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Last Updated: 8/16/2026

Surmise® 5

Active Ingredient: Glufosinate-ammonium

2 x 2.5 gal, 265 totes, Bulk, NR 135

A non-selective, water-soluble herbicide for postemergence broadcast use on canola, corn, cotton, and soybean designated as glufosinate resistant. Surmise 5 may be used for weed control in non-glufosinate resistant cotton when applied with a hooded sprayer in-crop. May be applied as a broadcast burndown application before planting or prior to emergence of any variety of canola, corn, sweet corn*, cotton, soybean or sugar beet, and used for postemergence weed control in listed tree vine and berry crops. Surmise 5 may also be applied for potato vine desiccation. *Not for use in California

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    • Highly concentrated formulation that provides more efficient transportation and handling characteristics.
    • Offers foliar activity on undesirable weeds and is rainfast 4 hours after application to most weed species.
    • Excellent replacement for glyphosate in resistant weed situations.
    • Can be applied through ground or aerial application systems.
    • Field tested for crop safety on LibertyLink® corn, soybean and cotton varieties. No crop response was seen when applied at 1x, 2x and 3x rates, with all treatments providing excellent crop safety.
    • Listed as an approved tank-mix component with Enlist One® herbicide.
    • NOTE: Does not contain blue dye in order to eliminate confusion with original Surmise.

    Liberty and LibertyLink are registered trademarks of BASF. Enlist One is a registered trademark of Corteva.

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