Differentiation of Genera Pinus, Picea, and Abies by the Transfusion Tracheid Phytoliths of Pinaceae Leaves
2002 年 46 巻 1 号 p. 32-35
詳細
2002 年 46 巻 1 号 p. 32-35
We directed our attention to the sizes of bordered pits on the surface of the transfusion tracheid phytoliths in and studied its difference among Pinus, Picea, and Abies. The sizes tended to increase in the order of Pinus (6.02 ± 0.42μm) > Picea (4.31 ± 0.49μm) > Abies (3.07 ± 0.33μm). The difference in average value was significant at 0.1% level. This suggests that we can assess the distribution and succession of northern conifers (Abies sachalinensis and Picea jezoensis var. jezoensis) by investigating the density of opal phytolith originating from transfusion tracheid cells and sizes of bordered pits on them. Though the sizes of bordered pits on the transfusion tracheid phytoliths did not differ largely among the conifers belonging to the same genus, there seemed to be a little difference among Picea glehnii, P. hitchensis, P. kaoraiensis, and P. jezoensis. Further study is nessessary to compare statistically. The size of bordered pits on the transfusion tracheid phytoliths using many individual Picea jezoensis var jezoensis and Abies sachalinensis.
