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Çѱ¹È¯°æ»ý¹°ÇÐȸ / v.23, no.1, 2005³â, pp.64-70
º­ÀÇ Á¾ÀÚ ¹ß¾Æ¿Í »ýÀ° ¹× ±¤ÇÕ¼º¿¡ ´ëÇÑ Àú¼±·® °¨¸¶¼±°ú »ýÀåÁ¶Àý¹°ÁúÀÇ »ó½ÂÀÛ¿ë È¿°ú
( Synergistic Effects of Low Dose Gamma Irradiation and Growth Regulators on Seed Germination, Growth and Photosynthesis in Rice (Oryza sativa L.) )
¹é¸íÈ­;Á¤º´¿±;±èÁøÈ«;À§½Â°ï;±èÀ缺;ÀÌÀÎÁß; Çѱ¹¿øÀڷ¿¬±¸¼Ò ¹æ»ç¼±À̿뿬±¸ºÎ;Çѱ¹¿øÀڷ¿¬±¸¼Ò ¹æ»ç¼±À̿뿬±¸ºÎ;Çѱ¹¿øÀڷ¿¬±¸¼Ò ¹æ»ç¼±À̿뿬±¸ºÎ;Çѱ¹¿øÀڷ¿¬±¸¼Ò ¹æ»ç¼±À̿뿬±¸ºÎ;Çѱ¹¿øÀڷ¿¬±¸¼Ò ¹æ»ç¼±À̿뿬±¸ºÎ;°æºÏ´ëÇб³ ³óÇаú;
 
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º­ÀÇ À¯¹¦ »ýÀ°°ú ±¤ÇÕ¼º È¿À²¿¡ ´ëÇÑ Àú¼±·® ¹æ»ç¼±°ú »ýÀåÁ¶Àý¹°Áú °£ÀÇ »ó½ÂÀÛ¿ë È¿°ú¸¦ È®ÀÎÇϱâ À§ÇØ 4³â µÈ Á¾ÀÚ·Î ±â³»½ÇÇè°ú ¿Â½Ç½ÇÇèÀ» ¼öÇàÇÏ¿´´Ù. ±â³»½ÇÇè¿¡¼­ °üÂûÇÑ Á¾ÀÚ ¹ß¾ÆÀÇ °æ¿ì ¹æ»ç¼±À» Á¶»çÇÑ IBA 0.001 ppm 󸮱¸¿¡¼­ °¡Àå ³ôÀº °ªÀ» º¸¿´´Ù. ¶ÇÇÑ, ÆÄÁ¾ 6ÀÏ ÈÄ ÃøÁ¤ÇÑ À¯¹¦ »ýÀ°Àº ¹æ»ç¼± ¹« Á¶»ç±¸º¸´Ù ¹æ»ç¼±À» Á¶»çÇÑ GA©ý¿Í IBA 󸮱¸¿¡¼­ ´ëü·Î ³ôÀº °ªÀ» º¸¿´À¸¸ç, ±× Áß IBA 0.001 ppm 󸮿¡¼­ Àú¼±·® ¹æ»ç¼±°ú »ýÀåÁ¶Àý¹°Áú°£ÀÇ À¯ÀǼº ÀÖ´Â »ó½ÂÀÛ¿ë È¿°ú¸¦ È®ÀÎ ÇÒ ¼ö ÀÖ¾ú´Ù. Àú¼±·® ¹æ»ç¼±À» Á¶»ç ÇÑ ÈÄ IBA 0.001 ppmÀ» ó¸®ÇÏ¿© °üÂûÇÑ ¿Â½Ç ½ÇÇè¿¡¼­µµ À¯¹¦ »ýÀ°¿¡¼­ÀÇ »ó½ÂÀÛ¿ë È¿°ú¸¦ È®ÀÎÇÒ ¼ö ÀÖ¾ú´Ù. ±¤ÇÕ¼º È¿À²À» È®ÀÎÇϱâ À§ÇØ ÃøÁ¤ÇÑ ¿±·Ï¼Ò Çü±¤Àº »ýÀåÁ¶Àý¹°Áú¿¡ ÀÇÇØ¼­¸¸ Â÷À̸¦ º¸¿©, IBA 󸮿¡ ÀÇÇØ ±¤°è 2ÀÇ ¾çÀÚ ¼öÀ²À» ³ªÅ¸³»ÁÖ´Â ¬¶/sub PS¥±/¿Í ±¤È­ÇÐÀû ¼Ò¸êÀ» ³ªÅ¸³»´Â qP´Â Áõ°¡ÇÏ¿´°í ºñ±¤È­ÇÐÀû ¼Ò¸êÀ» ³ªÅ¸³»´Â Çü±¤ÁöÇ¥ÀÎ qNÀº °¨¼ÒÇÏ¿´´Ù. ÀÌ·¯ÇÑ °á°ú¸¦ ÅëÇØ Àú¼±·® ¹æ»ç¼±À» Á¶»çÇÑ ÈÄ »ýÀåÁ¶Àý¹°ÁúÀ» ó¸®ÇÏ¿´À» ¶§ º­ÀÇ Á¾ÀÚ ¹ß¾Æ¿Í ´õºÒ¾î »ýÀ°ÀÌ µÎ ¿äÀΰ£ÀÇ »ó½ÂÀÛ¿ë È¿°ú·Î ÃËÁøµÊÀ» È®ÀÎÇÒ ¼ö ÀÖ¾ú´Ù.
To investigate the synergistic effects of low dose gamma irradiation and growth regulators on the growth and photosynthesis in rice (Oryza sativa L.), laboratory and greenhouse experiments were conducted using 4-year-old rice seeds. In the laboratory experiment, the germination rate was increased in 0.001 ppm IBA treatment, showing the synergistic effect of gamma irradiation and growth regulators. The seedling growth was increased by treatment of GA©ý and IBA, the irradiated groups having higher than the non-irradiated ones. Particularly, it was remarkable in 0.001 ppm IBA. In greenhouse experiment, seedling growth was increased in response to a combination of gamma irradiation and 0.001 ppm IBA. Effective quantum yield of PS¥±(¬¶/sub PS¥±/) and photochemical quenching (qP) were increased, while non-photochemical quenching (qN) was decreased by 0.001 ppm IBA. A synergistic effect of gamma irradiation and IBA was only found in seedling growth. The present results suggest that low dose gamma irradiation and growth regulator could synergistically stimulate seedling growth.
 
Ű¿öµå
synergistic effect;low dose gamma irradiation;growth regulator;photosynthesis;rice;
 
ȯ°æ»ý¹° / v.23, no.1, 2005³â, pp.64-70
Çѱ¹È¯°æ»ý¹°ÇÐȸ
ISSN : 1226-9999
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200516610524852)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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