In order to study the genetic diversity of Japanese apricot varieties in Guangdong based on molecule level,57 Japanese apricot varieties were analysed by using AFLP technique in this experiment.Eight AFLP primer combinations(MseⅠand EcoRⅠ) were screened out from 64 pair of primers.The clear fingerprint maps were obtained from the 57 Japanese apricot varieties.The results suggested that the eight pairs of primer combinations could be used to distinguish all tested cultivars.A total of 33117 fragments were ge...