Questar with Inatreq active


A foliar applied fungicide for the control of speckled leaf blotch (Septoria tritici) in wheat


Innovative resistant management tool

With a new target site and novel mode of action for cereal growers

Outstanding biology performance

With strong residual protectant properties as well as curative efficacy

Optimised formulation technology

New i-Q4™ formulation technology provides improved retention and redistribution across plant surface as well as local plant mobility (translaminar).

From natural origin

Produced through fermentation with a single chemical modification.




  • Speckled leaf blotch (Septoria tritici)

Technical Specifications

  • Active Ingredient

    50g/L Inatreq active

  • Mode of Action

    Respiration inhibitor at MET lll (cyt. bc1 complex) - QiI

  • Formulations

    Emulsifiable concentrate (EC)

  • Application Method

    Ground and Aerial applications

  • Packaging


  • Additional Information

    Group: 21