"At this time, we have no information that this wheat variety has entered commerce, " the USDA said in a statement.

WSJ: Asian Buyers Shun U.S. Wheat

By 1963 95% of Mexico's wheat was Borlaug's variety, and the country's wheat harvest was six times what it had been when Borlaug set foot in the country.

ECONOMIST: The story of man's staple food

The Cambridge-based National Institute of Agricultural Botany has combined an ancient ancestor of wheat with a modern variety to produce a new strain.

BBC: Cambridge-based scientists develop 'superwheat'

Of that, 80% was soft white wheat, with Spain the biggest importer of that variety, according to the European Commission.

WSJ: Asian Buyers Shun U.S. Wheat

So Mr Borlaug first bred wheat cultivars for rust-resistance, a ten-year task, and then crossed them with Norin, a dwarf Japanese variety, to produce a shorter, straighter, stronger wheat which, when properly charged with water and fertiliser, gave three times the yield.

ECONOMIST: Norman Borlaug

This new, drought-resistant variety requires only one-eighth as much irrigation as conventional wheat, and in some deserts can be cultivated with rainfall alone.

FORBES: Move up http://i.forbesimg.com t Move down

These exchanged funds (ETFs) purchase a variety of agricultural commodity futures, and increases in the price of wheat, corn, cattle, and other food prices will benefit shareholders of these securities.

FORBES: Trading Food Inflation