Thirty-one bacterial isolates out of 133 isolates, were obtained from rhizosphere of Egyptian clover plants, and had variant capability for starch degradation on starch agar medium. The isolate E109 was the most potent being 72.5 U ml1 and 2.5 for amylase activity and starch hydrolysis ratio (SHR), respectively, at 50 C. The potent isolate E109 was identified based on phenotypic characteristi…