May milling wheat on Paris-based Euronext, the last available contract for the current 2020/21 season, was down 2% by 1612 GMT to 210.50 euros a tonne.
The most-active wheat futures contract on the Chicago Board of Trade was down 0.3% at $6.10-1/2 a bushel by the end of the overnight session, near the session low of $6.08-1/4 that was its lowest since Dec 28.
"The market isn't concerned about any supply issues right now, so the market is on the defensive," a Melbourne-based grains trader said of wheat.
The soft wheat was said to have been bought at $298.49 a tonne on a cost and freight (c&f) basis for four consignments and $302.19 a tonne c&f for one consignment, all from trading house Casillo.
The durum was bought in two consignments, all at an estimated $374.68 a tonne c&f, also from Casillo.
Wheat heads lower on improving crop weather in the US Plains winter wheat belt and a lack of supportive news.
CBOT May soft red winter wheat last traded down 3-3/4 cents at $6.36-1/4 per bushel. K.C. May hard red winter wheat was last down 6 cents at $5.95 a bushel and MGEX May spring wheat was down 2-3/4 cents at $6.30-1/2.
Wheat futures lower on improved US winter wheat condition ratings and ideas that Russia might relax grain export controls.
Weekly winter wheat condition ratings improved in the last week in Kansas and Oklahoma while holding steady in Texas, the US Department of Agriculture said Monday.