WASHINGTON — U.S. 2010 all wheat production was forecast at 2,223,523,000 bus, down 2% from 2,264,928,000 bus in August but up slightly from 2,218,061,000 bus in 2009, the U.S. Department of Agriculture said in its Sept. 30 Small Grains 2010 Summary.

The U.S.D.A. all wheat production number was below average pre-report trade estimates near 2,267 million bus.

All wheat yield was forecast at a record 46.7 bus an acre, down 0.2 bu from 46.9 bus August but up 2.2 bus from 44.5 bus an acre in 2009. Harvested area was estimated at 47,657,000 acres, down 606,000 acres from 48,263,000 acres in August and down 2,236,000 acres, or 4%, from 49,893,000 acres a year ago.

Production of spring wheat other than durum was forecast at 626,937,000 bus, down 1% from 633,245,000 bus forecast in August, but up 7% from 584,411,000 bus a year ago and the third largest crop on record. The average yield was forecast at 46.9 bus an acre, up 0.3 bus from 46.6 bus in August, up 1.8 bus from 45.1 bus in 2009 and the highest on record. Harvested area was forecast at 13,379,000 acres, down 211,000 acres from August but up 3% from 12,955,000 acres a year ago.

Production of hard red spring wheat was forecast at 580,555,000 bus, down 2% from 592,611,000 bus in August but up 6% from 547,933,000 bus in 2009.

White spring wheat production was forecast at 46,382,000 bus, up 27% from 36,478,000 bus in 2009, including soft white at 37,027,000 bus, up 29%, and hard white at 9,355,000 bus, up 19%, from 2009.

Durum outturn was forecast at 111,350,000 bus, up 2% from 108,781,000 bus in August and up 2% from 109,042,000 bus in 2009. Durum average yield was forecast at 44 bus an acre, up 2 bus from 42 bus in August but down 0.9 bus from a record high 44.9 bus in 2009 and the second highest on record, the U.S.D.A. said.

The U.S.D.A. estimated winter wheat production at 1,485,236,000 bus, down 3% from 1,522,902,000 bus in August and down 3% from 1,524,608,000 bus in 2009. The U.S.D.A. estimated winter wheat yield at 46.8 bus an acre, down 0.7 bus from 47.5 bus in August, up 2.6 bus from 44.2 bus last year and the fourth highest on record. Harvested area was 31,749,000 acres, down 336,000 acres from 32,085,000 acres in August and down 8% from 34,510,000 acres a year ago.

Hard red winter wheat production was estimated at 1,018,337,000 bus, down 1% from 1,029,288,000 bus in August but up 11% from 919,939,000 bus in 2009.

Soft red winter production was estimated at 237,804,000 bus, down 9% from 260,013,000 bus in August, down 41% from 403,984,000 bus in 2009 and down 61% from 613,578,000 acres in 2008. If realized, 2010 outturn would be the lowest since 188,920,000 bus in 1978.

White winter wheat outturn was estimated at 229,095,000 bus, down 2% from 233,601,000 bus in August but up 14% from 200,685,000 bus in 2009, including soft white at 215,599,000 bus, up 18% from last year, and hard white at 13,496,000 bus, down 26%.

U.S.D.A. wheat by class estimates were all below average pre-report trade estimates except for durum.

The U.S.D.A. estimated 2010 oats production at 81,855,000 bus, down 6% from 87,239,000 bus in August, down 12% from 93,081,000 bus in 2009 and the lowest on record. Harvested area was forecast at 1,268,000 acres, down 4% from August, down 8% from 2009 and also the lowest on record.

Barley production in 2010 was estimated at 181,884,000 bus, down 1% from August and down 20% from 227,323,000 bus in 2009. Harvested area was 2,471,000 acres, down 21% from 2009 and the lowest since 1882.

Rye outturn in 2010 was estimated at 7,431,000 bus, up 6% from 6,993,000 bus a year ago. Harvested area was 265,000 acres, up 5% from 252,000 acres in 2009.