WHEAT - Up 7 to 10 cents per bushel
Higher on technical buying and spillover strength from soybeans and corn, along with deteriorating US winter wheat condition ratings.
The US Department of Agriculture (USDA) late Tuesday rated 61pc of the US winter wheat crop in good to excellent condition, down from 66 percent the previous week.
The USDA said the US spring wheat crop was 84pc seeded, near analyst expectations but behind the five-year average of 91pc.
Benchmark CBOT July soft red winter wheat contract reached $5.21-3/4 ahead of the break in trade, its highest since Feb. 14.
CBOT July wheat last traded up 9-1/2 cents at $5.14-1/4 per bushel. K.C.
July hard red winter wheat was last up 12-1/2 cents at $4.73-1/4, and MGEX July spring wheat rose 8 cents to $5.65-1/2.
CORN - Up 9 to 12 cents per bushel.
Corn higher on a slower-that-expected US planting pace and worries that fieldwork delays may curb plantings and production.
Contract highs set in most deferred contracts.
The USDA late Tuesday said the US corn crop was 58pc planted, lagging the average estimate in an analyst poll for 63pc and far behind the five-year average of 90pc.
Most-active CBOT July corn reached $4.38 in early moves, the highest spot corn price since June 2016, but pared gains ahead of the pause in trade.
CBOT July corn last traded up 11-1/2 cents at $4.31-3/4 per bushel.
SOYBEANS - Up 24 to 26 cents per bushel.
Soybeans higher on worries about US planting delays and forecasts for more rain this week. Benchmark CBOT July soy reached $8.92-3/4 in early moves, its highest since April 22.
The USDA late Tuesday said the US soybean crop was 29pc planted, below the average estimate in an analyst poll for 31pc and far behind the five-year average of 66pc.
China's Dalian soymeal futures rose more than 3pc in early trade, posting their biggest daily gain since June 2018, buoyed by strong US soybean prices on delayed planting.
CBOT July soybeans last traded up 25-3/4 cents at $8.81-3/4 per bushel.