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Article
Tracheary elements that resemble secondary xylem in calli derived from the conifers, Torreya nucifera and Cryptomeria japonica
Differentiated cells were recognized in calli derived from needles of Torreya nucifera and in calli derived from immature zygotic embryos of Cryptomeria japonica. Some differentiated cells resembled tracheary ele...
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Article
Radial variations in the anatomical characteristics and density of the wood of Acacia mangium of five different provenances in Indonesia
The anatomical characteristics and density of wood were examined in 23-year-old Acacia mangium trees that had been planted in Yogyakarta, Indonesia. The seeds had been collected from trees of five different prove...
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Article
Plant regeneration by somatic embryogenesis from mature seeds of Magnolia obovata
We attempted to develop a method for the regeneration of plantlets from mature seeds of medically important Magnolia obovata via the induction of somatic embryogenesis in vitro. We initially cultured halves of ma...
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Article
Morphological changes in the cytoskeleton, nuclei, and vacuoles during cell death of short-lived ray tracheids in the conifer Pinus densiflora
Morphological changes in the cytoskeleton, nuclei, and vacuoles were monitored during the cell death of short-lived ray tracheids in the conifer Pinus densiflora. After formation of the dentate thickenings that o...
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Article
Bending creep performances of three-ply cross-laminated woods made with five species
To improve the performance of cross-laminated woods, 30 types of three-ply parallel-laminated and cross-laminated woods were prepared from five species with various densities and shear compliances in cross sec...
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Article
Static bending strength performances of cross-laminated woods made with five species
Thirty types of three-ply parallel- and cross-laminated woods were prepared from five species, and their static bending strength performance were investigated. The modulus of elasticity (MOE), proportional lim...
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Article
Changes in levels of endogenous plant hormones in cambial regions of stems ofLarix kaempferi at the onset of cambial activity in springtime
The total amounts of endogenous indole-3-acetic acid (IAA), cytokinins, and abscisic acid (ABA) were quantified by gas chromatography-selected ion monitoring-mass spectrometry (GC-SIM-MS) in cambial regions of...
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Article
Somatic embryogenesis from immature and mature zygotic embryos ofCryptomeria japonica I: Embryogenic cell induction and its morphological characteristics
Embryogenic cells (ECs) of sugi (Cryptomeria japonica D. Don) were induced from immature and mature zygotic embryos cultured on different concentrations of 2,4-dichlorophenoxyacetic acid (2,4-D)-containing modifi...
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Article
Bending creep behavior of wood under cyclic moisture changes
This study examined the bending creep behavior in the longitudinal direction of six species under cyclic moisture content (MC) changes. For each species, tests were made at 20°C with five cyclic relative humid...
