AUTHORITY® MAXX HERBICIDE | FMC Ag US
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AUTHORITY® MAXX HERBICIDE

Authority® Maxx herbicide provides preemergence activity to allow more flexibility in postemergence applications because of its residual activity, and it reduces selection pressure for glyphosate- and ALS-tolerant weed biotypes.

Quick Facts

  • Offers economical residual control.
  • Residual control of small-seeded broadleaf weeds, in particular waterhemp and Palmer pigweed.
  • Controls Palmer amaranth, redroot pigweed, smooth pigweed, kochia, nightshade species, morningglory species, lambsquarters and waterhemp.

Active ingredients

  • Sulfentrazone*
  • Chlorimuron ethyl*

APPROVED FMC TANK MIX PRODUCTS FOR SELECT HERBICIDES

* Authorirty Maxx herbicide contains 0.66 lb. active ingredient per pound product (0.62 lb a.i./lb. of Sulfentrazone and 0.04 lb. a.i./lb. of Chlorimuron ethyl) 

FMC Freedom Pass

Qualified for FMC Freedom Pass

Agronomic Rewards, Performance Assurances and Product Financing

Product Overview

Authority Maxx herbicide offers premium performance and has the corner on value by providing economical residual control. It enables flexibility when applying postemergence applications because of its residual activity and it reduces selection pressure for glyphosate- and ALS-tolerant weed biotypes.

Crops

Always refer to the product label for an official listing of crop usage, restrictions and precautions.

Full crop listing

  • Soybeans

State Registration


  • Alabama
  • Arkansas
  • Delaware
  • Georgia
  • Iowa
  • Illinois
  • Indiana
  • Kansas
  • Kentucky
  • Louisiana
  • Maryland
  • Michigan
  • Minnesota
  • Missouri
  • Mississippi
  • North Carolina
  • Nebraska
  • New Jersey
  • Ohio
  • Oklahoma
  • Pennsylvania
  • South Carolina
  • Tennessee
  • Texas
  • Virginia
  • Wisconsin
  • West Virginia

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