RAPD analysis on genetic diversity of natural populations of Pinus koraiensis
天然红松群体遗传多样性的RAPD分析

Genetic diversity and differentiation of three natural populations of Pinus koraiensis in Northeast China were studied with the method of RAPD.Through the amplification with 38 random primers,241 repeatable loci in which 139 were polymorphic were detected.Percentage of polymorphic loci was 57 68%.According to the measurement of Shannon index and Nei's index,genetic diversity of Pinus koraiensis mainly distributed within population.In the studied populations of Pinus koraiensis, the level of genetic diversity of PLS was higher than that of PHH and PHL.The average genetic similarity within populations was 0 927,that among populations was 0.845.The relative low level of genetic diversity in Pinus koraiensis was largely connected with the serious attack during glacier of the Quaternary Period and the interference from human ativities.