Potato (Solanum tuberosum L.) is the important crop that can be used as staple food and vegetables in the world. It plays very important role in daily life and national economy. But serious disease has greatly hampered the development of the potato industry. The enhancement of consumer’s demand for processing potato varieties bring out researchers new objectives. In conventional sexual hybridization of potato, the segregation of homology tetraploid of potato cultivars made it very time consuming...