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SnapshotID: 54468

Active ingredients

Imazapyr Isopropylamine Salt

Classification

B

Herbicide

WSSA mode of action

2Inhibition of acetolactate synthase ALS (acetohydroxyacid synthse AHAS)

Registration

EPA:241-431

Pests

PigweedBluegrass, AnnualPrivet, CommonAlder, RedAlligatorweedKnotweed, JapaneseBarley, LittleBindweed, Field/EuropeanBishopsweed, MockMorninggloryMulberryBluegrass, CanadaBluegrass, KentuckyBrome, DownyBrome, SmoothBeardgrassBluestem, BigTansymustardBuckwheat, WildPoplarBedstrawFeathertopPuncturevineCanarygrass, ReedSweetcloverCarpetweedCarrot, WildGoosegrassSaltcedarCheat /CheatgrassChickweed, CommonChinaberryClover, WhiteGrape, WildCherryCogongrassCordgrass, PrairieVirginia-creeperCrowfootgrassHawthornDaisy, OxeyeDallisgrassDandelionSmartweedDogfennelDropseed, SandTorpedograssKochiaGeranium, CarolinaGoosefoot, NettleleafDogwoodMilkweedSumacGuineagrassBlackgumCypress, Bald/SwampPoison-ivyKnapweed, RussianKudzuLambsquarters, CommonBeech, AmericaLocust, BlackMaidencaneMallow, LittleMaple, BigleafMaple, RedMelaleucaHoneysuckleFoxtail /Bottlegrass/PigeongrassFleabaneCupgrass, WoollyLovegrassFilareeMuhly, WirestemMustard, IndianQuackgrassElmRose, Wild/BriarNightshade, SilverleafBahiagrassOat, WildRussian-oliveOrchardgrassSignalgrass, BroadleafPepperweed /PeppergrassPanicum, TexasPanicum, BrowntopParagrassParsnip, WildPeppertree, BrazilianPersimmon, Common/EasternPondweed, SagoJohnsongrassYellow-poplar/Tulip TreeLespedezaPanicum, FallRabbitbrush, Gray/RubberRagweed, Common/ShortRyegrass, Italian/Annual/CommonItchgrassBurdockSandbur, FieldSorrelBox ElderGreenbrierWillowFescueWoodsorrel, YellowSweetgumTallowtree, ChineseSandbur/Grassbur/SandspurThistle, CanadaThistle, RussianThreeawn, PrairieTimothySprangletopTrumpetcreeperVaseygrassVervain, Hoary/TallMapleBarnyardgrass/WatergrassLettuce, Miner'sSignalgrassBindweed, HedgeBermudagrassWitchgrassHickory/Hickory NutMulleinCattailCloverLocust, HoneySunflowerRose, MultifloraRose, MacartneySassafrasReed, GiantSowthistleRagweed, GiantAshSourwoodSaltgrassLettuce, WildThistle, TexasRue, AfricanButtercup, SmallflowerJunglegrassBarley, WildOakCrabgrassRedvineJohnsongrass, SeedlingPhragmitesBursage, woollyleafTurnip, WildPrimrosePhragmitesArrowwoodCogongrassCogongrassCogongrass

Sites

Pasture, GrassRangelandVine CropNonplanted/Noncrop AreasBramblePerennialsBiennialsBahiagrass, UnimprovedBermudagrass, UnimprovedAsphalt, InPaved Surfaces, UnderTurf, Industrial/UnimprovedGrass/Turf, Cool SeasonPond Liners, UnderBermudagrass, Suppression

Temperature range

Min 10° F
Max
Restrictions

Available for use in the following states

Available

Not available

Caution
Product safety

Protections

Early entry
Protective eyewear Coveralls Shoes plus socks Chemical-resistant gloves made of any waterproof material.
Personal Protection
Long-sleeved shirt and long pants Shoes plus socks Chemical-resistant gloves for all mixers and loaders, plus applicators using handheld equipment
Restricted Entry Interval
48 hours

Precautions

May be exposed to direct sunlight

Is not vulnerable to flame or sparks

May be stored in a damp place

May be stored in a warm place

Should not be frozen

Supplemental Labels
  • For the control of cogongrass (Imperata cylindrica) in areas that may be grazed or cut for hay (FL)
  • For the control of cogongrass (Imperata cylindrica) in areas that may be grazed or cut for Hay (MS)
  • For the control of cogongrass (Imperata cylindrica) in areas that may be grazed or cut for hay (AL)
  • Reduced Use Rate for Low Volume Foliar Applications with Backpacks for Brush Control (NY)