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

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

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