South Carolina Pest Management Handbook for Field Crops - 2017 · 2020-04-24 · South Carolina Pest Management Handbook for Field Crops - 2017 25 Preplant/Burndown Herbicides for

South Carolina Pest Management Handbook for Field Crops - 2017

22

WEEDCONTROLINFIELDCORNMikeMarshall,ExtensionWeedSpecialist

Preplant/BurndownHerbicidesforWeedManagementinFieldCorn

HerbicideRate/AcreBroadcast

ModeofActionPreharvestInterval

RestrictedEntryIntervalFormulation ActiveIngredient

BalanceFlexx2SC(isoxaflutole)

6.0floz 0.094lb

27

45days 12hours

Comments:BALANCEFLEXXisaRESTRICTEDUSEPESTICIDE.ApplyBALANCEFLEXXupto30daysbeforeplantingcorn.AddMSOat0.5galper100galorCOCat1.0galper100galofspraysolutionforweeds3inchesorlessinheight.BALANCEFLEXXmaybetankmixedwithPARAQUAT,GLYPHOSATE,or2,4‐Difweedsaregreaterthan3inchesinheight.Ifthewatertable(levelofsaturation)islessthan25feetbelowthegroundsurface,donotuseBALANCEFLEXXonsoilswherethesubsoilisloamysandorsand(i.e.,noclaysubsoil).Donotapplymorethan6.0flozBALANCEFLEXper365dayperiod.Rainfastinterval=N/A(suggest1hour).

Clarity/Banvel4S(dicamba)

8.0‐16oz 0.25‐0.5lb

4

‐‐‐ 24hours

Comments:Applyanytimepriortoplantingcorn.Use16oz/Arateonmediumtofinetexturesoilswith>2.5%organicmatter.Use8oz/Arateoncoarsetexturedsoilswithlessthan2.5%organicmatter.

Corvus2.63SC(thiencarbazone+isoxaflutole)

3.33floz 0.012lb

+0.031lb

227

45days 12hours

Comments:CORVUSisaRESTRICTEDUSEPESTICIDE.ApplyCORVUSupto30daysbeforeplantingcorn.AddMSOat0.5galper100galorCOCat1.0galper100galofspraysolutionforweeds6inchesorlessinheight.CORVUSmaybetankmixedwithPARAQUAT,GLYPHOSATE,or2,4‐Difweedsaregreaterthan6inchesinheight.Douseseedorsoil‐applied CHLORPYRIFOS, TERBUFOS, PHORATE, FONOPHOS, and other organophosphate or carbamateinsecticidesinthesameseasonasCORVUS.Ifthewatertable(levelofsaturation)islessthan25feetbelowthegroundsurface,donotuseCORVUSonsoilswherethesubsoilisloamysandorsand(i.e.,noclaysubsoil).Donotapplymorethan5.6floz/AofCORVUSper365dayperiod.Rainfastinterval=N/A(suggest1hour).

Direx4L(diuron)

0.5‐0.8qt 0.5‐0.8lb

7

‐‐‐ 12hours

Comments:Applyanytimefromfallthroughspringpriortoplantingcorn.Heavytexturedsoilswillrequirehigherapplicationrate.DIREX4Lmaybetankmixedwithotherburndownherbicides,consulttankmixpartnerlabelformoredetails.Plantcornatleast1.5”deepandmakesureseedslotisclosed.Donotapplymorethan1.6qt/AofDIREX4Lperyear.

ET0.208EC(pyraflufenethyl)

0.5‐2.0oz 0.0008‐0.003lb

14

‐‐‐ 12hours

Comments:FieldcornmaybeplantedanytimeafterETapplication.Forbestresult,applyETtobroadleafweedslessthan4inchestallorrosetteslessthan3inchesindiameter.Groundapplicationrequiresminimumof10gallons/A.


23

Preplant/BurndownHerbicidesforWeedManagementinFieldCorn(cont.)




Fierce76WDG(flumioxazin+pyroxasulfone)

3.0‐4.5oz 0.063‐0.094lb

+0.080‐0.120lb

1415

‐‐‐ 12hours

Comments:ApplyFIERCE7to30dayspriortoplantingfieldcorn.Donotapplymorethan4.5oz/AofFIERCEduringasinglegrowingseason.AddaCOCormethylatedseedoilat1to2pt/Aornon‐ionicsurfactantat0.25%v/v.Useonlyonno‐tillorminimumtillagefieldswherelastyear’scropresiduehasnotbeenincorporatedintothesoil.Donotuseonpopcorn,sweetcorn,orcorngrownforseed.TankmixpartnersincludeGLYPHOSATE,2,4‐DLVE,ATRAZINE,BASIS, EXPRESS, HORNET, PYTHON, RESOLVE, SIMAZINE, DICAMBA, PARAQUAT, or WEEDMASTER. Sprayequipment,includingmixingvesselsandnursetanks,mustbecleanedeachdayfollowingaFIERCEapplication.

KeystoneNXT5.6SC(acetochlor+atrazine)

1.4‐3.0qt 1.09‐2.33lb

+0.88‐1.88lb

155

60days 12hours

Comments:KEYSTONENXTisaRESTRICTEDUSEPESTICIDE.ApplyKEYSTONENXTupto45dayspriortoplantingfield corn;However, planting shouldbedoneas close aspossible to the timeof applicationofKEYSTONENXT toprovideeffectiveweedcontrolduringcriticalearlyseasoncorndevelopment.Forcontrolofemergedweedsatthetimeofapplication,tankmixKEYSTONENXTwithGLYPHOSATE,LIBERTY,BANVEL,CLARITY,2,4‐D,orGRAMOXONE.DonotapplyKEYSTONENXT(acetochlor)tothefollowingsoilswithin50ftofanywellwheredepthtogroundwateris30feetorless:sandswithlessthan3%organicmatter;loamysandswithlessthan2%organicmatter;orsandyloamswithlessthan1%organicmatter.Donotapplymorethan3.8qtperofKEYSTONENXTperseason.

Liberty280SL(glufosinate)Interline2.34SL

29‐36oz 0.53‐0.66lb

10

70days 12hours

Comments:Thoroughspraycoverageisessentialforoptimumperformance.Groundapplicationrequiresaminimumof15gallonsofwater/acre.Denseweedcanopiesrequire20to40gallonsperacre.Seelabelforfurtherapplicationinstructionsandtank‐mixpartners.

Glyphosateacidequivalent(ae)3lbae/gal4.17lbae/gal4.5lbae/gal

32‐47oz23‐45oz22‐32oz

0.75‐1.13lbae

9 ‐‐‐ 4hours

Comments:Apply in 10‐20 gal ofwater 2 to 4weeks prior to your anticipated planting date to control existinggroundcover.Inmostfields,afollow‐upapplicationofPARAQUATwillbeneededatplanting.Consultproductlabeltodetermineifasurfactantisneeded.

2,4‐DLVE(various)

1.0‐2.0pt 0.5‐1.0lb

4

‐‐‐ 48hours

Comments:Apply7to14dayspriortoplantingfieldcorn.Donotuseonalight,sandysoil,orwheresoilmoistureislimitingweedgrowth.Veryeffectiveforcutleafeveningprimrosecontrol.Canbetank‐mixedwithotherburndownherbicides(seelabel).


24





GramoxoneSL2E(paraquat)Firestorm3SParazone3S

2.0‐4.0pt

1.3‐2.7pt

0.5‐1.0lb

22

‐‐‐ 12hours

Comments:GRAMOXONEisaRESTRICTEDUSEPESTICIDE.Applyatplantingasafollow‐uptoanearlierapplicationofGLYPHOSATE.Providesbettercontrolofchickweed,henbit,purpledeadnettle,andcutleafeveningprimrosethanGLYPHOSATE.AddNISat1qtper100galofspraysolution.Rainfastinterval=30minutes.

Hornet68.5WDG(flumetsulam+clopyralid)Stanza68.5WDG

4.0‐5.0oz 0.046‐0.057lb

+0.125‐0.156lb

24

85days 48hours14

Comments:ApplyHORNETupto30daysbeforeplantingcorn.Ifweedsarepresentattimeofapplication,tankmixHORNETwithPARAQUAT,GLYPHOSATE,or2,4‐D.AddCOCorNISat1.0‐2.0qtper100galofspraysolution.Rainfastinterval=2hours.

Leadoff33.4DF(rimsulfuron+thifensufluron)

1.5‐2.7oz 0.0157‐0.0282lb

0.0157‐0.0282lb

22

‐‐‐ 4hours

Comments:ApplyLEADOFFanytimeafterharvestuntilrightbeforeplantingcorn.LEADOFFtankmixpartnersmayincludeGLYPHOSATE,PARAQUAT,2,4‐DLVE,DICAMBA,orGLUFOSINATE.NoadditionalsurfactantisneedediftankmixedwithGLYPHOSATEorLIBERTYwithabuilt‐inadjuvantsystem.Otherwise,addNISat1qtper100galorCOCat1galper100galorMSOat0.5galper100galofspraysolutionplusanammoniumnitrogenfertilizer(AMSat2lb/AorUANat2qt/A).Donotapplypostemergencetocorn.

Resicore3.29SC(acetochlor+mesotrione+clopyralid)

2.25‐2.5qt

1.58‐1.75lb

+0.17‐0.19lb

+0.11‐0.12lb

15274

‐‐‐ 12hours

Comments:ApplyRESICOREupto28daysbeforeplantingcorn.RESICOREshouldbetankmixedwithGLYPHOSATE,PARAQUAT,GLUFOSINATE,and/or2,4‐Dforcontrolofexistingemergedweedsatthetimeofapplication.Donotapplymorethan3.25qtofRESICOREperacreperyear.DonotmakemorethantwoapplicationsofRESICOREperyear.DonotapplyRESICORE(acetochlor)tothefollowingsoilswithin50ftofanywellwheredepthtogroundwateris30feetorless:sandswithlessthan3%organicmatter;loamysandswithlessthan2%organicmatter;orsandyloamswithlessthan1%organicmatter.


25





Sharpen2.85SC(saflufenacil)

2.0‐3.0floz 0.045‐0.067lb

14

80days 12hours

Comments:ApplySHARPEN14to30daysbeforeplantingcorn.ForoptimumSHARPENburndownactivity,addMSOat1galper100galofspraysolutionplusammoniumnitrogenfertilizer(UANat1.25‐2.5galsper100galorAMSat8.5‐17 lbs/100 gals). SHARPENmaybe tankmixedwithGLYPHOSATE, CLARITY,ATRAZINE, STATUS,HARNESS,HARNESSXTRA,VERDICT,PROWLH2O,OUTLOOK,GUARDSMANMAX,andGUARDSMANMAXLITE.DonotapplySHARPENaftercornemergenceorseverecropinjurywilloccur.Donotapplymorethan6.0floz(0.134lbai/A)ofSHARPENpercroppingseason.DonotapplySHARPENwhereanat‐plantingapplicationofanorganophoshateorcarbamateinsecticideisplannedorhasoccurredorseverecropinjurymayoccur.However,SHARPENmaybeappliedwhenAZTECorFORTRESSinsecticidesifappliedatplantingasaBAND,T‐BAND,orIN‐FURROW.SHARPENmaybeappliedwithallotherclassesofat‐plantinginsecticidesincludingpyrethroids,neonictinoids,andfipronil.Rainfastinterval=1hour.

SureStartII4.25(acetochlor+flumetsulam+clopyralid)

1.5‐3.0pt 0.703‐1.406lb

+0.023‐0.046lb

+0.071‐0.142lb

1524

85days 12hours

Comments:ApplySURESTARTIIupto14daysbeforeplantingcorn.Forenhancedcontrolofemergedweedsatthetimeofburndownapplication,SURESTARTIImaybetankmixedwithGLYPHOSATE,2,4‐D,LIBERTY,orGRAMOXONE.DonotapplySURESTARTII(acetochlor)tothefollowingsoilswithin50ftofanywellwheredepthtogroundwateris30feetorless:sandswithlessthan3%organicmatter;loamysandswithlessthan2%organicmatter;orsandyloamswithlessthan1%organicmatter.Donotapplymorethan3pt/AofSURESTARTIIinasingleapplication.

ValorSX51WDG(flumioxazin)

2.0‐3.0oz 0.064‐0.096lb

14

‐‐‐ 12hours

Comments:Apply14to30dayspriortoplantingfieldcorn.Donotapplymorethan3oz/AofVALORSXduringasinglegrowingseason.Donotirrigatewhencornisemergingtothe2‐leafstage.Donotuseonpopcorn,sweetcorn,orcorngrownforseed.Canbetank‐mixedwithotherburndownherbicides(seelabel).

Verdict5.57EC(saflufencil+dimethenamid‐p)

10‐15floz 0.045‐0.067lb

+0.391‐0.586lb

1415

80days 12hours

Comments:ApplyVERDICT14to30daysbeforeplantingcorn.ForoptimumVERDICTburndownactivity,addMSOat1galper100galofspraysolutionplusammoniumnitrogenfertilizer(UANat1.25‐2.5galsper100galorAMSat8.5‐17lbs/100gals).VERDICTmaybetankmixedwithGLYPHOSATE,CLARITY,ATRAZINE,STATUS,andSHARPEN.DonotapplyVERDICTaftercornemergenceorseverecropinjurywilloccur.Donotapplymorethan0.134lbai/Asaflufenacilfromallproductsourcespercroppingseason.Donotapplymorethan25flozofVERDICTpercroppingseason.DonotapplyVERDICTwhereanat‐plantingapplicationofanorganophoshateor carbamate insecticide isplannedor hasoccurredor severe crop injurymayoccur.However, VERDICTmaybe appliedwhenAZTEC2.1%granular,AZTEC4.67Ggranular,orFORTRESS5GgranularinsecticidesisappliedatplantingasaBAND,T‐BAND,orIN‐FURROW. VERDICT may be applied with all other classes of at‐planting insecticides including pyrethroids,neonictinoids,andfipronil.


26





Zidua0.85WG(pyroxasulfone)

1.5‐3.0oz 0.080‐0.16lb

15

‐‐ 12hours

Comments: Apply ZIDUA 15 to 45 days before planting corn. ZIDUA tank mix partners include ATRAZINE,GLYPHOSATE,LIGHTNING,OUTLOOK,PROWLH2O,SHARPEN,andSTATUS.Oncoarsetexturedsoils,donotapplymorethan2.75oz/AofZIDUA(0.142lbai/Aofpyroxasulfone)percroppingseason.Onallothersoiltypes,donotapplymorethan5.0oz/AofZIDUA(0.266lbai/Aofpyroxasulfone)percroppingseason.


27

WeedandCoverCropResponse toBurndown/PreplantHerbicides inConservationTillageFieldCorn1

ET2

Glyphosate2

Glyphosate+2,4‐D

2

Glyphosate+Atrazine2

Glyphosate+Clarity

2

Glyphosate+Direx

2

Glyphosate+Leadoff2

Glyphosate+Sharpen

2

Glyphosate+ValorSX2

Gramoxone2

Gramoxone+2,4‐D

2

Gramoxone+Clarity

2

Gramoxone+ValorSX2

Gramoxone+Direx

2

Liberty

2

barley,little F E E E E E E E E G G G G G G

bluegrass,annual G F F E F E E E E G G G G G P

buttercups G E E E E E E E E E E E E E E

chickweed,common G F G E GE GE E E E E E GE E E E

clovers P PF F F FG F G E F G G GE GE GE F

cudweed G E E E E E E E E FG FG FG FG FG G

dandelion P P E GE E GE E G G N E GE P GE FG

dock,curly P PF G G GE F F F G F FG GE P F G

eveningprimrose,cutleaf GE PF E E GE GE E E FG F E GE E GE G

geranium,Carolina GE FG E E E GE E E E GE E GE E E GE

henbit/deadnettle G F G E GE E E E E G GE E E GE G

horseweed(marestail) G E GE E E E GE E GE F GE E GE GE GE

mustard,wild G FG E GE G GE G E GE FG E G GE G GE

pansy,field G F F GE F G ‐‐‐ E F G G G G GE G

peanut,volunteer F F F F G F P GE FG P F GE F F GE

pepperweed,Virginia G G E GE GE GE E E G G GE G G GE G

radish,wild G FG GE GE GE GE G E GE G GE GE GE GE GE

ryegrass,Italian F G F GE F FG E E G FG FG FG FG G P

sorrel,red F E E E E E G G E E E E E E PF

spurry,corn G GE GE GE GE GE E E G FG G G G G ‐‐‐

swinecress G FG G G G G E E FG PF FG FG PF FG GE

vetch GE F E E E G E E FG G GE GE GE G GE

wheat/ryecovercrop P E E E E G E E E FG F F G G F1KeytoResponseRatings:E=excellentcontrol,90%orbetter;G=goodcontrol,80to90%;F=faircontrol70to80%;P=poorcontrol,lessthan70%;‐‐‐=InsufficientData.2HerbicideratesforburndownareAtrazineat1.0lb/A;ETat1.0oz/A;Glyphosateat0.75lbae/A(22oz/Aof4.5lbae/galor32oz/Aof3.0lbai/gal);2,4‐Dat1‐2pt/A;Clarityat8oz/A;Direxat1.6pt/A;Leadoffat1.5oz/A;Sharpenat1.0oz/A;Gramoxoneat3.0pt/A;ValorSXat2.0oz/A;andLibertyat29oz/A.


28

WeedResponsetoSoilAppliedPreemergenceHerbicidesforCornWeedManagement1

Acuron

Anthem

Anthem

ATZ

Atrazine(ATZ)

Acetochlor

Acetochlor+ATZ

Alachlor

Alachlor+ATZ

BalanceFlexx

Corvus

Dimethenam

id‐p

Hornet

anoda,spurred G ‐‐‐ GE GE ‐‐‐ GE ‐‐‐ GE ‐‐‐ ‐‐‐ ‐‐‐ Gbarnyardgrass FG E E G E E E E E E E Pbeggarweed,Florida G ‐‐‐ E E F P ‐‐‐ E ‐‐‐ ‐‐‐ P FGbermudagrass P P P P P P P P P P P Pcitronmelon ‐‐‐ ‐‐‐ G G P G P G ‐‐‐ ‐‐‐ P ‐‐‐cocklebur,common G P GE GE P GE P GE F F P Ecrabgrass E E E G E E E E E E E Pcowpea E P E E P E P E GE GE P Gcrotalaria,showy ‐‐‐ P GE GE P GE P GE GE GE P Gcroton,tropic E P G G P G P G GE GE P Pcrowfootgrass E GE GE G E E E E E E E Pdayflower,Benghal GE GE GE F GE GE ‐‐‐ ‐‐‐ ‐‐‐ ‐‐‐ F ‐‐‐eclipta GE G GE GE ‐‐‐ GE ‐‐‐ GE GE GE ‐‐‐ ‐‐‐goosegrass E GE GE G E E E E E E E Pjimsonweed E ‐‐‐ E E P E P E E E P GEjohnsongrass,seedling E ‐‐‐ ‐‐‐ P P P P P GE GE P Pjohnsongrass,rhizome P P P P P P P P P P P Plambsquarters,common ‐‐‐ ‐‐‐ E E F E FG E G G F Emorningglory,annual G P G G P G P G F F P FGnutsedge,purple P P P P P P P P P P P Pnutsedge,yellow FG P P P F FG F FG P P FG Ppanicum,fall E GE GE P E E E E GE GE E Ppanicum,Texas F F F P PF P PF PF F F PF PpigweedALS‐resistantDNA‐resistant

EEE

GEGEGE

EEE

EEE

GGG

EEE

GGG

EEE

EEE

EEE

GGG

EEE

poinsettia,wild ‐‐‐ ‐‐‐ GE GE P GE P GE G G P Gpurslane,common E ‐‐‐ E E G E G E G G G ‐‐‐pusley,Florida E G E E GE E GE E ‐‐‐ ‐‐‐ GE Gragweed,common E ‐‐‐ E E P E P E GE GE P Gryegrass,annual ‐‐‐ GE GE ‐‐‐ ‐‐‐ ‐‐‐ ‐‐‐ ‐‐‐ ‐‐‐ ‐‐‐ ‐‐‐ Psandbur,field GE GE GE P FG FG FG FG F F FG Psenna,coffee GE ‐‐‐ FG FG P FG P FG G G P ‐‐‐sesbania,hemp GE ‐‐‐ FG FG P FG P FG G G P ‐‐‐sicklepod E F G G P G P G GE GE P FGsida,prickly E ‐‐‐ E E P E P E G G F Esignalgrass,broadleaf GE FG FG P G G FG FG G G G Psmartweed,Pennsylvania GE P GE GE P GE P GE GE GE P Gspurge GE ‐‐‐ GE GE ‐‐‐ GE ‐‐‐ GE GE GE ‐‐‐ Gstarbur,bristly GE ‐‐‐ GE GE PF GE P GE G G P Gvelvetleaf E P G G P G P G G G P Evol.RRsoybean GE P GE E P GE P GE GE GE P Evol.peanut G P GE E P GE P GE GE GE P GE1KeytoResponseRatings:E=excellentcontrol,90%orbetter;G=goodcontrol,80to90%;F=faircontrol,70to80%;P=poorcontrol,lessthan70%;‐‐‐=InsufficientData.


29

WeedResponsetoSoilAppliedPreemergenceHerbicidesforCornWeedManagement(cont)1

Instigate

Lumax/Lexar

S‐Metolachlor

S‐Metolachlor+ATZ

Princep

Prowl

Python

Resolve

Sharpen

SureStartII

Verdict

Zidua

anoda,spurred ‐‐‐ GE ‐‐‐ GE G ‐‐‐ G ‐‐‐ ‐‐‐ GE ‐‐‐ ‐‐‐barnyardgrass GE GE E E G GE P G P GE E Ebeggarweed,Florida ‐‐‐ E F E G ‐‐‐ FG ‐‐‐ ‐‐‐ ‐‐‐ ‐‐‐ ‐‐‐bermudagrass P P P P P P P P P P P Pcitronmelon ‐‐‐ ‐‐‐ P G F ‐‐‐ ‐‐‐ ‐‐‐ ‐‐‐ G ‐‐‐ ‐‐‐cocklebur,common G GE P GE G P E G G GE G Pcrabgrass GE GE E E G GE P G P GE E Ecowpea ‐‐‐ E P E G P G ‐‐‐ E E G Pcrotalaria,showy ‐‐‐ GE P GE G ‐‐‐ G G G GE P Pcroton,tropic G G P G G P P ‐‐‐ ‐‐‐ GE ‐‐‐ Pcrowfootgrass GE E E E G E P G P E E GEdayflower,Benghal ‐‐‐ ‐‐‐ GE GE ‐‐‐ ‐‐‐ ‐‐‐ ‐‐‐ ‐‐‐ ‐‐‐ F GEeclipta G GE ‐‐‐ GE GE G G ‐‐‐ GE GE GE Ggoosegrass GE ‐‐‐ E E G E P F P E E GEjimsonweed GE E P E E P GE G G G G ‐‐‐johnsongrass,seedling GE F F F P E P F P P P ‐‐‐johnsongrass,rhizome P P P P P P P P P P P Plambsquarters,common G E G E E G E G E E E ‐‐‐morningglory,annual FG G P G G P FG F G FG G Pnutsedge,purple P P P P P P P P P P P Pnutsedge,yellow P FG FG FG P P P P P P FG Ppanicum,fall GE GE E E G FG P G P E E GEpanicum,Texas GE PF PF P P PF P F P PF PF FpigweedALS‐resistantDNA‐resistant

GGG

EEE

GGG

EEE

EEE

FGFGP

EPE

FGPFG

EEE

EEE

EEE

GEGEGE

poinsettia,wild ‐‐‐ ‐‐‐ P GE G P G ‐‐‐ ‐‐‐ GE ‐‐‐ ‐‐‐purslane,common G G G E ‐‐‐ GE ‐‐‐ ‐‐‐ ‐‐‐ GE G ‐‐‐pusley,Florida G ‐‐‐ GE E G E G ‐‐‐ F GE F Gragweed,common G E PF E E P G F ‐‐‐ G ‐‐‐ ‐‐‐ryegrass,annual GE ‐‐‐ G G E FG P F P ‐‐‐ ‐‐‐ GEsandbur,field GE FG FG FG G GE P ‐‐‐ ‐‐‐ GE GEsenna,coffee G ‐‐‐ P F ‐‐‐ P FG G ‐‐‐ FG ‐‐‐ ‐‐‐sesbania,hemp G ‐‐‐ P F ‐‐‐ P FG G ‐‐‐ FG ‐‐‐ ‐‐‐sicklepod GE G P G G P FG FG GE G GE Fsida,prickly ‐‐‐ FG P E E P E F G G F ‐‐‐signalgrass,broadleaf FG FG FG FG P GE P F P FG FG FGsmartweed,Pennsylvania G GE P GE G P G G G G P Pspurge G G ‐‐‐ GE G G ‐‐‐ ‐‐‐ GE GE G Gstarbur,bristly ‐‐‐ G P GE GE P G ‐‐‐ P G P ‐‐‐velvetleaf GE G P G G P E F G E G Pvol.RRsoybean G G P GE G P P P ‐‐‐ GE ‐‐‐ Pvol.peanut F G P GE G P P P ‐‐‐ GE ‐‐‐ P1KeytoResponseRatings:E=excellentcontrol,90%orbetter;G=goodcontrol,80to90%;F=faircontrol,70to80%;P=poorcontrol,lessthan70%;‐‐‐=InsufficientData.


30

ImportantGroundandSurfaceWaterConsiderationsRegardingtheUseofAtrazineandSimazineContainingHerbicideProducts.

ATRAZINEandSIMAZINEusersarestronglyencouragedtofollowlabelguidelines,discussedbelow,toshareintheresponsibilityofpreservingthefutureuseofATRAZINEandSIMAZINE.TheserestrictionsapplytoallformulationsofATRAZINEandSIMAZINE,andallpre‐mixpackageproductsthatcontainATRAZINEandSIMAZINE.ApplicationRateRestrictions:Forsoilsthatarenotdefinedashighlyerodible,themaximumuserateforATRAZINEis2.0lbai(activeingredient)peracreandforSIMAZINEis2.0lbaiperacreperseason.Forsoilsclassifiedashighlyerodible(asdefinedbyNRCS), Ifconservationtillage ispracticedwithat least30percentcropresiduecoverageatplanting,themaximumuserateis2.0lbaiperacreforATRAZINEandSIMAZINE.Ifcropresiduecoverageislessthan30percent,thenthemaximumrateforATRAZINEandSIMAZINEis1.6lbaiperacre.IfATRAZINEwasnotappliedpriortocornemergence,thenthetotalamountappliedshouldnotexceed2.0lbaiperacre.IfATRAZINEwasappliedtoafieldpreemergence,thenthetotalamountofATRAZINEshouldnotexceed2.5lbaiperacrepercalendaryear.ThetotalamountofSIMAZINEshouldnotexceed2.0lbaiperacrepercalendaryear.Setbacks:Operationsthatinvolvemixing,loading,rinsing,orwashingATRAZINEorSIMAZINEwithin50feetofwells(including abandoned wells, drainage wells, or sink holes), rivers, intermittent streams, lakes, or reservoirs isprohibited. This restriction does not apply to operations within a properly designed impervious pads and dikedmixing/loadingareas.ATRAZINEorSIMAZINEmustnotbeappliedaeriallyorbygroundequipmentwithin66feetofpointswherefieldsurfacewaterentersperennialorintermittentstreamsandriversorwithin200feetaroundnaturalorimpoundedlakesandreservoirs.IfATRAZINEorSIMAZINEisappliedtohighlyerodibleland,the66footbufferorsetbackfromrunoffentrypointsmustbeplantedtocrop,seededwithgrass,orothersuitablecrop.IfATRAZINEorSIMAZINEisappliedtotile‐terracedfieldscontainingstandpipes,thenusersareadvisedtofollowonethe following restrictions: 1) donot applyATRAZINEor SIMAZINEwithin66 feet of standpipes; 2)After applyingATRAZINEorSIMAZINEtotheentirefield,immediatelyincorporateittoadepthof2‐3inches;or3)ApplyATRAZINEorSIMAZINEtotheentirefieldunderconservationtillagepracticeswherehighcropresiduelevelsarepresent.ExamplesofHerbicideProductsthatContainAtrazineorSimazineTradeName ActiveIngredient(s) TradeName ActiveIngredient(s)Aatrex atrazine HarnessXtra acetochlor+atrazineBicepIIMagnum atrazine+s‐metolachlor Guardsman

MAXdimethenamid‐p+atrazine

BicepLiteIIMagnum

atrazine+s‐metolachlor Keystone acetochlor+atrazine

Bullet alachlor+atrazine Lariat alachlor+atrazineCinchATZ s‐metolachlor+atrazine Lumax s‐metolachlor+atrazine+

mestrioneDegreeXtra acetochlor+atrazine Marksman dicamba+atrazineExpert glyphosate+s‐metolachlor+

atrazinePrincep simazine

Fultime acetochlor+atrazine SteadfastATZ nicosulfuron+rimsulfuron+atrazine


31

Glyphosate‐ResistantPalmerAmaranthPrograms–FieldCornPalmeramaranthpopulationshavebeendocumentedinSouthCarolinatoberesistanttoacetolactatesynthase(ALS)inhibitingherbicides(i.e.,Accent,Resolve,Steadfast,andOption)anddinitroaniline(yellow)herbicides(i.e.,Prowl),and glyphosate (i.e., Roundup,Touchdown). The following table is designed to aidproducers inmanaging and/orpreventingherbicide‐resistantPalmeramaranthpopulationsincorn.SeedProgram HerbicideProgram

PRE1 POST2 POST‐DIRECTED3

ConventionalHybrids

atrazine,Harness,BicepIIMagnum,CinchATZ,

Guardsman,Lexar,Corvus,Verdict,Sharpen,Bullet,Breakree,BalanceFlexx,

Acuron

dicamba,Status,2,4‐D,Impact,Laudis,Callisto,Capreno,atrazine,Armezon,BalanceFlexx,

Acuron

2,4‐D,Evik,Lorox,Status,

Clarity

NoPREapplied

dicamba,Laudis,Callisto,ImpactCorvus,Capreno,BalanceFlexx,Marksman,Buctril

+atrazine

Liberty‐LinkHybrids


Guardsman,Lexar,Corvus,Verdict,Sharpen,Bullet,Breakree,BalanceFlexx

Liberty+BanvelorClarity,Liberty+dicambaLiberty+2,4‐D

Liberty+ArmezonLiberty+Warrant 2,4‐D,

Evik,Lorox,Status,Clarity

NoPREapplied

Liberty+atrazine+CallistoLiberty+dicamba

Liberty+atrazine+LaudisLiberty+atrazine+ImpactLiberty+atrazine+Warrant

RoundupReadyHybrids


Guardsman,Lexar,Corvus,Verdict,Sharpen,Bullet,Breakree,BalanceFlexx

glyphosate+atrazineglyphosate+dicambaglyphosate+2,4‐D

glyphosate+Armezonglyphosate+Warrant

HalexGT 2,4‐D,Evik,Lorox,Status,

Clarity

NoPREapplied

glyphosate+s‐metolachlor+atrazineglyphosate+atrazine+Laudis

glyphosate+s‐metolachlor+Callistoglyphosate+atrazine+Impactglyphosate+atrazine+Warrant

HalexGT1PRE=Preemergence.Applytosoilsurfaceafteralltillageandplantinghasoccurred.2POST=Postemergence.Consultindividualproductlabelsforcornheightrestrictions,e.g.,atrazineappliedPOSTlimitedtocorn12inchestallorless.3Consultindividualproductlabelregardingspecificcornheightrestrictions.


32

PreemergenceHerbicidesforWeedManagementinFieldCorn




Acuron3.44SC(s‐metolachlor+atrazine+mesotrione+bicyclopyrone)

2.5qt 1.34lb+

0.625lb+

0.15lb+

0.038lb

1552727

60days 24hours

Comments:ACURONisaRESTRICTEDUSEPESTICIDE.Providesgoodtoexcellentcontrolofmostgrassandbroadleafweeds.TankmixpartnersincludeATRAZINE,PRINCEP,GLYPHOSATE,andWARRIOR.

Aatrex4SC(atrazine)

1.6‐2.0qt 1.6‐2.0lb

5

60days 12hours

Comments:ATRAZINEisaRESTRICTEDUSEPESTICIDE.Usetocontrolmostlybroadleafweedsandafewgrasses.TankmixwithACETOCHLOR,S‐METOLACHLOR,ALACHLOR,orDIMETHENAMID‐Pforimprovedgrasscontrol.

Acetochlor(Breakfree6.4ECHarness7EHarness20GSurpass6.4ECSurpassNXT7ECTopNotch3.2MEDegree3.8ME)

1.5‐2.5pt1.5‐3.0pt6.0‐10.0lb1.5‐2.5pt1.25‐2.25pt2.0‐3.0qt2.25‐4.25pt

1.2‐2.0lb1.3‐2.6lb1.2‐2.0lb1.2‐2.0lb1.1‐2.0lb1.6‐2.4lb1.1‐2.0lb

15 120days 12hours

Comments:HARNESSisaRESTRICTEDUSEPESTICIDE.Controlsmostannualgrasses(exceptTexaspanicum)andsmall‐seededbroadleafweeds.ACETOCHLORcanbetank‐mixedwithATRAZINEforimprovedbroadleafweedcontrol.DonotapplyACETOCHLORtothefollowingsoilswithin150ft(50ftforSURPASS/NXT)ofanywellwheredepthtogroundwateris30feetorless:sandswithlessthan3%organicmatter;loamysandswithlessthan2%organicmatter;orsandyloamswithlessthan1%organicmatter.Donotapplymorethan3lbaiACETOCHLORperacreperyear.

Alachlor(Micro‐Tech4ME)

2.0‐2.75qt

2.0‐2.75lb 15 None 12hours

Comments: MICRO‐TECH is a RESTRICTED USE PESTICIDE. Controls small seeded annual grasses (except Texaspanicum)andbroadleafweeds.

Anthem2.15EC(pyroxasulfone+fluthiacet‐methyl)

5.0‐10.0floz 0.082‐0.163lb

+0.003‐0.005lb

1514

70days 12hours

Comments:Providessmallseededgrassandbroadleafweedcontrol.Applicationrateisbasedonsoiltexture:coarsetextured5.0‐8.0floz/A;mediumtextured6.5‐10.0floz/A.TankmixwithATRAZINE,BALANCE,orHORNETforcontrolofadditionalweedspecies.


33

PreemergenceHerbicidesforWeedManagementinFieldCorn(cont)

Herbicide

Rate/AcreBroadcast


RestrictedEntryIntervalFormulation Active

Ingredient

AnthemATZ4.505SC(atrazine+pyroxasulfone+fluthiacet‐methyl)

1.75‐2.5pt 0.88‐1.25lb

+0.106‐0.152lb

+0.003‐0.004lb

51514

60days 12hours

Comments:ANTHEMATZisaRESTRICTEDUSEPESTICIDE.Applicationrateisbasedonsoiltexture:coarsetextured1.75‐2pt/A;mediumtextured2.0‐2.5pt/A.Providessmallseededgrassandbroadleafweedcontrol.TankmixwithATRAZINE,BALANCE,orHORNETforcontrolofadditionalweedspecies.

BalanceFlexx2SC(isoxaflutole)+atrazine4SC

6.0floz+

1.5qt

0.094lb

+1.5lb

275

45days 12hours

Comments:BALANCEFLEXXisaRESTRICTEDUSEPESTICIDE.ApplyBALANCEFLEXXduringplanting(behindtheplanterafterfurrowclosure)orafterplanting,butbeforeweedsemerge.Failuretothoroughlycloseandfirmtheseedfurrowmayallowherbicidetodirectlycontactseedwhichcancauseinjury.Controlsglyphosate‐andALS‐resistantPalmeramaranth.Add1.5lb/AATRAZINEtoenhanceresidualcontrolofweeds.Ifthewatertable(levelofsaturation)islessthan25feetbelowthegroundsurface,donotuseBALANCEFLEXXonsoilswherethesubsoilisloamysandorsand(i.e.,noclaysubsoil).

BicepIIMagnum5.5SC(s‐metolachlor+atrazine)

1.3‐2.1qt

0.78‐1.27lb

+1.0‐1.63lb

155

60days 24hours

Comments:BICEPIIMAGNUMisaRESTRICTEDUSEPESTICIDE.Applicationuserateisbasedonsoiltexture:Sandysoils=1.3‐1.6qt/A,Mediumtexturedsoils=1.6‐2.1qt/A.Usehigherrateforeachsoiltypeifapplyinginareducedtillagesystem.Availableasapre‐mixwithglyphosate(EXPERT).

BreakfreeATZ5.25SC(acetochlor+atrazine)

2.2‐2.8qt

1.65‐2.1lb

+1.24‐1.58lb

156

60days 12hours

Comments: BREAKFREEATZ is aRESTRICTEDUSEPESTICIDE.Applicationuse rate is basedon soil texture andorganicmattercontent:Sandysoils=2.2‐2.6qt/A,mediumtexturedsoils=2.4‐2.8qt/A.Usehigherrateforeachsoiltextureifapplyinginareducedtillagesystem.DonotapplyBREAKFREEATZtothefollowingsoilswithin150ftofanywellwheredepthtogroundwateris30feetorless:sandswithlessthan3%organicmatter;loamysandswithlessthan2%organicmatter;orsandyloamswithlessthan1%organicmatter.Donotapplymorethan3lbaiACETOCHLORperacreperyear.DonotapplyACETOCHLORthroughanyirrigationsystemorusingaerialapplicationequipment.


34





Bullet4MELariat4EC(alachlor+atrazine)

2.5‐3.75qt

1.56‐2.34lb+

0.94‐1.41lb

155

60days 12hours

Comments:BULLETandLARIATareRESTRICTEDUSEPESTICIDES.Applicationrateisbasedonsoiltypeandorganicmatter:Sandysoils=2.5‐3.0qt/A,mediumtexturedsoils=3.0‐3.75qt/A.Usehigherrateforeachsoiltypeifapplyinginareducedtillagesystem.

Corvus2.63SC(thiencarbazone+isoxaflutole)+atrazine4SC

3.33floz+

1.0qt

0.012lb

+0.049lb

+1.0lb

2275

45days 12hours

Comments: CORVUS is aRESTRICTEDUSEPESTICIDE. Apply CORVUS during planting (behind the planter afterfurrowclosure)orafterplanting,butbeforeweedsemerge.Failuretothoroughlycloseandfirmtheseedfurrowrowmayallowherbicidetodirectlycontactseedwhichcancauseinjury.Controlsglyphosate‐andALS‐resistantPalmeramaranth,sicklepod,andpricklysida.Add1.0lb/AATRAZINEtoenhanceresidualcontrolofweeds.Ifthewatertable(levelofsaturation)islessthan25feetbelowthegroundsurface,donotuseCORVUSonsoilswherethesubsoilisloamysandorsand(i.e.,noclaysubsoil).

CinchATZ5.5SC(s‐metolachlor+atrazine)

2.6‐3.2pt

0.78‐0.96lb

+1.0‐1.24lb

155

60days 24hours

Comments:CINCHATZisaRESTRICTEDUSEPESTICIDE.Applicationrateisbasedonsoiltype:Sandysoils=2.6pt/A,mediumtexturedsoils=3.2pt/A.Usehigherrateforeachsoiltypeifapplyinginareducedtillagesystem.

Dimethenamid‐p(Outlook6EC)

10‐16oz

0.47‐0.75lb 15 40days 12hours

Comments:Controlsmostannualgrasses(exceptTexaspanicum)andsomebroadleafweeds.DIMETHENAMID‐Pmaybetank‐mixedwithATRAZINEorSIMAZINE.

FulTimeNXT4.04SC(acetochlor+atrazine)

2.0‐3.7qt 1.35‐2.50lb

0.67‐1.24lb

155

60days 12hours

Comments:FULTIMENXTisaRESTRICTEDUSEPESTICIDE.TheapplicationrateofFULTIMENXTisbasedonorganicmattercontentofthesoil:Forsoilswithlessthan1.5%organicmatter,applicationraterangeis2.0‐2.9qt/A.Forsoilswith1.5%organicmatterormore,theapplicationraterangeis2.3‐3.7qt/A.Useonlyonsorghumseedtreatedwithasafener.DonotapplyFULTIMEtothefollowingsoilswithin50ftofanywellwheredepthtogroundwateris30feetorless:sandswithlessthan3%organicmatter;loamysandswithlessthan2%organicmatter;orsandyloamswithlessthan1%organicmatter.Donotapplymorethan3lbaiACETOCHLORperacreperyear.


35





Hornet68.5WDG(flumetsulam+clopyralid)Stanza68.5WDG

4.0‐5.0oz 0.046‐0.057lb

+0.125‐0.156lb

24

85days 48hours

Comments:ApplyHORNETatthetimeofplantingorafterplanting,butpriortocroporweedemergence.Cornmustbeplantedaminimumof1.5inchesdeep.ApplicationofHORNETWDGorSTANZAonsoilswithlessthan1.5%organicmattermay result in crop injury. Soil applied organophosphate insecticides should be applied in a T‐band or a band to avoidpotentialcropinjury.DonotapplyHORNETWDGorSTANZAifCOUNTER(terbufos)orTHIMET(phorate)insecticideswereappliedpreviously.OthercorninsecticidesshouldbeappliedinaT‐bandtoavoidinjury.Donotplantcottonwithin18monthsofapplication.

Instigate45.8WDG(rimsulfuron+mesotrione)

6.0oz 0.034lb

+0.34lb

227

None 12hours

Comments:ApplyINSTIGATEaftercornplantingbutbeforecropemergence.SeedfurrowmustbefirmlyclosedsothatINSTIGATEspraydoesnotcontacttheseed.Donotapplymorethan0.0625lbaiofRIMSULFURON(i.e., fromLEADOFF,PREQUEL, REALM Q, or STEADFAST Q) during the crop year. Do not apply COUNTER (terbufos) within 60 days of apreemergenceorpreplantapplicationofINSTIGATE.DonotapplyINSTIGATEpreemergencetocoarse‐texturedsoils(sand,loamysand,orsandyloam)withlessthan1%organicmatter.INSTIGATEmaybetankmixedwithATRAZINE,GLYPHOSATE,DICAMBA,2,4‐D,CINCH,orBREAKFREE.


1.4‐3.0qt 1.09‐2.33lb

+0.88‐1.88lb

155

60days 12hours

Comments: KEYSTONE NXT is a RESTRICTED USE PESTICIDE. Apply KEYSTONE NXT after planting (or after cornemergenceupto11inchesinheight).PlantingshouldbedoneascloseaspossibletothetimeofapplicationofKEYSTONENXTtoprovideeffectiveweedcontrolduringcriticalearlyseasoncorndevelopment.Donotapplymorethan3.8qtperofKEYSTONENXTperseason.KEYSTONENXTmaybe tankmixedwithAIM,ATRAZINE,BALANCEPRO,BALANCEFLEXX,BANVEL, CALLISTO, CALLISTO XTRA, CLARITY, DISTINCT, DURANGO DMA, HORNET WDG, LINEX 4L, LOROX DF,MARKSMAN,PRINCEP,PYTHONWDG,RESOURCE,or2,4‐D.

Lexar3.7SC(s‐metolachlor+mesotrione+atrazine)

3.0qt 1.31lb+

0.17lb+

1.31lb

15275

60days 24hours

Comments:LEXARisaRESTRICTEDUSEPESTICIDE.ApplyLEXARafterplanting(oraftercornemergenceupto12inchesinheight).Donotapplymorethan3.5qtperacreofLEXARperseason.LEXARmaybetankmixedwith2,4‐D,ATRAZINE,PRINCEP,GRAMOXONE,GLYPHOSATE,LIBERTY,andWARRIOR.Conductatankmixcompatabilitytesteachtime2,4‐Disadded to the tankmixturewithLEXAR.Temporarycorn injurymayoccur ifLEXAR isapplied toemergedcorn thathasreceived an at‐plant application of an organophosphate insecticide (except COUNTER). Do notmake a postemergenceapplicationofLEXARtoemergedcornwithanyorganophosphateorcarbamateinsecticide,orseverecropinjurymayoccur.DonotapplyasoloHPPDinhibitorpostemergence(i.e.,CALLISTO,IMPACT,orLAUDIS)togroundthathasbeentreatedwithLEXARinthesameseason.


36





Lumax3.95SC(s‐metolachlor+mesotrione+atrazine)

2.5qt 1.68lb+

0.17lb+

0.63lb

15275

60days 24hours

Comments:LUMAXisaRESTRICTEDUSEPESTICIDE.ApplyLUMAXafterplanting(oraftercornemergenceupto12inchesin height). Do not applymore than 3.0 qt per acre of LUMAX per season. LUMAXmay be tankmixedwith ATRAZINE,PRINCEP,GRAMOXONE,GLYPHOSATE,LIBERTY,andWARRIOR.Tankmixeswith2,4‐Dareallowedbutshouldbedonewithextreme care with regard to compatability beforemixing a load. 2,4‐D batches vary greatly and should be tested forcompatabilityeachtimeawaterorcarriersource,waterorcarriertemperature,productsource,ortankmixturerecipeischanged.

ProwlH2O3.8CS(pendimethalin)Prowl3.3EC

1.55‐3.13pt

1.8‐3.6pt

0.74‐1.49lb

0.74‐1.49lb

3

21days 24hours

Comments:Donotapplypendimethalinpreplantincorporatedorseriouscorninjurymayresult.Plantcornatleast1.5in.deep.Cornseedmustbecompletelycoveredwithsoil.Applyafterplantingbeforeemergenceofweeds.Usethehigherrateson fine‐textured soils. In case of stand failure, corn seed should be replanted below the herbicide treated zone. AddATRAZINEat1.0to2.0qt/Aforcontrolofbroadleafweeds.

Python80WDG(flumetsulam)

1.0oz 0.05lb

2

85days 12hours

Comments:ForareaswhereATRAZINEcannotbeusedorinfieldspronetofloodingwheresoybeansmaybere‐planted.Plant corn at least 1.5" deep. Mix with a preemergence grass herbicide and apply on the surface. Soil appliedorganophosphateinsecticidesshouldbeappliedinaT‐bandorabandtoavoidpotentialcropinjury.DonotapplyPYTHONifCOUNTERorTHIMETinsecticideswereappliedpreviously.OthercorninsecticidesshouldbeappliedinaT‐bandtoavoidinjury.Donotplantcottonwithin18monthsofapplication.


2.25‐2.5qt

1.58‐1.75lb

+0.17‐0.19lb

+0.11‐0.12lb

15274

‐‐‐ 12hours

Comments:ApplyRESICOREafterplantingcornintoacleanseedbed.RESICOREmaybetankmixedwithATRAZINEforenhanceresidualbroadleafweedactivity.Donotapplymorethan3.25qtofRESICOREperacreperyear.DonotmakemorethantwoapplicationsofRESICOREperyear.DonotapplyRESICORE(acetochlor)tothefollowingsoilswithin50ftofanywellwheredepthtogroundwateris30feetorless:sandswithlessthan3%organicmatter;loamysandswithlessthan2%organicmatter;orsandyloamswithlessthan1%organicmatter.

Resolve25DF(rimsulfuron)

0.5‐2.0oz 0.008‐0.031lb

2

30days 4hours

Comments:Controlsmostannualgrassesandbroadleavesincludingbroadleafsignalgrass.Forcontrolofemergedweedsatthetimeofapplication,addNISat1qt/100galorCOCat1gal/100galofspraysolutionplus2qt/AofUAN(28‐32%N)or2lb/AofspraygradeAMS.


37





(s)‐metolachlor

(Dual8E/IIDual25G/IIGMag.DualMag.7.62ECDualIIMag.7.64ECCinch7.64EC)

1.5‐2.0pt6.0‐8.0lb1.0‐1.33pt1.0‐1.33pt1.0‐1.33pt

1.5‐2.0lb1.5‐2.0lb0.96‐1.27lb0.96‐1.27lb0.96‐1.27lb

15 30days 24hours

Comments: METOLACHLOR and S‐METOLACHLOR can be tank mixed with ATRAZINE. Generic formulations ofMETOLACHLORarealsoavailable.DUALIIandDUALIIMAGNUMcontainasafenerthathelpsreducethepossibilityofinjuryfromS‐METOLACHLORapplications.

Sharpen2.85SC(saflufenacil)

2.0‐3.0floz 0.045‐0.067lb

14

80days 12hours

Comments:ApplySHARPENafterplantingbutbeforecropemergence.Forcontrolofweedsthatareemergedattimeofplanting,addMSOat1galper100galofspraysolutionplusammoniumnitrogenfertilizer(UANat1.25‐2.5galsper100 gal or AMS at 8.5‐17 lbs/100 gals). SHARPENmay be tankmixed with GLYPHOSATE, CLARITY, ATRAZINE,STATUS,HARNESS,HARNESSXTRA,VERDICT,PROWLH2O,OUTLOOK,GUARDSMANMAX,andGUARDSMANMAXLITE.DonotapplySHARPENaftercornemergenceorseverecropinjurywilloccur.Donotapplymorethan6.0floz(0.134 lb ai/A of saflufenacil) of SHARPEN per cropping season. Do not apply SHARPEN where an at‐plantingapplicationofanorganophoshateorcarbamateinsecticideisplannedorhasoccurredorseverecropinjurymayoccur.However,SHARPENmaybeappliedwhenAZTECorFORTRESSinsecticidesifappliedatplantingasaBAND,T‐BAND,or IN‐FURROW. SHARPENmay be appliedwith all other classes of at‐planting insecticides including pyrethroids,neonictinoids,andfipronil.


1.5‐3.0pt 0.703‐1.406lb

+0.023‐0.046lb

+0.071‐0.142lb

1524

85days 12hours

Comments: SURESTART II is a RESTRICTED USE PESTICIDE. Apply SURESTART II after planting (or after cropemergenceupto11inchesinheight)intoacleanseedbed.Plantcornatleast1.5”deep.UseofSURESTARTIIonsoilswithlessthan1.5%organicmattermayresultincropinjury.IfanALSherbicidesuchasCANOPY,CLASSIC,PURSUIT,SCEPTER, or SQUADRON was applied in the previous year, apply SURESTART II to corn only if the rotationalrestrictions have beenmet. Extended cold, wet conditions following application of SURESTART II to corn duringgerminationandearlycropdevelopmentmayresult incropinjury. Injurysymptomsincludingyellowingleavesorstuntingareusuallytemporaryandplantsrecoverwithoutaffectingyield.Soilappliedorganophosphateinsecticides(exceptTERBUFOSorPHORATE)mustbeappliedinaT‐bandorabandandnotin‐furrowtoavoidpotentialcropinjury.DonotuseCOUNTER(TERBUFOS)orTHIMET(PHORATE)insecticides.Othercornsoilinsecticidesfromotherclassesofchemistrymaybeappliedin‐furrow,T‐banded,orbanded.DonotapplySURESTARTII(acetochlor)tothefollowingsoilswithin50ftofanywellwheredepthtogroundwateris30feetorless:sandswithlessthan3%organicmatter;loamysandswithlessthan2%organicmatter;orsandyloamswithlessthan1%organicmatter.Donotapplymorethan3pt/AofSURESTARTIIinasingleapplication.Donotplantcottonwithin18monthsofapplication.


38





Verdict5.57EC(saflufencil+ dimethenamid‐p)

10‐15floz 0.045‐0.067lb

+0.391‐0.586lb

1415

80days 12hours

Comments:ApplyVERDICTaftercornplantingbutbeforecropemergence.Ifweedsarepresentatplanting,addMSOat1galper100galofspraysolutionplusammoniumnitrogenfertilizer(UANat1.25‐2.5galsper100galorAMSat8.5‐17lbs/100gals).VERDICTmaybetankmixedwithGLYPHOSATE,CLARITY,ATRAZINE,STATUS,andSHARPEN.DonotapplyVERDICTaftercornemergenceorseverecropinjurywilloccur.Donotapplymorethan0.134lbai/Asaflufenacilfromallproductsourcespercroppingseason.Donotapplymorethan25flozofVERDICTpercroppingseason.DonotapplyVERDICTwhereanat‐plantingapplicationofanorganophoshateor carbamate insecticide isplannedor hasoccurredor severe crop injurymayoccur.However, VERDICTmaybe appliedwhenAZTEC2.1%granular,AZTEC4.67Ggranular,orFORTRESS5GgranularinsecticidesisappliedatplantingasaBAND,T‐BAND,orIN‐FURROW. VERDICT may be applied with all other classes of at‐planting insecticides including pyrethroids,neonictinoids,andfipronil.

Warrant3.0ME(acetochlor)

1.5‐2.75qt 1.125‐2.063lb

15

‐‐‐ 12hours

Comments: ApplyWARRANT after corn planting but beforeweeds germinate. Provides residual control of smallseededbroadleavesandgrasses.TheoptimumrateofWARRANTis3pt/A.Donotexceed4.0qt/AofWARRANTperseason. Labeled tankmixpartners includeAIM, BALANCEPRO, BALANCEFLEXX, CALLISTO, CLARITY,DISTINCT,GLYPHOSATE,LINEX4L,LOROXDF,MARKSMAN,PRINCEP,RESOURCE,2,4‐D,ATRAZINE,andPARAQUAT.DonotapplyACETOCHLORwithin50ftofanywellwheredepthtogroundwateris30feetorless:sandswithlessthan3%organicmatter; loamysandswith less than2%organicmatter;orsandy loamswith less than1%organicmatter.ApplicationofWARRANTfollowedbypoorenvironmentalconditions(coolwetsoilsand/orwaterloggedsoils)mayresultincropresponse.DonotuseWARRANTpreplant,at‐planting,orpreemergencetosweetcorn.

Zidua0.85WG(pyroxasulfone)

1.5‐3.0oz 0.080‐0.16lb

15

‐‐‐ 12hours

Comments:ApplyZIDUAafterplantingcornbutbeforecropemergence.Cornseedmustbeplantedatleast1inchdeep.ZIDUAtankmixpartnersincludeATRAZINE,GLYPHOSATE,LIGHTNING,OUTLOOK,PROWLH2O,SHARPEN,andSTATUS.Oncoarsetexturedsoils,donotapplymorethan2.75oz/AofZIDUA(0.142lbai/Aofpyroxasulfone)percroppingseason.Onallothersoiltypes,donotapplymorethan5.0oz/AofZIDUA(0.266lbai/Aofpyroxasulfone)percroppingseason.


39

WeedResponsetoPostemergenceHerbicidesforFieldCornWeedManagement1 POSTEMERGENCE

Acuron

Accent/NIC‐IT

Aim

Atrazine(ATZ)

BalanceFlexx

Basagran

Banvel/Clarity

Beacon

Buctril

Cadet

Callisto

Capreno

Corvus

Distinct/Status

Expert2

Glyphosate2

HalexGT2

Impact/Arm

ezon

Keystone/Fultime4

Laudis

Libert y

3

anoda,spurred G FG P E ‐‐‐ P GE F ‐‐‐ ‐‐‐ G ‐‐‐ ‐‐‐ GE E GE GE ‐‐‐ E ‐‐‐ Gbarnyardgrass FG GE P GE GE G P P P G G GE E P E E E GE GE GE Gbeggarweed,Florida G G F G GE P G GE G G G GE GE GE E E E G G GE GEbermudagrass P P P P P P P P P P P P P P F F F P P P Pcitronmelon ‐‐‐ ‐‐‐ FG E GE P E ‐‐‐ G FG G GE GE E E E E ‐‐‐ E ‐‐‐ Ecocklebur,common G F G E G E E GE E G E E G E E E E E E E Ecowpea GE ‐‐‐ FG G GE P E ‐‐‐ FG FG GE GE GE E G G GE GE G GE Gcrabgrass E GE P G G P P P P P P GE G P E E E P G P Gcrotolaria,showy ‐‐‐ ‐‐‐ F GE GE P G ‐‐‐ G G ‐‐‐ GE GE GE G E E GE GE GE Gcroton,tropic E ‐‐‐ G G G GE GE ‐‐‐ FG G P G G GE G G G ‐‐‐ G ‐‐‐ Gcrowfootgrass E E P G GE P P P P P P ‐‐‐ ‐‐‐ P E E E P G P Gdayflower,Benghal F ‐‐‐ GE P ‐‐‐ FG P ‐‐‐ ‐‐‐ ‐‐‐ ‐‐‐ ‐‐‐ ‐‐‐ ‐‐‐ ‐‐‐ F F ‐‐‐ ‐‐‐ ‐‐‐ PFeclipta GE ‐‐‐ FG GE GE FG G ‐‐‐ G FG G GE GE GE E E E GE ‐‐‐ GE Ggoosegrass E E P G GE P P P P P P E G P E E E P G P Gjimsonweed E FG G E E E E E E G E E E E E GE GE GE E GE Gjohnsongrass,seedling E E P F G P P E P P P E G F E E E P F P GEjohnsongrass,rhizome P GE P P P P P G P P P P P P E E E P P P Flambsquarters,common GE P GE E GE FG E PF G G E GE GE E E E E GE E GE Emorningglory,annual G F E G G P E PF G G GE GE G E FG FG GE GE G GE Enutsedge,purple P P P P F P P P P P F F F P G G G P P P Pnutsedge,yellow FG P P PF F G P PF P P F F F P FG FG FG P PF P Ppanicum,fall E G P G G P P G P P P E G F E E E P G P Gpanicum,Texas F GE P F FG P P PF P P P GE F P E E E P F P Fpigweedglyphosate‐resistantALS‐resistant

EEE

GEGEP

GGG

EEE

EEE

PPP

GEGEGE

GEGEP

GGG

GGG

EEE

GEGEGE

EEE

EEE

EGE

EPE

EEE

GEGEGE

GEGEGE

GEGEGE

FGFGFG

poinsettia,wild ‐‐‐ ‐‐‐ ‐‐‐ ‐‐‐ ‐‐‐ ‐‐‐ G ‐‐‐ ‐‐‐ ‐‐‐ ‐‐‐ ‐‐‐ ‐‐‐ GE GE GE GE ‐‐‐ ‐‐‐ ‐‐‐ ‐‐‐purslane,common E ‐‐‐ G E ‐‐‐ P E ‐‐‐ ‐‐‐ ‐‐‐ ‐‐‐ ‐‐‐ ‐‐‐ E G G G ‐‐‐ ‐‐‐ ‐‐‐ Gpusley,Florida E P FG G ‐‐‐ P G GE E ‐‐‐ ‐‐‐ GE ‐‐‐ G P P P ‐‐‐ G ‐‐‐ FGragweed,common E P F GE ‐‐‐ G E ‐‐‐ G ‐‐‐ F E ‐‐‐ E E GE GE F GE GE Eryegrass,annual P GE P FG GE P P FG F F P GE GE P E E E ‐‐‐ ‐‐‐ F FGsandbur,field GE E P F G P P PF P P P E F P GE GE GE P F P Gsenna,coffee GE FG P FG ‐‐‐ P E FG F ‐‐‐ F ‐‐‐ ‐‐‐ GE GE GE GE ‐‐‐ FG ‐‐‐ Gsesbania,hemp GE PF F FG GE P E P G G P ‐‐‐ ‐‐‐ E F F F G ‐‐‐ G GEsicklepod E PF P P GE P GE GE P G P P GE GE E E E GE G P Esida,prickly E P F GE G G G G F G P G G GE E G G ‐‐‐ GE E GEsignalgrass,broadleaf GE GE P F P P P P P P P GE ‐‐‐ P GE GE GE P F P Gsmartweed,Pennsylvania GE G G G ‐‐‐ E E G GE ‐‐‐ G GE ‐‐‐ E G G G GE G GE Espurge GE ‐‐‐ FG GE GE F G G GE G G GE GE GE E E E GE FG G Gstarbur,bristly GE ‐‐‐ P E ‐‐‐ E E ‐‐‐ F ‐‐‐ E ‐‐‐ ‐‐‐ GE E GE E ‐‐‐ E ‐‐‐ Gvelvetleaf E F E G E GE FG PF G F GE E E GE G G GE GE G GE GEvol.peanut FG G P G GE P G F P P P GE GE GE G G G GE G GE Evol.RRsoybean GE G P E E P E P F P G GE E GE E P G GE E GE G1KeytoResponseRatings:E=excellentcontrol,90%orbetter;G=goodcontrol,80to90%;F=faircontrol,70to80%;P=poorcontrol,lessthan70%;‐‐‐=InsufficientData.2Useonlyonglyphosate‐tolerant(RoundupReady,RoundupReady2,AgrisureGT)cornhybrids.3UseonlyonLibertyLinkcornhybrids.4Forcontroloflistedweeds,theseherbicidesmustbeappliedpriortoweedemergenceortankmixedwithafoliaractiveherbicide.


40

WeedResponsetoPostemergenceHerbicidesforFieldCornWeedMgmt(cont)1 POSTEMERGENCE POSTEMERGENCE‐DIRECTED

Marksm

an

Option

Prowl4

Pursuit2

RealmQ

Resolve

ResolveQ

RevulinQ

Sandea

Sequence

3

Steadfast/Q

SteadfastATZ

Stinger

Warrant4

2,4‐D

Aim

Evik

Linex/Lorox

Gramoxone

2,4‐D

anoda,spurred GE ‐‐‐ P ‐‐‐ ‐‐‐ ‐‐‐ ‐‐‐ G P GE FG E P ‐‐‐ G P G ‐‐‐ GE Gbarnyardgrass P G GE P GE G GE G P E E E P GE P G E E G Pbeggarweed,Florida FG P ‐‐‐‐ P ‐‐‐ ‐‐‐ ‐‐‐ G P E ‐‐‐ ‐‐‐ GE ‐‐‐ P ‐‐‐ E E E Pbermudagrass P P P P P P P P P F P P P P P P P P P Pcitronmelon G P ‐‐‐‐ PF ‐‐‐ ‐‐‐ ‐‐‐ GE PF E ‐‐‐ G FG ‐‐‐ E G G E F Ecocklebur,common E G P E ‐‐‐ P PF E G E FG E GE P E G F E G Ecowpea E P ‐‐‐ P ‐‐‐ ‐‐‐ ‐‐‐ GE ‐‐‐ E ‐‐‐ G GE P E ‐‐‐ G G G Ecrabgrass,large P FG GE F G F F GE P E PF FG P GE P P E G G Pcrotolaria,showy ‐‐‐ P ‐‐‐ P ‐‐‐ ‐‐‐ ‐‐‐ ‐‐‐ P E ‐‐‐ ‐‐‐ GE ‐‐‐ G G E E G Gcroton,tropic GE P P PF ‐‐‐ ‐‐‐ ‐‐‐ ‐‐‐‐ ‐‐‐ GE ‐‐‐ GE G ‐‐‐ G ‐‐‐ G G G Gcrowfootgrass P F GE F F PF PF GE P E E GE P G P P E E G Pdayflower,Benghal ‐‐‐ P ‐‐‐ FG ‐‐‐ ‐‐‐ ‐‐‐ ‐‐‐ P F ‐‐‐ ‐‐‐ ‐‐‐ ‐‐‐ GE ‐‐‐ GE F GE GEeclipta G ‐‐‐ G GE GE G G G P E ‐‐‐ ‐‐‐ ‐‐‐ G G FG G G FG Ggoosegrass P F GE F F PF PF GE P E P GE P GE P P E E G Pjimsonweed E G P PF G P P GE ‐‐‐ GE G E G G E GE E E G Ejohnsongrassseedling P E G PF F PF PF GE P E E E P G P P E E G Pjohnsongrassrhizome P G P P P P P G P E G GE P P P P P P P Plambsquarters,common E G P P G PF PF GE PF GE F E P G E G E E FG Emorninggloryspp. E F P FG F P P G PF G G G P FG GE G G G G GEnutsedge,purple F P P G PF P P P G FG P P P P P P G F F Pnutsedge,yellow F P P F F P P F GE FG P PF P P PF P G F F PFpanicum,fall P G GE F G F F FG P E G G P GE P P E E G Ppanicum,Texas P F F PF G F F F P E G E P G P P GE GE E Ppigweedglyphosate‐resistantALS‐resistant

EEE

GGP

FFF

GGP

GEGEGE

PFPFP

PFPFP

GEGEGE

FGFGP

EPE

GGP

EEE

GGG

GGG

GEGEGE

GGG

EEE

GGG

GGG

GEGEGE

poinsettia,wild ‐‐‐ P ‐‐‐ E ‐‐‐ ‐‐‐ ‐‐‐ ‐‐‐ ‐‐‐ E ‐‐‐ E ‐‐‐ ‐‐‐ ‐‐‐ FG ‐‐‐ ‐‐‐ FG ‐‐‐purslane,common ‐‐‐ P ‐‐‐ P ‐‐‐ ‐‐‐ ‐‐‐ ‐‐‐ ‐‐‐ E ‐‐‐ E ‐‐‐ ‐‐‐ G G E G G Gpusley,Florida GE P GE PF ‐‐‐ ‐‐‐ ‐‐‐ FG ‐‐‐ FG FG GE FG FG G FG E G FG Gragweed,common E G P P G P P FG GE GE FG E G F E P E E G Eryegrass,annual ‐‐‐ G GE P F G G G P E F F P GE P P E E G Psandbur,annual P F G P F F PF G P E PF PF P GE P P E E G Psenna,coffee GE P P FG ‐‐‐ ‐‐‐ ‐‐‐ G ‐‐‐‐ GE FG FG G ‐‐‐ G P E G G Gsesbania,hemp GE P P P G P P G FG GE ‐‐‐ E ‐‐‐ ‐‐‐ G P PF G PF Gsicklepod GE F P P F ‐‐‐ ‐‐‐ FG P GE PF E FG P E P E E G Esida,prickly E ‐‐‐ P GE F P P FG F GE P GE ‐‐‐ F G G E G FG Gsignalgrass,broadleaf P F GE P F PF PF F P E GE GE P GE P P GE G G Psmartweed,Pennsylvania E PF P G G P P G FG GE FG GE F P PF G G G FG PFspurge G ‐‐‐ G G ‐‐‐ ‐‐‐ ‐‐‐ ‐‐‐ ‐‐‐ E ‐‐‐ GE G ‐‐‐ G F G G FG Gstarbur,bristly GE P P F ‐‐‐ ‐‐‐ ‐‐‐ ‐‐‐ G GE ‐‐‐ E FG ‐‐‐ GE ‐‐‐ E G G GEvelvetleaf E G P G G PF PF G E G F G ‐‐‐ G G E G G GE Gvol.peanut E P P P ‐‐‐ ‐‐‐ ‐‐‐ ‐‐‐ P G G G FG P P P GE G P Pvol.RRsoybean E P P P ‐‐‐ ‐‐‐ ‐‐‐ ‐‐‐ ‐‐‐ P G E E P FG P E P G GE1KeytoResponseRatings:E=excellentcontrol,90%orbetter;G=goodcontrol,80to90%;F=faircontrol,70to80%;P=poorcontrol,lessthan70%;‐‐‐=InsufficientData.2UseonlyonClearfieldcornhybrids.3Useonlyonglyphosate‐tolerant(RoundupReady,RoundupReady2,AgrisureGT)cornhybrids.4Forcontroloflistedweeds,theseherbicidesmustbeappliedpriortoweedemergenceortankmixedwithafoliaractiveherbicide.


41

PostemergenceHerbicidesforWeedManagementinFieldCorn

HerbicideRate/AcreBroadcast Modeof

ActionPreharvestInterval


Aatrex4SC(atrazine)

1.0‐2.0qt 1.0‐2.0lb

5

None 12hours

Comments:ApplyATRAZINEtocornfromemergenceupto12inchesinheight.AddCOCat1galper100galofspraymix.IfATRAZINEwasnotappliedpriortocornemergence,upto2lbsai/Amaybeapplied.IfanearlierATRAZINEapplicationwasmade,thetotalATRAZINEappliedmaynotexceed2.5lbsai/acrepercalendaryear.Rainfastintervalnotindicatedonlabel(suggest1hourminimum).

Accent75DF(nicosulfuron)AccentQ54.5WDGNIC‐IT2EC

0.67oz

0.9oz

2.0oz

0.031lb

2

30days 4hours

Comments:ApplyACCENT,ACCENTQ,orNIC‐ITovertoporwithdropnozzlestocontrolrhizomejohnsongrass8to18"tall.ACCENT,ACCENTQ,andNIC‐ITmaybeappliedovertopcornupto20inchestall.Forcornfrom20to36inchestall,usedropnozzlestoavoidsprayingintothewhorloftheplant.AddNISat1qt/100galorCOCat1gal/100galofspraymixplus2qt/AofUANor2lb/AofAMS.DonotapplyACCENT,ACCENTQ,orNIC‐ITtocornpreviouslytreatedwithCOUNTER15G,orCOUNTER20CR(in‐furrow)unlesshybridisIR(imidazolinoneresistant).InjurymayoccurwhenACCENT,ACCENTQ,orNIC‐IT isapplied tocornpreviously treatedwithsoil‐appliedTHIMET,LORSBANorCOUNTER20CRT‐banded. In fieldsheavilyinfestedwithjohnsongrass,applyonlytovirustoleranthybrids.Donotuseonsweetcorn.DonottankmixACCENT,ACCENTQ,orNIC‐ITwithfoliar‐appliedorganophosphateinsecticidesasseverecropinjurymayoccur.CertaincornhybridsaresensitivetoALS‐inhibitorherbicides(MOA=2),consultyourlocalseeddealerformoreinformation.Rainfastinterval=4hours.

Acuron3.44SC(s‐metolachlor+atrazine+mesotrione+bicyclopyrone)

1.25‐2.5qt 0.67‐1.34lb

+0.313‐0.625lb

+0.075‐0.15lb

+0.019‐0.038lb

1552727

60days 24hours

Comments:ACURONisaRESTRICTEDUSEPESTICIDE.ApplyACURONfromemergenceupto12inchesinheightbeforebroadleafweedsaregreaterthan3inchesinheight.DonotapplyACURONinliquidfertilizerorseverecropinjurymayoccur.ACURONappliedalonewillnotprovideconsistentpostemergencecontrolofemergedgrassweeds.Donotapplymorethan2.5qt/AofACURONpergrowingseason.TankmixpartnersincludeATRAZINE,ACCENTQ,STEADFASTQ,GLYPHOSATE,andWARRIOR.Rainfastintervalnotindicatedonlabel(suggest1hourminimum).

Aim2EC(carfentrazone)Aim1.9EW

0.5‐1.0floz

0.008‐0.016lb

14

3days 12hours

Comments:ApplyAIMbroadcasttocornfromemergenceuntil8leafcollargrowthstage(V8).Excellentcontrolofsmallsicklepod,glyphosate‐resistantPalmeramaranth,andmorningglory.AddaCOC(1‐2gal/100gals),NIS(1qt/100gals),orMSO(1‐2gal/100gals).MaybetankmixedwithGLYPHOSATEforbroaderspectrumweedcontrolinRoundupReadycorn.**ConsultAIMproductlabelregardingspecificrecommendationsforpreharvestintervals.Rainfastinterval=6hours


42

PostemergenceHerbicidesforWeedManagementinFieldCorn(cont)




Armezon2.8SC(topramezone)+atrazine4SC

0.75‐1.0floz+

1.0‐2.0pt

0.016‐0.022lb

+0.5‐1.0lb

285

45days 12hours

Comments:ApplyARMEZONovertopcornfromemergenceupto12inchestall.Forbestresults,addMSOoraCOCat1.0‐1.5galper100galofspraymixplusafertilizersolutionofUANat1.25‐2.5galorspraygradeAMSat8.5‐17lbper100gal(usehigheradjuvantratesforperiodswherehotdryweatherisexpected).Donotapplymorethan1.0floz/Aperseason.Goodtoexcellentcontrolofglyphosate‐andALS‐resistantandPalmeramaranth(lessthan6”tall).Rainfastinterval=1hour.

BalanceFlexx2SC(isoxaflutole)+atrazine4SC

6.0floz+

1.0pt

0.094lb

+0.5lb

275

45days 12hours

Comments: BALANCE FLEXX is a RESTRICTEDUSE PESTICIDE. Apply BALANCE FLEXX overtop on corn from spikingthroughthe2leafcollarstage(V2).Controlsglyphosate‐andALS‐resistantPalmeramaranth,sicklepod,andpricklysida.Add0.5lb/AATRAZINEtoenhancecontrolofweedslargerthan6inches(restrictsbroadcastapplicationtocorn12inchestallorless).DonotuseCOCorMSOwithBALANCEFLEXXappliedtoemergedcorn.Donotapplytank‐mixesofBALANCEFLEXXwithorganophosphateorcarbamateinsecticidestoemergedcorn. Foliarapplicationsoforganophosphoteorcarbamateinsecticidesshouldnotbemadewithin7daysofanapplicationofBALANCEFLEXX.Ifthewatertable(levelofsaturation)islessthan25feetbelowthegroundsurface,donotuseBALANCEFLEXXonsoilswherethesubsoilisloamysandorsand(i.e.,noclaysubsoil).Rainfastinterval=N/A(suggest1hour).

Banvel/Clarity4S(dicamba)

0.5‐1.0pt 0.25‐0.5lb

4

** 24hours

Comments:ApplyBANVELorCLARITYatthe1.0ptrateovertopcornfromthespikestageupto8inchtallcornor5leafcollarstage(V5)toprovideearlycontrolofvinesandbroadleafweeds.Applythe0.5pt/Aratefromthe8inchtallupto36inchtallcornor15daysbeforetasselemergence,whichevercomesfirst.Forbestperformance,applywhenweedsarelessthan3inchestall.Usedirectedapplicationswhencornleavespreventproperspraycoverage,sensitivecropsaregrowingnearby,ortankmixingwith2,4‐D.DonotapplyBANVELorCLARITYunderconditionswhichfavordriftontonearbycrops.**CorntreatedwithBANVELorCLARITYmaybeharvestedorusedforfeedoncethecrophasreachedthemilkstageofdevelopment.Rainfastintervalnotindicatedonlabel(suggest1hourminimum).

Basagran4S(bentazon)

1.5‐2.0pt 0.75‐1.0lb

6

12days 48hours

Comments:Treatwhenbroadleafweedsaresmallandactivelygrowing.Donotapplytoweedsthatareunderstresssuchasmoistureorherbicideinjury,asunsatisfactorycontrolmayresult.Adjustrateaccordingtoweedsizeasindicatedontheproductlabel.AddCOCtothespraytankatrateof1qt/A.Donotapplymorethan4ptperacreofBASAGRANperseason.Rainfastinterval=4hours.

Beacon75DF(primisulfuron)

0.76oz 0.036lb

2

60days 12hours

Comments:ApplyBEACONovertop,directedorsemi‐directedtocontrolrhizomejohnsongrass8to16inchestall.BEACONmaybeappliedbroadcastovertop cornup to20 inches tall. Directedor semi‐directedapplicationsmay improveweedcoverageandminimizecropinjury.AddNISat1.0qt/100galofspraymix,orCOCat1.0to4.0pt/A.DonotapplyBEACONtocornpreviouslytreatedwithCOUNTER15G,orCOUNTER20CR(in‐furrow)unlesshybrid isIR(imidazolinoneresistant).InjurymayoccurwhereBEACONisappliedtocornpreviouslytreatedwithsoil‐appliedLORSBANorCOUNTER20CRT‐banded.Certaincornhybridsaresensitive toALS‐inhibitorherbicides(MOA=2),consultyour localseeddealer formoreinformation.Rainfastinterval=4hours.


43




RestrictedEntryInterval

Formulation ActiveIngredient

Buctril4EC(bromoxynil)+atrazine4SC

0.5‐0.75pt+

1.0‐2.0qt

0.25‐0.38lb

+1.0‐2.0lb

65

45days 24hours

Comments:ApplyBUCTRILovertop corn from4 leafgrowthstage (V4)up tobefore tassel emergence to controlglyphosate‐andALS‐resistantandPalmeramaranth(lessthan2inchesinheight).Applywhenweedsareinthe2‐to4‐leafstageorlessthan6inchestall.Lessdangerofvolatilitydriftthan2,4‐DorBANVEL.TankmixtureswithBANVEL,2,4‐D, or CLARITYmay cause stalk brittleness. Tankmixes with liquid fertilizers may cause excessive leaf burn.Rainfastintervalnotindicatedonlabel(suggest1hourminimum).

Cadet0.91EC(fluthiacetmethyl) 0.9oz 0.006lb 14 60days 12hours

Comments: ApplyCADETbroadcast to corn from2 leaf growth stage (V2) up to 48 inches in height, butbeforetasseling.Excellentcontrolofsmallsicklepod,glyphosate‐resistantPalmeramaranth,andmorningglory.AddeitheraCOC(1‐2pt/A)orNIS(1qt/100gals)plusUANat1‐2qt/AorspraygradeAMSat8.5lb/100gals.MaybetankmixedwithglyphosateforbroaderspectrumweedcontrolinRoundupReadycorn.Donotapplymorethan1.25oz/ACADETperseason.Rainfastinterval=4hours.

Callisto4SC(mesotrione)+atrazine4SC

3.0floz+

1.0qt

0.094lb

+1.0lb

275

45days 12hours

Comments:ApplyCALLISTO+ATRAZINEovertopcornupto12inchestall.[Note:withoutATRAZINE,CALLISTOmaybeappliedtocornupto30 inches tallor8 leafgrowthstage(V8)].Providesgoodcontrolofglyphosate‐andALS‐resistantandPalmeramaranth.ApplybeforePalmeramaranthreaches5inches.AlwaysaddCOCat1gal/100galofspraymixandUANatarateof2.5%v/vorAMSatarateof8.5lbs/100gal.DonotuseMSOadjuvantswithCALLISTOasseverecropinjurymayoccur.Donotapplymorethan7.7floz/AofCALLISTOperseason.Donotmakemorethan2applicationsofCALLISTOperseason.Delaysecondapplicationuntil14daysafterthefirst.Rainfastinterval=12hours.

Capreno3.45SC(thiencarbazone+tembotrione)+atrazine4SC

3.0floz+

1.0qt

0.013lb

+0.068lb

+

1.0lb

2275

45days 12hours

Comments:ApplyCAPRENOovertoponcornfromthe1leafcollarstage(V1)uptothe6leafcollarstage(V6).Controlsglyphosate‐andALS‐resistantPalmeramaranth,sicklepod,andpricklysida.Add0.5lb/AATRAZINEtoenhancecontrolofweedslargerthan6inches(restrictsbroadcastapplicationtocorn12inchestallorless).AddCOCat1gal/100galofspraymixplus1.5qt/AofUANor1.5lb/AofspraygradeAMS.TheuseofNISwilldecreaseweedcontrolperformance.Asequentialapplicationof3.0flozcanbemade(waitaminimumof14days).Donotexceed6.0floz/Ainagrowingseason.DonotuseCAPRENOinthesameseasonasLORSBAN,COUNTER,DYFONATE,orTHIMET.Foliarapplicationsoforganophosphoteorcarbamateinsecticidesshouldnotbemadewithin7daysofanapplicationofCAPRENO.CertaincornhybridsaresensitivetoALS‐inhibitorherbicide(MOA=2),consultyourlocalseeddealerformoreinformation.Rainfastinterval=1hour.


44






Corvus2.63SC(thiencarbazone+isoxaflutole)+atrazine)

3.33floz+

1.0qt

0.020lb

+0.049lb

+1.0lb

2275

45days 12hours

Comments:CORVUSisaRESTRICTEDUSEPESTICIDE.ApplyCORVUSovertoponcornfromspikingthroughthe2leafcollarstage(V2).Controlsglyphosate‐andALS‐resistantPalmeramaranth,sicklepod,andpricklysida.Add1.0lb/AATRAZINEtoenhancecontrolofweedslargerthan6inches.DonotuseCOCorMSOwithCORVUSappliedtoemergedcorn.Donotapplytank‐mixesofCORVUSwithorganophosphateorcarbamateinsecticidestoemergedcorn.DonotapplysoloHPPDinhibitorpostemergenceherbicides(i.e.,LAUDIS,CALLISTO,IMPACT)tocornthathasbeentreatedwithCORVUSherbicideinthesamegrowingseason.DonotapplymorethanoneapplicationofCORVUSper365dayperiod.Foliarapplicationsoforganophosphoteorcarbamateinsecticidesshouldnotbemadewithin7daysofanapplicationofCORVUS.Ifthewatertable(levelofsaturation)islessthan25feetbelowthegroundsurface,donotuseCORVUSonsoilswherethesubsoil is loamysandorsand(i.e.,noclaysubsoil).Certaincornhybridsaresensitive to ALS‐inhibitor herbicides (MOA=2), consult your local seed dealer for more information. Rainfastintervalnotindicatedonlabel(suggest1hourminimum).

Distinct70DG

(dicamba+diflufenzopyr)

4.0‐6.0oz

0.138‐0.207lb+

0.054‐0.80lb

419

** 12hours

Comments:Applyovertoptocornbetween4and24inchestall.Forcorn4to10inchestall,use6oz/A.Forcorn10to24inchestall,use4oz/A.Usedropnozzlesatthe4oz/Arateasarescuetreatmentforcorn24to36inchestall.AlwaysaddNISat1qtper100galofspraymix.DonotuseCOC.DISTINCTprovidesexcellentcontrolofseveralbroadleafweeds,includingglyphosate‐andALS‐resistantPalmeramaranth.Donotapplyunderweatherconditionsthatfavordriftontonearby,sensitivecrops.Donottank‐mixwithgrowthregulatorherbicides,suchasBANVELor2,4‐D.**Donotharvestforcorngrainandstoverwithin72daysofDISTINCTapplicationordonotharvestcornforfodderwithin32daysofDISTINCTapplication.Rainfastinterval=4hours.

Expert4.88L(glyphosate+s‐metolachlor+atrazine)

2.5‐3.75qt 0.47‐0.71lbae

+1.09‐1.63lb

+1.33‐2.0lb

9155

60days 24hours

Comments:USEONLYONGLYPHOSATE‐TOLERANT(ROUNDUPREADY,ROUNDUPREADY2,AGRISUREGT)CORNHYBRIDS!EXPERTisaRESTRICTEDUSEPESTICIDE.ApplyEXPERTfromemergenceuptill12inchestallcorn.EXPERTprovidesexcellentcontrolofseveralbroadleafandgrassweedswhileprovidingresidualcontrolofweedsthathavenotemerged.Rainfastinterval=2hours.


45






FulTimeNXT4.04SC(acetochlor+atrazine)

2.0‐3.7qt 1.35‐2.50lb

0.67‐1.24lb

155

60days 12hours

Comments:FULTIMENXTisaRESTRICTEDUSEPESTICIDE.ApplyFULTIMENXTbeforecornexceeds11inchesinheight.Applicationrateisbasedonorganicmattercontentofthesoil:Forsoilswithlessthan1.5%organicmatter,applicationraterangeis2.0‐2.9qt/A.Forsoilswith1.5%organicmatterormore,theapplicationraterangeis2.3‐3.7 qt/A. FULTIME NXT may be applied before, with, or following postemergence herbicides in corn: AIM,ATRAZINE,BALANCEFLEXBANVEL,CALLISTO,CAPRENO,CLARITY,DISTINCT,DURANGODMA,HORNETWDG,IMPACT,LAUDIS,LIBERTY,LINEX4L,LOROXDF,MARKSMAN,RESOURCE,STATUS,or2,4‐D.DonotapplyFULTIMENXTtothefollowingsoilswithin50ftofanywellwheredepthtogroundwateris30feetorless:sandswithlessthan3%organicmatter;loamysandswithlessthan2%organicmatter;orsandyloamswithlessthan1%organicmatter.Donotapplymorethan3lbaiACETOCHLORperacreperyear.

Glyphosate(various)acidequivalent(ae)

3lbae/gal4lbae/gal4.17lbae/gal4.5lbae/gal

32oz24oz23oz22oz

0.75lbae

9 50days 4hours

Comments:USEONLYONGLYPHOSATE‐TOLERANT(ROUNDUPREADY,ROUNDUPREADY2,AGRISUREGT)CORNHYBRIDS!ApplyGLYPHOSATEbroadcastincornuptotheV8growthstage(about30”tall)beforeweedsexceed4inchesinheight.Usedropnozzlesfor30‐48”tallcorntoavoidsprayingintothewhirlsoftheplants.Allowaminimumof10daysbetweenapplications.MaybetankmixedwithATRAZINE(applicationrestrictedto12"tallcorn)forresidualcontrol.Asinglein‐cropapplicationmustnotexceed1.12lbae/A.Asequentialapplicationmustnotexceed1.12lbae/A(2.24lbae/Atotalforin‐cropapplicationsthrough48inchcorn).Rainfastinterval=heavyrainfallsoonafterapplicationmaywashproductoffofthefoliageandarepeatapplicationmaybeneededtoensureadequateweedcontrol(suggest1hour).

HalexGT4.39SC(s‐metolachlor+glyphosate+mesotrione)

3.6‐4.0pt 0.94‐1.05lb

+0.94‐1.05lb

+0.094‐0.105lb

15927

45days 24hours

Comments:USEONLYONGLYPHOSATE‐TOLERANT(ROUNDUPREADY,ROUNDUPREADY2,AGRISUREGT)CORNHYBRIDS!ApplyHALEXGTovertopcornfromemergenceupto30inchesinheightorthe8‐leafstageofcorngrowth.HALEXGTmustbeappliedwithaNISat1‐2qt/100galofspraymix.UsethehigherrateofNISwhenweedsaregrowingunderstressconditions.InadditiontoNIS,addspraygradeAMSat8.5‐17lb/100galofspraymix.TheuseofUANinsteadofAMSinnotrecommendedduetoriskofcropinjury.IftankmixingHALEXGTwithatrazine,donotapplywhencornexceed12inchesinheight.Temporarycropsresponse(transientbleaching)mayoccurunderextremeweatherconditionsorwhen thecrop issuffering fromstress. Rainfast interval=heavyrainfallsoonafterapplicationmaywashproductoffofthefoliageandarepeatapplicationmaybeneededtoensureadequateweedcontrol(suggest1hour).


46






Hornet68.5WDG(flumetsulam+clopyralid)Stanza68.5WDF

2.0‐5.0oz 0.023‐0.057lb

+0.063‐0.156lb

24

85days 48hours

Comments:ApplyHORNETorSTANZA fromemergence (spikestage)until cornreaches20 inches inheight (or theV6growthstage).IncludeaNISat1qt/100galorCOC/MSOat1gal/100galofsprayvolume.PostemergenceapplicationsofHORNETor STANZA to cornpreviously treatedwithT‐band,band,or in‐furrowapplicationsofotherorganophosphateinsecticides, such as LORSBAN, AZTEC, FORTRESS, or DYFONATE, may cause temporary crop injury. Do not tankmixHORNET or STANZA with foliar postemergence organophosphate insecticides as severe crop injury may result. Foliarorganophosphateinsecticideshouldbeappliedasleast10daysbeforeoraftertheapplicationofHORNETorSTANZA.DonotapplyHORNETorSTANZAifCOUNTER(terbufos)orTHIMET(phorate)insecticideswereappliedatplanting.HORNETorSTANZAmaybetankmixedwithotherfoliarnon‐organophosphateinsecticides.Donotplantcottonwithin18monthsofapplication.Rainfastinterval=2hours.

Impact2.8SC(topramezone)+atrazine4SC

0.75floz

+1.0‐2.0pt

0.016lb

+0.5‐1.0lb

285

45days 12hours

Comments:ApplyIMPACTovertopcornfromemergenceupto12inchestall.Forbestresults,addMSOat1.0‐1.5galper100galofspraymixcombinedwithafertilizersolutionofUANat1.25‐2.5galper100galofspraymixorspraygradeAMSat8.5‐17lbper100gal(usehigheradjuvantratesforperiodswherehotdryweatherisexpected).Donotapplymorethan0.75floz/Aperseason.Goodtoexcellentcontrolofglyphosate‐andALS‐resistantandPalmeramaranth(lessthan6”tall).Rainfastinterval=1hour.


1.4‐3.0qt 1.09‐2.33lb

+0.88‐1.88lb

155

60days 12hours

Comments:KEYSTONENXTisaRESTRICTEDUSEPESTICIDE.ApplyKEYSTONENXTafteremergenceupto11inchesinheight.Donotapplymorethan3.8qtperofKEYSTONENXTperseason.PostemergenceKEYSTONENXTtankmixpartnersmay include ACCENT, AIM, ATRAZINE, BALANCE FLEXX, BANVEL, BASIS, BASIS GOLD, BEACON, BUCTRIL, CALLISTO,CALLISTOXTRA,CAPRENO,CLARITY,DISTINCT,HORNETWDG,IMPACT,LAUDIS,LIBERTY,LIGHTNING,LINEX4L,LOROXDF,MARKSMAN,PEAK,PERMIT,PROWL,PENDIMAX,PURSUIT,RESOURCE,SHOTGUN,SPIRIT,STATUS,STEADFAST,or2,4‐D.

Laudis3.5SC(tembotrione)+atrazine4SC

3.0floz+

1.0pt

0.082lb

+0.5lb

275

45days 12hours

Comments:ApplyLAUDISovertoponcornfromemergenceuptothe8leafcollarstage(V8).Controlsglyphosate‐andALS‐resistantPalmeramaranth.Add0.5lb/AATRAZINEtoenhancecontrolofweedslargerthan6inches(restrictsapplicationtocorn12”tallorless).AddMSOat1galper100galofspraymixplus1.5qt/AofUANor1.5lb/AofspraygradeAMS.DonotusenitrogenfertilizersolutionastheprimarycarrierforapplyingLAUDIS.DonotuseNISasweedcontrolperformancewillbeerratic.Asecondsequential3floz/Aapplicationcanbemade(waitaminimumof7days).Donotexceed6oz/Apergrowingseason.Rainfastinterval=1hour.


47






Liberty2802.34SL(glufosinate)Interline2.34SL

22‐29floz 0.40‐0.53lb

10

** 12hours

Comments: USE ONLY ON CORNHYBRIDS CONTAINING THE LIBERTY‐LINK TECHNOLOGY! Apply LIBERTYovertoponcornfromemergenceuptothe24‐inch‐tallcorn(V7).Forcorn24to36inchestall,usedropnozzles.Avoidsprayingintothewhorlorleafaxilsofthecornstalks.Controlsglyphosate‐andALS‐resistantPalmeramaranth(lessthan4”).Usethe29oz/ArateofLIBERTYwhentargetingPalmeramaranth.AlwaysaddAMSat3lb/AwhenapplyingLIBERTY.DonotaddNISorCOCasitmayincreasecropresponse.Donotexceed44ozLIBERTYperacreperseason.Donotusenitrogensolutionsasspraycarriers.**DoapplyLIBERTYwithin60daysofharvestingcornforageandwithin70daysofharvestingcorngrainandcornfodder.Rainfastinterval=4hours.

Marksman3.2S

(dicamba+atrazine)

2.0‐3.5pt

0.28‐0.48lb+

0.53‐0.92lb

45

60days 24hours

Comments:MARKSMANisaRESTRICTEDUSEPESTICIDE.ApplyMARKSMANovertopcornfromemergencethroughthe 5 leaf growth stage (V5) or 8 inches tall. Controls glyphosate‐ and ALS‐resistant Palmer amaranth. ReduceMARKSMANrateto2.0pt/Aoncoarsetexturedsoils(sand,loamysand,andsandyloam).DonotuseCOCaftercornemergenceascropinjurymayresult.Amaximumof5.25pt/Aperseasonisallowed.ANISmaybeaddedtothespraytank.Rainfastinterval=4hours.

Option35DF(foramsulfuron)

1.5‐1.75oz 0.003‐0.038lb

2

** 12hours

Comments:ApplyOPTIONtocornfromtheV1totheV6growthstage.UsedirectedordropnozzlesforapplicationsattheV7‐V8growthstage.Addmethylatedorethylatedseedoilat1.5pt/Aincombinationwithanitrogenfertilizer(1.5‐2qt/AofUANor1.5‐3lb/AofAMS).DonotuseOPTIONinthesameseasonasCOUNTER15G(alluses),COUNTER20CR(in‐furrow),DYFONATE(alluses)andTHIMET(alluses).FoliarapplicationsofanOP insecticideshouldnotoccurwithin7daysofanOPTIONapplication.Infieldsheavilyinfestedwithjohnsongrass,applyonlytovirustoleranthybrids.**DonotapplyOPTIONwithin70daysofharvestinggrainor45daysofharvestingcornforage.Certaincornhybrids are sensitive to ALS‐inhibitor herbicides (MOA=2), consult your local seed dealer for more information.Rainfastinterval=2hours.

ProwlH2O3.8CS(pendimethalin)

Prowl3.3EC+atrazine4SC

2.0‐3.0pt

1.8‐2.4pt+

1.5‐2.0qt

0.95‐1.43lb

0.75‐1.0lb+

1.5‐2.0lb

3

5

21days

24hours

Comments:ApplyPROWLover‐the‐topaftercornemergenceupto12‐inch‐tall(V4)cornbutwhenseedlinggrassesarelessthan1inchtall.IfATRAZINEisnotused,PROWLcanbeappliedupto30‐inch‐tallcorn.Usethehigherratesonfine‐texturedsoils.Incaseofstandfailure,cornseedshouldbereplantedbelowtheherbicidetreatedzone.Rainfastintervalnotindicatedonlabel(suggest1hour).


48






RealmQ38.75DF(rimsulfuron+mesotrione)

4.0oz 0.019lb

+0.078lb

227

70days 12hours

Comments: ApplyREALMQover‐the‐top to corn fromemergenceup to 20 inches (or 7 ormore collars visible),whicheverismorerestrictive.AddNISat1qtper100galorCOCat1galper100galplusnitrogenfertilizersolutionat2qt/Aorammoniumsulfateat2lb/A.Donotapplymorethan4.0oz/AofREALMQpergrowingseason.Ifactivatingrainfallisnotreceivedwithin7daysofapplication,afollow‐upwithcultivationorasequentialapplicationofACCENTQorGLYPHOSATEmaybeneeded.DonottankmixREALMQwithBASAGRANorseverecropinjurymayoccur.DonotapplyREALMQwithin45daysofcropemergencewhereCOUNTERwasappliedsincecropinjurymayoccur.DonottankmixRESOLVEQwithafoliarappliedorganophosphateinsecticides,suchasLORSBAN,MALATHION,PARATHION,etc.,asseverecropinjurymayoccur.Toavoidcropinjury,applytheseproductsasleast7daysbeforeor3daysafterapplicationofREALMQ.DonotapplyREALMQaeriallyorapplythroughanytypeofirrigationsystem.Donotapplytofieldcorngrownforseed.Rainfastinterval=4hours.


2.25‐2.5qt

1.58‐1.75lb

+0.17‐0.19lb

+0.11‐0.12lb

15274

45days 12hours

Comments: ApplyRESICOREaftercornemergenceupto11 inches inheight.RESICOREmaybe tankmixedwithATRAZINEforenhancedbroadleafandgrassweedcontrol.Forcontrolofemergedgrasses,tankmixRESICOREwithACCENTQorSTEADFASTQinconventionalcorn.RESICOREmaybetankmixedwithGLYPHOSATEforglyphosate‐tolerantcornorLIBERTYforglufosinate‐tolerantcorn.ApplyRESICOREwhenweedsaresmall(1‐2inchesinheight).Do not apply RESICORE to emerged corn that has received an at‐plant application of PHORATE or TERBUFOSinsecticide or severe crop injury may occur. Postemergence applications of any organophosphate or carbamateinsecticidewithin7daysbeforeor7daysafteraRESICOREapplicationmayresultinseverecorninjury.Donotapplymorethan3.25qtofRESICOREperacreperyear.DonotmakemorethantwoapplicationsofRESICOREperyear.DonotapplyRESICORE(acetochlor)tothefollowingsoilswithin50ftofanywellwheredepthtogroundwateris30feetorless:sandswithlessthan3%organicmatter;loamysandswithlessthan2%organicmatter;orsandyloamswithlessthan1%organicmatter.

Resolve25DF(rimsulfuron)

1.0oz 0.016lb

2

30days 4hours

Comments: Apply RESOLVE 25DF overtop to corn from emergence up to 12‐inch corn or 6 leaf collars visible,whicheverismorerestrictive.ProvidessuppressionofPalmeramaranth.AddNISat1.0qtper100galplusnitrogenfertilizerat2.0qt/AorAMSat2lb/A.Ifrainfallisnotreceivedwithin7daysofapplication,afollow‐upcultivationorasequentialapplicationofACCENTmaybeneeded.Donotapplymorethan2.0oz/AofRESOLVE25DFinagrowingseason.DonottankmixRESOLVE25DFwithBASAGRANorseverecropinjurymayoccur.DonottankmixRESOLVE25DFwithafoliarappliedorganophosphateinsecticides,suchasLORSBAN,MALATHION,PARATHION,etc.,asseverecropinjurymayoccur.CertaincornhybridsaresensitivetoALS‐inhibitorherbicides(MOA=2),consultyourlocalseeddealerformoreinformation.Rainfastintervalnotindicatedonlabel(suggest1hour).


49






ResolveQ(mp)22.4DF

(thifensulfuron+rimsulfuron)

1.25oz

0.014lb+

0.003lb

22

30days 4hours

Comments:ApplyRESOLVEQover‐the‐toptocornfromemergenceupto20‐inchcornor5collarsvisible,whicheverismorerestrictive.ProvidessuppressionofPalmeramaranth.AddNISat1qtper100galorCOCat1galper100galorMSOat0.5galper100galplusnitrogenfertilizersolutionat2qt/Aorammoniumsulfateat2lb/A.Ifrainfallisnotreceivedwithin 7 days of application, a follow‐upwith cultivationor a sequential applicationof ACCENTmay beneeded.Donotapplymorethan2.5oz/AofRESOLVEQinagrowingseason.DonotapplyRESOLVEQwithin45daysof crop emergencewhere COUNTERwas applied since crop injurymay occur. Do not tankmix RESOLVEQwithBASAGRANorseverecropinjurymayoccur.DonottankmixRESOLVEQwithfoliarappliedOPinsecticides,suchasLORSBAN,MALATHION,PARATHION,etc.,asseverecropinjurymayoccur.CertaincornhybridsaresensitivetoALS‐inhibitorherbicides(MOA=2),consultyourlocalseeddealerformoreinformation.Rainfastintervalnotindicatedonlabel(suggest1hour).

RevulinQ51.2DF(nicosulfuron +mesotrione)

3.4‐4.0oz

227

70days 12hours

ApplyREVULINQover‐the‐toptocornfromemergenceupto20‐inchcornor6collarsvisible,whichever ismorerestrictive.Forapplicationstocornfrom20to30inchestall,usedropnozzlesonlyandavoidsprayingintothewhorloftheplant.Donotapplytocornafterheightexceeds30inches.Optimumapplicationtimingiswhencornis12inchesorlessandweedsaresmallandactivelygrowing.AddCOCat1galper100galplusnitrogenfertilizersolutionat2qt/Aorammoniumsulfateat2lb/A.DonotusemethylatedseedoiladjuvantsorblendswithREVULINQ.Ifactivatingrainfallisnotreceivedwithin7daysofapplication,afollow‐upwithcultivationorasequentialapplicationofACCENTQorGLYPHOSATEmaybeneeded.Donotapplymorethan4.0oz/AofREVULINQinagrowingseason.DonottankmixREVULINQwithBASAGRANorseverecropinjurymayoccur.DonotapplyREVULINQwithin45daysofcropemergencewhereCOUNTERwasapplied.DonottankmixREVULINQwithafoliarorganophosateinsecticides,suchas LORSBAN,MALATHION, PARATHION, etc., as severe crop injurymay occur. To avoid crop injury, apply theseproductsasleast7daysbeforeor3daysafterapplicationofREVULINQ.DonotapplyREVULINQaeriallyorapplythroughanytypeofirrigationsystem.Rainfastinterval=4hours.

Sandea75WDG(halosulfuron)

0.67‐1.33oz 0.031‐0.062lb

2

30days 12hours

Comments: ApplySANDEAover‐the‐top tocorn fromemergence through the laybystage.Usedropnozzlesaftercanopypreventsadequatecoverageofweeds.Controlsyellowandpurplenutsedge.AddNISat1qtper100galsspraysolution.TankmixpartnersincludeBANVEL,2,4‐D,BUCTRIL,andATRAZINE.Pleaseobserveandfollowthemorerestrictiveapplicationtimingsonthetankmixpartnerlabels.Donotexceed2.67ozperacreperseason.Certaincornhybrids are sensitive to ALS‐inhibitor herbicides (MOA=2), consult your local seed dealer for more information.Rainfastinterval=4hours.


50






Sequence5.25S

(glyphosate+s‐metolachlor)

2.0‐2.5pt

0.56‐0.71lbae+

0.56‐0.70lb

915

50days 24hours

Comments:USEONLYONGLYPHOSATE‐TOLERANT (ROUNDUPREADY,ROUNDUPREADY2,AGRISUREGT)CORNHYBRIDS!ApplySEQUENCEfromemergenceuptillcornplantsreach30inchestall.Applicationsfrom30to48inchesrequiredropnozzlestoensureSEQUENCEdoesnotcontactthewhorloftheplant.Donotexceed3.5pt/Ainasingleapplicationor5.0pt/Atotalperyear.CanbetankmixedwithATRAZINEforimprovedresidualbroadleafweedcontrol(consult label foradditionaltankmixchoices).Rainfastinterval=heavyrainfallsoonafterapplicationmaywashproductoffofthefoliageandarepeatapplicationmaybeneededtoensureadequateweedcontrol(suggest1hour).

Status56WDG

(dicamba+diflufenzopyr+isoxadifen)

5‐10oz

0.223‐0.446lb+

0.089‐0.178lb+

safener

419

** 24hours

Comments:ApplySTATUSover‐the‐toponcornfromV2(4inchestall)toV10(36inchestall)growthstages.Controlsglyphosate‐andALS‐resistantPalmeramaranth.AddNISat1qtorCOCat1.0‐2.0pt/AorMSOat1.0‐2.0pt/Aper100galplusnitrogenfertilizerat5.0qtper100galorAMSat8.5lb/A.Donotapplyunderweatherconditionsthatfavordriftontonearby,sensitivecrops.Donotapplymorethan12.5oz/AofSTATUSperseason.DonotapplySTATUSusinganitrogenfertilizersolutionasacarrier.Donotapplyifcornismorethan36inchestall(V10stage)or15daysbeforetassel emergence, whichever comes first. **Do not harvest for corn grain and stover within 72 days of STATUSapplicationordonotharvestcornforfodderwithin32daysofSTATUSapplication.Rainfastinterval=4hours.

Steadfast75DF(nicosulfuron+rimsulfuron)

0.75oz

0.023lb+

0.012lb

22

30days 4hours

Comments:ApplySTEADFASTover‐the‐topcornupto20”tallor6collars(V6),whicheverismorerestricitve.AddCOCat1galper100gallonsorNISat1qtper100gallons.Addnitrogenfertilizersolutionat2qt/AorAMSat4lb/A.DonotapplytocornpreviouslytreatedwithCOUNTER15G,orCOUNTER20CR(in‐furrow).InjurymayoccurwhenSTEADFASTisappliedtocornpreviouslytreatedwithsoilappliedLORSBAN,THIMET,orCOUNTER20CRT‐banded.Do not tankmix STEADFAST orwithBASAGRANor LADDOCKor severe crop injurymayoccur.Do not tankmixSTEADFASTwithafoliarappliedorganophosphateinsecticides,suchasLORSBAN,MALATHION,PARATHION,etc.,asseverecropinjurymayoccur.CertaincornhybridsaresensitivetoALS‐inhibitorherbicides(MOA=2),consultyourlocalseeddealerformoreinformation.Rainfastinterval=4hours.


51






SteadfastQ37.7WDG(nicosulfuron+rimsulfuron)

1.5oz

0.023lb+

0.012lb

22

30days 4hours

Comments:ApplySTEADFASTQover‐the‐topcornupto20”tallor6collars(V6),whicheverismorerestrictive.AddCOCat1galper100gallonsorMSOat0.5galper100gallonsorNISat1qtper100gallonsplusanitrogenfertilizersolutionat2qt/A(28to32%N)orspraygradeAMSat4lb/A.DonotapplytocornpreviouslytreatedwithCOUNTER15G,orCOUNTER20CR(in‐furrow).InjurymayoccurwhenSTEADFASTQisappliedtocornpreviouslytreatedwithsoilappliedLORSBAN,THIMET,orCOUNTER20CR.DonottankmixSTEADFASTQwithBASAGRANorLADDOCKorseverecropinjurymayoccur.DonottankmixSTEADFASTorSTEADFASTQwithafoliarappliedorganophosphateinsecticides,suchasLORSBAN,MALATHION,PARATHION,etc.,asseverecropinjurymayoccur.Donottankmixwith2,4‐Dorseveregrasscontrolantagonismmayoccur.CertaincornhybridsaresensitivetoALS‐inhibitorherbicides(MOA=2),consultyourlocalseeddealerformoreinformation.Rainfastinterval=4hours.

SteadfastATZ89.3WDG

(nicosulfuron+rimsulfuron+atrazine)

14oz

0.024lb+

0.011lb+

0.75lb

225

60days 12hours

Comments:ApplySTEADFASTATZover‐the‐topcornfromemergenceupto12 inches tallorupandexhibiting6collars(V6).AddNISat1qtper100galorCOCat1galper100galofspraymixplus2qt/AofUANor2lb/AofAMS.DonotapplySTEADFASTATZtocornpreviouslytreatedwithasoilinsecticidesuchasCOUNTER15G,COUNTER20CR(in‐furrow),THIMET,LORSBAN,orCOUNTER20CR(T‐banded).Donot tankmixSTEADFASTATZwithany2,4‐Dcontainingproductsasseveregrasscontrolantagonismmayoccur.DonottankmixSTEADFASTATZwithBASAGRANorLADDOCKorseverecropinjurymayoccur.DonottankmixSTEADFASTATZwithafoliarappliedorganophosphateinsecticides,suchasLORSBAN,MALATHION,PARATHION,etc.,orseverecropinjurymayoccur.Certaincornhybridsare sensitive toALS‐inhibitor herbicides (MOA=2), consult your local seed dealer formore information.Rainfastinterval=4hours.

Stinger3.0SL(clopyralid)

0.33‐0.67pt 0.124‐0.25lb

4

‐‐‐ 12hours

Comments:ApplySTINGERover‐the‐topcornfromemergenceupto24inchestalltocontrolsmallbroadleafweedspecies.Usehigherrateforlargerweeds.Applywithgroundequipmentasabroadcastsprayin10gallonsofwaterormoretoensureuniformandthroughspraycoverageoftheweedfoliage.STINGERmaybetankmixedwithHORNETWDG.Seelabelforadditionalinformation.CorninbredlinesorbreedingstockmaybeinjuredbySTINGER.Donotapplymorethan0.67ptSTINGERperacreperyear.Donotallowlivestocktograzetreatedareasorharvesttreatedcornsilageasfeedwithin40daysafterlasttreatment.Rainfastinterval=6hours.


52







1.5‐3.0pt 0.703‐1.406lb

+0.023‐0.046lb

+0.071‐0.142lb

1524

85days 12hours

Comments:ApplySURESTARTIIfromplantinguntilcornreaches11inchesinheight.DonotapplySURESTARTIIpostemergence ifcornwaspreviously treatedwithCOUNTER(TERBUFOS)orTHIMET(PHORATE)asseverecropinjurymayresult.PostemergenceapplicationsofSURESTARTIItocornpreviouslytreatedwithT‐band,band,orin‐furrowapplicationsofotherorganophosphateinsecticides,suchasLORSBAN,AZTEC,orFORTRESSinsecticidemaycausetemporarycropinjury.DonottankmixSURESTARTIIwithfoliarpostemergenceorganophospateinsecticidesasseverecropmayresult.Toavoidcropinjury,applythefoliarorganophosateinsecticideatleast10daysbeforeor10daysaftertheapplicationofSURESTARTII.DonotapplySURESTARTIItosweetcornorpopcorn.Donotplantcottonwithin18monthsofapplication.DonotapplySURESTARTII(acetochlor)tothefollowingsoilswithin50ftofanywellwheredepthtogroundwateris30feetorless:sandswithlessthan3%organicmatter;loamysandswithlessthan 2% organic matter; or sandy loams with less than 1% organic matter. Do not apply more than 3 pt/A ofSURESTARTIIinasingleapplication.

Warrant3.0ME(acetochlor)

1.5‐3.0qt 1.13‐2.25lb

15

40days 12hours

Comments:ApplyWARRANTover‐the‐toptocornfromseedlingemergenceuntilcornreaches30inchesinheight.Dropnozzlesarerecommendedforoptimumspraycoverageandweedcontrolwhencornheightis24to30inches.WeedsemergedattimeofapplicationwillnotbecontrolledbyWARRANT.Ifweedsareemergedattimeofapplication,tankmixalabeledpostemergencecornherbicidewithWARRANT.Donotmakeapostemergencesurfaceapplicationusingasprayablefluidfertilizerasthecarrierbecauseseverecropinjurymayoccur.Donotexceed4qtperacreperseasonwhenmakingasecondapplicationofWARRANT.DonotuseWARRANTonsweetcorn.Tankmixpartnersinclude2,4‐D,ATRAZINE,AIM,AXIOM,BALANCE,DICAMBA,DISTINCT,PYTHON,RESOURCE,GLYPHOSATE,LOROX,CALLISTO,MARKSMAN,PROWL,andRESOLVE.

2,4‐D4S(various)

0.5‐1.0pt 0.25‐0.5lb

4

7days 48hours

Comments:Apply2,4‐Dover‐the‐toptocornunder8"tall(totopofcanopy).Ifcornismorethan8inchestall,usedropnozzlestokeepsprayoutofthewhorls.DotankmixwithATRAZINE,oil,orotheradjuvants.Donotapplyfromtasselingtoharddoughstage.Corntreatedwith2,4‐Dmaybecometemporarilybrittle.Windorcultivationmaycausestembreakageduringthattimeperiod.Makenomorethanoneapplicationpercropcycle.Donotapplymorethan1.0pt/Aperapplication.Controlsglyphosate‐andALS‐resistantPalmeramaranth.Donotapplyunderconditionswhichfavordriftontonearby,sensitivecrops.Rainfastintervalnotindicatedonlabel(suggest1hour).


53

PostemergenceDirectedHerbicidesforWeedManagementinFieldCorn





2,4‐D4Samineorlowvolatileester

0.5‐1.0pt 0.125‐0.25lb

4

7days 48hours

Comments:Apply2,4‐Dasapostemergencedirectedsprayfrom8inchestalluptotasselingusingdropnozzlestominimizecontactwithcornplant.Ifcornplantsaregrowingrapidly,reduce2,4‐Drateto0.5pttominimizecropinjurypotential.

Aim2EC(carfentrazone)

Aim1.9EW

0.5‐2.0floz

0.008‐0.031lb

14

** 12hours

Comments:ApplyAIMasapostemergencedirectedsprayfromV8toV14growthstage.AddaCOCat1‐2galper100gals,NISat1qtper100gals,orMSOat1‐2galper100galsofspraymixture.Avoiddirectingthesprayinthewhorloftheplant.**ConsultAIMproductlabelregardingspecificrecommendationsforpreharvestintervals.

Evik80WDG(ametryn)

0.75‐2.0lb 0.6‐1.6lb

5

30days 12hours

Comments:ApplyEVIKasapostemergencedirectedsprayafterthesmallestcornisatleast12inchestall(measuredfromthehighestleafsurfaceonfree‐standingplants).Applyinaminimumof20gallonsofwaterperacre.Coverageisimportantforweedcontrolperformance.AddNISatarateof2qtper100galsofspraymixture.Donotsprayovertopofcornorinjurywilloccur.Donotmakemorethanoneapplicationperyear.Donotapplywithin3weeksoftasseling.

GramoxoneSL2E(paraquat)Parazone3SFirestorm3S

1.0‐2.0pt

0.7‐1.3pt

0.25‐0.5lb

0.26‐0.49lb

22

7days 12hours

Comments:ApplyPARAQUATasapostemergencedirectedspraywhencornisatleast10inchestall.Ahoodedorshieldedsprayerisrecommendedtominimizespraycontactwithcornfoliage.Applyinaminimumof10gallonsofwaterperacre.Coverageisimportantforweedcontrolperformance.Weeds6inchesortallermaynotbecontrolled.AddNISatarateof1qtper100galsofspraymixture.Ifusingdropnozzles,arrangenozzlestospraynohigherthanlower3inchesofthecornstalks.Cornplantsshorterthan10inchesmaybeinjuredandnotrecover.Forcorngreaterthan20inchesinheight,arrangenozzlestospraynohigherthanthelower1/3ofthecornstalks.Cornfoliagesprayedwillbeinjuredbutcropwillrecoveranddevelopnormally.Donotapplymorethan3applicationsofPARAQUATpost‐directedperyear.

Linex4L(linuron)

Lorox50DF

1.25‐3.0pt

1.25‐3.0lb

0.63‐1.5lb

0.63‐1.5lb

7

57days 24hours

Comments:ApplyLINEXorLOROXasapostemergencedirectedspraywhencornisatleast15inchestall.Applywhenthereissufficientheightdifferentialbetweenweedsandthecropsothatthedirectedspraythoroughlycoversallweedfoliagewithoutcontactofupperleavesorwhorlofthecornbysprayordrift.AddNISatarateof2qtper100galsofspraymixture.Spraytocoverweedsnomorethan3to4inchestall.Uselowerratewhenweedsarenotallerthan2inchesandhigherrateforweedsupto4inchestall.Non‐pressurenitrogensolutionmaybesubstitutedforallorpartofthewatercarrier.


54

HarvestAidsforFieldCorn





2,4‐D4Samineorlowvolatileester

1.0‐3.0pt 0.25‐1.5lb 4 7days 48hours

Comments:Apply2,4‐Dbroadcastaftertheharddoughordentgrowthstagetocontrolweedsthat interferewithharvest.Makenomorethanoneapplicationpercropcycle.Donotapplymorethan3pintsperacreperapplication.

Aim2EC(carfentrazone)

Aim1.9EW

1.0‐2.0floz

0.008‐0.031lb

14

7days 12hours

Comments: Apply AIM after physiological maturity (less than 35% moisture and the black layer has formed).Desiccatesannualmorninggloryandotherweedyharvestimpediments.AddaCOCat1‐2gal/100gals,NISat1qt/100gals,orMSOat1‐2gal/100galstothespraymix.Applyinsprayvolumeswithaminimumof10gal/A

Glyphosateacidequivalent(ae)

3lbae/gal4lbae/gal4.17lbae/gal4.5lbae/gal

32oz24oz23oz22oz

0.75lbae

9 7days 12hours

Comments:ApplyGLYPHOSATEafterphysiologicalmaturity(lessthan35%moistureandtheblacklayerhasformed).ConsultGLYPHOSATEproduct label forrecommendationsonadjuvantsandotheradditives.Notrecommendedforcorngrownforseed.

Parazone3S(paraquat)Firestorm3S

0.8‐1.3pt 0.3‐0.49lb

22

7days 12hours

Comments:ApplyPARAQUAT3Sinaminimumof20gallonsofsprayperacrebygroundor5gallonsofsprayperacrebyairaftercornismature.Ablacklayeratthebaseofeachkernelindicatesmaturity.AddaNISat1qt/100galofspraysolution.Usethehigherratetodesiccatematurebroadleafweedsandgrasses.Droughtstressedplantscanbedifficulttokillanddesiccationmaynotbecomplete.Makeonly1preharvestapplicationofPARAQUAT3Speryear.

Documents

South Carolina Pest Management Handbook for Field Crops - 2017 · 2020-04-24 · South Carolina Pest Management Handbook for Field Crops - 2017 25 Preplant/Burndown Herbicides for