Principal Forte is a post-emergence herbicide that controls a wide range of both grass and broad-leaved weeds.
Principal Forte will control fat-hen, common amaranth, field pennycress, barnyard grass, green bristle grass, hairy fingergrass and couch grass*, and many other weeds. For more information, please see below.
*Suppression of common couch top growth, reduction of growth in the following year has not been established.
Product Registration Number:
Contains 510 g/kg of dicamba + 62 g/kg of nicosulfuron + 31 g/kg of rimsulfuron + 31 g/kg isoxadifen safener
2400g, each pack will treat 5ha
WDG Water Dispersible Granule
200-400 litres of water per hectare
MEDIUM as defined by BCPC
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