Authority XL

Don’t waste time with second best herbicides. When soybean yields are at stake, put your trust in the power of Authority® XL herbicide. Apply in the spring to control tough weeds like marestail, waterhemp, lambsquarters and ragweed. Extend weed spectrum and burndown when weeds have already emerged by adding to Roundup® or 2,4D LVE.

Quick Facts

Facilitates more timely Roundup applications in Roundup Ready® soybeans
Reduces the selection pressure for glyphosate and ALS-tolerant weed biotypes
Excellent crop safety
Small- and large-seeded broadleaf weed control

Type	Title	Download
MSDS	2012-01-24	download PDF
Specimen Label	09-16-10	download PDF
Supplemental Label	101211 Rotational Guideline's (Various States)	download PDF
2(ee) Recommendation	For Control of Cocklebur, Jimsonweed, Lambsquarters and Pigweed in Soybeans	download PDF

Registered States:

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

Soybeans

Broadleaf Weeds

Black Nightshade
Burcucumber
Carpetweed
Chickweed
Common Cocklebur
Common Purslane
Common Ragweed
Common Waterplantain
Copperleaf, Hophornbeam
Copperleaf, Virginia
Dandelion
Eastern Black Nightshade
Eastern Nightshade
Florida Beggarweed
Giant Ragweed
Hairy Nightshade
Hemp Sesbania
Henbit
Ivyleaf Speedwell
Jimsonweed
Kochia
Lambsquarters
Marestail
Mexicanweed
Morningglory
Mustards
Nightshades
Palmer Amaranth
Pigweed, Redroot
Prickly Lettuce
Prickly Sida
Purslane
Russian Thistle
Senna
Sesbania
Sheperdspurse
Sicklepod
Smallflower Umbrellaplant
Spiny Amaranth
Spurge
Star of Bethlehem
Tansymustard
Teaweed
Velvetleaf
Venice Mallow
Waterhemp
Wild Mustard
Wild Poinsettia
Wild Sunflower

Grass Weeds

Barnyardgrass
Broadleaf Signalgrass
Crabgrass
Foxtail Species
Goosegrass
Johnsongrass, Seedling
Panicum, Fall
Panicum, Texas

Sedges

Purple Nutsedge
Yellow Nutsedge

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Farming with Authority: Introduction

See how being proactive with a pre-plant herbicide like Authority affects the growing season.

Farming with Authority: Solutions

Growers discuss the solutions Authority herbicides provide.

Farming with Authority: Control

Learn how growers gain control with Authority herbicides.

Farming with Authority: Flexibility

Find out how growers benefit from the flexibility of Authority herbicides.

Farming with Authority: Results

Growers see real results when they use Authority herbicides.

Authority Comparisons

A comparison of fields where Authority XL + 2,4-D, Authority XL alone, and Optill® were applied.

Weed Control Using Authority and Roundup®

Soybean field treated with Authority XL 4.0 oz + Roundup® - 60 DAT

Authority XL Study

Authority XL provides superior results vs. total post.

Residual Control

Authority XL (right) provides greater residual control than Valor® (left) and Optill® (center).

Authority vs. Roundup®

Roundup at 1lb 2oz Post (left) vs Authority XL 4 oz (right).

Authority Herbicides Add Value

Starting with clean fields and using a preemergence herbicide will help to increase your overall value. FMC now offers a best-in-class preemergence and burndown herbicide, Authority, to control a broad spectrum of summer and winter annuals.

Ben Kirchhoff (Blackburn, MO) - Radio Commercial

Hear what Authority preemergence herbicides mean to Ben Kirchhoff of Blackburn, Missouri.

Ben Kirchhoff (Blackburn, MO) - TV Commercial

For Ben Kirchhoff of Blackburn, Missouri, effective weed control starts with Authority XL herbicide.

Dougherty Brothers (Clark, IN) - Radio Commercial

Hear what Authority preemergence herbicides mean to the Dougherty Brothers from Clark, Indiana.

Dougherty Brothers (Clark, IN) - TV Commercial

The Dougherty Brothers of Clark, Indiana explain how a proactive approach to weed management, including Authority XL herbicide, results in more yield and profit.

Importance of an Early Application with Authority Herbicides

Growers know what works and what doesn't. For Joe Thilgis, a grower and retailer in Iowa, Authority herbicides by FMC are what work for keeping fields clean.

Kim Smith (Dexter, MO) - TV Commercial

Kip Smith of Dexter, Missouri fights his battle against weed and grass pressure using Authority XL herbicide.

Kip Smith (Dexter, MO) - Radio Commercial

Hear what Authority preemergence herbicides mean to Kip Smith of Dexter, Missouri.

Resistance Management with Authority Herbicides

Authority herbicides, when used as a tank mix, can help combat resistant weeds. Ashley Hesler, area manager for a retailer in Southern Illinois, has seen resistance issues in the field and recognizes that glyphosate alone is no longer a viable solution.