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Çѱ¹»ý¹°È¯°æÁ¶ÀýÇÐȸ / v.12, no.4, 2003³â, pp.221-227
Priming 󸮿¡ ÀÇÇÑ Å丶Åä Á¾ÀÚÀÇ ¹ß¾Æ·Â°ú Membrane Integrity¿¡ ¹ÌÄ¡´Â ¿µÇâ
( Effect of Seed Priming on the Germination Performance and Membrane Integrity of Tomato(Lycopersicon esculentum Mill.) Seeds )
°­Á¡¼ø;¼Õº´±¸;¾ÈÁ¾±æ; ¹Ð¾ç´ëÇб³ ¿ø¿¹Çаú;¹Ð¾ç´ëÇб³ ¿ø¿¹Çаú;¹Ð¾ç´ëÇб³ ¿ø¿¹Çаú;
 
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º» ¿¬±¸¿¡¼­´Â Å丶Åä Á¾ÀÚÀÇ priming ¹× ¹ß¾Æ°úÁ¤ Áß ¼¼Æ÷¸·ÀÇ ±â´ÉÀÌ Á¾ÀÚȰ·Â¿¡ ¹ÌÄ¡´Â ¿µÇâÀ» ±¸¸íÇϰíÀÚ ÇÏ¿´´Ù. Å丶Åä Á¾ÀÚÀÇ ÀûÁ¤ priming ó¸®Á¦´Â 150 mLÀÇ $KNO_3$¿´°í, priming ó¸®µÈ Á¾ÀÚ´Â ¹ß¾ÆÃËÁø¿¡ À¯È¿ÇÏ¿´À¸¸ç, ±× È¿°ú´Â Àú¿Â¿¡¼­ ÇöÀúÇÏ¿´´Ù. $KNO_3$·Î primingÀº 󸮰úÁ¤Áß Ã³¸®Á¦¿¡¼­ ºÐ¸®µÈ ÀÌ¿ÂÀÌ Á¾ÀÚ³»·Î À̵¿ÇÏ¿´´Ù. Priming 󸮰úÁ¤Áß Àü±âÀüµµµµ´Â ¹ß¾Æ¼Óµµ ´ÜÃà¿¡ °¡Àå È¿°úÀûÀ̾ú´ø $KNO_3$¿¡¼­ 󸮰³½Ã Á÷ÈÄ ¾à°£ ³·¾Ò´Ù°¡ ±× ÈÄ Ã³¸®ÃÖÁ¾ÀϱîÁö ÀÏÁ¤ÇÑ ¼öÁØÀ» À¯ÁöÇÏ¿´´Ù. ¹ß¾Æ±â°£Áß ¿ë¾×ÀÇ Àü±âÀüµµµµ´Â $KNO_3$ ¿ë¾×À¸·Î priming ó¸®µÈ Á¾ÀÚ¿¡¼­´Â ³·¾ÒÀ¸³ª, $K_3PO_4$ ¿ë¾×À¸·Î priming Á¾ÀÚ¿¡¼­´Â ³ô°Ô ³ªÅ¸³µ´Ù. ¹ß¾ÆÃËÁø¿¡ °¡Àå È¿°úÀûÀ̾ú´ø priming ó¸®Á¦ÀÎ 150 mLÀÇ $KNO_3$ ¿ë¾×À¸·Î priming ó¸®Çϸé 󸮰úÁ¤Áß ´Ü¹éÁú, ¾Æ¹Ì³ë»ê, °¡¿ë¼º ´çÀÇ À¯Ãâ·®Àº $K_3PO_4$ ¹× ħÁöÁ¾ÀÚ¿¡ ºñÇØ ³·¾ÒÀ¸¸ç, ±× È¿°ú´Â ¹ß¾Æ½Ã¿¡µµ À¯ÁöµÇ¾ú´Ù.
The objective of this research was to determine the effect of seed priming on membrane integrity during poriming and germination. Among the five chemicals, $KNO_3$at 150 mL gave the shortest $T_{50}$ (days required to reach 50% of the final germination percentage). Compared to unprimed, the seeds primed with 150 mL $KNO_3$ at 20$^{circ}C$ for 4 days had reduced $T_{50}$ values when germinated at 15$^{circ}C$. These results indicated that seed priming is an effective way for rapid and synchronized germination, especially at low temperature. Changes in conductivity of priming solutions during the 4-days period of priming were highly dependent upon the priming agents. Conductivity of the $KNO_3$ and $K_3PO_4$ solution slowly declined during the first 3 hours ad then increased Amount of amino acids, sugars and proteins exuded from seeds into $KNO_3$ solution were less than those into distilled water and $K_3PO_4$. All the results suggested that the $KNO_3$ priming play a positive role in regulating the permeability of cell membranes.
 
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´Ü¹éÁú;¾Æ¹Ì³ë»ê;´ç;¹ß¾Æ;Àü±âÀüµµµµ;protein;amino acid;sugar;germination;conductivity;
 
»ý¹°È¯°æÁ¶ÀýÇÐȸÁö / v.12, no.4, 2003³â, pp.221-227
Çѱ¹»ý¹°È¯°æÁ¶ÀýÇÐȸ
ISSN : 1229-4675
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200315875836922)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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