Method for breeding potatoes and method for producing seed potatoes

摘要

A method for breeding potatoes by which the breeding of potatoes can be carried out in a shorter time period and smaller labor than by conventional methods is disclosed. The method for breeding potatoes according to the present invention comprises, in the order mentioned, the steps of: preparing diploid clones of potatoes; selecting diploid clones having a desired character from said diploid clones; preparing protoplasts from the selected diploid clones; fusing said protoplasts to obtain tetraploid fused hybrid cells; and growing tetraploid hybrid plants from said tetraploid fused hybrid cells.