In ordinary times, it takes Boureima Diawara two or three days to truck his mangoes the 1,200 km from southern Mali to Senegal's seaside capital Dakar.
But since coronavirus restrictions came in, some shipments have taken more than twice as long. After struggling with border delays and a dawn-to-dusk curfew in Senegal, Mr Diawara's workers have ended up dumping sacks of rotten fruit in a landfill.