The soft rot of potato is one of the bacterium diseases influencing potato production.In order to improve the quality and yield of potato and decrease the rotten tubers,it is necessary to test the pathogen responsible for the soft rot effectively in potato.The test of soft rot pathogenic bacteria on potato via the method of 16S rDNA PCR was proven to be feasible and reliable.In the process of primer screening,the right primer can be reached by effective design based on the target tested.In the case of soft ...