WHEAT - Down 7 to 9 cents per bushel
* Lower on follow-through technical selling after Friday's weak close and spillover weakness from corn and soybeans as US planting weather improves.
* The CBOT reported no May wheat deliveries and 10 K.C. May wheat deliveries. The MGEX reported no May spring wheat deliveries.
* CBOT July soft red winter wheat last traded down 9-1/4 cents at $5.17 per bushel. K.C. July hard red winter wheat was last down 9 cents at $5.46-3/4 and MGEX July spring wheat was down 7-1/4 cents at $6.15-3/4 a bushel.
CORN - Down 2 to 3 cents per bushel
* Lower on forecasts for better US planting weather, and long liquidation after the US Commodity Futures Trading Commission's weekly commitments report showed large speculators sharply expanded their net long in CBOT corn in the week to May 1.
* The supplement to the CFTC's weekly commitments report showed large speculators widened their net long position in CBOT corn by about 68,000 contracts in the week to May 1, to 220,874 lots.
* The CBOT reported 246 deliveries against May corn futures.
* CBOT July corn last traded down 3 cents at $4.03-1/4 a bushel.
SOYBEANS - Down 5 to 7 cents per bushel
* Soybeans lower on technical selling and improving planting weather in the US Midwest. Worries persist about export demand for US supplies after trade talks between US and Chinese officials ended last week without agreements on biggest issues.
* Deliveries against CBOT May soybeans totaled 68 contracts. The CBOT reported no May soymeal deliveries and 108 May soyoil deliveries.
* CBOT July soybeans last traded down 6-3/4 cents at $10.30 per bushel.