CHAPARRAL

CORTEVA AGRISCIENCE LLC · Aminopyralid, potassium salt 62.13%; Metsulfuron-methyl 9.45% · EPA Reg 62719-597 · HERBICIDE Document last checked 2017-06-02

About this product

Active ingredient Aminopyralid, potassium salt 62.13%; Metsulfuron-methyl 9.45%

Manufacturer CORTEVA AGRISCIENCE LLC

Category HERBICIDE

Full details for CHAPARRAL

EPA registration data Reg. 62719-597 — registry reference, signal word and status.

Applicator discussion

Nothing here is label direction — the label is the law. These are notes from other applicators, moderated before they appear. Check the labeling accompanying the product and applicable state requirements.

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According to the label From the product label

These details were extracted from this product's label PDF. The label is the law. Confirm every rate, site, restriction and safety requirement against the label before mixing or applying. Check for a state supplemental label; a product may be restricted or prohibited in a state or site even when a rate appears below. · EPA registration data for Reg. 62719-597 →

Chaparral Herbicide is a herbicide formulated with UAN and AMS. It is used to control target weed species in established pastures, rangeland, and CRP. This product is applied via broadcast application over grass that was planted at least 4 months prior to treatment.

Pests covered (157)

COMMON LAMBSQUARTERSMEXICANTEAHALOGETONKOCHIARUSSIAN THISTLECOMMON YARROWCOMMON RAGWEEDWESTERN RAGWEEDMAYWEEDSTINKING MAYWEEDCOMMON BURDOCKABSINTH WORMWOODASTERGARLIC MUSTARDPIGWEEDMULLEINSPINY AMARANTHCOMMON FIDDLENECKHOUNDSTONGUEHONEYSUCKLEWESTERN SNOWBERRYBUCKBRUSHCORALBERRYCORN COCKLECONICAL CATCHFLYBLADDER CAMPIONCOMMON CHICKWEEDCOW COCKLERYEGRASSPENSACOLA BAHIAGRASSANNUAL MARSHELDERPURPLE LOOSE STRIFEBEDSTRAWBURR BUTTERCUPBLACK HENBANETROPICAL SODA APPLEHORSENETTLECAROLINA HORSENETTLESILVERLEAF NIGHTSHADEPOISON HEMLOCKWILD CARROTWILD PARSNIPVERVAINMARESTAILYUCCABLACK MEDICSWEETCLOVERMIMOSAKUDZUBLACK LOCUSTWHITE CLOVERCOMMON VETCHWILD GARLICARROWLEAF SIDAFIREWEEDCUTLEAF EVENINGPRIMROSEYELLOW WOODSORRELBUCKHORN PLANTAINBROADLEAF PLANTAINPROSTRATE KNOTWEEDTEASELSCOURINGRUSHWOOLLY CROTONSPOTTED SPURGESNOW-ON-THE-MOUNTAINREDSTEM FILAREECAROLINA GERANIUMSMALLSEED FALSEFLAXSHEPHERDSPURSEBITTERCRESSWHITETOPBLUE MUSTARDBUSHY WALLFLOWERDYERS WOADPERENNIAL PEPPERWEEDJIM HILL MUSTARDWILD MUSTARDBEGGARTICKSSPANISHNEEDLESPLUMELESS THISTLEMUSK THISTLEITALIAN THISTLEKNAPWEEDPURPLE STARTHISTLEDIFFUSE KNAPWEEDSPOTTED KNAPWEEDRUSSIAN KNAPWEEDYELLOW STARTHISTLERUSH SKELETONWEEDOXEYE DAISYCHICORYCANADA THISTLEBULL THISTLEBLESSED THISTLEHORSEWEEDPLAINS COREOPSISANNUAL FLEABANEYANKEEWEEDPURPLE CUDWEEDGUMWEEDANNUAL BROOMWEEDBROOM SNAKEWEEDBITTER SNEEZEWEEDCOMMON SUNFLOWERCAMPHORWEEDORANGE HAWKWEEDYELLOW HAWKWEEDPOVERTYWEEDPRICKLY LETTUCECHAMOMILESCOTCH THISTLEBRISTLY OXTONGUECAROLINA FALSEDANDELIONBLACKEYEDSUSANTANSY RAGWORTMILK THISTLEGOLDENRODPERENNIAL SOWTHISTLEANNUAL SOWTHISTLECOMMON TANSYCOMMON DANDELIONWESTERN SALSIFYTALL IRONWEEDWESTERN IRONWEEDCOCKLEBURARTICHOKE THISTLECOMMON CRUPINAWATERPODSEASIDE ARROWGRASSHENBITHORSE MINTBEEBALMCAMELTHORNPARTRIDGEPEASICKLEPODREDBUDCROWNVETCHHONEYLOCUSTWILD LICORICELESPEDEZASERVICEA LESPEDIZABURCLOVERPENNSYLVANIA SMARTWEEDLADYSTHUMBDOCKRED SORRELBRACKEN FERNMINERSLETTUCECOMMON PURSLANETALL BUTTERCUPHAIRY BUTTERCUPCINQUEFOILCHEROKEE ROSEPRAIRIE ROSEMULTIFLORA ROSEBLACKBERRYDEWBERRY

Areas treatable (20)

Established Pastures, Rangeland, and CRPRANGELAND (FOLIAR TREATMENT)PASTURES (GRASS) (FOLIAR TREATMENT)GRASSES (HAY) (FOLIAR TREATMENT)GRASSES (FORAGE) (FOLIAR TREATMENT)GRASSES (SILAGE) (FOLIAR TREATMENT)ROADSIDES (FOLIAR TREATMENT)AERIAL APPLICATIONRIGHTS-OF-WAY (RAILROAD) (FOLIAR TREATMENT)RIGHTS-OF-WAY (COMMUNICATION) (FOLIAR TREATMENT)RIGHTS-OF-WAY (PIPELINE) (FOLIAR TREATMENT)INDUSTRIAL SITES (FOLIAR TREATMENT)CAMPGROUNDSTANK MIXNONCROP AREAS (FOLIAR TREATMENT)RECREATIONAL AREAS (FOLIAR TREATMENT)DITCH BANKS (FOLIAR TREATMENT)TRAILS (FOLIAR TREATMENT)RIGHTS-OF-WAY (UTILITY) (FOLIAR TREATMENT)CONSERVATION RESERVE PROGRAM LAND (FOLIAR TREATMENT)

Application instructions from the label 1

Established Pastures, Rangeland, and CRP

Mixing instructions 4

Amount	Per	Finished strength	Label notes
4 quarts	acre	UAN	under arid conditions
4 pounds	acre	AMS	under arid conditions
1/4 pt	100 gal of spray solution	0.03% v/v	non-ionic surfactant; necessary if using low rates of liquid nitrogen fertilizer (less than 50% of the spray solution volume)
1/2 to 1 pint	100 gallons		reduced rate of non-ionic surfactant on tall fescue pastures

Timing & weather

With fall applications, do not plant grasses the following spring.
In general, Chaparral may be applied in the spring or early summer, depending on the target weed species, as a broadcast application over grass that was planted at least 4 months prior to the

Use restrictions 7

Do not overseed ryegrass for 4 months after treatment.
Do not use a spray adjuvant other than non-ionic surfactant.
Do not add spray adjuvants when using Chaparral in tank mix with 2,4-D ester and liquid nitrogen fertilizer solutions.
Do not use low rates of liquid fertilizer as a substitute for spray adjuvants.
Do not use with liquid fertilizer solutions with a pH less than 3.0.
Do not use Chaparral with spray additives that reduce the pH of the spray solution to below 3.0.
If products containing the same active ingredient are mixed, do not exceed the maximum allowable active ingredient use rates.