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KMID : 0368419850280020127
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Journal of Plant Biology
1985 Volume.28 No. 2 p.127 ~ p.140
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Comparative Anatomy of the Secondary Xylem in the Root and Stem of Some Korean Betulaceae
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Abstract
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A comparative anatomy between the secondary xylem in the root and stem of Korean Betulaceae, including 5 genera and 6 species, was carried out in this study. Anatomical characteristics of the secondary xylem in the root and stem are as follows: Diameter of vessel and fiber is wider in the root than the stem, while the number of vessel and fiber per unit area is fewer in the root than the stem. The length of vessel element is longer in the stem than the root, whereas length of the fiber is longer in the root than the stem. Number of bar in the perforation plate is more in the stem than the root, and the angle of perforation plate is broader in the root than the stem. Number of ray per unit area is more in the root than the stem.
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