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Authority First DF

Quick Facts

  • Residual broadleaf foundation for soybean weed control.
  • Dual mode of action helps prevent development of resistant weed populations.
  • Effective in no-till, minimum-till and conventional-tillage.
  • Outstanding residual start for Glyphosate Tolerant Technology or a conventional program.
Type Title Download
Specimen Label SL-4082 083018 06-04-18 download PDF
Supplemental Label 102617/072618 Aerial Application for Broadleaf and Grass Weed Control in Soybeans download PDF
2(ee) Recommendation Tank Mix Instructions for Use with Sharpen (Various States) download PDF
SDS 2016-05-26 download PDF

Registered States:

AL, AR, CO, DE, GA, IA, IL, IN, KS, KY, LA, MD, MI, MN, MO, MS, NC, ND, NE, NH, NJ, OH, OK, PA, SC, SD, TN, TX, VA, WI, WV

  • Soybeans
Broadleaf Weeds
  • Amaranthus
  • Beggarweed
  • Carpetweed
  • Common Cocklebur
  • Common Purslane
  • Common Ragweed
  • Common Sunflower
  • Copperleaf, Hophornbeam
  • Croton, Tropic
  • Daisy
  • Dayflower
  • Eastern Nightshade
  • Florida Beggarweed
  • Galinsoga
  • Giant Ragweed
  • Ground Cherry
  • Hairy Nightshade
  • Jimsonweed
  • Kochia
  • Ladysthumb
  • Lambsquarters
  • Marestail
  • Mexicanweed
  • Morningglory
  • Nightshades
  • Palmer Amaranth
  • Pennsylvania Smartweed
  • Pigweed, Redroot
  • Poorjoe
  • Prickly Sida
  • Purslane
  • Pusley
  • Ragweeds
  • Russian Thistle
  • Senna
  • Sicklepod
  • Smellmellon
  • Smooth Pigweed
  • Spiny Amaranth
  • Spurge
  • Spurred Anoda
  • Starbur
  • Teaweed
  • Thistle
  • Tumble Pigweed
  • Velvetleaf
  • Venice Mallow
  • Waterhemp
  • Wild Mustard
Grass Weeds
  • Barnyard grass
  • Broadleaf Signalgrass
  • Crabgrass
  • Crabgrass, Large
  • Crabgrass, Smooth
  • Crowfoot grass
  • Foxtail Species
  • Foxtail, Giant
  • Foxtail, Green
  • Foxtail, Yellow
  • Goosegrass
  • Johnson grass, Seedling
  • Orchardgrass
  • Panicum, Fall
  • Panicum, Texas
Sedges
  • Annual Sedge
  • Nutsedge, Purple
  • Nutsedges
  • Yellow Nutsedge
Performance Data
Always read and follow all label directions, restrictions and precautions for use. Some products may not be registered for sale or use in all states. FMC, the FMC logo and Authority are trademarks of FMC Corporation or an affiliate. Roundup is a trademark of Monsanto Technology LLC. Valor is a trademark of Valent USA. ©2019 FMC Corporation. All rights reserved.