Trezac™ herbicide is a post-emergence herbicide for use on all varieties of winter cereals and spring cereals. It contains two active ingredients in an EC (Emulsifiable Concentrate) containing formulation (30 g a.e/L of Arylex™ active, 25 g a.e/L aminopyralid  and 30 g /L of cloquintocet-mexyl (safener)). Trezac is registered in the UK and Belgium. 

Trezac controls key competitive broad-leaved weeds, including Fallopia convolvulus, Galium aparine, Geranium spp., Lamium purpureum, Chenopodium album, Fumaria officinalis, and Papaver rhoeas.