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Suprend™ Cotton Herbicide

S.M. Schraer, J.C. Holloway, Jr., H.S. McLean, C.A.S. Pearson, and C. Foresman


Suprend™ is a new post-directed herbicide pre-mix for use in Cotton developed by Syngenta Crop Protection, and its application for registration is currently pending with US EPA. Suprend™ is a pre mix of trifloxysulfuron sodium (the active ingredient in Envoke™) and prometryn (the active ingredient in Caparol™), formulated as an 80 WG in a 1:112 ratio. Suprend™ contains two herbicide modes of action that aid weed control as well as provides sound glyphosate resistance management. Suprend™ also provides excellent residual weed control in cotton. Suprend™ is compatible with conventional, Roundup Ready® and BXN® cotton production systems.

Economically important weeds controlled by Suprend™ in cotton include but are not limited to: coffee senna (Cassia occidentalis), hemp sesbania (Sesbania exaltata), sicklepod (Senna obtusifolia), common cocklebur (Xanthium strumarium), pitted morningglory (Ipomoea lacunosa), ivyleaf morningglory (Ipomoea hederacea), entireleaf morningglory (Ipomoea hederacea var. integriuscula), redroot pigweed (Amaranthus retroflexus), smooth pigweed (Amaranthus hybridus), and suppression of seedling johnsongrass (Sorghum halepense), yellow nutsedge (Cyperus esculentus), and purple nutsedge (Cyperus rotundus).

Suprend™ can be used in all picker cotton varieties across a large section of the southern cotton growing areas, including the Southeast, Mid-South as well as portions of Texas. Applications should be post directed beginning in cotton as small as 8 inches in height up through the lay-by timing. Use rates will be 1 to 1.5 pounds of formulated product per acre. Do not apply more than 2.7 pounds of formulated product per year nor do not apply 60 days before harvest. Suprend™ is expected to be available for the 2004 cotton use season.

Tank mix options include several commonly used herbicides in cotton such as MSMA, Touchdown®, Dual Magnum®, Aim™, diuron, linuron, Cobra®, Caparol®, and Buctril®. Do not tank mix Suprend™ with malathion, profenofos (Curacron®) or emamectin-benzoate containing insecticides (Denim®), acephate, Bidrin®, Capture®, Karate® or unacceptable cotton injury can occur.

Rotation restrictions include: 3 months: wheat, transplanted tomato, 7 months : cotton, corn, sorghum, peanut, rice, soybean, transplanted tobacco, 12 months bell pepper, Irish potato, radish, parsley, 18 months: all other crops.

TOUCHDOWN, DUAL MAGNUM, CAPAROL, CURACRON, KARATE, and DENIM are registered trademarks of a Syngenta Group Company
ENVOKE and SUPREND are trademarks of a Syngenta Group Company
CAPTURE is a registered trademark of FMC Corporation
AIM is a trademark of FMC Corporation
ROUNDUP READY is a registered trademark of Monsanto Co.
BXN is a registered trademark of Bayer Crop Science AG
COBRAis a registered trademark of Valent U.S.A. Corporation
BIDRIN is a registered trademark of Amvac Chemical Corporation
BUCTRIL is a registered trademark of Bayer CropScience

*Important Notice: SUPREND herbicide is not currently registered for sale or use in the United States and therefore not being offered for sale. This abstract does not constitute an offer for sale. SUPREND herbicide will not be available for sale until EPA has approved registration and all necessary state authorizations have been granted.

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Document last modified 04/27/04