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Çѱ¹ÀÚ¿ø½Ä¹°ÇÐȸ / v.12, no.2, 1999³â, pp.107-119
ÅÊÀÚ(Poncirus trifoliata RAFIN.)ÀÇ ±â³» ÀçºÐÈ­ ¹× Á¶Á÷ÇÐÀû Ư¼º
( In vitro regeneration and the change of anatomical appearance in Poncirus trifoliata RAFIN. )
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º» ¿¬±¸¿¡¼­´Â ÅÊÀÚÀÇ ¹Ì¼º¼÷¹è·ÎºÎÅÍ Ä¶·¯½º À¯µµ¿Í ÀçºÐÈ­¿¡ °üÇÏ¿© ¿¬±¸ÇÏ¿´´Ù. ÅÊÀÚ ¹è¹ß»ý Ķ·¯½ºµéÀº 3% sucrose¿Í 44.4 $mu extrm{m}$ BA·Î ó¸®µÈ $frac{1}{2}$MS¹èÁö¿¡¼­ ±¤Á¶»ç(2,000 1x, 16h)½Ã¿¡ ¹Ì¼º¼÷Á¾ÀÚÀÇ ¹è·ÎºÎÅÍ À¯µµµÇ¾úÀ¸¸ç ½Ä¹°Ã¼ ÀçºÐÈ­´Â MS¹èÁö¿¡ 5.0 $mu extrm{m}$ BA¸¦ ÷°¡ÇÏ¿´À» ¶§ °¡Àå ¾çÈ£ÇÏ¿´´Ù. ÅÊÀÚ´Â ¹è¾ç2~3ÁÖ°æ¿¡ ´ãȲ»öÀÇ Ä¶·¯½º°¡ À¯µµµÇ¾úÀ¸¸ç ¹è¾ç5~6ÁÖ°æºÎÅÍ´Â µüµüÇÑ ³ì»öÀÇ Ä¶·¯½º·Î º¯ÇÏ¿´´Ù. ±â³» ÀçºÐÈ­´Â 3% sucrose¿Í 5.0 $mu extrm{m}$ BA°¡ ÷°¡µÈ MS¹èÁö¿¡¼­ ¹è¹ß»ý Ķ·¯½º·ÎºÎÅÍ Á÷Á¢ À¯µµµÇ¾ú´Ù. ¶ÇÇÑ ¹è¾ç 12ÁÖ ÈÄ¿¡ Multishoot°¡ ÀçºÐÈ­µÇ¾úÀ¸¸ç, ¹è¾ç 16ÁÖ ÈÄ¿¡ »Ñ¸®°¡ Çü¼ºµÇ¾ú´Ù. ¶ÇÇÑ »Ñ¸®°¡ Çü¼ºµÈ ½Ä¹°Ã¼µéÀº Åä¾çÀ¸·Î ¿Å°ÜÁ® ¿ÏÀüÇÑ ½Ä¹°Ã¼·Î Àß ÀÚ¶ú´Ù. ±¤ÇÐ Çö¹Ì°æ °üÂû½Ã ÅÊÀÚ¿¡¼­´Â ¹è¾ç4ÁÖ°æ¿¡ ÇϾá»öÀÇ Á¶¹ÐÇÑ ¹è¾çµÈ ¼¼Æ÷µéÀÌ ³ªÅ¸³µ´Ù. ¹è¾ç6ÁÖ°æºÎÅÍ´Â ¼¼Æ÷µéÀÌ ½ÅÀåµÇ¸é¼­ ¹è¹ß»ý µ¹±â°¡ ³ªÅ¸³µÀ¸¸ç ÁÖº¯ÀÇ ¼¼Æ÷µéÀº ¾×Æ÷È­ µÇ¾ú´Ù. ¶ÇÇÑ ¹è¾ç12ÁÖ°æ¿¡´Â ¹Ì¼º¼÷ ÀÙ¿¡¼­ ¹ß´ÞµÈ À¯³¶°ú ÀüÇü¼ºÃþÀ» °üÂûÇÏ¿´´Ù.
In this study, the induction regeneration of callus from immature embryo in trifoliata orange (Poncirus trifoliata RAFIN.) were accomplished. The embryogenic calli were induced from the immature embryo derived from seed when the calli were irradiated for 16hr at about 2,000 Lux in $frac{1}{2}$ MS medium supplemented with 3% sucrose, and 44.4$mu$M BA. Regeneration to whole plants was the most successful in MS medium containing 5.0$mu$M BA. The yellowish callus was developed at 2 to 3 weeks of culture and the callus was changed from yellow to green at 5 to 6 weeks culture. In vitro regeneration was directly induced from embryogenic callus in MS medium containing 3% sucrose and 5.0$mu$M BA. Multishoot was formed at 16 weeks culture. Moreover, when the root-formed plantlet was transplanted to soil, they grew to a whole plant. The compact cultured-cells were observed by light microscope after 4 weeks of cultivation and the embryogenic clumps were formed about the 5 weeks. At the same time, the neighboring cells were liquefied. In addition, differentiation of leaf and stem from the callus was observed after 12 weeks. The developed oil sacs and the profacicular cambium of the immature leaf were observed after 18 weeks. Therefore, we can see the considerable changes of cell arrangements according to the developmental stages of calli from trifoliata orange.
 
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Trifoliata(Poncirus trifoliata RAFIN.);Yellowish callus;Multishoot;Embryogenic clumps;profacicular cambium;
 
Çѱ¹ÀÚ¿ø½Ä¹°ÇÐȸÁö / v.12, no.2, 1999³â, pp.107-119
Çѱ¹ÀÚ¿ø½Ä¹°ÇÐȸ
ISSN : 1226-3591
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199911921402109)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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