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Genetic Diversity of Superior Clones from Pinus koraiensis Seed Orchard

Feng Fujuan,Zhang Dongdong)College of Life Sciences,Northeast Forestry University,Harbin 150040,P.R.China);Han Shijie(Institute of Applied Ecology,Chinese Academy of Sciences)  
The genetic diversity and genetic differentiation of Pinus koraiensis superior clones from Lushuihe seed orchard were studied using DNA extracted from seed endosperm as experimental material and Pinus koraiensis natural population in Lushuihe as control by meaos of ISSR(inter-simple sequence repeats)DNA marker.Results show that the majority of genetic variation occurs within populations,with a small proportion of genetic diversity measured between the seed orchard and the natural population.It is concluded that limited number of populations in seed orchard will not lead to reduce the genetic diversity,and the genetic structure of progeny can be forecasted for it is similar to its parents.
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