Somatic Hybrids Obtained Directly After Fusion Containsall Organelles from the Cytoplasms of Both Parents. Somatic Hybridization Viaprotoplast Isolation, Electrofusion and Regeneration Is a Useful Tool Totransfer Polygenic Traits Such As Late Blight Resistance In a Single Step. Itenables a Development of Tetraploid Somatic Hybrid Between Diploid Wild Speciesand Dihaploid of Common Potato. As a Result, Tetraploid Somatic Hybrids May Beutilized In Conventional Breeding For Late Blight Resistance and Improvement Ofother Traits.