The comparative study of microorganisms associated with the spoilage of banana. “Banana is a general term embracing a number of species or hybrid in the genus musa, family bacteria organisms, small pieces of decayed tissue from the leading edge of the lesion was transferred, by means of sterile techniques, to the SDA contained in covered dishes and incubated at room temperature (28-370c). The fungal and bacterial growth visible within 2-7 days. Each observed fungal and bacterial growth based on their morphological and cultural microscopic examination and this microscopic examination was done using the lactophenol staining technique. Some organisms like Erwinia species has been incriminated as pathogen, saprophyte or constituent of epiphyic flora of plants.