Hexazinone

Description Mode of action Uses
A broad-spectrum herbicide used to control many annual, biennial and perennial weeds. Non-selective, primarily contact herbicide, absorbed by the leaves and roots, with translocation acropetally. 

A post-emergence contact herbicide effective against many annual and biennial weeds and, except for Sorghum halepense, most perennial weeds. Used for selective control in alfalfa, pineapples, sugar cane and in plantations of certain coniferous species; also on non-crop areas, but not on sites adjacent to deciduous trees or other desirable plants.