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Çѱ¹ÀÚ¿ø½Ä¹°ÇÐȸ / v.18, no.3, 2005³â, pp.403-409
¹Ì·ù³ª¹« ¼º¼÷ Àý°£Á¶Á÷À¸·ÎºÎÅÍ ½Ä¹°Ã¼ Áõ½Ä
( Shoot Regeneration of Mature Nodal Segments in Poplar (Populus deltoides) )
¾çÈñ¼±;°­È£´ö; ȯ°æºÎ ±¹¸³È¯°æ¿¬±¸¿ø ȯ°æ¿¬¼öºÎ;µ¿±¹´ëÇб³ »ý¸íÀÚ¿ø°úÇдëÇÐ »ê¸²ÀÚ¿øÇаú;
 
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¹Ì·ù³ª¹« Àý°£Á¶Á÷(2³â»ý)À» ÀÌ¿ëÇÏ¿© ½Ä¹°»ýÀåÁ¶Àý¹°ÁúÀÌ ÇÔÀ¯µÈ MS¹èÁö¿¡¼­ ´ë·®ÀÇ ½Ä¹°Ã¼¸¦ Áõ½Ä½ÃÄ×´Ù. ´ëºÎºÐÀÇ ½Ä¹°Ã¼´Â BA 1.0 + TDZ 0.1 mg/L°¡ ÇÔÀ¯ÇÑ ¹èÁö¿¡¼­ ÁÙ±âÀÇ Çü¼ºÃþ ºÎºÐ¿¡¼­ ÀýÆí´ç $24.6;{pm};4.6$°³ÀÇ ÁٱⰡ À¯±âµÇ¾úÀ¸¸ç, ¸î¸î ÁÙ±â´Â ÇǸñ ºÎºÐÀÇ Á¶Á÷¿¡¼­ À¯±âµÇ¾ú´Ù. ½ÅÀåµÈ ÁÙ±â´Â NAA 0.01 mg/L°¡ Æ÷ÇÔµÈ ¹èÁö¿¡¼­ $94.6%$ÀÇ ¹ß±ÙÀÌ ÀÌ·ç¾îÁ³´Ù. ½ÅÀåµÈ ÁÙ±âÀÇ ¹ß±ÙÀº ½Ä¹°»ýÀåÁ¶Àý¹°Áú¿¡ µû¶ó Â÷À̸¦ º¸¿© NAA¿Í IBA¿¡¼­ $90%$ ÀÌ»óÀÇ ¹ß±ÙÀÌ ÃËÁøµÇ¾úÀ¸³ª, cytokinin·ù¸¦ ó¸®ÇÑ ½Ã·á¿¡¼­´Â $50%$ ÀÌÇÏÀÇ ³·Àº ¹ß±ÙÀ²À» ³ªÅ¸³Â´Ù. ¹ß±ÙµÈ À¯½Ä ¹°Ã¼´Â Cell-trayÀÇ Àΰø»óÅä(peatmoss : vermiculite : perlite = 1 : 1 : 1)¿¡ À̽ÄÇÏ¿© 8ÁÖ°£ »ýÀ°ÈÄ $98%$ÀÇ ³ôÀº »ýÁ¸À²À» ³ªÅ¸³Â´Ù. º» ¿¬±¸°á°ú, 2³â»ý ¹Ì·ç³ª¹«·ùÀÇ Áٱ⿡¼­ Á÷Á¢ ´ë·®ÀÇ Áٱ⸦ À¯µµÇÏ¿© ´ë·®Áõ½Ä°úÁ¤À» ´Ü¼øÈ­ ½ÃÄ×À» »Ó¸¸ ¾Æ´Ï¶ó Á¶Á÷¹è¾ç¹¦ °æÈ­½Ã multi-capÀ» ÀÌ¿ëÇÏ¿© »ýÁ¸À²À» Çâ»ó½Ãų ¼ö ÀÖ¾ú´Ù.
Mature nodal segments of 2-year-old greenhouse stock plant were cultured on Murashige and Skoog basal medium supplemented with the different kinds and various concentrations of cytokinins to produce multiple shoots in in vitro condition. The most adventitious shoots were produced from excised ends of nodal segments. The highest average number $(24.6;{pm};4.6)$ of shoots was produced with the combination of BA 1.0mg/L and TDZ 0.1mg/L in MS medium. In addition, several shoots were formed from lenticels of bark cambium with the same treatment. These concentrations promoted high shooting capability upto $94.6%$ and NAA was the best cytokinin among five different PGR sources.
 
Ű¿öµå
adventitious shoot formation;lenticel;mature nodal segment;Populus deltoides;
 
Çѱ¹ÀÚ¿ø½Ä¹°ÇÐȸÁö / v.18, no.3, 2005³â, pp.403-409
Çѱ¹ÀÚ¿ø½Ä¹°ÇÐȸ
ISSN : 1226-3591
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200507523330249)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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