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Comparison of Genetic Variation between Pre-practice Mature Trees and Post-practice One-year Old Seedlings in Pinus densiflora Natural Regeneration Stands
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  • Journal title : Journal of Korean Forest Society
  • Volume 104, Issue 4,  2015, pp.543-548
  • Publisher : Korean Forest Society
  • DOI : 10.14578/jkfs.2015.104.4.543
 Title & Authors
Comparison of Genetic Variation between Pre-practice Mature Trees and Post-practice One-year Old Seedlings in Pinus densiflora Natural Regeneration Stands
Ahn, Ji Young; Lee, Jei Wan; Lee, Seok Woo; Baek, Seung Hoon; Lim, Hyo In; Kim, Hyun Seop;
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 Abstract
We studied the genetic impact of natural regeneration practices, such as Single seed tree, Group seed tree, Patch clear cutting and Alternate strip clear cutting systems, by comparing the nuclear microsatellite(nSSR) variation of post-practice natural regeneration one-year old seedlings of Pinus densiflora to that of pre-practice mature trees. The levels of genetic diversity of seedlings (A=13.6, =4.3, =0.571, =0.597) were similar to those of mature trees (A=13.4, =4.3, =0.596, =0.598) and the differences in the level of genetic diversity between seedlings and mature trees for each of the practices were not statistically significant. The degree of genetic differentiation between seedlings and mature trees was very low (=0.002) and the pairwise values between seedlings and mature trees for all practices were less than 0.01. Overall, the natural regeneration practices appeared to have only minor impacts on the genetic diversity and the genetic composition in the studied P. densiflora stands. For a better understanding of the genetic effects of natural regeneration practices, subsequent studies such as temporal genetic variation of seedlings formed by crossing among post-practice mature trees should be considered.
 Keywords
genetic diversity;genetic differentiation;nSSR marker;pre-practice mature trees;post-practice seedlings;
 Language
Korean
 Cited by
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