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Butyrac® 175 is a selective herbicide that can be used to control a variety of annual and perennial broadleaf weeds in soybeans and peanuts. When premixed with other soybean herbicides as directed on the label, Butyrac® 175 can help to reduce the competition from early weed populations that can negatively impact yields.

Functions: Herbicide

Herbicide Target Species: Broadleafs

HRAC/WSSA Group: 4

Application Technique: Aerial Application, Ground Soil Applied, Post-Emergence, Pre-Emergence, Sprayers

Formulation Type: Concentrate Solutions

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Knowde Enhanced TDS

Identification & Functionality

HRAC/WSSA Group
Agrochemical Functions
Technologies
Composition
  • Active Ingredient: 23.0% [4-(2,4-Dichlorophenoxy)butyric acid, dimethylamine salt* ] 
  • Other Ingredients - 77.0%

*4-(2,4-Dichlorophenoxy)butyric acid equivalent 19.5% by weight or 1.75 pounds per gallon.

Features & Benefits

Product Features
  • Butyrac® 175 can be premixed with other EPA registered herbicides for use in soybeans to help to minimize weed resistance.
  • Butyrac® 175 can be applied to registered use areas by ground and aerial application equipment.
  • Butyrac® 175 will control or suppress pigweed (3-inch maximum height) and lambsquarters (1-inch maximum height) that may be resistant to glyphosate.
Product Information

ACTIVE INGREDIENT: 2,4-DB

HERBICIDE GROUP: 4

ACTIVE INGREDIENT PER GALLON: 1.75 lbs.

MODE OF ACTION: Synthetic auxin growth regulator

PACKAGING: 4x1’s, 2x2.5’s and 30’s

Applications & Uses

Applicable Crop
Herbicide Target Species
Product Use Rate

  SOYBEANS Butyrac® 175 Broadleaf Herbicide Directions

PRODUCT RATE APPLICATION TIMING AND SPECIFIC COMMENTS
CROP WEEDS
Preplant through pre-emergence Butyrac® 175 + Non-ionic surfactant 0.8–1.0 pint/A + 0.5% V/V Apply to soybeans before planting or before crop emergence. For control of emerged cocklebur, annual morningglories and other susceptible broadleaf weeds, apply when weeds are small and actively growing (see WEED LIST). Butyrac® 175 may not give complete control of larger overwintered mustards. Best results will be achieved by adding a non-ionic surfactant at a 0.5% V/V to the spray tank when making a preplant or preemer- gence application of Butyrac® 175.
Post-emergence broadcast (over the top) Butyrac® 175 0.8–1.0 pint/A Apply to soybeans grown in the Southern states only from 7 to 10 days before bloom up to mid-bloom when soybeans are about knee-high and growing actively. Soybean foliage should be dark green indicating that nodulation and nitrification are under way. Post emergence broadcast application at these rates prior to or after this application timing is not recommended as reduced flowering and yield may result. DO NOT APPLY Butyrac® 175 postemergence broadcast to soybeans grown in the midwest states of IA, IL, IN, KS, KY (except the Purchase area), MO (except the MO bootheel), MI, MN, NE, ND, OH, SD and WI. For control of emerged cocklebur, annual morningglories and other susceptible broadleaf weeds, apply when weeds are small and actively growing (see WEED LIST).
Post-emergence directed band Butyrac® 175 0.8–1.8 pint/A Apply when soybeans are 8 or more inches tall with sprayer nozzles mounted to insure proper placement of spray on only the lower 1/3 of the soybean plants. Do not allow spray to contact growing terminals of beans as excessive crop injury will result. Do not mount nozzles on booms with drop pipes or on cultivators without gage wheels. Use flat fan type nozzles, 8001 or larger or the equivalent with nozzle pressure less than 30 psi and at least 10 gallons of spray volume per acre. To control emerged cockleburs and annual morningglories up to 3 inches tall, apply 0.8 to 1.0 pint/A per broadcast acre as a directed band treatment. To control other susceptible broadleaf weeds up to 1 inch tall, apply 1.6 to 1.8 pints per broadcast acre as a directed band treatment. Apply no more than 2 higher rate applications per season to reduce the potential for crop stunting
RESTRICTIONS AND LIMITATIONS FOR USE ON SOYBEANS

Beans stressed by drought or other influences should not be sprayed.

Do not use this product on soybeans that show symptoms of disease such as Phytophthora root rot.

Do not graze or feed soybean hay within 60 days after application of Butyrac® 175 tank-mix application.

Do not harvest beans within 60 days after spray application.

Do not treat soybeans with a tank mixture of Butyrac® 175 Broadleaf Herbicide and SEVIN® Carbaryl Insecticide as severe injury may result.

When preplant through preemergence treatment is followed with a Butyrac® 175 postemergence application, the cumulative rate should not exceed 1.8 pints per acre per season.

Follow all restrictions and limitations of any product used in tank mixture with Butyrac® 175.

Do not use Butyrac® 175 alone or in tank mixture as a preplant through preemergence application to soybeans in California

PEANUTS Butyrac® 175 Broadleaf Herbicide Directions

PRODUCT RATE APPLICATION TIMING AND SPECIFIC COMMENTS
CROP WEEDS
Butyrac® 175 0.9–1.1 pint/A Apply to peanuts 2 to 12 weeks after planting in the states of AL, AR, FL, GA, LA, NC, SC, TN and VA. In NC, SC and VA, do not apply later than 45 days before harvest. For control of annual morningglories, cocklebur and other broadleaf weeds, apply when weeds are small and actively growing (see WEED LIST). For late germinating Tcocklebur and morningglory, apply a second application about 3 weeks after the first application
0.9–1.8 pint/A Apply to peanuts 2 to 12 weeks after planting in the states of OK, TX and NM only. Butyrac® 175 may be applied twice during the season, but the second application should not be made later than 100 days after planting or 30 days before harvest. Use the low rate on morningglory and cocklebur up to 12 inches in size. Use the higher rate on other weeds. For best suppression of prickly sida, space the treatments 14 days apart.
RESTRICTIONS AND LIMITATIONS FOR USE ON PEANUTS

Do not feed treated peanut vines or peanut hay to livestock.

Do not apply Butyrac® 175 Broadleaf Herbicide if peanut plants are under stress from drought as injury may occur.

Do not apply to peanuts within 60 days of harvest.

Weed List

Butyrac® 175 Broadleaf Herbicide will control or suppress the following weeds depending on weed size.

COMMON NAME BOTANICAL NAME MAXIMUM SIZE CONTROLLED*
Pigweed (carelessweed) Amaranthus spp. 36 inches
Morningglory Ipomoea spp. 36 inches
Cocklebur Xanthium spp. 36 inches
Velvetleaf Abutilon theophrasti 1 inch
Virginia copperleaf Acalypha virginica 1 inch
Prickly sida (teaweed) Sida spinosa 1 inch
Common ragweed Ambrosia artemisiifolia 1 inch
Jimsonweed Datura stramonium 1.5 inches
Devilsclaw Proboscidea louisianica 2 inches
Thersal croton Croton lindheimeri 1 inch
Lambsquarters Chenopodium album 1 inch
Wild mustard Singois arvensis 1 inch
Field pennycress Thlaspi arvense 1 inch

*Growth of larger weeds will be only suppressed

Directions for use

It is a violation of Federal law to use this product in a manner inconsistent with its labeling. Read entire label before using this product. Do not apply this product in a way that will contact workers or other persons, either directly or through drift. Only protected handlers may be in the area during application. For any requirements specific to your State or Tribe, consult the agency responsible for pesticide regulations.

Properties

Formulation Type
Physical Form

Regulatory & Compliance

Chemical Inventories

Safety & Health

Precautionary Statements

DANGER. Corrosive. Causes irreversible eye damage. Harmful if swallowed. Do not get in eyes or on clothing. Avoid contact with skin.

Personal Protective Eqiupment

Some materials that are chemical-resistant to this product are butyl rubber, natural rubber, neoprene or nitrile. If you want more options, follow the instruc- tions for Category A on an EPA chemical-resistance category selection chart.

Applicators and other handlers must wear:

  • Long-sleeved shirt and long pants ¢ Shoes plus socks 
  • Chemical-resistant gloves
  • Protective eyewear
  • Chemical-resistant apron when mixing/loading, cleaning up spills, cleaning equipment, or otherwise exposed to concentrate.
User Safety Recommendations

Users should:

  • Wash hands before eating, drinking, chewing gum, using tobacco or using the toilet.
  • Remove clothing/PPE immediately if pesticide gets inside. Then wash thoroughly and put on clean clothing.
  • Remove PPE immediately after handling this product. Wash the outside of gloves before removing. As soon as possible, wash thoroughly and change into clean clothing.
Environmental Hazards

This product chemical is toxic to fish. Do not apply directly to water, to areas where surface water is present or to intertidal areas below the mean high water mark. Do not contaminate water when disposing of equipment washwaters or rinsate. Drift and runoff from treated areas may be hazardous to aquatic organisms in neighboring issues. Do not contaminate water when disposing of equipment washwaters. Do not contaminate water intended for irrigation or domestic purposes. Do not apply when weather conditions favor drift from target area. Groundwater Contamination: Most cases of groundwater contamination involving phenoxy herbicides such as 2,4-DB have been associated with mixing/loading and disposal sites. Caution should be exercised when handling 2,4-DB pesticides at such sites to prevent contamination of groundwater supplies. Use of closed systems for mixing or transferring this pesticide will reduce the probability of spills. Placement of the mixing/loading equipment on an impervious pad to contain spills will help prevent groundwater contamination. This chemical has properties and characteristics associated with chemicals detected in groundwater. The use of this chemical in areas where soils are permeable, particularly where the water table is shallow, may result in groundwater contamination. Application around a cistern or well may result in contamination of drinking water or groundwater. Do not apply BUTYRAC® 175 Broadleaf Herbicide directly to or otherwise permit it to come in contact with cotton, okra, grapes, tomatoes, fruit trees, vegetables, flowers, or other desirable crop or ornamental plants. Do not permit spray mist to drift onto susceptible plants since very small quantities of the BUTYRAC® 175 Broadleaf Herbicide can cause severe injury during the growing or dormant periods.

Storage & Handling

Storage and Disposal

Do not contaminate water, food or feed by storage or disposal.

Pesticide Storage: Store in original container in a dry secured storage area. Keep container tightly closed when not in use.

Pesticide Disposal: Pesticide wastes are acutely hazardous. Improper disposal of excess pesticide, spray mixture, or rinsate is a violation of Federal law. If these wastes cannot be disposed of by use according to label instructions, contact your State Pesticide or Environmental Control Agency, or the Hazardous Waste representative at the nearest EPA Regional Office for guidance.