South Carolina Pest Management Handbook for Field Crops - 2017
SMALLGRAININSECTCONTROL
DavidGunter,ExtensionFeedGrainSpecialist
Pest
aphids
Product
SeedTreatments
EnhanceAW
Gaucho600,
Axcess,
Attendant600
GauchoXT
Cruiser5FS
NipsItInside
Foliar
KarateZ,others
Warrior,Silencer,
others,1EC
BaythroidXL1EC
Declare,Prolex
Proaxis0.5
Sivanto
Transform
Rate/acre
4.0oz/100
lb
0.8floz/
100lb
3.4floz/
100lb
1.0floz/
100lb
0.75‐1.79fl
oz/100lb
1.3–1.9oz
(1gal/100‐
66ac)
2.6–3.8oz
(1gal/50‐33
ac)
2.4floz
(1gal/53
ac)
1.0–1.5fl
oz
(1gal/128‐
85ac)
2.6–3.8fl
oz
(1gal/49‐
33ac)
7–10.5floz
0.75floz
Comments
Preventativeaphidtreatmentforbarleyyellowdwarf
virussuppressionisrecommendedforhighyieldwheat
andoatproductionunderSCconditions.Eitherseed
treatmentorfoliarpyrethroidapplicationareboth
effective.
Seedtreatmentsprovideearlyseasoncontrolofaphids
andbarleyyellowdwarf.Seedtreatmentsalsosuppress
Hessianfly,butwillnotcontrolheavyHFinfestations.For
Hessianflysuppression,EnhanceAW4oz/100lb,1.6fl
oz/100lbGaucho600,or1.33floz/100lbCruiseris
recommended.
AfoliarpyrethroidapplicationintopdressNbymid‐
February(earlyFeb.betteryet)isalsohighlyeffectivein
suppressingaphidvirustransmission.
Aphidtreatmentsaremostlikelytobeprofitableonearly‐
plantedhigh‐yield‐potentialwheat(60+bu/ac).Thekey
pestistheoat‐birdcherryaphidwhichisthemajor
vectororcarrierofbarleyyellowdwarfvirus.Thisaphid
typicallyhasadarkgreenbodywithreddishareaonthe
“rearend”.
Ifpreventativetreatmentwasnotpreviouslyapplied,
aphidtreatmentisrecommendedifyoufind8oat‐bird
cherryaphidsperrowfootpriortojointing.
Oatsaremoresusceptibletobarleyyellowdwarfthan
wheat.EnhanceAWhopperboxseedtreatmentis
recommendedtocontrolaphidsandsmutonoats.Ifa
foliarpyrethroidisusedtocontrolaphidsonoats,
treatmentshouldbeearlier(Dec.–Jan.)thanon
wheat.
Karate,Warrior,Silencerhavebeenparticularlyeffective
insuppressingbarleyyellowdwarfvirusonoatsand
wheatandgivingseason‐longprotectionagainstlater
headinfestationbyEnglishgrainaphidsonwheat.
Englishgrainaphids(lightgreenbodieswithlongblack
“exhaustpipes”protrudingupwardfromrearend)
increaseduringjointingandmovetoheadsasthey
emergeinApril.
ThetreatmentguidelineforEnglishgrainaphidis2‐
3/stemduringjointing;5/stematheademergenceto
blooming;10/stematmilk;doughstageistoolateto
spray.Wheattreatedearlierforvirusprevention
shouldnothavesignificantaphidinfestationofthe
heads.
212 South Carolina Pest Management Handbook for Field Crops - 2017
Pest
CerealLeaf
Beetle
Product
BaythroidXL
KarateZ,others
Warrior,Silencer,
others,1EC
MustangMAX
Respect0.8EC
Declare,Prolex
Proaxis0.5
Tombstone2.0
Blackhawk
True
Armyworm
BaythroidXL1EC
KarateZ,others
Warrior,Silencer,
others,1EC
LannateLV
Lannate90SP
MustangMAX
Respect0.8EC
Declare,Prolex
Proaxis0.5
Radiant1SC
Tombstone2.0
Blackhawk
Rate/acre
1.0–1.8fl
oz
1.3–1.9oz
2.6–3.8oz
2.6–3.2oz
1.0–1.5fl
oz
2.6–3.8fl
oz
2.4oz
1.1–3.3oz
1.8–2.4fl
oz
1.9oz
3.8oz
1.5pt
0.5lb
3.2oz
1.5floz
3.8fl
3–6oz
2.4oz
1.1–3.3oz
Comments
CerealleafbeetlesfirsthatchoutinMarchandpeak
feedingoccursinApril.Treatifyouhave1larvaon
everyotherstem(averageof0.5larvae/stem).
Karate,Warrior,Silenceralsoprovideseason‐longaphid
control.
Donotmakemorethan2applicationsofBlackhawkper
season.Ifadditionaltreatmentsarerequired,rotateto
anothereffectiveclassofinsecticides.
Treatwhenarmywormpopulationsreach2perdrill
ft.Truearmyworminfestationsusuallyoccurafterflag
leafemergence.
KarateorWarriortreatmentalsoprovidesseason‐long
aphidcontrol.
Donotmakemorethan2applicationsofBlackhawkper
season.Ifadditionaltreatmentsarerequired,rotateto
anothereffectiveclassofinsecticides.
213 South Carolina Pest Management Handbook for Field Crops - 2017
Pest
Fall
Armyworm
Grasshoppers
SpiderMites/
WinterGrain
Mite
Product
Rate/acre
Sevin80S
SevinXLR
Sevin4F
KarateZ,others
Warrior,Silencer,
others,1EC
LannateLV
Lannate90SP
MustangMAX
Respect0.8EC
Declare,Prolex
Proaxis0.5
Radiant1SC
Tombstone2.0
Blackhawk
BaythroidXL
KarateZ,others
Warrior,Silencer,
others,1EC
Malathion8EC
Malathion57EC
MethylParathion4
EC
Penncap‐M
MustangMAX,
Respect0.8EC
Declare,Prolex
Proaxis0.5
Tombstone2.0
MethylParathion4
EC
Penncap‐M
1.75lb
1.5qt
1.5qt
1.9oz
3.8oz
1.5pt
0.5lb
3.2oz
1.5floz
3.8floz
3–6oz
2.4oz
1.7–3.3oz
2.4floz
1.9oz
3.8oz
1.25pt
2.0pt
1pt
2‐3pt
3.2–4.0oz
1.5floz
3.8floz
2.4oz
1–1.5pt
2‐3pt
Comments
Treatifthestandisthreatenedbeforefrost.Fall
armyworminfestationsmayoccuronearlyplanted
seedlingstagesmallgrain.
Donotmakemorethan2applicationsofBlackhawkper
season.Ifadditionaltreatmentsarerequired,rotateto
anothereffectiveclassofinsecticides.
Grasshopperstypicallyattackwheatafterflagleaf
emergence.Therearenowellestablishedthresholdsfor
grasshoppertreatment.Preventflagleafdefoliation.
Treatwhenmitesarepresentandcausingleaf
discoloration.Lateseason(doughstage)populationsare
unlikelytocauseeconomicinjury.
214 South Carolina Pest Management Handbook for Field Crops - 2017
Pest
Product
Rate/acre
Comments
HessianFly
VarietalresistanceisthemosteconomicalwaytomanageHessianfly.HFresistance
declinesovertimeandvariesbylocationdependingonthepredominantracesofHessianfly
present.Treatsusceptiblevarietiesonfarmswithahistoryofeconomicdamage.Proximityto
wheatstubblefrompreviouscropincreasesHFrisk.Whenpossible,trytorotatewheat
blocksatleast1/3–1/2mileawayfrompreviousyear’sstubble.Wheatplantedinthe
coastalplainbefore15NovismostsusceptibletoHF.Wheat,barley,andtriticaleare
susceptibletoHF.RyehaslowsusceptibilitytoHessianflyandoatsareimmunetoanyinjury.
HessianFly
(continued)
SeedTreatment
EnhanceAW
Gaucho600,Axcess
Attendant600
Cruiser5FS
GauchoXT+
Gaucho600
Cruiser5FS
Foliar
KarateZ,others
Warrior,Silencer,
others,1EC
Declare,
Proaxis
Barleyistolerant.Damageonlyoccursundersevere
4oz/100lb infestations.Ryeishighlyresistantandoatsareimmune
toHessianfly.
2.4floz/100 SeedtreatmentswillsuppressbutnotcontrolHessianfly.
lb
Seedtreatmentsalsoprovideearlyseasoncontrolof
aphidsandbarleyyellowdwarf.EnhanceAWandGaucho
XTalsocontrolsmutandcertainseedlingdiseases.
GauchoXTonlyhasone‐halftheinsecticideactive
3.4floz+
ingredientofthe1.6ozrateofGaucho600.Adding0.8oz
1.0floz/
Gaucho600toGauchoXTgivesthesamelevelofa.i.as1.6
100lb
ozGaucho600.
1.33floz/ 100lb
Foliartreatmentatearlypostemergence(2‐4leafstage)
mayreducefallinfestationonsusceptiblevarieties.March
treatment(jointing)timedtospringHFegglayingis
1.9oz
recommendedif10%ofstemsareinfestedbyFebruary.
3.8oz
1.54oz
3.84oz
Insecticideseedtreatmentnote:Theamountofinsecticideactiveingredientactuallyappliedto100lbofseed
forlabeledratesofimidiclopridformulationsisasfollows:EnhanceAW4oz(0.05lbai);GauchoXT3.4floz(0.03
lbai)+Gaucho6001.6floz(0.06lbai)=0.094ai;Gaucho6002.4floz(0.094ai).
215 South Carolina Pest Management Handbook for Field Crops - 2017
SmallGrainInsecticideUsePrecautions
ActiveIngedient
BrandName
beta‐cyfluthrin
carbaryl
cyfluthrin
flupyradifurone
BaythroidXL1EC
Sevin
Tombstone2.0
Sivanto200SL
imidacloprid
lambda‐
cyhalothrin
gamma
cyhalothrin
malathion
EnhanceAW,
Gaucho
KarateZ2.08
Warrior
Declare,Proaxis0.5
Pre‐Harvest
(Days)
30
21
30
21
SmallGrainsLabeled
45
7
7
7
nograzing
restriction
45
wheat
wheat,triticale
wheat,triticale
wheat,oats,barley,rye,
triticale
wheat,oats,barley
30
7
30
7
wheat,oats,barley,rye,
triticale
wheat,triticale
Malathion
7
7
methomyl
Lannate
7
10
methylparathion
Methyl4EC
Penncap‐M
Radiant1SC
15
15
21
3
21
21
14
seedtreat.
14
oncematerialdries
7
nograzing
restriction
14
spinetoram
spinosad
sulfoxaflor
thiamethoxam
Tracer
Blackhawk
Transform50WG
Cruiser5FS
zeta‐
cypermethrin
MustangMAX
Respect0.8EC
14
Pre‐Grazing(Days)
216 wheat,oats,barley,rye,
triticale
wheat,oats,barley,rye,
triticale
wheat,oats,barley,rye,
triticale
wheat,oats,barley,rye,
triticale
wheat,oats,barley,rye,
triticale
wheat,barley,triticale
wheat,barley,triticale
wheat,triticale
South Carolina Pest Management Handbook for Field Crops - 2017
STOREDSMALLGRAININSECTPROTECTION
Treatment
Centynal
DiaconIGR,
DiaconDIGR
Nylar
StorcideII
Tempo
TempoSCUltra
Treatment
Phostoxin
Phosfume
Weevil‐cide
Profume
Treatment
StorcideII
DiaconIGR
DiaconDIGR
Centynal
Diatomaceousearth
DEInsecto
BiobitHP
DipelDF
Javelin
DiaconIGR,
DiaconDIGR
Diatomaceousearth
DEInsecto
Treatment
Alphosphide
Mgphosphide
ProFume
ECO2FUME
RobertG.Bellinger,Entomology&ExtensionPesticideCoordinator
EmptyBinResidualTreatment
Comments
Donotallowrunoff,forresidualuseonly
Diaconwillnotkilladults,onlyimmatures.
Insectgrowthregulator
Applicationcanonlybemadefromoutsidebinusingautomatedequipment.Seelabel.
Applytoallinteriorsurfacesandallowtodrybeforestorage.Donotapplytograin.
Seelabel.
EmptyBinFumigation
Comments
Fumigateemptybinafterthoroughbinclean‐outandinteriorresidualtreatment.
ExtremelytoxicRUPwithstrictapplicationprocedures.Noresidualcontrol.
ForuseonlybylicensedfumigatorstrainedunderDowAgroSciences’PRECISION
FUMIGATIONProgram.
GrainProtectants
Rate
Comments
12.5oz/5gal/1000buwheat
Applytograinstreamasacourse
9.9oz/5gal/1000bubarley
spray.Seelabel.
6.6oz/5gal/1000buoats
14floz/1000buwheat
Seelabel.
12floz/1000bubarley
8floz/1000buoats
8–10lb/1000bu(wheatoats,barly,rye,
Applydustasuniformlyaspossible.
triticale)
Seelabel.
7.3–9.1fl.ozs./5gal.water/1,000bu.
Seelabel
(wheatoats,barly,rye)
1‐2lbs./tonofgraintotop2‐3ft.ofgrain.
Maymeetorganicrequirements.
GrainTopdressing
Btproducts.1lb./10‐20gal.water/1,000sq.ft.Applyandrakeintotop4inchesof
grain;seelabelinstructions.
1ml./1000sq.ft.Diaconwillnotkilladults,onlyimmatures.
8lbs/1000sq.ft.Raketodepthof1foot.
4lbs./1,000sq.ft.EspeciallyforIndianmealmoths.Applyatmonthlyintervals.May
meetorganicrequirements.
GrainFumigants
Comments
Fumigationshouldonlybeperformedbytrainedandcertifiedapplicators.Consult
labelsforcertification/licensingrequirements.
217