Stock Photo - 1955 - Searching for the perfect potato. Dr,. C.Cockerman shows a visitor form the Council for Scientific and Industrial Research Organization, Australia, Dr. J.E.Giles, his special potato test plots for seedlings producing special types. 15 years research for the perfect potato. Scotland still leads the world in potato breeding. It was Dr. William Black of Boghall Farm near Edinburgh , Scotland, who discovered the world's best and flawless potato in 1946 after working on it for 20 years and called it the 'Craig's Bounty'. Research still goes on to counter stunt diseases in potatoes and the various odd ailments that effect it. Dr. Black continues his researches with other experts like Dr. G. Cockerman and Dr. T. Mairi R. McGhee at the Scottish plant breeding station at Corstorphine. Edinburgh, in the hope they will be able to immune all types of potato plants and tubers from the dreaded wart and blights. Experiments are being made with grafts on the Solanum Demissum, a wild Mexican Species which is immune from blight and is used for breeding blight resisting potatoes, A special type of Chinchilla rabbit is bred to help researchers. Over 2000 varieties of potatoes including many types grown in other parts of the world, are grown and tested in the field plots, and if they are found to be up to a given standard the breeders submit their seedlings to the department of Agriculture and Seed Testing station next door to their own headquarters. (Credit Image: © Keystone Pictures USA/ZUMAPRESS.com)