Mode of action
2,4-D acts as an auxin-like growth inhibitor. The herbicide in the form of a compound ether has an increased activity. It penetrates and spreads through all parts of weeds, including roots, easily and rapidly, within 1 hour. By accumulating in growth points, it blocks cell growth by inhibiting oxidative phosphorylation, nucleic acid synthesis, and the production of endogenous auxins. It causes deformed leaves, damaged reproductive organs, and the death of apical plant parts.
Protective effect period
This herbicide has no soil activity and works only on weeds present at the time of spraying. It provides effective control of sensitive weeds for the entire growing season.
Rate of exposure
Visible damage occurs rapidly, depending on air temperature, the specific plant species, and the application rate. Sensitive weeds stop growing within hours of treatment, with visible signs appearing within 1–4 days, and complete death occurring within 3–7 days or more.
Range of inhibited weeds
Annual and perennial dicotyledonous weeds.
Sensitive species: pinweed, Canadian thistle, vetch, sheepbine, kew weed, charlock, bankweed, tansy mustard, sheep bur, pigweed, copper rose, Canadian fleabane, vine-type milkweed, corn bindweed, field scorpion grass, field sow thistle, caseweed, weed sunflower, dayflower (species), wild radish, upland cress, curled dock, dish mustard, etc.
Moderately sensitive species: ragweed, bluebottle, speedwell (species), peppergrass (species), velvetleaf, weed hemp, nettle (species), field scabious, saltwort (salt grape), common orach, tormentil (species), button (species), stickseed (species), flaxweed, foalfoot, dandelion (species), catch weed, field daisy (whiteweed), hedge-nettle betony, amaranth (species), chickweed (species), day-nettle (species), houndsberry, etc.
Feebly sensitive species: pepper plant (species), black bindweed, common fumitory, winterweed, spring squaw-weed, hemp nettle (species), green ginger, field chamomile, chamomile (species), bladder campion, field pansy, etc.
Compatibility with other preparations
The preparation has a good compatibility with most herbicides: Zinger, WP; Kassius, WSP; Fenizan, SL; Lornet, SL; Sprut Extra, SL; Ovsugen Super, EC; Ovsugen Express, EC. In each specific case, the components to be commingled shall be checked for physical and chemical compatibility.
Potential for resistance
No facts of resistance to preparation were revealed.