AUTHORITY XL ®
HERBICIDE
Preemergence Herbicide with Burndown for Glyphosate and ALS-Resistant Weeds Applications made in April 2010. Photos taken in June 2010. 60 days after application
Product Characteristics • Helps increase yield potential by providing cleaner fields • Facilitates more timely Roundup PowerMAX® applications in Roundup Ready® soybeans • Reduces the selection pressure for glyphosate- and ALS-tolerant weed biotypes • Provides excellent crop safety • Controls both small- and large-seeded broadleaf weeds • May be applied with other crop protection chemicals and liquid fertilizers • Extends weed spectrum and burndown when weeds have already emerged when added to Roundup PowerMAX and 2,4-D LVE Soil–Applied Herbicides in Soybeans
Authority® XL 4.0 2,4-D 1pt, Followed by Roundup PowerMAX®
V1
Timing of weed removal (soybean growth stage)
V2
V3
V4
V5
Authority XL 4.0 oz
V6
V7
R1
R2
R3 0
10
20
30
40
50
60
70
Soybean Yield Loss (Percent of weed)
7.5” Rows
15” Rows
30” Rows
5% Yield Loss Line
Optill™ 2.0 oz SM
Investing in farming’s future.
AUTHORITY XL ®
HERBICIDE
Usage Recommendations
Weed Spectrum
Full Use Rate
Controls
Fall Application, Early Pre-plant, Pre-plant Burndown, Pre-plant Incorporated, and Preemergence
• Carpetweed
• Nutsedge, purple
• Chickweed**
• Nutsedge, yellow
• Cocklebur*
• Pigweed
(needed for glyphosate-resistant weeds for longer residual control)
Broadcast Rate (oz/A)
Coarse Soil Texture
Medium Soil Texture
Fine Soil Texture
% Organic Matter
Loamy Sand, Sandy Loam
Loam, Silt Loam, Silt, Sandy Clay Loam
Silty Clay Loam, Clay Loam, Clay
0.5 – 2.0%
5.0 – 6.0 oz/A
6.5 – 7.5 oz/A
7.0 – 8.0 oz/A
2.0 – 4.0%
6.0 – 7.0 oz/A
7.0 – 8.8 oz/A
8.0 – 9.6 oz/A
Apply Authority® XL according to Rate Tables for types of application and specific geographic areas.
Reduced Rates for GMO Soybeans (Roundup Ready®, LibertyLink® etc.)
Fall Application, Early Pre-plant, Pre-plant Burndown, Pre-plant Incorporated, and Preemergence
Broadcast Rate (oz/A)
Coarse Soil Texture
Medium Soil Texture
Fine Soil Texture
% Organic Matter
Loamy Sand, Sandy Loam
Loam, Silt Loam, Silt, Sandy Clay Loam
Silty Clay Loam, Clay Loam, Clay
0.5 – 2.0%
4.0 oz/A
4.0 oz/A
2.0 – 4.0%
4.0 oz/A
4.8 oz/A
• Copperleaf, hophornbeam
- Palmer amaranth
• Copperleaf, Virginia
- Redroot
• Florida beggarweed
- Smooth
• Jimsonweed
- Spiny amaranth
• Kochia
• Poinsettia, wild
• Lambsquarters
• Prickly sida (teaweed)
• Mallow, Venice
• Purslane, common
• Marestail
• Ragweed, common
• Morningglory
• Ragweed, giant*
- Annual
• Russian thistle
- Ivyleaf
• Senna, coffee
4.0 – 5.0 oz/A
- Entireleaf
• Smartweed (annual)
4.0 – 5.0 oz/A
- Pitted*
• Spurge, spotted
- Smallflower
• Sunflower, wild
- Tall
• Velvetleaf
Use rates in Reduced Rate Table are to be used in conjunction with a planned POST herbicide program; Authority XL at these reduced rates will provide early season control or suppression to reduce early season weed competition.
• Mustard, wild
• Waterhemp
Authority XL 3.2 oz/A + 12oz 2,4-D + Roundup PowerMAX 8 oz/A Control of emerged weeds requires a burndown tank mix such as 2, 4-D or Roundup. * Weed species which can germinate deep in the soil, such as pitted morningglory, cocklebur and giant ragweed or other weeds, such as nutsedge, which may emerge at various times during the growing season, may require a cultivation or a follow-up application of postemergence herbicides.
Kansas City, MO Applied October 27, 2009 Photo April 21, 2010
UNTREATED
Authority XL Treated Versus Untreated
** To deliver control the addition of Roundup PowerMAX or Express® are recommended.
Suppresses
Daviess Co., KY Applied Nov. 2009 Photo April 21, 2010
888-59-FMC-AG • FMCCROP.COM
• Barnyardgrass
• Johnsongrass, seedling
• Burcucumber
• Mexicanweed
• Crabgrass
• Panicum, Texas and fall
• Foxtail, species
• Sicklepod
• Goosegrass
• Signalgrass, broadleaf
Always read and follow label directions. FMC, Authority and Flexi-Crop Advantage are trademarks and Investing in farming’s future is a service mark of FMC Corporation. Valor SX is a trademark of Valent U.S.A. Corporation. Roundup Ready and Roundup PowerMAX are trademarks of Monsanto Technology LLC. Express is a trademark of DuPont. Optill is a trademark of BASF Corporation. © 2011 FMC Corporation. All rights reserved. F100-22852-4 10-11
SM
Investing in farming’s future.