Clayton Tuskar™ – Powerful, high-loaded systemic, protectant and curative triazole fungicide for great value disease control and a perfect partner product this spring. 

Posted on 02 April 2025

Making disease control decisions easier this season with CLAYTON TUSKAR, a powerful, triazole fungicide formulation designed to add value, flexibility and efficacy into your fungicide programme. With a good disease control spectrum, it can be the right choice at early spray timings to keep rusts and Septoria in check. With added versatility to be a perfect partner product alongside other fungicides or new chemistry in all spray timings. Delivering a reliable, high-load straight prothioconazole formulation.

Why choose CLAYTON TUSKAR?

  • Powerful systemic, protectant and curative triazole fungicide
  • Concentrated, high-load prothioconzole active
  • Perfect choice for disease control at early season timings
  • High-quality EC co-formulation containing prothioconazole
  • Flexible tank mix compatibility options for users
  • Great partner product as a ‘building block’ for successful, all-season disease control
  • Added assurance of Clayton’s trusted products and premium service

Clayton Tuskar – Quick guide product profile. Disease strengths.

Formulation: EC containing 205g prothioconazole.

Pack size: 5L

Rates & timings:

Wheat / Durum wheat / Winter rye

Apply at 0.8 L/ha for a maximum of 3 treatments per crop before GS71.

Barley / Oats

Apply at 0.8 L/ha for a maximum of 2 treatments per crop up to and including GS61.

Target diseases:

Wheat Septoria, Yellow rust, Powdery mildew, Eyespot (Control). Brown rust, Fusarium ear blight, Tan spot (Moderate control). Sooty moulds, Mycotoxin deoxynivalenol DON (Reduction).

Barley Powdery mildew, Yellow rust, Brown rust, Net blotch, Rhynchosporium leaf blotch, Eyespot (Control). Fusarium ear blight (Moderate control). Sooty moulds (Reduction).

See product label for full details on all crops. For information on compatibility tank mixes for Clayton Navaro, contact us.


A perfect tank mix partner product, Clayton Tuskar is ideal for use in the main T1, T2, T3 timing windows for winter wheat and in the main T1 and T2 timings for winter barley. Putting in place the right building blocks for successful disease control.

*Information in this update does not constitute a recommendation, it is for guidance only. More information can be found on our website; claytonpp.com. Use fungicides safely. Always read the label and product information before use. To manage fungicide resistance risk always follow FRAG best practice guidelines. Resistance management should be considered throughout the spray programme.

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