 "wheat")
Chicago wheat futures jumped 6 per centand corn rose more than 2 per cent on Monday as Russia's withdrawal from a Black Sea export agreement raised concerns over global supplies.
The most active wheat contract on the Chicago Board of Trade (CBOT) was up 6.1 per cent at $8.79-1/2 a bushel at 1221 GMT, having touched $8.93 for its highest since 14 October.
Wheat futures hit a record high of $13.64 a bushel in March.
