File image: Reuters

Johannesburg - South African white corn futures gained for a second day.

White corn for delivery in July advanced 0.2 percent to 1,851 rand a metric ton on the South African Futures Exchange in Johannesburg after rising 0.1 percent on June 20.

The yellow variety climbed 0.3 percent to 1,960 rand a ton.

South Africa is the continent’s biggest producer of corn.

Meal from white corn is used to make a staple food known as pap.

The yellow variety is for animal feed.

Wheat for July delivery fell 0.1 percent to 3,780 rand a ton. - Bloomberg News