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Your Position :Home->Past Journals Catalog->2008年45 No.3

Genetic diversity assessment of Dictyoploca japonica from different areas
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Key Words:Dictyoploca japonica, ISSR, genetic diversity
Abstract:

Dictyoploca japonica Moore is one of the important forest pests, which tends to break out and spread in some parts of China. Intersimple sequence repeats (ISSR) were used as molecular markers to detect the genetic diversity of 10 geographical populations of D. japonica. The results showed that 20 ISSR primers identified from 35 could create 299 distinguishable bands, 250 of which were polymorphic. The percentage of polymorphism was 83.61%. The relative distance values between different D. japonica races were 0.231 5~0.414 7. Cluster analyses were performed based on the genetic distance matrix by using UPGMA method, which demonstrated that population differentiation has taken place in D. japonica

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