Potato (Solanum tuberosum L.) is an herbaceous, dicotyledonous, starchy, tuberous and annual vegetable crop. It is most cultivated vegetable crop of temperate and tropical and sub-tropical regions of the world. Potatoes stand fourth as world's most abundant food crop after rice, maize, and wheat.Potato soft rot caused by Erwinia carotovora has been reported to be most destructive and widely distributed disease. Samples were collected on basis of symptoms from different areas of Rawalpindi, Islamabad, Taxila and Gujranwala and the pathogen was isolated. Rhizobacteria were isolated from the...