crop-chem-docs/corpus/epa_ppls/264-474.md

BUCTRIL 4EC

• EPA Reg No: 264-474
• Registrant: BAYER CROPSCIENCE, LLC
• Signal word: Danger
• Active ingredients: 3,5-Dibromo-4-hydroxybenzonitrile butyrate (20%); Bromoxynil heptanoate (33.5%)
• Label accepted: 1987-02-20
• Source PDF: https://www3.epa.gov/pesticides/chem_search/ppls/000359-00716-19870220.pdf

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Ie' :' • r (. ~ /- PRODUCT NUMBER 2073 CROPS: SUPPLEMENTAL LABELING BUCTRIL R 4EC HERBICIDE WEED CONTROL IN COVER CROPS ON CONSERVATION RESERVE ACRES DIRECTIONS FOR USE r---­I/° . ,i. . ) " (; Crested wheatgrasses (all), tall wheatgrass, wester wheatbrass, bluebunch wheatgrass, intermediate wheatgrass, perecolal ryegrass, fescues, bentgrasses, Kentucky bluegrass, Canby bluegrass, bahiagrass, Russian wildrye, seedling alfalfa. TARGET WEEDS: Buctril 4EC will control broadleaf weeds mentioned in the GENERAL WEED LIST found on the package label. Follow all use directions on this label and on the Buctril 4EC package label to ensure product performance and crop safety. WHEN TO APPLY: Buctril 4EC may be applied ith standard ground boom and aerial hydraulic spray systems to forage crops listed here anytime after the 2-3 leaf stage, but before weeds exceed recommended stages of growth for treatment. Seedling alfalfa may be treated anytime after the 3-trifoliate leaf stage. HOW TO APPLY: Ground Application: Use a standard herbicide boom sprayer that provides uniform and accurate application. Sprayer should be equipped wi th flat fan nozzles spaced a maximum of 20 inches apart and screens no finer than 50 mesh in the nozzle tips and in-line strainers. Apply in a minimum spray volume of 10 gallons per acre wi th minimum spray pressure of 30 psi at the "ti6zzle tips. . "" Aerial AppI1at10n: The sprayer should be equ1ppd to provide a uniform and accurate application. Use a minimum spray volumE" of 5 gallons per acre using diaphragm-type nozz)"s that produce 'cone or fan spray patterns with a maximum spray pr"ssure of 40 '1;'.>4 at the nozzle tips. Nozzles should he located no further than 3/4' the distance from the center of the aircraft to the end of, the wing or rotor. Nozzle, should be oriented at an angle 'bf''t"een straight down and straight back. The aircraft should dischrge the spray a maximum of 10 feet above the crop. To mi'l".imize drift, do not apply during periods of gusty winds or when wind exceeds 5 MPH.

I (' '- c I I Page 2 " r (7( . In order to ensure maximum safety and weed control. follow label recommendations on this label and all the cautions and limitations on the package labels of the tank mixture components. USE RECOMMENDATIONS: BUCTRIL 4EC TIMING OF APPLICATION RATE CROP WEED 1/ 3/4 Pint/l. Apply anytime in the Most Susceptible Broadleaf fall or spring after Weeds. Apply to weeds up grasses have reached to the 8 leaf stage or 4 the 2-3 leaf stage inches in height whichever or when alfalfa has comes first. If weed forms reached the 3-trifo- rosette. apply before liate leaf stage. weeds exceed 2 inches in diameter. 'I Pint/A Susceptible Broadleaf , I , , i Weeds. Apply to weeds up to the 4 leaf st.'3.ge or 2 inches in height whichever comes first. If weed forms rosette. apply before weeds exceed 1 inch in diameter. 1/ Refer to the general weed list on the Buctril 4EC package label for a complete list of susceptible weeds. BUCTRIL 4EC AND MCPA - Grass Crops Only - Do not use on alfalfa. A tank mixture of Buctril 4EC at the recommended rate + MCPA at • • 1/4 to 1/2 pound of active ingredient per acre is used to'eaden the spectrum of broadleaf weed control. The tank mixte .will:":': • • • control the ~/eeds listed on the MCPA label. In addi tion: tilo the •• •••• weeds listed on the Bu..:tril 4EC label. The rate of Buctril 4EC •••• in the tank mixture is the same as when Buctril 4EC 15. ~sed ••••• alone. See BUCTRIL 4E: RECOMMENDATIONS. .,. ..: •• ' • • • •• • Buctril 4EC + MCPA tank mixtures can.be applied after the ~.1eaf'·:··: stage but before the crop reaches the boot stage. Apply only to •• the following grass species: Crested wheatgrasses· ••• ~ll··:··: •••• wheatgrass. blue bunch wheatgrass. intermediate wheatgrass •• Baeep fescue. canby bluegrass. Russian wildrye. D, not apply:to alfalfa. Page 3

'", ." ( • USE RESTRICTIONS: Do not allow livestock to graze treated fields. Do not feed treated grasses or alfalfa to livestock. Do not apply Buctril 4EC + MCPA tank-mixtures to alfalfa. Mix with clee.n water only. do not use spray additives or fluid fert:lizers ~S crop injury may occur. Do not apply Buctril 4EC to alfalfa :lhen air temperatures exceed 80·F as crop injury may occur. This labeling must be in the possession of the user at the time of pesticide application. All applicable directions. restrictions. and precautions on the Buctril 4EC and MCPA package labels are to be followed. • • •••••• • •• • •• • • •• • •• • •• • • •• • • • • • •• •• • •• • • •• •• • •••• • •• •• • •••••• • •• • • • ••••• • • •• ••••• • • • •••• • • ••••• • • •• •••••• • • • •••