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Çѱ¹»ý¹°È¯°æÁ¶ÀýÇÐȸ / v.13, no.3, 2004³â, pp.135-142
Osmotic Priming ¹× Solid Matrix Priming 󸮿¡ ÀÇÇÑ ´ç±Ù°ú ¾çÆÄÁ¾ÀÚÀÇ ¹ß¾ÆÁõÁø°ú Ãʱâ»ýÀ°¿¡ ¹ÌÄ¡´Â ¿µÇâ
( Effect of Osmotic and Solid Matrix Priming to Improve Germination and Early Growth of Carrot and Onion Seed )
°­Á¡¼ø; ¹Ð¾ç´ëÇб³ ¿ø¿¹Çаú;
 
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º» ¿¬±¸´Â ´ç±Ù°ú ¾çÆÄ¿¡¼­ ¹ß¾Æ·Â ÁõÁø¿¡ ¹ÌÄ¡´Â osmotic priming°ú SMPÈ¿°ú¸¦ ºñ±³Çϱâ À§ÇØ ¼öÇàµÇ¾ú´Ù. Osmotic priming°ú SMP 󸮰úÁ¤Áß ÀÛ¹°º° ¼öºÐÈí¼öÀ²Àº ó¸® 1½Ã°£ ÈÄ ±Þ¼ÓÇÑ ¼öºÐÈí¼ö°¡ ÀÌ·ç¾îÁ³°í, µÎ ÀÛ¹° ¸ðµÎ osmotic primingÀÌ SMPº¸´Ù ¼öºÐÈí¼ö ¼Óµµ°¡ »¡¶ú´Ù. ÀÌ·¯ÇÑ °æÇâÀº ó¸® 4½Ã°£±îÁö À¯ÁöµÇ¾ú´Ù. ó¸®ÃÖÁ¾ÀÏÀÇ ¼öºÐÈí¼öÀ²Àº ´ç±Ù°ú ¾çÆÄ¿¡¼­ osmotic primingÀÌ SMPº¸´Ù 2%³ô¾Ò´Ù. Osmotic priming°ú SMP 󸮴 µÎ ÀÛ¹° ¸ðµÎ ¹ß¾ÆÀ²À» Çâ»ó½ÃŰÁö ¸øÇßÁö¸¸ $T_{50}$ ¹× MDG´Â ´ÜÃàµÇ¾î Á¶±â¹ß¾Æ ÇÏ¿´À¸¸ç, ÀÌ·¯ÇÑ °æÇâÀº Àú¿ÂÀÎ $15^{circ}C$¿¡¼­ ´õ¿í ÇöÀúÇÏ¿´´Ù. Osmotic priming°ú SMP ó¸® ÈÄ ÃʱâÇÔ¼öÀ²·Î Àç°ÇÁ¶ÇÏ¸é ´ç±Ù¿¡¼­´Â ¹ß¾Æ¼Óµµ¿¡ Å« Â÷À̰¡ ¾ø¾úÀ¸³ª, ¾çÆÄ¿¡¼­´Â Ç¥¸é°ÇÁ¶¿¡ ºñÇØ ¹ß¾Æ¼Óµµ°¡ Áö¿¬µÇ¾ú´Ù. Osmotic priming°ú SMP »óȣ󸮰£ ¹ß¾Æ·ÂÀ» ºñ±³ÇÑ °á°ú µÎ ÀÛ¹° ¸ðµÎ SMP 󸮰¡ osmotic primingº¸´Ù ¹ß¾ÆÃËÁø¿¡ È¿°úÀûÀ̾ú´Ù. ´ç±Ù°ú ¾çÆÄÁ¾ÀÚ¸¦ osmotic priming°ú SMP ó¸®ÇÏ¸é ¹¦ÃâÇöÀ²µµ Çâ»óµÇ¾ú°í, ¹¦ÃâÇö¿¡ ¼Ò¿äµÇ´Â Àϼö¸¦ ´ÜÃà½ÃÄÑ ½Å¼ÓÇÑ ¹¦ÃâÇöÀ» À¯µµÇÏ¿´´Ù. ±×·¯³ª ¹¦ÃâÇö¿¡ ÀÌÀº À¯¹¦ÀÇ Ãʱâ»ýÀ°¿¡´Â Åë°èÀûÀÎ À¯ÀǼºÀº ÀÎÁ¤µÇÁö´Â ¾Ê¾ÒÀ¸³ª osmotic priming°ú SMP ó¸®µÈ Á¾ÀÚ´Â ¹«Ã³¸®¿¡ ºñÇØ Çâ»óµÇ¾ú´Ù.
The objective of this study was carried out to determine which method is effective for improving seed germination in carrot and onion among osmotic or solid matrix priming. Seeds were osmotic primed with -0.5 MPa polyethylene glycol 8000 (PEG) solution and solid matrix primed with Micro Cel E (seed, Micro Cel E, and water mixed with the ratio of 4.0£º2.0£º8.0 by weight for carrot, and the ratio of 4.0£º1.2£º5.0 for onion at $20^{circ}C$ for 4 days). Seeds were rapidly absorbed water after osmotic priming and solid matrix priming treatment. The moisture content of solid matrix primed seeds was lower than that of osmotic primed seeds in carrot and onion. Osmotic priming and solid matrix priming did not influenced on increasing of percent germination, but $T_{50}$ of treated seeds was shorter than those of untreated seeds at four temperature regimes. The effects of osmotic or solid matrix priming in reducing the $T_{50}$ was greater when the seeds were germinated at $15^{circ}C$ than at $25^{circ}C$ and $30^{circ}C$ temperature. Solid matrix primed seeds germinated faster than osmotic primed seeds at all temperature in both carrot and onion. After priming, surface-dried seeds germinated faster than dried-back seeds in carrot and onion. Emergence speed of carrot and onion seeds was faster than untreated seeds by osmotic priming or SMP treatment although the final emergence percentage was not significantly influenced. On the other hand, early growth was not significantly influenced by osmotic priming or SMP treatment of carrot and onion seeds.
 
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50% ¹ß¾Æ¿¡ ¼Ò¿äµÇ´Â Àϼö;Ç¥¸é°ÇÁ¶;¿ÏÀü°ÇÁ¶ Micro Cel E;$ extrm{T}^{50}$;surface dried;dried back;
 
»ý¹°È¯°æÁ¶ÀýÇÐȸÁö / v.13, no.3, 2004³â, pp.135-142
Çѱ¹»ý¹°È¯°æÁ¶ÀýÇÐȸ
ISSN : 1229-4675
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200411922995649)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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