Herbicides and additives

Amitrole

(Activated Amitrole, Amitrole 4L)

  • non-selective, ie generally kills most plants, leaves bare ground. Sites often colonised by more weeds
  • acts systemically i.e will spread through entire plant to roots
  • non-volatile
  • moderate toxicity, but corrosive. Moderate soil residue, apply with care. Replant sites only after seedlings appear naturally
  • preferred for several hard-to-kill species, not otherwise recommended
  • useful for stem/stump treatment
  •  available from garden centres agricultural supply stores.