Forest Bioresources Department

Forest Bioresources Department aims to conduct research for conservation and sustainable use of forest genetic resources, and development of high value-added forest trees and functional microorganisms for increasing forest productivity and income improvement in rural areas and forest villages. Under this goal, the Division strives to analyze genome information of forest bioresources, develop conservation and genetic restoration strategies of forest genetic resources, improve useful characteristics of forest tree resources and mass production techniques. We are also committed to developing new cultivars of special-purpose tree resources for commercial utilization and short-term income, breeding new strains of forest mushrooms and discovering useful functions of forest microorganisms.

Forest Tree Improvement and Biotechnology Divisio

Forest Tree Improvement and Biotechnology Division has carried out researches on the quantitative and qualitative improvement of economic tree species that can be used for timber production and other uses by integrating advanced biotechnology into the conventional methodology. Through these studies, we expect to contribute to the enhancement of the economic values of forest tree resources and adaptation to climate change. In this context, we conduct researches on the genetic test of domestic and exotic tree species, fostering advanced generation breeding populations to increase genetic gain, enhancement of carbon absorption capacity and environmental functionality of forest trees, and so on. Additionally, BT-based technologies such as molecular breeding, genetic engineering, and clonal propagation are also studied to improve the efficiency of tree improvement.

Improvement of economic tree species

To foster high-grade forest tree resources needed for the establishment of economic forests, we are conducting on the selection of plus trees, the establishment of breeding populations, genetic tests and selection of superior genetic materials for an advanced generation. In order to improve breeding efficiency and shorten the breeding period, accelerated breeding researches using molecular breeding technology such as genomic selection are also conducted.

  • Plus tree selection
    Plus tree selection

    Plus tree selection

  • Creation of breeding population
    Creation of breeding population

    Creation of breeding population

  • Growth survey using ICT equipment
    Growth survey using ICT equipment

    Growth survey using ICT equipment

  • Genomic selection
    Genomic selection

    Genomic selection

Enhancement of carbon absorption capacity and environmental functionality of forest trees

To enhance the carbon absorption capacity and environmental functionality of forest tree resources for adapting to climate change, we are conducting researches
on biological responses to environments of forest trees, improvement of biomass productivity of tree species, development of new variety by the artificial cross, phytobiome-based enhancement of environmental functionality of tree species, adaptability test for selecting suitable tree species to future climate, development of dissemination technology for practical use, and so on.

  • Introduction of promising exotic tree species
    Introduction of promising exotic tree species

    Introduction of promising exotic tree species

  • Adaptability test of exotic tree species
    Adaptability test of exotic tree species

    Adaptability test of exotic tree species

  • Development of new poplar variety
    Development of new poplar variety

    Development of new poplar variety

  • Phytobiome analysis
    Phytobiome analysis

    Phytobiome analysis

Genetic Engineering

To utilize the useful traits and functional characteristics of forest tree resources in timber production and development of green biomaterial, we are conducting research on omics such as genomics, transcriptomics and metabolomics, discovering and characterizing useful genes, transformation, genome editing, and so on.

  • Genome editing process
    Genome editing process

    Genome editing process

  • Albino poplar
    Albino poplar

    Albino poplar

  • Low-lignin poplar
    Low-lignin poplar

    Low-lignin poplar

  • Isolated testing field for genome-edited tree
    Isolated testing field for genome-edited tree

    Isolated testing field for genome-edited tree

Clonal Propagation

For mass-propagation of the selected superior tree via tree improvement research, we are developing various in vitro techniques such as cell and organ culture, somatic embryogenesis, and so on. These asexual propagation techniques can be used not only for mass-production of the high-qualified somatic plants (clone) for the establishment of economic forests but also for the production of tree species that are difficult to propagate with conventional methods.

  • Initiation of  embryogenic tissue
    Initiation of embryogenic tissue

    Initiation of embryogenic tissue

  • Induction of somatic embryo
    Induction of somatic embryo

    Induction of somatic embryo

  • Somatic plantlet differentiation
    Somatic plantlet differentiation

    Somatic plantlet differentiation

  • Mass production of somatic plant (clone)
    Mass production of somatic plant (clone)

    Mass production of somatic plant (clone)

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