http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
소나무 ( Pinus densiflora S . et Z . ) 압축이상재의 (壓縮異常材) 방사조직 특성에 관한 해부학적 연구
정연집(Youn Jib Chung),이필우(Phil Woo Lee) 한국산림과학회 1989 한국산림과학회지 Vol.78 No.2
This experiment was executed to investigate and compare qualitative and quantitative anatomical features in compression wood, opposite wood, and side wood formed in a bent stem, a straight branch, and an exposed horizontal root of Korean red pine(Pinus densiflora S. et Z.). The respective four discs containing compression wood taken at 20cm interval both in stem and branch as well as a disc containing well developed compression wood from horizontal root were analyzed. Percentage of compression wood and eccentricity showed decreasing tendency with the increasing distance in height direction of stem and length direction of branch. The qualitative anatomical features of compression wood appeared to differ from those of side and opposite wood in very gradual tracheid transition from earlywood to latewood, roundish tracheid shape on cross surface, tracheid distortion at tip on radial surface, existence of intercellular space, and helical cavity` in tracheid wall. And the differences in these qualitative features among the compression wood, opposite wood, and side wood became less intensive with the decreasing trends in percentage of compression wood and eccentricity. The quantitative anatomical features in compression wood also appeared to be wider in that respective widths of fusiform and uniseriate ray than those of opposite and side wood, but the heights of fusiform and uniseriate ray in compression wood were smaller than in opposite and side wood. The number of horizontal resin canal(fusiform ray) and uniseriate ray, however, showed no differences among the compression wood, opposite wood, and side wood. And the number of vertical resin canal in unit area, 4π㎟ of compression wood was fewer than that in opposite wood, whereas numerous vertical resin canals contained in a growth ring. These rays of compression wood seemed to be characterized by smaller height and wider width than those of opposite and side wood.
한국산 장미과 활엽수재의 천공을 (穿孔) 지니는 방사조직 세포
엄영근(Young Geun Eom),정연집(Youn Jib Chung) 한국산림과학회 1995 한국산림과학회지 Vol.84 No.4
Perforated ray cells are recorded far the first time in the Korean hardwoods of Rosa multiflora, Rosa multiflora var. platyphylla, Rosa rugosa. Spiraea cantoniensis, and Stephanandra incisa belonging to the family Rosaceae. The perforated ray cells have simple perforations, which are identical with the types of perforation plates in the vessel elements of same wood.
낙우송 (落羽松) ( Taxodium distichum Rich . ) 지재의 (枝材) 압축이상재 및 대응재에 관한 해부학적 특성
이필우(Phil Woo Lee),정연집(Youn Jib Chung),권미(Mi Kwon) 한국산림과학회 1991 한국산림과학회지 Vol.80 No.3
Compression wood and opposite wood formed in a branch of Taxodium distichum Rich. is described and compared in qualitative and quantitative anatomical aspects. The qualitative features of compression wood appeared to differ from those of opposite wood in very gradual tracheid transition from earlywood to latewood, roundish tracheid shape on cross surface, tracheid tip distortion on radial surface, and existence of intercellular spaces and helical cavities. In quantitative features, compression wood tracheids showed shorter lengths than opposite wood. The ray density and the number of uniseriate rays were greater in compression wood than in opposite wood but the height of uniseriate rays in compression wood was smaller than in opposite wood.
양버즘나무 ( Platanus occidentalis L . ) 팽장조직의 해부학적 특성
이필우(Phil Woo Lee),정연집(Youn Jib Chung) 한국산림과학회 1993 한국산림과학회지 Vol.82 No.1
The swollen tissue of wound origin formed after nailing c-shaped fastener to a stem of Platanus occidentalis L. was compared with normal tissue in the qualitative and quantitative anatomical aspects. The swollen tissue appeared to differ from normal tissue in irregular cell orientation, occurrence of tyloses in vessel element, less common appearance of pore multiples, narrower and shorter vessel element, lower vessel frequency, shorter and highly thick-walled wood fiber, greater number of bars per scalariform perforation plate in vessel element, larger ray frequency, larger ray width and lower ray height.
옻나무(Rhus verniciflua Stokes) 漆液溝의 解剖學的 特性
이필우,정연집 서울대학교 농과대학 농업개발연구소 1992 서울대농학연구지 Vol.17 No.2
The light microscopic anatomical characteristics of secretory canals in Rhus verniciflua Stokes grown in Korea were investigated. Secretory canals surrounded by 2-3 rows of concentric or more or less flattened secretory(epithelial) cells were distributed in secondary phloem and arranged in tangential bands. Radial and tangential diameter of canal were 30∼80㎛(average, 57㎛) and 40∼160㎛(average, 90㎛), respectively. Canal frequency, number of canals per 1㎟, was 5∼11(average, 7.85).
한국산 매자나무과 및 대극과 활엽수재의 천공을 지니는 방사조직 세포
엄영근,정연집 한국임학회 1999 한국산림과학회지 Vol.88 No.3
In present study, perforated ray cells were recorded for the first time in the species of Berberis amurensis and Berberis poiretii (Berberidaceae) and Mallotus japonicus and Sapium japonicum (Euphorbiaceae) that grow in Korea. These ray cells had simply perforations in the above species which had vessel elements with simple perforations, In Korean Berberidaceae and Euphorbiaceae, thus, the perforation types of perforated ray cells appeared to be identical with the types of perforation plates in the vessel elements is the same wood.
이필우,권미,정연집 서울대학교 농과대학 농업개발연구소 1992 서울대농학연구지 Vol.17 No.1
This paper was prepared to offer wood identification key for coniferous 28 species, belong to 14 genera and 5 families, grown in Korea mainly by microscopical diagnostic features. Identification key for coniferous woods grown in Korea was made as follows 1. Resin canals present ··························2 1. Resin canals absent ·························· 8 · 2. Epithelium cells thick walled ····················3 · 2. Epithelium cells thin walled·····················5 3. Early-latewood transition gradual ··················· 4 3. Early-latewood transition abrupt·················Larix sp 4. Cross field pits piceoid ··········Picea Koraiensis, P. jezoensis 4. Cross field pits piceoid and cupressoid ············Picea abies · 5. Ray tracheids prominently dentate ·················· 6 · 5. Ray tracheids non-dentate ······················ 7 6. Cross field pits windowlike ········Rinus densiflora, P. thunbergii 6. Cross field pits pinoid (lopsided)·····P.taeda, P.banksians, P. rigida 7. Early-latewood transition gradual ··············· P.strobus 7. Early-latewood transition abrupt ···· P.koraiensis, P.parviflora · 8. Longitudina parenchyma abundant ···················9 · 8. Longitudinal parenchyma wanting ·················· 14 9. End walls of longitudianl parenchyma cells nodular ·········· 10 9. End walls of longitudinal parenchyma cells smooth ···········13 10. Traumatic resin canals and prismatic crystals present·· ·Cedrus deodara 10. Traumatic resin canals and prismatic crystals absent ········ 11 11. Cross field pits cupressoid ····· ············Juniper sp. 11. Cross field pits taxodioid or both taxodioid and cupressoid ····· 12 12. End walls of ray parenchyma cells with indentures····Thuja orientalis 12. End walls of ray parenchyma cells lacking indentures Taxodium distichum 13. Cross field pits typical taxodioid··········Cryptomeria japonica 13. Cross field pits typical cupressoid ·········Chamaecyparis obtusa · 14. Early-latewood transition abrupt ··················15 · 14. Early-latewood transition gradual ················· 17 15. Ray tracheids present ·················· Tsuga sieboldii 15. Ray tracheids absent ························· 16 16. Prismatic crystals present··········Abies hollophylla, A. firma 16. Prismatic crystals absent ···········A. koreana, A. nephrolepis 17. Idioblasts containing druse crystals present·········Ginkgo biloba 17. Idioblasts containing druse crystals absent ··············18 18. Spiral thickenings double coil············· Torreya nucifera 18. Spiral thickenings not double coil············Taxus cuspidata