Crop diversity fruit trees and banana plants) are cloned. A single pest or disease could threaten a whole crop due to this uniformity ("genetic erosion"). A well-known historic case was the Irish Potato Famine of 1845-1847, where a vital crop with low diversity was destroyed by a single fungus. Another example is when a disease caused by a fungus affected the monocultured 1970 US corn crop, causing a loss of over one billion dollars in production. A danger to agriculture is wheat rust, a pathogenic fungus causing reddish patches, coloured by its spores. A virulent form of the wheat disease, stem rust,
Panama scandals at the same time. Although off by two years the Panama Scandals were the only scandals involving France and South America at this time period. Panama scandals The Panama scandals (also known as the Panama Canal Scandal or Panama Affair) was a corruption affair that broke out in the French Third Republic in 1892, linked to the building of the Panama Canal. Close to half a billion francs were lost when the French government took bribes to keep quiet about the Panama Canal Company's financial troubles in what is regarded as the largest monetary corruption scandal of the 19th century.