Journal of agriculture & life science (농업생명과학연구)

Institute of Agriculture & Life Science, Gyeongsang National University (경상대학교 농업생명과학연구원)
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Distribution of the Genetic Resource and the Biomass of Root Bark of Ulmaceae Species

  • Park, Dong Jin (Department of Seed and Seedling Management, NFSV) ;
  • Yong, Seong Hyeon (Division of Environmental Forest Science, Gyeongsang National University(Institute of Agriculture and Life Science)) ;
  • Yang, Woo Hyeong (Division of Environmental Forest Science, Gyeongsang National University(Institute of Agriculture and Life Science)) ;
  • Seol, Yuwon (Division of Environmental Forest Science, Gyeongsang National University(Institute of Agriculture and Life Science)) ;
  • Choi, Eunji (Division of Environmental Forest Science, Gyeongsang National University(Institute of Agriculture and Life Science)) ;
  • Kim, Hyeong Ho (Division of Environmental Forest Science, Gyeongsang National University(Institute of Agriculture and Life Science)) ;
  • Ahn, Mi-Jeong (College of Pharmacy, gyeongsang National University) ;
  • Choi, Myung Suk (Division of Environmental Forest Science, Gyeongsang National University(Institute of Agriculture and Life Science))
  • Received : 2018.09.20
  • Accepted : 2018.10.20
  • Published : 2019.04.30
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Abstract

Stem and root of elm trees have used as traditional medical materials, but there is little information on the distribution and resources of habitats. Korean native growing Ulmus spp. (U. davidiana var. Japonica, U. parvifolia, U. davidiana, and U. macrocarpa) genetic resources studied through The National Forest Inventory of Korea data and field survey. The distributions of U. davidiana var. japonica according to elevation distributed evenly. Both U. parvifolia and U. davidiana were inhabited mostly at less than 200 m of altitude. Each Ulmaceae species widely were distributed nationwide, but a dominant species was different depending on locals. It observed that Ulmaceae inhabits mainly in steep slopes of 31-45 degrees. Most of the habitats regenerated by natural seeding and the most abundant species were a codominant tree. Distribution of trees in U davidiana var. japonica was 7 m-13 m, and in young U. parvifolia and U. macrocarpa, more than 25% of young trees less than 7 m observed. The distribution of the diameter of breast height of the U. davidiana var. japonica was 46.4% for 11-20 cm, 52.6% for 11-20 cm in U. parvifolia. The average T/R ratio was 0.83, and the mean weight ratio of root bark was 62%. As the results of this study, the domestic Ulmaceae biomassare very small. It is difficult to harvest in that the habitat on the slope. Thus, it is too hard to develop functional materials using biomass at present. Therefore, it is necessary to develop technology for the selection and propagation of elite trees of Ulmaceae.

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References

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