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Çѱ¹½Ä¹°ÇÐȸ / v.35, no.3, 1992³â, pp.211-217
¼öÆòÀ¸·Î À§Ä¡ÇÑ Àº´Üdz(Acer saccharinum L.) À¯½Ä¹°ÀÇ Á¦1Àý°£¿¡ À־ ¹ÝÀÀÁ¶Á÷ÀÇ ºÐÈ­
( Differentiation of Reaction Tissues in the First Internode of Acer saccharinum L. Seedling Positioned Horizontally )
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º» ¿¬±¸´Â Áß·ÂÀڱؿ¡ ´ëÇÏ¿© ½Ä¹°Ã¼ÀÇ Àϱâ»ýÀåÀ¸·ÎºÎÅÍ À̾îÁö´Â À̱â»ýÀå Áß¿¡ ÀϾ´Â »ýÀå ¹ÝÀÀ°ú °ü·ÃÁö¾î À¯°ü¼ÓÁ¶Á÷ÀÇ ¹ß»ý»óÀÇ º¯È­¸¦ ±Ô¸íÇϱâ À§ÇÏ¿©, Àº´Üdz À¯½Ä¹°ÀÇ Á¦1Àý°£ÀÌ ¼öÆò À§Ä¡¿¡¼­ »ýÀåÇÏ´Â µ¿¾È¿¡ ÀϾ´Â ¹ÝÀÀÁ¶Á÷ÀÇ ¹ß»ý°úÁ¤À» ¿¬±¸ÇÏ¿´´Ù. ¼öÆò À§Ä¡¿¡¼­ »ýÀåÇÑ Àº´Üdz À¯½Ä¹°ÀÇ Á¦1Àý°£¿¡¼­ Àå·ÂÀç(±³Áú¼¶À¯)ÀÇ ¹ß»ý°úÁ¤Àº Á¡ÁøÀûÀÎ °úÁ¤À¸·Î ³ªÅ¸³µ´Ù. ¼öÆòÀ¸·Î À§Ä¡ÇÑ Á¦1Àý°£ÀÇ »óºÎ¿¡¼­ Àå·ÂÀçÀÇ ¹ß»ý°úÁ¤Àº ±âºÎ¿¡¼­ Á¤´ÜºÎ¸¦ ÇâÇØ ±¸Á¤ÀûÀ¸·Î ÀϾ´Ù. Àå·ÂÀçÀÇ ÇØºÎÇÐÀû Ư¼º Áß ÀϺδ ÀϱâÀ¯°ü¼Ó¿¡¼­µµ ³ªÅ¸³ª±â ½ÃÀÛÇÏ¿©, À̱â»ýÀå ÀüÇüÀûÀÎ Àå·ÂÀç°¡ ³ªÅ¸³ª°Ô µÇ¹Ç·Î ÀüÇü¼ºÃþµµ À¯°ü¼ÓÇü¼ºÃþ°ú ¸¶Âù°¡Áö·Î Á߷¿¡ ´ëÇÏ¿© ¹ÝÀÀÇÏ´Â °ÍÀ¸·Î º¼ ¼ö ÀÖ´Ù. ÀÌ·±Á¡À¸·Î º¸¾Æ ÀüÇü¼ºÃþÀº À¯°ï¼ÓÇü¼ºÃþ°ú µ¿ÀÏ ºÐ¿­Á¶Á÷À¸·Î º¸¾Æ¾ß ÇÒ °ÍÀÌ´Ù. µµ°ü¿ä¼ÒÀÇ ±æÀÌ´Â »óºÎ¿¡¼­ ±æ°Ô ³ªÅ¸³µ°í, µµ°üÀÇ Ãø¸é¹«´Ì¿¡ À־´Â »óºÎ¿Í ÇϺο¡¼­ ¸ðµÎ »ó»ýÀ¸·Î Â÷À̰¡ ¾ø¾ú´Ù. ¹æ»çÁ¶Á÷ÀÇ ÆøÀº ÀÌ¿­¹æ»çÁ¶Á÷À» ÀÌ·ç´Â »óºÎ°¡ ´Ü¿­¹æ»çÁ¶Á÷À» ÀÌ·ç´Â ÇϺο¡ ºñÇÏ¿© ³Ð°í, ³ôÀ̵µ »óºÎ¿¡¼­ ´Ù¼Ò ³ô°Ô ³ªÅ¸³µ´Ù.
In order to elucidate the formation of reaction tissues during the transition from primary to secondary growth, the developmental anatomy was conducted in the first internode of Acer sacchan'num seedling in horizontal position. During the transition from primary to secondary growth, tension wood(gelatinous fiber) was gradually developed on the upper side only, And the tension wood formation in the upper side of the horizontal first internode proceeds acropetally from base to apical portion. Some of the anatomical features of tension wood start to be in the primary vascular tissue and a typical tension wood show during the secondary growth, Therefore, the procambium seems to respond to the gravity as well as vascular cambium. For this reason, both procambium and vascular cambium has to regard as the same meristem, On the other hand, the upper side vessels were longer than those of the lower side in the horizontal first internode. The lateral-wall pitting of vessel elements, however, showed no differences between upper and lower sides which have alternate type. The width and height of rayon the upper side of horizontal first internode was larger as compared with the lower side.r side.
 
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Journal of Plant Biology / v.35, no.3, 1992³â, pp.211-217
Çѱ¹½Ä¹°ÇÐȸ
ISSN : 1226-9239
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199211920116091)
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