Wheat growers in several exporting countries are reluctant to sell their crops with prices near four-year lows, traders, farmers and millers say, leaving flour makers with dwindling supplies and vulnerable to any potential upswing in prices.

Improved unload times expected for wheat deliveries
"We are in the red zone"
Sales, however, may be slow
Beirut port silos had capacity for 120,000 tonnes; about 15,000 tonnes were stored at time of blast
Soy drop biggest in 2-1/2 weeks; corn extends losses on big supply, weak ethanol demand