US President Donald Trump’s threat to slap a 50 per cent import tax on goods from Brazil has sparked anxiety in the country’s farms and ranches over the potential damage to its world-leading shipments of orange juice, coffee and beef.

Brazil's government on Friday downplayed the impact of the 50% tariff U.S. President Donald Trump threatened to impose on imports from that country, as leaders from both nations expressed a cautious willingness to negotiate in the future.