Clayton Satchmo – Systemic, foliar applied herbicide for the post-emergence control of cereal volunteers, annual and perennial grass weeds in oilseed rape.

Posted on 29 July 2025

Product Spotlight: Clayton Satchmo™ – Systemic, foliar applied herbicide for the post-emergence control of cereal volunteers, annual and perennial grass weeds in oilseed rape.

Why choose Clayton Satchmo?

  • Ideal option for cereal volunteer control in OSR crops
  • Wide window of post-emergence application use
  • Versatile herbicide for controlling Cereal volunteers and Wild oats in OSR crops
  • Wide-ranging weed control options, targeting Volunteer wheat, barley and rye as well as Ryegrass, Common couch and Sterile brome.


Product Overview:

Active ingredients: 100 g/L Propaquizafop, EC formulation

Use rate & timing (winter oilseed rape): Apply up to 1.5 L/ha for a maximum of 1 treatment per crop. For optimal timing in winter oilseed rape, apply at crop growth stage ‘expanded cotyledons’. Weed growth stage optimum timings for: Volunteer barley, apply at 0.5-1.0 L/ha (2 leaves unfolded to end of tillering), Volunteer wheat and rye, apply at 0.7-1.0 L/ha (2 leaves unfolded to end of tillering), Wild oats, apply at 0.7-1.0 L/ha (2 leaves unfolded to early tillering), Ryegrass (from seed), apply at 1.2-1.5 L/ha (2 leaves unfolded to early tillering), Common couch, apply at 1.5 L/ha (3 leaves unfolded, when majority of shoots have emerged and are approx. 15cm tall), Sterile brome, apply at 0.7-1.0 L/ha (2 expanded leaves to fully tillered).

Target weeds: Volunteer wheat, Volunteer barley, Volunteer rye, Wild oats, Ryegrass (from seed), Common couch, Sterile brome

Take a look at our guide on herbicide weed control options for Oilseed Rape below:


For more information on our full range of products for oilseed rape this autumn, including plant growth regulators and fungicides, please get in touch with our commercial and technical team…

William Ridgwell – Commercial Manager – will@claytonpp.com
Martyn Rogers – Product Development Manager – martyn@claytonpp.com

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