Skip to main content
Click to open menu
Click to close menu
Begin main content

Win your soybean season with the top preemergent herbicides and enter for a chance to win a $500 Cabela’s® gift card.*

Group 14 , 15


Authority® Supreme herbicide from FMC combines two modes of action in an exclusive liquid premixed to control the toughest resistant weeds in soybeans, sunflowers and dry peas. The combination of a best-in-class PPO herbicide with the market's newest Class 15 molecule provides growers with a long-lasting residual and supreme weed control. 

Gift Card Icon

Win your soybean season with the top preemergent herbicides and enter for a chance to win a $500 Cabela’s® gift card.*

Quick Facts

  • Highly effective preplant and preemergence control of tough resistant weeds including waterhemp and Palmer pigweed. 
  • A liquid premix of sulfentrazone and pyroxasulfone, two highly effective active ingredients. 
  • Low use rate with proven results.
  • Preventative single application, allowing greater flexibility application in season. 
  • Controls and suppresses key broadleaf weeds and grasses. 

Active ingredients

  • Pyroxasulfone
  • Sulfentrazone


Product Overview

Low use rate Authority Supreme herbicide combines a leading Group 14 PPO herbicide with the newest Group 15 herbicide to provide preplant and preemergence control of key broadleaf weeds and grasses. It complements a wide range of soybean seed traits and is effective against weeds that resist ALS, triazine, glyphosate and PPO herbicides. Authority Supreme herbicide controls tough weeds like kochia, waterhemp, Palmer pigweed and more.


Full crop listing

  • Chickpeas
  • Peas (dried)
  • Pigeon Pea
  • Soybeans
  • Sunflowers


  • Alabama
  • Arkansas
  • Colorado
  • Connecticut
  • Delaware
  • Florida
  • Georgia
  • Idaho
  • Illinois
  • Indiana
  • Iowa
  • Kansas
  • Kentucky
  • Louisiana
  • Maine
  • Maryland
  • Michigan
  • Minnesota
  • Mississippi
  • Missouri
  • Montana
  • Nebraska
  • Nevada
  • New Hampshire
  • New Jersey
  • New Mexico
  • North Carolina
  • North Dakota
  • Ohio
  • Oklahoma
  • Oregon
  • Pennsylvania
  • Rhode Island
  • South Carolina
  • South Dakota
  • Tennessee
  • Texas
  • Utah
  • Vermont
  • Virginia
  • Washington
  • West Virginia
  • Wisconsin
  • Wyoming

Product Specifications

Trial Data

Click to open/close

Get in touch

Learn more about how to use our products and sign up to receive more information.