As a crop used as both vegetable and grain , potato play an important role in people’s life. But potato is suffering yield and quality reducing these years because of diseases caused by microbiology ,among them bacteria are main pathogen.
Diseased samples were collected from Ding Xi, Hui Chuan, Wei Yuan, Zhang Ye where potato are the third important crop and eight isolates of bacteria were acquired by lineation on flat and isolation. Pathogenic test were done through two methods. Th...