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Çѱ¹È¯°æ»ý¹°ÇÐȸ / v.18, no.2, 2000³â, pp.247-253
¹èÃß À¯½Ä¹°ÀÇ »ýÀå°ú Ç×»êÈ­È¿¼ÒÀÇ È°¼ºµµ¿¡ ¹ÌÄ¡´Â Àú¼±·® ¹æ»ç¼±ÀÇ È¿°ú
( Effects of Low Dose Gamma Radiation on the Growth and Antioxidant Enzyme Activities of Chinese Cabbage (Brassica campestris L.) Seedlings )
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Àú¼±·® ${gamma}$¼±ÀÌ ½ÃÆÇÁßÀÎ ¹èÃß ½Å±ÔÁ¾ÀÚÀÎ "¸¸Á¡" ¹èÃß¿Í ¹¬Àº Á¾ÀÚÀÎ "¼­¸²¾ù°¥ÀÌ" ¹èÃßÀÇ ¹ß¾Æ¿Í Ãʱâ»ýÀ° ¹× »ý¸®È°¼º¿¡ ¹ÌÄ¡´Â ¿µÇâÀ» Á¶»çÇÏ¿´´Ù. ¹èÃßÁ¾ÀÚÀÇ ¹ß¾Æ¿Í Ãʱâ»ýÀ°¿¡ ÀÖ¾î ½Å±ÔÁ¾ÀÚ¿¡¼­´Â º°È¿°ú°¡ ¾ø¾úÀ¸³ª ¹¬Àº Á¾ÀÚ¿¡¼­´Â ÃËÁøÈ¿°ú°¡ ÀÖ¾ú°í ±× ÀûÁ¤ ¼±·®Àº 1.0Gy¿Í 2.0Gy¿´´Ù. ¹èÃßÀ¯½Ä¹°Ã¼ÀÇ ¿±·Ï¼Ò ÇÔ·®Àº Àú¼±·® Á¶»ç±¸°¡ ´ëÁ¶±¸º¸´Ù ³ô¾ÒÀ¸¸ç Á¶»ç¼±·®ÀÇ Áõ°¡¿¡ µû¶ó ´ëü·Î Áõ°¡ÇÏ¿´°í, Àú¼±·® Á¶»ç¿¡ ÀÇÇÑ ¹èÃßÀ¯½Ä¹°Ã¼ÀÇ Ç×»êÈ­È¿¼Ò Ȱ¼ºÀº Áõ°¡ÇÏ¿´À¸³ª ³·Àº ¼±·®¿¡¼­ Áõ°¡ÇÏ¿´°í ³ôÀº ¼±·®¿¡¼­´Â °¨¼ÒÇÏ¿´´Ù.°¡ÇÏ¿´°í ³ôÀº ¼±·®¿¡¼­´Â °¨¼ÒÇÏ¿´´Ù.
In order to investigate the stimulatory effect(hormesis) of low dose gamma-radiation on the seeding growth of old seeds with respect to antioxidant defense systems, various doses of gamma radiation to the 5-year-old dried seeds of Chinese cabbage (Brassica campestris L. cv Sulin eockaei). Compared to the new, 1-year- old seeds, old seeds irradiated by low does gamma radiation in the range of 1-2 Gy showed vigor growth as revealed by statistically significant increases both in the germination rates and the leaf size and fresh weight. Further, seedlings grown from seeds treated by low dose gamma radiation showed higher peroxidase and catalase activities than non-treated seedlings. These results suggest that the antioxidant defense systems could be closely related to the stimulatory effects of low dose radiation. [antioxidant enzyme, chinese cabbage, gamma radiation, germination rate, hormesis]
 
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ȯ°æ»ý¹° / v.18, no.2, 2000³â, pp.247-253
Çѱ¹È¯°æ»ý¹°ÇÐȸ
ISSN : 1226-9999
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200011921491803)
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