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Çѱ¹½Ä¹°ÇÐȸ / v.38, no.1, 1995³â, pp.115-119
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( Ultrastructure and Histochemisty of Deteminate Vascular Cambium in Rhizome of Botrycnium tematum ) |
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In order to clarify the relationship between the activity and age of vacular cambium in the rhizome of Botrychium ternatum, the cambia of the 6th and 10th internodes from its shoot apex were compared ultrastructurally and histochemically. The cambium in the 6th internode had two to four radially arranged cells in each row, and the cells are radially flattened and had thiner tangential walls than radial. The cambial cells were ultrastructurally characterlized by the presence of a large vacuole, few storage materials such as starch grains and lipid droplets, and various cell organelles such as mitochondria, endoplasmic reticulums and dictyosomes in cytoplasm. On the other hand, the cells of cambium in the 10th internode showed irregular arangement and somewhat enlargement in radial plane. The cells were filled with numerous storage materials and small vacuoles and had few cell organelles except for mitochondria. In addition, the activity of acid phosphatase appeared in the cambium of the 6th internode but of the 10th. From the above results, it is clear that the vascular cambium of the 6th internode was active and that of the 10th was dormant. Thus we reached a conclusion that the rhizome of '||'&'||'trychium ternatum has determinate cambium. |
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À¯ÇÑ À¯°ü¼Ó Çü¼ºÃþ;¹Ì¼¼±¸Á¶;Á¶Á÷ÈÇÐ;°í»ç¸®»ï ÁöÇϰæ;determinate vascular cambium;ultrastructure. histochemistry;Botrychiurn ternatum rhizome; |
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Journal of Plant Biology / v.38, no.1, 1995³â, pp.115-119
Çѱ¹½Ä¹°ÇÐȸ
ISSN : 1226-9239
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199511920117891)
¾ð¾î : Çѱ¹¾î |
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³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø |
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