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Çѱ¹ÀÚ¿ø½Ä¹°ÇÐȸ / v.17, no.2, 2004³â, pp.75-81
ÃÊÀú¿Â ÀúÀåÀÌ ´Ù¸¨³ª¹« Á¾ÀÚÀÇ ¹ß¾Æ¿Í À¯¹¦ÀÇ »ýÀ寝¼º¿¡ ¹ÌÄ¡´Â ¿µÇâ
( Effects of Cryopreservation on the Seed Germination and Growth Properties of Seedlings of Maackia amurensis )
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This study was conducted to investigate effects of cryopreservation by vitrification on the seed germination rate and growth and physiological properties of seedlings of Maackia amurensis. Cryopreservation significantly decreased the germination rate of seeds of M. amurensis, but the reduction of germination rate was mitigated by the treatment of cryoprotectant (plant vitrification solution, PVS2) before plugging into liquid nitrogen and fast thawing rate after cryopreservation. Long-term PVS2 exposure decreased seed germination rate, whereas cryopreservation time didn't have influence on seed germination rate. In addition, growth and physiological properties of seedlings were not affected by PVS2 exposing time and cryopreservation time. Therefore cryopreservation could be widely used as a technique of long-term ex situ conservation without any damage and deterioration of cells or tissues of the forest seeds. However, in order to increase the effect of cryopreservation, we have to develope the lower toxic cryoprotectant and suitable techniques to the structural or chemical properties of a variety of seeds.
 
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vitrification;cryoprotectant;PVS2;thawing rate;ex situ conservation;
 
Çѱ¹ÀÚ¿ø½Ä¹°ÇÐȸÁö / v.17, no.2, 2004³â, pp.75-81
Çѱ¹ÀÚ¿ø½Ä¹°ÇÐȸ
ISSN : 1226-3591
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200411922350668)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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