US wheat futures fell 1 percent early on Friday as the dollar firmed and equity markets slipped on worries about the Italian banking sector which sparked further concerns about the global economy. At 10:02 am CDT (1502 GMT), CBOT wheat for July delivery was down 8 cents at $6.41, July delivery corn was up 4 at $6.84-1/2 and soya for July was down 1/2 at $13.17-1/4.