Syngenta will phase out paraquat from Australia by 2027. The chemical now faces tighter rules. The Swiss firm says sales will cease once existing stocks deplete.

A warning covers the herbicide now. Death or severe harm can follow trace amounts. Farmers and bystanders risk exposure. Canberra’s regulator stepped in after years of warnings.

Several countries already banned paraquat. Health groups called for a block on sales. No new shipments will reach after 2027.