Fuchen Bao,Zehui Jiang,Xiaomei Jiang,Xixian Lu,Xiuqin Luo. COMPARATIVE STUDIES ON WOOD PROPERTIES OF JUVENILE VS. MATURE WOOD AND PLANTATION VS. NATUREAL FOREST OF MAIN PLANTATION TREE SPECIES IN CHENA[J]. Scientia Silvae Sinicae, 1998, 34(2): 63-76.
1. Plantation Masson pine, juvenile wood, aspirated pit membrane dish not visible, ×6000. 2. Plantation Masson pine, mature wood, aspirated pit membrane with dish, ×2800. 3. Plantation Common Chinese fir, juvenile wood, bordered. pit membrane with more abundant deposit, ×3600. 4. Plantation Common Chinese fir, mature wood, bordered pit membrane with less deposit, × 4600.5. Natural forest Common Chinese fir, juvenile wood, the most abundant deposit on bordered pit membrane, the structure of pit membrane not visible, ×4600.6. Natural forest Common Chi-nese fir mature wood, the more abundant deposit on bordered pit membrane, the structure of pit membrane less visible, ×4600. 7. Plantation Korean larch, juvenile wood, the part of aspirated pordered pit with more deposit, bordered pit membrane dish not visible, ×8000.8. Plantation Ko-rean larch, mature wood, the part of bordered pit membrane with dish, ×4600. 9. Plantation Poplar Sanbei-1', juvenile wood, intervesselar bordered pit membrane no openings, ×4600. 10. Plantation Poplar Sanbei-1', mature wood, intervesselar bordered pit membrane with openings, ×6000."
Fig.图版Ⅰ
Table 3
Anatomical features of wood from plantation and natural forest"
Table 3
Table 4
Chemical composition of juvenile and mature wood"
Table 4
Table 5
Chemical composition of wood fromplantation and nataral forest"
Table 5
Table 6
Physical properties of juvenile and mature wood"
Table 6
Table 7
Physical properties of wood fromplantation and matural forest"
Table 7
Table 8
Mechanical properties of juvenile and mature wood"
Table 8
Table 9
Mechanical properties of wood fromplantation and natural forest"
Beaudein M . Physical and mechnical properties of plantation grow n tamarack. Forest products journal, 1986. 39 (6): 5- 10.
2
Bendtsen B A , Senft J F . Properties in individual grownth rings of plantation grow n eastern cottonw ood and loblolly pine. Wood and Fiber Science, 1986. 18 (1): 23- 28.
3
Panshin A J.De Zeeuw, C.Textbook of wood technology.New York, 1980
4
Shepard A J , Shottafer J F. . Specific gravity and mechnical property-age relationship in red pine. Foarest Products Journal, 1992. 42 (7): 60- 66.
5
Zobel B J, Van Buijetenen J P.Wood variation-its causes and control.Springer -verlag Berling Heidelberg New Yerk, 1989
Larson P R . The physiological basis for wood specific gravity in conifers. Proc.IVFRO Oiv V.S outh Africa, 1978. 672- 680
9
Sudo S . Variation in tracheid length in Akamatsu (Pinus densi f lora.) Ⅷ Relation between tracheid length of juvenile and adult wood in Akamatsu from a stand in the kansai district. J.of the Japan wood Research Society, 1986. 16 (5): 209- 212.
10
Watanabe H , et al. Studies on juvenile wood.I.Experiments on stems of Sugi trees (Cryptomer ia japonica). J.of the Japan Wood Research Society, 1968. 9 (12): 225- 230.
11
Yang K C , et al. Distribution of juvenile wood in two stems of Larix laricina. Can.J.For.Res, 1986. 16, 1041- 1049.
doi: 10.1139/x86-181
