杉木材性株内的变异Ⅱ.管胞形态的变异

Abstract

Abstract:

The differences and radial variation patterns of tracheid length, width. slendemess and the relationship between the mechanical properties and tracheid morphology among different heights and four cardinal sides within 5 Chinese Fir trees from Zhejiang province were detemined and analysed. The profiles of tracheid morphology at different heights and different carinal sides are roughly similar (except the profiles of slendemess at cardinal sides). There are significant positive comalations between the tracheid morphology and age. Boad variance analysis shows that there are no significant differences between tracheid morphology at different heights and different cardinal sides(except the slendeness at cardinal sides). There are significant diffbrences between tracheid morphology at different ages. MOR, one of main mechanical properties, significantly comelates with tracheid length, any correlations between other mechanical properties and tracheid morphology cannot find.

Key words: Tracheid length, Tracheid width, Slendemess, Chinese fir, Variation within a tree

Xiaomei Jiang,Xiuqin Luo,Yitai Chen,Jiwei Wen. VARIATION OF WOOD PROPERTIES WITHIN TREES OF CHINESE FIR II.VARIATION OF TRACHEID MORPHOLOGY[J]. Scientia Silvae Sinicae, 1997, 33(5): 441-446.

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VARIATION OF WOOD PROPERTIES WITHIN TREES OF CHINESE FIR II.VARIATION OF TRACHEID MORPHOLOGY

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