South Carolina Pest Management Handbook for Field …Grain yield reductions and losses in grain...

South Carolina Pest Management Handbook for Field Crops - 2017

CORNINSECTCONTROLFrancisP.F.Reay‐Jones,ExtensionEntomologist

GrainyieldreductionsandlossesingrainqualityduetoinsectpestsareaconstantproblemintheSoutheast.

Control options include cultural practices to prevent or avoid injury, transgenic Bt corn, at‐planting insecticides(including seed treatments), and foliar insecticides. Insect pressure varies greatly from field to field. Decisionsconcerning pest management options should therefore be made in careful consideration of the history of insectproblemsineachfieldwherecornistobeplanted.MajorinsectpestsofcorninSouthCarolina.

Insect Descriptionoffeedinghabit Methodsofcontrol

Wireworms Feedonplantedkernelsresultinginpoorgerminationandstuntedseedlings

Insecticide,tillage,controlofwinterweeds

Cutworms Girdlingofstalkatsoilsurface Avoidplantingcornonsodorweedyland,selectedBthybrids,insecticides

Sugarcanebeetles Burrowintostalkabovebaseofroots Plantearlyanddonotplantcornaftersod

Billbugs Chewintostalkandcausebudleavestowiltanddie

Croprotation,weedremovalinandaroundcornfield,insecticides

Cornearworms Feedonleavesinwhorlandoneartissueneareartip

Insecticides,selectedBthybrids,plantearly

Fallarmyworms Mayfeedonallabovegroundpartsofcornplant

Bthybrid,insecticides,plantandharvestearly,controlgrassyweeds

Lessercornstalkborers Tunnelintocornseedling Croprotationandearlyplanting,selectedBthybrids,insecticides

SeveraltypesofBtcornareavailable,eachcharacterizedbyan‘event’(i.e.asuccessfulinsertionofthegeneticpackageintoaplant)andcryproteins.Inanutshell,thereareBttraitsforabove‐groundpestsandBttraitsforrootworms.Pleaserefertotablebelowforefficacyofavailableproducts.Bttraitsforabove‐groundpests.

- HerculexI(eventTC1507,proteinCry1F).- OptimumIntrasect(eventsTC1507andMON810,proteinsCry1FandCry1Ab).- OptimumLeptra(eventsTC1507,MON810,andMIR162,proteinsCry1F,Cry1AbandVip3Aa20).- YieldGardCB(eventMON810,proteinCry1Ab).- GenuityVTDoublePro(eventMON89034,proteinsCry1A.105andCry2Ab2).- AgrisureArtesian3010A(eventBt11,proteinCry1Ab).- AgrisureGT/CB/LL(eventBt11,proteinCry1Ab).- AgrisureViptera3110(eventsMIR162andBt11,proteinsVip3Aa20andCry1Ab).- AgrisureViptera3220(eventsMIR162,TC1507,proteinsVip3Aa20,Cry1AbandCry1F)- PowerCore(eventsMON89034andTC1507,proteinsCry1A.105,Cry2Ab2,andCry1F)-

Allproductsprovideexcellentcontrolofstalkborers(Europeancornborer,southerncornstalkborer).TheactivityinseedlingandwhorlstageisgreaterinHerculexI,whichprovidesgoodearlyseasoncontrolofcutworms,lessercornstalkborer,andfallarmyworm.YieldGardCBandAgrisureCB/LLhavefairactivityforcornearworminfestationsincornears,whereascontrolwithHerculexIispoor.ThemorerecentGenuityVTDoubleProisthefirstBtcorntohave

two genes expressing Bt toxins to control above ground Lepidopteran pests. Themajor advantage relative to thepreviouslymentionedproductsisthatitprovidesgoodtoverygoodcontrolofcornearwormandverygoodcontroloffallarmyworm.ThenewVip3Aa20proteinthatisincludedinAgrisureVipterahybridsandinOptimumLeptrahybridswillalsoprovideexcellentcontrolofcornearwormandfallarmyworm.Thesehybridsmaybeparticularlyusefulinlateplantedandno‐tillcorn.Bttraitsforrootworms.

- HerculexRW(eventDAS59122‐7,proteinCry34/35Ab1).- YieldGardRootworm(eventMON863,proteinCry3Bb).- YieldGardVTRootworm/RR2(eventMON88017,proteinCry3Bb).- AgrisureRW(eventMIR604,proteinmCry3A).

All products provide control of western corn rootworms (but no control of grubs and wireworm).Western cornrootwormsarenotcurrentlywidespreadpestsinSouthCarolina,andtheseproductsshouldgenerallynotbeneeded.StackedBttraitsforabove‐groundpestsandrootworms.

- Optimum Intrasect XTRA (events TC1507, MON810, and DAS59122‐7, cry proteins Cry1F, Cry1Ab, andCry34/35Ab1).

- YieldGardVTTriple(eventsMON810andMON88017,cryproteinsCry1AbandCry3Bb1).- AgrisureCB/LL/RW(eventsBt11andMIR604,cryproteinsCry1AbandmCry3A).- Agrisure3000GT,AgrisureArtesian3011A(eventsBt11,andMIR604,cryproteinsCry1AbandmCry3A).- AgrisureViptera3111(eventsMIR162,Bt11andMIR604,vipproteinVip3AandcryproteinsCry1Aband

mCry3A).- GenuityVTTriplePro(eventsMON89034andMON88017,cryproteinsCry1A.105,Cry2Ab2andCry3Bb1).- Powercore(eventsMON89034andTC1507,cryproteinsCry1A.105,Cry2Ab2,andCry1F).- SmartStaxorGenuitySmartStax(eventsMON89034,MON88017,TC1507andDAS59122,cryproteins

Cry1A.105,Cry2Ab2,Cry3Bb,Cry1F,andCry34/35Ab1).Theseproductscombinethecryproteins(andefficacy)oftheabove‐groundpestandrootwormBtcorntraits.RefugerequirementsforBtcornforabove‐groundpestsinCottonBelt(seedealersforcompleterefugerequirements)

- ForYieldGardCornBorer,AgrisureGT/CB/LL,AgrisureArtesian3010A,HerculexI:50%ofcornonafarmcanbeplantedasBtcorn.

- GenuityVTDoublePro,AgrisureViptera3110,AgrisureViptera3220,OptimumIntrasect,OptimumLeptra,PowerCore:20%ofcornonafarmcanbeplantedasBtcorn.

- Blockscanbe internal (withinBt field)orexternal (inseparate fieldwithin½mileofBt field tomaximizerandommating;¼mileishoweverpreferred.

- Infieldstrips:atleast4rowswidetoreduceeffectoflarvalmovement(6rowspreferred)- RefugecanbesprayedwithanyinsecticideexceptBtproducts

RefugerequirementsforBtcornforrootwormsinCottonBelt(seedealersforcompleterefugerequirements)BtcornforrootwormhasspecificregulationsthatdifferfromstalkborerBtcorn.ThemajordifferenceforrootwormBtcornisthatrefugesmustbeeitheradjacenttoorwithintheBtfield,ratherthanwithin¼mileoftheBtfieldforstalkborerBtcorn.Thisisduetothepoorflightabilityofcornrootwormadults.RefugerequirementsforstackedBtcornforabove‐groundpestsandrootwormsinCottonBelt(seedealersforcompleterefugerequirements)

- ForYieldGardVTTriple,AgrisureCB/LL/RW,AgrisureGT3000,AgrisureArtisian3011A:50%ofcornonafarmcanbeplantedasBtcorn.

- GenuityVTTriplePRO,SmartStax,GenuitySmartStax,AgrisureViptera3111,OptimumIntrasectXTRA:20%ofcornonafarmcanbeplantedasBtcorn.

2optionsfortherefuge:

o Commonrootworm/cornborerrefugeo Discreterootwormandcornborerrefuges

- Forcommonrefugeanddiscreterootwormrefuge:useadjacentfield,blockperimeter,orin‐fieldstrip.- Fordiscretecornborerrefuge:separatefieldscanbeusedinadditiontootherrefugeoptions.- Forsharedrefugeanddiscreterootwormrefuge:refugesmustbeadjacenttoorwithinfield.- Fordiscretecornborerrefuge:separaterefugesmustbewithin1/2mile(but1/4milepreferred).- Atleast4rows(fordiscretecornborerrefuges,atleast6rowsarerecommended).- RefugecanbesprayedwithanyinsecticideexceptBtproducts.

South Carolina P

est Managem

ent Handbook for F

ield Crops - 2017

RelativeEfficacyofVariousBtCornProducts1.(IPM‐0428.AlabamaCooperativeExtensionService)ProductTradeName(Abbreviation)

BtProtein(s) AmoutofInsectControl1 Herbi‐cdetolera‐nce5

RequiredrefugeintheSouth6

Event(s)CornEar‐worm(ear)

FallArmy‐worm(whorl)

Cornborers2(stalk)

Blackcutworm(seed‐ling)

LesserCorn‐stalkBorer3

Cornroot‐worm4(roots)

‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐Above‐ground‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐AgrisureProducts

AgrisureArtesian3010A Cry1Ab F F‐G E P G ‐ GTLL 50% Bt11,GA21AgrisureGT/CB/LL Cry1Ab F F‐G E P G ‐ GTLL 50% Bt11,GA21Agrisure3000GT,AgrsiureArtesian3011A

Cry1Ab,mCry3A F F‐G E P G F‐G GTLL 50% Bt11,MIR604,GA21

AgrisureViptera3110 Vip3Aa20,Cry1Ab E E E G G ‐ GTLL 20% MIR162,Bt11,GA21AgrisureViptera3111 Vip3Aa20,Cry1Ab,

mCry3AE E E G G F‐G GTLL 20% MIR162,Bt11,MIR604,

GA21AgrisureViptera3220 Vip3Aa20,Cry1Ab,Cry1F E E E VG VG ‐ GTLL 20% MIR162,Bt11,TC1507,

GA21HerculexandOptimumProducts

HerculexI(HX1)or(HR) Cry1F P G‐VG7 E G G ‐ LL 50% TC1507OptimumIntrasect(YHR) Cry1F,Cry1Ab F‐G VG E VG VG ‐ LLRR2 20% TC1507,MON810OptimumIntrasectXTRA(YXR)

Cry1F,Cry1Ab,Cry34Ab1/Cry35Ab1

F‐G VG E VG VG E LLRR2 20% TC1507,MON810,DAS‐59122‐7

OptimumLeptra(VYHR) Cry1F,Cry1Ab,Vip3Aa20 E E E VG VG ‐ LLRR2 20% TC1507,MON810,MIR162

YieldGardProductsYieldGardCornBorer(YGCB) Cry1Ab F F‐G E P G ‐ ‐ 50% MON810YieldGardVTTriple(VT3) Cry1Ab,Cry3Bb1 F F‐G E P G VG RR2 50% MON810,MON88017

Genuity/SmartStaxProductsGenuityVTDoublePRO(GENVT2P),GenuityDroughtGardVTDoublePRO(GENDGVT2P)

Cry1A.105,Cry2Ab2 G E E P VG ‐ RR2 20% MON89034,NK603

GenuityVTTriplePRO(GENVT3P)

Cry1A.105,Cry2Ab2,Cry3Bb1

G E E P VG VG RR2 20% MON89034,MON88017

PowerCore(Dow) Cry1A.105,Cry2Ab2,Cry1F

G‐VG E E G VG ‐ LLRR2 20% MON89034,TC1507,NK603

SmartStax(SSX,Dow)orGenuitySmartStax(GENSS,Monsanto)

Cry1A.105,Cry2Ab2,Cry1F,Cry3Bb1,Cry34Ab1/Cry35Ab1

G‐VG E E G VG E LLRR2 20% MON89034,TC1507,MON88017,DAS‐59122‐7

1E=excellent,VG=verygood,G=good,F=fair,P=poor.Excellentusuallymeansbetterthan95percentcontrol.Poormeanslessthanabout30%control.2Southwesterncornborer,Europeancornborer,andsugarcaneborer,andothers.3LepidopteranBttraitsdonotspecificallylistlessercornstalkborer(LCB)asatargetpest.4Btrootwomtraitstargetwesterncornrootwormlarvae(CRW),whichoccursinareassuchasnorthAlabamaandnorthGeorgia.Thesetraitsarenoteffectiveagainstsoutherncornrootworm.5GT=Glyphosatetolerant;LL=LibertyLink(glufosinatetolerant);RR2=RoundupReady2(glyphosatetolerant)6SeeproductInsectResistanceManagement(IRM)documentationfromtheseedcompaniesformoredetails.7ResistancetoCry1FhasbeenreportedinsomeareasoftheSoutheast.AdaptedfromD.BuntinandK.Flanders,2014,BtCornProductsfortheSoutheasternUnitedStates.BasedoninputfromentomologistsattendingtheannualSouthernFieldCropsManagementSeminar.

INSECTICIDESATPLANTING

INSECTPESTICIDE

ANDFORMULATION

RATE REI PHI PGI COMMENTS

Armyworm(fallarmyworm)

TransgenicBtcorn(seetableabovefordetails)

Insecticideinplant

‐ ‐ ‐ SeedealersforrefugerequirementsforBtcorn.

Billbugs(seedtreatment)

ClothianidinPONCHO1250orACCELERON

1.25mg(ai)/seed

Seedtreatment

ThiomethoxamCRUISER5FS1250

1.25mg(ai)/seed

Seedtreatment

Billbugs(atplantinginsecticide)

TerbufosCOUNTER15GR

6to8oz/1000ftofrow

48 60 30 Applyeitherin7inchbandorinfurrow

TelfluthrinFORCE3GR

4to5oz/1000ftofrow

0 ‐ ‐ ApplyasbandorT‐band.

Chinchbug(seedtreatment)

ClothianidinPONCHO250orACCELERONPONCHO1250orACCELERON

0.25mg(ai)/seed1.25mg(ai)/seed

‐‐

Seedtreatment

ThiomethoxamCRUISER5FS250CRUISER5FS1250

‐‐

Seedtreatment

Chinchbug(atplantinginsecticide)

TerbufosCOUNTER15GR

6to8oz/1000ftofrow

ChlorpyrifosLORSBAN4ER

CHLORPYRIFOS4EAGR

LORSBAN15G

1‐2pts/acre1‐2pts/acre8oz/1000ftofrow.

242424

212121

Applyaspreplantbroadcastgranulesorapreplantbroadcastsprayin20galspray/acormore.

R=Restrictedusepesticide;REI=re‐entryinterval;PHI=pre‐harvestinterval;PGI=pre‐grazinginterval

INSECTPESTICIDE

ANDFORMULATION

Chinchbug(atplantinginsecticide)(cont.)

TelfluthrinFORCE3GR

4to5oz/1000ftofrow

Cornearworm

Insecticideinplant

Cutworm

Insecticideinplant

Cutworm(atplantinginsecticide)

BifenthrinCAPTURE2ECRCAPTURE1.15G

0.15‐0.30oz/1000ftofrow6.4‐8oz/1000ft

ChlorpyrifosLORSBAN4ERCHLORPYRIFOS4EAGR

LORSBAN15G

1‐2pts/acre1‐2pts/acre8oz/1000ftofrow

242424

212121

EsfenvalerateASANAXLR

0.45oz/1000ftofrow

12 21 ‐ Applyinband,T‐band,orinfurrow.

Gamma‐cyhalothrinPROAXISR

0.66oz/1000ftofrow

24 21 1(green)21(fodder)

Applyinband,T‐band,orinfurrow.

Lambda‐cyhalothrinWARRIORR

0.66oz/1000ftofrow

Applyinband,T‐band,orinfurrow

PermethrinPERMETHRIN3.2ECR

POUNCE25WPR

4‐8oz/acor0.3‐0.6oz/1000ftofrow.6.4‐9.6oz/acor0.5‐0.75oz/1000ftofrow

0(green)30(fodder)0(green)30(fodder)

INSECTPESTICIDE

ANDFORMULATION

Cutworm(atplantinginsecticide)(cont.)

PermethrinPOUNCE1.5GR

8oz/1000ftofrow

TerbufosCOUNTER15GR

6to8oz/1000ftofrow

48 60 30 Applyeitherin7inchbandorinfurrow.Suppressiononly.

Zeta‐cypermethrinMUSTANGMAXR

0.16oz/1000ftofrow

12 30 60

Europeancornborer

Insecticideinplant

Lessercornstalkborer

Insecticideinplant

‐ ‐ ‐ SeedealersforrefugerequirementsforBtcorn.HerculexI,HerculexXtra,andGenuitySmartstaxprovidegood‐excellentcontrol;otherBtproductswillprovidepoor‐goodcontrol.

Lessercornstalkborer(atplantinginsecticide)

LORSBAN15G

2pts/acre2pts/acre8oz/1000ftofrow

242424

212121

0.66oz/1000ftofrow

Applyin5‐7inchT‐band,orinfurrow.Useaminimumof3gal/ac.

0.66oz/1000ftofrow

TerbufosCOUNTER15GR

6to8oz/1000ftofrow

48 60 30 Applyeitherin7inchbandorinfurrow.Supressiononly.

INSECTPESTICIDE

ANDFORMULATION

Lessercornstalkborer(atplantinginsecticide)(cont.)

TelfluthrinFORCE3GR

4to5oz/1000ftofrow

Wireworm(seedtreatment)

ClothianidinPONCHO250orACCELERONPONCHO1250or

ACCELERON

‐‐

Seedtreatment

CRUISER5FS1250

‐‐

Seedtreatment.

Wireworm(atplantinginsecticide)

BifenthrinCAPTURE2ECR

0.15‐0.30oz/1000ftofrow

12 30 30 Applyin5‐7inchT‐band.Orinfurrow.

BifenthrinCAPTURE1.15GR

CAPTURE1.15GR

6.4‐8oz/1000ftofrow3.2‐8oz/1000ftofrow

12 30 30 Applyin5‐7inchT‐band.Applyinfurrow.

ChlorpyrifosLORSBAN15G

8oz/1000ftofrow

ApplyinT‐bandorinfurrow.

0.66oz/1000ftofrow

Applyin5‐7inchT‐band,orinfurrow.Useaminimumof3gal/ac.Suppressiononly.

0.66oz/1000ftofrow

0.3oz/1000ftofrow

0(green)30(fodder)

Applyinfurrow,bandorT‐bandusingatleasta4inchband.

8oz/1000ftofrow

PhorateTHIMET20G

4.5‐6oz/1000ftofrow

48 30 30 Applyeitherin7inchband.

INSECTPESTICIDE

ANDFORMULATION

Wireworm(atplantinginsecticide)(cont.)

TerbufosCOUNTER15GR

6to8oz/1000ftofrow

TelfluthrinFORCE3GR

4to5oz/1000ftofrow

Seedcornmaggot(seedtreatment)

ACCELERON

‐‐

Seedtreatment

CRUISER5FS1250

‐‐

Seedtreatment.

Seedcornmaggot(atplantinginsecticide)

CAPTURE1.15GR

0.15‐0.30oz/1000ftofrow6.4‐8oz/1000ftofrow3.2‐8oz/1000ftofrow

Applyin5‐7inchT‐band.Orinfurrow.Applyin5‐7inchT‐band.Applyinfurrow.

8oz/1000ftofrow

0.66oz/1000ftofrow

POUNCE3.2ECR

0.3oz/1000ftofrow0.3oz/1000ftofrow

INSECTPESTICIDE

ANDFORMULATION

Seedcornmaggot(atplantinginsecticide)(cont.)

POUNCE3.2ECR

0.3oz/1000ftofrow0.3oz/1000ftofrow

8oz/1000ftofrow

PhorateTHIMET20G

TerbufosCOUNTER15GR

6to8oz/1000ftofrow

TelfluthrinFORCE3GR

4to5oz/1000ftofrow

TelfluthrinFORCE3GR

4to5oz/1000ftofrow

Southerncornrootwormlarvae(seedtreatment)

ACCELERON

‐‐

Seedtreatment

CRUISER5FS1250

‐‐

Seedtreatment.

Southerncornrootwormlarvae(atplantinginsecticide)

0.30oz/1000ftofrow

12 30 30 Applyin5‐7inchT‐band.Orinfurrow.

BifenthrinCAPTURE1.15GR

6.4‐8oz/1000ftofrow3.2‐8oz/1000ftofrow

12 30 30 Applyin5‐7inchT‐band.Applyinfurrow.

8oz/1000ftofrow

INSECTPESTICIDE

ANDFORMULATION

Southerncornrootwormlarvae(atplantinginsecticide)(cont.)

0.66oz/1000ftofrow

PhorateTHIMET20G

TerbufosCOUNTER15GR

6to8oz/1000ftofrow

TelfluthrinFORCE3GR

4to5oz/1000ftofrow

POSTEMERGENCEINSECTICIDES

INSECTPESTICIDE

ANDFORMULATION

Armyworms

Beta‐cyfluthrinBAYTHROIDXLR

1.6‐2.8oz/ac

BifenthrinCAPTURE2ECRCAPTURE1.15GR

2.1‐6.4oz/ac3.5‐8.7oz/ac

Applybroadcastinatleast10gal/acofwaterbyground.Applybroadcastwheninsectsfirstappear.

CarbarylSEVIN80S,80WSP4F,XLRPlus

1.25‐2.5lb/ac1‐2qts/ac

14(silage)48(ears)14(silage)48(ears)

CHLORPYRIFOS4EAGR

1‐2pts/acre1‐2pts/acre

ChloroantraniliprolePREVATHON

14‐20oz/ac 4 14 ‐

DeltamethrinDELTAGOLD1.5ECR

1.5‐1.9oz/ac

Forgroundapplication,useatleast5gal/acofwater.

5.8‐9.6oz/ac

12 21 ‐

2.56‐3.84oz/ac

Forcontrolof1stand2ndinstarsonly.

2.56‐3.84oz/ac

Usehigherratesforlargelarvae.

MethomylLANNATELVR

LANNATESPR

0.75‐1.5pts/ac0.25‐0.5lbs/ac

21(ears)21(ears)

INSECTPESTICIDE

ANDFORMULATION

Armyworms(cont.)

MethoxyfenozideINTREPID2F

4‐16oz/ac 4 21 21 Useonlyfortruearmyworm.Applyatfirstsignofegghatch.

POUNCE25WGR

4‐6oz/ac6.4‐9.6oz/ac

Applyatfirstsignofegghatch.

6.7‐13.3oz/ac

Applyatfirstsignofegghatch.

SpinosadTRACERBLACKHAWK

2‐3oz/ac1.1‐3.3

1(grain)3(fodder)

Applyatpeakegghatchofeachgeneration.

3.2‐4.0oz/ac

12 30 60

Chinchbug

2.1‐6.4oz/ac

12 30 30 Applybroadcastinatleast10gal/acofwaterbyground.

CarbarylSEVIN80S,80WSP

4F,XLRPlus

Usegroundequipmenttoapplyatleast20gal/acofwateranddirectspraytowardsstalk

CHLORPYRIFOS4EAGR

1.6‐2.8oz/ac

INSECTPESTICIDE

ANDFORMULATION

Chinchbug(cont.)

1.5‐1.9oz/ac

5.8‐9.6oz/ac

12 21 ‐ Sprayneedstobedirectedtowardsbaseofplant.

3.84oz/ac 24 21 1(green)21(fodder)

3.2‐4.0oz/ac

12 30 60

Cornearworm

1.6‐2.8oz/ac

2.1‐6.4oz/ac

4F,XLRPlus

CHLORPYRIFOS4EAGR

1.5‐2pts/acre1.5‐2pts/ac

14‐20oz/ac

1.5‐1.9oz/ac

5.8‐9.6oz/ac

12 21 ‐ Sprayneedstobedirectedtowardsbaseofplant.

1.92‐3.2oz/ac

Usebeforelarvaeenterstalkorear.

INSECTPESTICIDE

ANDFORMULATION

1.92‐3.2oz/ac

Cornearworm(cont.)

MethomylLANNATELVR

LANNATESPR

0.75‐1.5pts/ac0.25‐0.5lbs/ac

21(ears)21(ears)

POUNCE25WGR

Applyjustbeforesilking.

SpinosadTRACERBLACKHAWK

2‐3oz/ac2.2‐3.3

1(grain)3(fodder)

Applyatpeakegghatchofeachgeneration.

1.76‐4.0oz/ac

12 30 60

Cutworm

0.8‐1.6oz/ac

2.1‐6.4oz/ac

2.5lb/ac2qts/ac

Applyin12‐inchbandovertherowusingsufficientvolumeofwatertoobtainthoroughcoverage.Forbroadcast,useatleast20gal/acofwaterbyground

1‐1.5oz/ac 12 21 12(green)21(fodder)

INSECTPESTICIDE

ANDFORMULATION

Cutworm(cont.)

5.8‐9.6oz/ac

12 21 ‐

1.92‐3.20oz/ac

MethomylLANNATELVR

LANNATESPR

1.5pts/ac0.5lbs/ac

21(ears)21(ears)

POUNCE25WGR

6.7‐13.3oz/ac

1.28‐2.8oz/ac

12 30 60

Europeancornborer

CAPTURE1.15GR

2.1‐6.4oz/ac3.5‐8.7oz/ac

Applybroadcastinatleast10gal/acofwaterbyground.Applybroadcastatorjustbeforeegghatch.

4F,XLRPlus

1.875‐2.5lb/ac1.5‐2qts/ac

Usegroundequipmenttoapplyatleast15gal/acreofwateranddirectspraytowardsstalk.

INSECTPESTICIDE

ANDFORMULATION

Europeancornborer(cont.)

LORSBAN15G1stgeneration2ndgeneration

1‐2pts/ac1‐2pts/ac3.5‐8oz/1000ftofrow6‐8oz/1000ftofrow

24242424

21212121

14‐20oz/ac

1.6‐2.8oz/ac

Applicationmustbemadebeforelarvaeenterplant.

1.5‐1.9oz/ac

7.8‐9.6oz/ac

12 21 ‐ Spraywheneggsareinblackheadstageorbeforelarvaeenterwhorl.

2.56‐3.84oz/ac

MethomylLANNATELVR

LANNATESPR

0.75‐1.5pts/ac0.25‐0.5lbs/ac

21(ears)21(ears)

INSECTPESTICIDE

ANDFORMULATION

Europeancornborer(cont.)

MethoxyfenozideINTREPID2F

4‐16oz/ac 4 21 21 Applyatfirstsignofegghatch.Directapplicationatwhorlforearlyseason(1stgeneration).Applyasbroadcastoverrowmidandlateseason.

POUNCE25WGR

6.7‐13.3oz/ac

SpinosadTRACER

BLACKHAWK

1‐3oz/ac1.1‐3.3

7 Applyatpeakegghatchofeachgeneration.

2.72‐4.0oz/ac

12 30 60

Fleabeetle

2.1‐6.4oz/ac

12 30 30 Applybroadcastinatleast10gal/acofwaterbyground

4F,XLRPlus

CHLORPYRIFOS4EAGR

INSECTPESTICIDE

ANDFORMULATION

Fleabeetle(cont.)

0.8‐1.6oz/ac

1.0‐1.5oz/ac 12 21 12(green)21(fodder)

5.8‐9.6oz/ac

12 21 ‐

2.56‐3.84oz/ac

POUNCE25WGR

2.72‐4.0oz/ac

12 30 60

Grasshoppers

2.1‐6.4oz/ac

0.5‐1pts/acre0.5‐1pts/acre

2.1‐2.8oz/ac

INSECTPESTICIDE

ANDFORMULATION

Grasshoppers(cont.)

1.0‐1.5oz/ac

5.8‐9.6oz/ac

12 21 ‐ For1stand2ndinstarnymph,use3.9‐5.8oz/ac.Timingandgoodcoverageiscritical.Beyond2ndinstar,use5.8‐9.6oz/ac

2.56‐3.84oz/ac

2.72‐4.0oz/ac

12 30 60

Lessercornstalkborer

2pts/acre2pts/acre

Applyasbroadcastsprayinatleast15gal/acforgroundequipment.

2.56‐3.84oz/ac

Southerncornrootwormbeetles

1.6‐2.8oz/ac

2.1‐6.4oz/ac

Applybroadcast.

INSECTPESTICIDE

ANDFORMULATION

Southerncornrootwormbeetles(cont.)

1.5‐1.9oz/ac

Useatleast5gal/acforgroundapplication.

5.8‐9.6oz/ac

12 21 ‐ Applyatfirstsignofsilkfeeding.

2.56‐3.84oz/ac

MethomylLANNATELVR

LANNATESPR

0.75‐1.5pts/ac0.25‐0.5lbs/ac

21(ears)21(ears)

POUNCE25WGR

3.2‐4.0oz/ac

12 30 60 Useatleast10gal/acforgroundapplication.

INSECTPESTICIDE

ANDFORMULATION

Stinkbugs

1.6‐2.8oz/ac

2.1‐6.4oz/ac

Applybroadcast.

1.5‐1.9oz/ac

Useatleast5gal/acforgroundapplication.

2.56‐3.84oz/ac

2.72‐4.0oz/ac

12 30 60 Useatleast10gal/acforgroundapplication.

PRE‐MIXEDorCO‐PACKAGEDINSECTICIDESBRANDNAME RATE REI PHI PGI COMMENTS

COBALT(chlorpyrifos,gamma‐cyhalothrin) 7‐42oz/ac 24 32 1(green)21(fodder)

HERO(Bifenthrin,zeta‐cypermethrin) 2.6‐10.3oz/ac

12 30 30(green)60(forage)

BESIEGE(lambda‐cyhalothrin,clorantraniliprole)

5‐10oz/ac 24 21 1(green)21(fodder)

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