Trouble with truffles

Long-feared Chinese species infiltrates Italian soil

A Chinese truffle with a reputation as a takeover artist has turned up growing in the soil of an Italian truffle plantation.

THE REAL THING A Périgord truffle grown in Italy looks roughly like its possible underground competitor, the Chinese black truffle Tuber indicum, but commands a much higher price. Murat

TRADITION INVADED A sophisticated scent detector on four legs searches out Périgord truffles that form underground near Dr´me, France.