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Authority® First DF

The first thing you should do to maximize soybean yields is protect your crop with Authority® First DF herbicide. It controls glyphosate-resistant broadleaf weeds and serves as the foundation for both Roundup Ready® soybeans and conventional soybeans. Authority First DF herbicide exhibits excellent crop tolerance for preplant application up to three days after soybean planting.

  • 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

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Quick Statistics

  • Active Ingredients

    Sulfentrazone (62.1%), cloransulam-methyl (7.9%)

  • Crops it Works On


  • Targeted Pests

    Amaranth, Carpetweed, Common cocklebur, Common purslane, Common ragweed... Show More

  • Comparable Products

    Sonic® Herbicide

  • Always read and follow label instructions

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