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Çѱ¹»ý¹°È¯°æÁ¶ÀýÇÐȸ / v.14, no.4, 2005³â, pp.233-238
ÀÚÁÖÃÊ·Õ²ÉÀÇ ±â³» ÀÚ°¡¿µ¾ç¹è¾ç½Ã $CO_2$³óµµ, ȯ±âȽ¼ö ¹× ±¤µµ°¡ »ýÀå¿¡ ¹ÌÄ¡´Â ¿µÇâ
( Effect of $CO_2$ Concentration, NAEH and Light Intensity on the Photoautotrophic Growth of Campanula punctata 'Rubriflora' Plantlets In Vitro )
½ÉÀç³²;±è°æÈñ;Á¤º´·æ; °æ»ó´ëÇб³ ´ëÇпø ÀÀ¿ë»ý¸í°úÇкΠ¿ø¿¹Çаú;°æ»ó´ëÇб³ ´ëÇпø ÀÀ¿ë»ý¸í°úÇкΠ¿ø¿¹Çаú;°æ»ó´ëÇб³ ´ëÇпø ÀÀ¿ë»ý¸í°úÇкΠ¿ø¿¹Çаú, °æ»ó´ëÇб³ ³ó¾÷»ý¸í°úÇבּ¸¿ø;
 
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ÀÚÁÖÃÊ·Õ²É(Campanula punctata 'Rubriflora')ÀÇ ÀÚ°¡¿µ¾ç¹è¾ç½Ã $CO_2$ ³óµµ,ȯ±âȽ¼ö ¹× ±¤µµ°¡ ¼Ò½Ä¹°Ã¼ÀÇ »ýÀå¿¡ ¹ÌÄ¡´Â ¿µÇâÀ» Á¶»çÇÏ¿´´Ù. $1,500{mu}mol{cdot}m^{-1}$°í³óµµ$CO_2$¿¡¼­´Â ±¤µµ¸¦ ³ôÀϼö·Ï ÃÊÀå, ¿±¼ö°¡ Áõ°¡µÇ¾úÀ¸³ª, ÃÖ´ë±ÙÀåÀº À¯ÀǼºÀÌ ÀÎÁ¤µÇÁö ¾Ê¾Ò´Ù ¿±·Ï¼ÒÀÇ ÇÔ·®Àº ±¤µµ°¡ ³ôÀ» ¶§º¸´Ù´Â ³·Àº °æ¿ìÀÎ $70{mu}mol{cdot}m^{-2}s^{-1}$¿¡¼­ °¡Àå ¸¹ÀÌ Áõ°¡µÇ¾ú´Ù ¿±¸éÀûÀº ±¤µµ°¡ ³ôÀ»¼ö·Ï ÀÛ¾ÆÁö´Â °æÇâÀ» º¸¿´À¸¸ç, $CO_2;1,500{mu}mol{cdot}mol^{-1}$ ȯ±âȽ¼ö $2.8h^{-l},;PPF; 220{mu}mol{cdot}m^{-2}{cdot}s^{-1}$¿¡¼­ °¡Àå Å« Â÷ÀÌ·Î ÀÛ°Ô ³ªÅ¸³µ´Ù. »ýüÁß°ú °Ç¹°ÁßÀº $CO_2$ ³óµµ, ȯ±âȽ¼ö, PPF°¡ ³ôÀ»¼ö·Ï Áõ°¡µÇ¾ú´Ù. ƯÈ÷ $CO_2;1,500{mu}mol{cdot}mol^{-1}$, ȯ±âȽ¼ö $2.8h^{-1},;PPF; 220{mu}mol{cdot}m^{-2}{cdot}s^{-1}$¿¡¼­ °¡Àå Å©°Ô Áõ°¡µÇ¾ú´Ù. ȯ±âȽ¼öÀÇ ¿µÇâÀº Àü¹ÝÀûÀ¸·Î Àû¾ú´Ù. Á¾ÇÕÀûÀ¸·Î ÀÚÁÖÃÊ·Õ²É ¼Ò½Ä¹°Ã¼ÀÇ ±â³» ÀÚ°¡¿µ¾ç¹è¾ç Â÷·®¹ø½ÄÀ» À§Çؼ­´Â $CO_2;1,500{mu}mol{cdot}mol^{-1},;PPF;220{mu}mol{cdot}m^{-2}{cdot}s^{-1}$ÀÇ Á¶°ÇÀÌ ÀûÇÕÇÏ¿´´Ù.
Growth of Campanula punctata 'Rubriflora' plantlets, as affected by three levels of photosynthetic photon flux (PPF), 70, 110, and $220{mu}mol{cdot}m^{-2}{cdot}s^{-1}$, two levels of $CO_2$ concentration, 500 and $1,500{mu}mol{cdot}m^{-1}$, and two levels of number of air exchanges per hour (NAEH), 0.1 and $2.8 h^{-l}$, was studied. Explants were obtained from photomixotrophically-micropropagated plantlets. Four explants were planted in each $3.7{ imes}10^{-4}m^3$ polycarbonate box containing MS basal medium and no added sucrose. Explants were cultured under cool-white fluorescent lamps for $16h{cdot}d^{-1},;at;25pm1^{circ}C$ temperature, and $70~80%$ relative humidity In treatments of $2.8h^{-1}$ NAEH, a 10mm round hole made on the vessel cap was sealed with a microporous filter. For higher $CO_2$ concentrations in the culture room, $CO_2$ gas was provided from a tank of liquefied $CO_2$. Fresh and dry weights, length of the longest root, and number of leaves significantly increased with increasing PPF and especially $CO_2$ concentration. Length of the longest root, number of leaves, fresh and dry weights, and chlorophyll concentration were enhanced with increased NAEH. However, leaf area was the smallest in the $220{mu}mol{cdot}m^{-2}{cdot}s^{-1};PPF;2.8h^{-1}$ NAEH and especially, $1,500{mu}mol{cdot}mol^{-1};CO_2$ concentration treatment. Treatment effect became more produced with time. Overall, treatment with $220{mu}mol{cdot}m^{-2}{cdot}s^{-1};PPF;and;1,500{mu}mol{cdot}mol^{-1};CO_2$ gave the most vigorous growth.
 
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°ø±â±³È¯À²;´Ù°ø¼º ¹Ì¼¼ ÇÊÅÍ;air exchange rate;microporous filter;
 
»ý¹°È¯°æÁ¶ÀýÇÐȸÁö / v.14, no.4, 2005³â, pp.233-238
Çѱ¹»ý¹°È¯°æÁ¶ÀýÇÐȸ
ISSN : 1229-4675
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200509408761229)
¾ð¾î : Çѱ¹¾î
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