Abstract:Abstracts:〗By measuring multiple kind of indicators of fruit of redder skin color bud mutation and its control fruit in Red Flag slope farm, this experiment showed that firmness and fruit shape index of mutant fruit were basically the same with control fruit. Reducing sugar content and total sugar content of mutant fruit were significantly higher than those of control fruit.The anthocyanin content was outstandingly higher than that of control fruit. The inherent quality and coloring were better than those of control fruit. All the indicators showed that this mutant material was excellent variation material with good comprehensive characters, which had the value of breeding.