RebelEX® Rice Herbicide | Corteva Agriscience™
rice field with sun shining in the background



Get ahead of early season weeds

RebelEX® herbicide is an early postemergence residual herbicide for broad-spectrum control of your toughest weeds, including propanil-resistant weeds. Applying RebelEX early as part of a herbicide program will provide consistent control of troublesome weeds like sprangletop, barnyardgrass, broadleaf weeds and aquatics.


Supplemental Information

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


Dual modes of action

Image of barnyard grass in rice field.

RebelEX provides two modes of action (penoxsulam and cyhalofop-butyl) in one application — increasing effectiveness and improving resistance management.  

Broad-spectrum control

image of close up of rice grains on stalk.

RebelEX has a broader spectrum of control than propanil-containing products, including the control of grasses and broadleaf and aquatic weeds. 

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.

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.
Tru Choice logo

TruChoice Savings

Corteva Agriscience is pleased to deliver upfront savings through TruChoice® Offers, with farmer discounts applied when your local retailer completes a transaction in TruChoiceOnline. By purchasing Pioneer® brand seed, you can earn Corteva™ Cash to use toward more than 100 crop protection products — leveraging your TruChoice dollars even further.

Tell me more

®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.