glyphosate Valor SX Shotgun......................... atrazine Salvo Spartan Sonic.............................. Spartan Aim FirstRate Spirit.............................. Peak Gramoxone Inteon Beacon Stalwart Xtra.................. Stalwart C atrazine Status............................ diflufenzopyr Sonalan Clarity Prowl, others Steadfast....................... Accent Treflan, others Resolve Steadfast ATZ................ Accent Resolve Sutan + atrazine Eradicane Stout.............................. Accent Harmony GT SureStart....................... Surpass Harness, TopNotch, Stinger Degree, others Python Intrro, Micro-Tech Synchrony .................... Classic Dual II Magnum, others Harmony GT Outlook, Propel Valor XLT....................... Valor Classic Define Volley ATZ...................... Volley atrazine Volley ATZ Lite. . ............. Volley University of Wisconsin-Extension, College of Agricultural and Life Sciences. atrazine An equal opportunity action employer, Yukon............................ Banvel University of Wisconsin-Extension Permit provides equal opportunities in employment and programming, including Title IX requirements.
NPM
primisulfuron dicamba metolachlor atrazine carfentrazone halosulfuron s-metolachlor fomesafen imazethapyr pendimethalin flufenacet isoxaflutole s-metolachlor glyphosate atrazine 2,4-D sulfentrazone cloransulam prosulfuron primisulfuron metolachlor atrazine diflufenzopyr dicamba nicosulfuron rimsulfuron nicosulfuron rimsulfuron atrazine nicosulfuron thifensulfuron acetochlor clopyralid flumetsulam chlorimuron thifensulfuron flumioxazin chlorimuron acetochlor atrazine acetochlor atrazine dicamba halosulfuron
2 4 15 5 14 2 15 14 2 3 15 28 15 9 5 4 14 2 2 2 15 5 19 4 2 2 2 2 5 2 2 15 4 2 2 2 14 2 15 5 15 5 4 2
The layout for this publication was provided by the University of Wisconsin’s Nutrient and Pest Management (NPM) Program. ipcm.wisc.edu
