Tribune is a fast-acting herbicide that desiccates plant tissue on contact. Tribune stops plant photosynthesis within minutes depending on conditions. Tribune is effective on a wide variety of submerged, emergent, and floating aquatic weeds such as Duckweed, Watermeal, Curly-Leaf Pondweed, Water Milfoil, and many other nuisance aquatic plant species.

Tribune contains 37.3% Diquat Dibromide