RebelEX® Herbicide — Crop Protection
rice field with sun shining in the background



Three weeks of additional barnyardgrass control

RebelEX® herbicide provides excellent pre- and post-flood control of barnyardgrass, sprangletop and other grasses and broadleaf weeds. With two modes of action and a wider spectrum of control than propanil, RebelEX provides up to 504 additional hours (three weeks) of residual control of barnyardgrass.


Supplemental Information

To find supplemental information on this product in a registered state, please use our Label Finder tool.


Superior control and resistance management

Image of barnyard grass in rice field.

With two modes of action to control barnyardgrass, RebelEX® herbicide provides up to three weeks of residual control of barnyardgrass, smartweed and rice flatsedge and aids in resistance management.

Broad control

image of close up of rice grains on stalk.

RebelEX has a broader spectrum of control than propanil-containing products.

Application flexibility

Image of view from top of water flooded rice leeve.

RebelEX has a wide application window (from one-leaf rice to 60-days preharvest) and is tank-mix-compatible with most other rice herbicides. RebelEX can be applied to conventional and CLEARFIELD® acres.



Rice, Water-seeded (Oryza sativa)

Controlled weeds

This product delivers effective weed control against the following:

  • Arrowhead
  • Barnyardgrass
  • Cocklebur
  • Dayflower
  • Ducksalad
  • Eclipta
  • Flatsedge
  • Goosegrass
  • Hyssop
  • Jointvetch
  • Junglerice
  • Panicum
  • Pickerelweed
  • Pigweed
  • Sesbania
  • Smartweed
  • Sprangletop
  • Texasweed

Refer to the Product Label for complete product efficacy information.

Find labels for this product

State Registrations

  • Registered
  • Unregistered

Technical Specifications

  • Active Ingredient

    Penoxsulam, Cyhalofop-butyl

  • Approved Use
    For selective postemergence weed control in rice in Arkansas, Florida, Louisiana, Mississippi, Missouri, Tennessee and Texas.
  • Mode of Action

    ALS inhibitor and ACCase inhibitor

Other products

Looking for similar or complementary products? Check out these related products.


For more information, download the full label for RebelEX® Herbicide
RebelEX Fact Sheet
RebelEX Quick Reference
Levee Talk , May 2018
LeveeTalk , March 2018

®™Trademarks of Dow AgroSciences, DuPont or Pioneer and their affiliated companies or respective owners. ®CLEARFIELD and FACET are registered trademarks of BASF. Clincher SF, Grasp SC, Grasp Xtra, Loyant and RebelEX are not registered for sale or use in all states. Contact your state pesticide regulatory agency to determine if a product is registered for sale or use in your state. Always read and follow label directions.