"But the negative comments from the Russians have been going on for so long that there seems a general acceptance that something will change." Concern about a possible halting of Ukrainian sea exports has been tempered by large supplies in Russia, though some traders argue prices do not reflect risks to Black Sea supply due to a bearish stance among investment funds. Chicago wheat fell further to a 21-month low, also pressured by forecasts for significant rainfall this week in drought-affected U.S. winter wheat zones. Traders were awaiting a wheat import tender called by Tunisia for Wednesday, with the apparent exclusion of Black Sea origins raising the prospect of sales for Western European wheat. Rapeseed, widely used in biodiesel, was dragged down by crude oil as investors fretted over the economic outlook. August rapeseed on Euronext ended down 4.8% at 437.00 euros a tonne, after earlier hitting a one-month low. Weekly data on European Union grain exports and imports was postponed due to a technical problem.
Rain this week in much of Europe was expected to keep crops in good shape, with the notable exception of drought-hit Spain. In Germany, standard 12% protein wheat for May delivery in Hamburg was offered for sale around level the Euronext May contract, with buyers seeking one euro under following trade at one euro under on Monday. ($1 = 0.9118 euros) (Reporting by Gus Trompiz in Paris and Michael Hogan in Hamburg; Editing by Paul Simao and Grant McCool)
Messaging: gus.trompiz.thomsonreuters.com@reuters.net))