A fingerprinting database was established containing 163 japonica rice varieties from different breeding organizations of Yunnan province with microsatellite markers. Based on genetic fingerprints,the best primer combinations were selected for Yunjing series rice varieties,then the molecular identity( ID) of 35 Yunjing series rice varieties was constructed. The genetic diversity and cluster analysis of 35 varieties were discussed using 30 pairs of polymorphic SSR markers. The total number of alleles detecte...