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Çѱ¹È¯°æ»ý¹°ÇÐȸ / v.20, no.4, 2002³â, pp.386-390
¼Ò³ª¹« ±¸°úÀÇ ¿­°³ Çö»ó¿¡ ´ëÇÑ ºñ±³ÇüÅÂÇÐÀû ¿¬±¸
( Comparative Morphological Aspects for the Opening Phenomenon in the Cone of Pinus densiflora )
ÀÓµ¿¿Á;±èöȯ; È£³²´ëÇб³ ÀÚ¿¬°úÇкÎ;ÀüºÏ´ëÇб³ »ý¹°°úÇкÎ;
 
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¼Ò³ª¹« ±¸°úÀÇ ¿­°³Çö»óÀ» ºñ±³ÇüÅÂÇÐÀû ÇüÁúÀ» ÅëÇØ °üÂûÇÏ¿´´Ù. ¾î¸° ±¸°ú¿¡¼­´Â Á¶Á÷ÀÇ ºÐÈ­°¡ ¿ÏÀüÇÏ°Ô ÀϾÁö ¾Ê¾ÒÁö¸¸ °¢ ±â°üÀ¸·Î ºÐÈ­µÇ´Â °úÁ¤ÀÓÀ» ¾Ë ¼ö ÀÖ¾ú´Ù. ¼º¼÷ÇÑ ±¸°ú¿Í µ¿ÀÏ Å©±âÀÇ ³ì»ö ±¸°ú¿¡¼­ À¯°ü¼Ó´Ù¹ß°ú º¸°­Á¶Á÷ÀÇ ¼öÃà·üÀº °¢°¢ 1.0¡­l.5%¿Í 14.0¡­l6.0%¿´´Ù ½ÇÆíÀÇ Á¾´ÜºÎ´Â À¯Á¶Á÷°ú º¸°­¼¼Æ÷·Î¸¸ ±¸¼ºµÇ¾î ÀÖ¾ú°í, Á߾Ӻδ Á¾´ÜºÎ¿Í ±âºÎ µÎ²²°¡ ºñ½ÁÇÏ¿´´Ù. ±âºÎ´Â ½ÇÆí°ú ½ÇÆí ¹ÞħÀÌ ÀÖ¾î ´õ¿í µÎ²¨¿üÀ¸¸ç, À¯°ü¼Ó´Ù¹ßº¸´Ù º¸°­Á¶Á÷ÀÌ 2¹è ÀÌ»ó µÎ²®°Ô ³ªÅ¸³µ´Ù. °á·ÐÀûÀ¸·Î ±¸°ú°¡ ¿ÏÀü ¼º¼÷ÇÏ¿© °ÇÁ¶µÊ¿¡ µû¶ó, Á¾´ÜºÎ´Â º¸°­Á¶Á÷À¸·Î¸¸ ±¸¼ºµÇ¾îÀÖ¾î Á¶Á÷³» ¼öÃุ ÀϾ°í Á߾Ӻδ µÎ Á¶Á÷°£ µÎ²²°¡ ºñ½ÁÇØ ¹ÛÀ¸·Î ÈÖÁö ¾Ê´Â´Ù. ±×·¯³ª ½ÇÆí³» ±âºÎ¿¡¼­ ¹èÃà¸é¿¡ À§Ä¡ÇÑ º¸°­Á¶Á÷ÀÌ µÎ²®°í, À¯°ü¼Ó´Ù¹ßº¸´Ù º¸°­Á¶Á÷¿¡¼­ ¼öÃà·üÀÌ ÈξÀ Å©¹Ç·Î ½ÇÆíÀÇ ±âºÎ°¡ ¹ÛÀ¸·Î ÆìÁö°Ô µÇ¾î ±¸°ú´Â ¿­°³µÈ´Ù.
The opening phenomenon of mature female cone in Pinus densiflora aye observed from the anatomical characteristics. The differentiation of tissue in young cone aye not complete and are going on. In the green cone as large as the adult cone, shrink-age rate of vascular strands and sclerenchyma aye 1.0¡­1.5£¥ and 14.0¡­16.0% respectively. The end parts of cone scales are composed of the parenchymatous cell and sclerenchyma. The middle parts in cone scales are composed of the sclerenchyma and vascular strands with the same thickness and more thin than the thickness of the end part and basal one. But thickness of sclerenchyma which compose of scale prop in the basal part of cone scale aye twice than that of vascular strand. In mature cone, the opening phenomenon of the pine cone results from the difference of shrinkage rate between vascular bundle and sclerenchyma. Especially, opening of cone scales are due to larger shrinkage rate of sclerenchyma than vascular strands in the basal part of cone scale.
 
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opening phenomenon;female cone;sclerenchyma;Pinus densiflora;
 
ȯ°æ»ý¹° / v.20, no.4, 2002³â, pp.386-390
Çѱ¹È¯°æ»ý¹°ÇÐȸ
ISSN : 1226-9999
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200211921713840)
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