In this study,we used RAPD to analyze four kinds of color-flowered Salvia splendens Ker-Gawl,and the optimal RAPD reaction conditions were the optimal reaction mixture(25μL total volume)that contained 2.0μL 10×buffer,0.45 mmol·L^(-1) dNTPs, 2.0 mmol·L^(-1)Mg^(2+),2 U Taq DNA polymerase,0.30 umol·L^(-1)primer and 40 ng genomic DNA.Total 84 bands were amplified from 12 primers used,and the differential bands had 28 bands,which was 33% of total bands.In cluster group analysis,the four kinds of color-flowered were divided into two styles.One style is that the red color and red-white color were grouped together,then they grouped with purple color into one cluster,and the white color was another style.
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