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Çѱ¹ÀÚ¿ø½Ä¹°ÇÐȸ / v.24, no.2, 2011³â, pp.168-173
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( Effect of Plant Growth Regulators and Media on Regeneration of Sorghum bicolor (L.) Moench )
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º» ¿¬±¸´Â ¼ö¼öÀÇ ¼º¼÷ Á¾ÀڷκÎÅÍ Ä¶·¯½ºÀ¯±â ¹× ÀçºÐÈ­ È¿À² Á¶»çÇϱâÀ§ÇÏ¿© ¼öÇàµÇ¾ú´Ù. ¹è¹ß»ý Ķ·¯½º Çü¼ºÀ» »ìÆìº¸±â À§ÇØ »ýÀåÁ¶ÀýÁ¦ È¿°ú¸¦ Á¶»çÇÏ¿´´Ù. ¼ö¼ö ¼º¼÷Á¾ÀڷκÎÅÍ Ä¶·¯½º À¯±â¿¡ ÀûÇÕÇÑ »ýÀåÁ¶ÀýÁ¦ Á¾·ù¿Í ³óµµ´Â 2 mg/L 2,4-DÀÎ °ÍÀ¸·Î ³ªÅ¸³µ´Ù. ¹è¹ß»ý Ķ·¯½ºÀÇ °íÈ¿À² ºóµµ´Â B5 ¹èÁö¿¡ 2 mg/L 2,4-DÀ» ÷°¡ÇÏ¿´À» ¶§ °¡Àå ¾çÈ£ÇÑ °ÍÀ¸·Î ³ªÅ¸³µ´Ù. ¹è¹ß»ý Ķ·¯½º·ÎºÎÅÍ ½Ä¹°Ã¼ ÀçºÐÈ­´Â BAP¿Í IBA¸¦ ³ÖÀº MS ¹èÁö°¡ °¡Àå ÀûÀýÇÑ °ÍÀ¸·Î ³ªÅ¸³µ´Ù. BAP ³óµµ°¡ ³ôÀ»¼ö·Ï ½ÅÃÊÀçºÐÈ­°¡ Ȱ¹ßÇÏ¿´´Ù. µû¶ó¼­, º» ¿¬±¸ °á°ú·ÎºÎÅÍ ¼ö¼ö ±â³»¹è¾ç½Ã ½ÅÃÊ¿Í ¹ß±Ù Çü¼º¿¡ È¿°úÀûÀÎ »ýÀåÁ¶ÀýÁ¦ Á¶ÇÕÀº 0.5 $mg;l^{-1}$ BAP¿Í 0.25 $mg;l^{-1}$ IBAÀÎ °ÍÀ¸·Î ³ªÅ¸³µ´Ù.
This study was carried out to optimize the embryogenic callus induction and plant regeneration from mature seeds of Sorghum bicolor. The effect of growth regulators was investigated on formation of embryogenic callus. The highest frequency of embryogenic callus was observed when the mature seeds were cultured on B5 medium supplemented with 2 mg/L 2,4-Dichlorophenoxyacetic acid (2,4-D). The highest frequency of plant regeneration from embryogenic callus was observed on MS medium with 0.5 $mg;l^{-1}$ 6-benzyl amino purine (BAP) and 0.25 $mg;l^{-1}$ indole-3-butyric acid (IBA) to optimize the shoot regeneration. High concentration of BAP (1 $mg;l^{-1}$) supplemented with IBA (0.25 $mg;l^{-1}$) was effective combination for shoot multiplication. MS medium supplemented with 1 $mg;l^{-1}$ IBA was found to be the most effective for inducing roots. Normal rooted plantlets were transferred to the greenhouse for hardening with over 90% survival rate. Hence, this reproducible protocol could be useful for mass propagation and genetic transformation of S. bicolor.
 
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Auxin;Cytokinin;Embryogenic callus;Sorghum bicolor;
 
Çѱ¹ÀÚ¿ø½Ä¹°ÇÐȸÁö / v.24, no.2, 2011³â, pp.168-173
Çѱ¹ÀÚ¿ø½Ä¹°ÇÐȸ
ISSN : 1226-3591
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO201118860407165)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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