October 23, 2009 - China's abrupt cancellation of Canadian canola imports is confusing authorities who say they don't understand the rationale behind the move. According to reports, the Chinese have expressed concerns about a fungus called blackleg. The Canola Council of Canada says blackleg disease poses no risk to human health. Nevertheless, the Chinese insist they will not accept any Canadian canola seed shipments unless the product is certified as free of the disease. The move is effective Nov. 15......