Crop diversity are all susceptible to a single fungus, "Fusarium oxysporum" (Panama disease); large areas of the crop were destroyed by the fungus in the 1950s. 'Gros Michel' has been replaced by the current main banana on the market, the 'Cavendish', which in turn is (2015) at risk of total loss to a strain of the same fungus, 'Tropical Race 4'. Such threats can be countered by strategies such as planting multi-line cultivars and cultivar mixes, in the hope that some of the cultivars will be resistant to any individual outbreak of disease. The implications of crop diversity are at both local
Crop (anatomy) all true quail (Old World quail and New World quail) have a crop, but buttonquail do not. While chickens and turkeys possess a crop, geese do not have one. The fact that geese do not have crops occasioned what many consider to be the great fictional detective Sherlock Holmes'—or rather author Arthur Conan Doyle's—biggest forensic blunder. In "The Adventure of the Blue Carbuncle", a large valuable gem is supposedly hidden in a goose's crop. Crop (anatomy) A crop (sometimes also called a croup or a craw, or ingluvies) is a thin-walled expanded portion of the alimentary tract used for the