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Çѱ¹»ý¹°È¯°æÁ¶ÀýÇÐȸ / v.8, no.1, 1999³â, pp.56-66
ºÀȲ±¹È­ÀÇ ÀÚ°¡¿µ¾ç¹è¾ç½Ã ±¤µµ, ȯ±âȽ¼ö ¹× $ extrm{CO}_2$³óµµ°¡ ±â³»»ýÀ°¿¡ ¹ÌÄ¡´Â ¿µÇâ
( Autotrophic Growth of Dendranthema grandiflorum R. 'Bongwhang' Plantlets In Vitro as Affected by PPF, Air Exchange Rate and $ extrm{CO}_2$ Concentration )
±è¿µÈ¸;Á¤º´·æ; °æ»ó´ëÇб³ ¿ø¿¹Çаú;°æ»ó´ëÇб³ À¯Àü°øÇבּ¸¼Ò;
 
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º» ¿¬±¸´Â ¹è¾ç±âÀÇ È¯±âȽ¼ö(0.1 $h^{-1}$ ¶Ç´Â 2.8 $h^{-1}$), ±¤µµ(70, 150 ¶Ç´Â 220$mu$mol. $m^{-2}$ . $s^{-1}$), C $O_{2}$ ³óµµ(400-500, 1000 ¶Ç´Â 2000$mu$mol.mo $l^{-1}$)°¡ ±¹È­ ¼Ò½Ä¹°Ã¼ÀÇ ±â³»»ýÀå¿¡ ¹ÌÄ¡´Â ¿µÇâÀ» Á¶»çÇϱâ À§ÇÏ¿© ½Ç½ÃÇÏ¿´´Ù. MS ¹èÁö¿¡¼­ È¥ÇÕ¿µ¾ç¹è¾ç »óÅ ÇÏ¿¡¼­ ¹ø½Ä½ÃŲ Áٱ⠸¶µð ÀýÆíü¸¦ äÃëÇÏ¿© 1.25meq. $L^{-1}$ÀÇ $H_{2}$S $O_{4}$$^{-}$°¡ Ãß°¡·Î ÷°¡µÈ MS ±âº»¹èÁö°¡ ´ã±ä 3.7$ imes$$10^{-4}$ $m^{3}$ÀÇ ¹è¾ç±â¿¡ ¿ë±â´ç 4°³¾¿ Ä¡»óÇÏ¿´´Ù. ȯ±âȽ¼ö(NAEH)¸¦ 0.1 $h^{-1}$¿¡¼­ 2.8 $h^{-1}$·Î Çâ»ó½Ã۱â À§ÇÏ¿© ¹è¾ç¿ë±âÀÇ ¶Ñ²±¿¡ Á÷°æ 10mmÀÇ ±¸¸ÛÀ» ¶Õ¾î Åë±â¼ºÀÇ ÇÊÅ͸¦ ºÎÂøÇÏ¿´À¸¸ç, ´ç°ú »ýÀåÁ¶ÀýÁ¦´Â ÷°¡ÇÏÁö ¾Ê¾Ò´Ù. ¹è¾ç½Ç¿¡ C $O_{2}$¸¦ °ø±ÞÇϱâ À§ÇÏ¿© °ø±â ¼øÈ¯Åë·Î¿¡ C $O_{2}$ °¡½º °ø±Þ±¸¸¦ ¼³Ä¡ÇÏ¿© ¾×È­ C $O_{2}$ °¡½º¸¦ ¸í±â µ¿¾È¿¡¸¸ °ø±ÞÇØ ÁÖ¾ú´Ù. »ýüÁß°ú °Ç¹°Áß, ÃÊÀå, ÃÖ´ë±ÙÀå, ¿±¼ö, ¿±¸éÀûÀº ±¤µµ(PPF)°¡ ³ôÀº 󸮱¸¿¡¼­, ƯÈ÷ C $O_{2}$ ³óµµ°¡ ³ôÀ» ¶§ Áõ°¡µÇ¾ú´Ù. ±×¸®°í ȯ±âȽ¼ö°¡ ³·Àº 󸮱¸¿¡¼­º¸´Ù ³ôÀº 󸮱¸¿¡¼­ ´õ ÄÇÀ¸¸ç, ó¸®È¿°ú´Â ¹è¾çÈıâ·Î °¥¼ö·Ï ¶Ñ·ÇÀÌ Áõ°¡µÇ¾ú´Ù. ±¹È­ ¼Ò½Ä¹°Ã¼ÀÇ ±â³»»ýÀ°Àº ȯ±âȽ¼ö°¡ 2.8 $h^{-1}$, PPF°¡ 220$mu$mol. $m^{-2}$ . $s^{-1}$, ±×¸®°í C $O_{2}$ ³óµµ°¡ 2000$mu$mol.mo $l^{-1}$À϶§ °¡Àå »¡¶ú´Ù.
Growth of Dendranthema grandiflorum R. ¡®Bongwhang¡¯plantlets, as affected by three levels of photosynthetic photon flux (PPF), 70, 150 and 220 $mu$mol. $m^{-2}$ . $s^{-1}$ , three levels of C $O_{2}$ concentration, 400-500 (ambient), 1000 and 2000 $mu$mol.mo $l^{-1}$ , and two levels of number of air exchanges per hour (NAEH), 0.1 $h^{-1}$ 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 medium supplemented with 1.25 meq. $L^{-1}$ $H_{2}$P $O_{4}$$^{[-10]}$ and no added sugar. Explants were cultured under cool-white fluorescent lamps (16 h. $d^{-1}$ ), at 25$pm$1$^{circ}C$ temperature, and 70-80% relative humidity. In treatments of 2.8 $h^{-1}$ NAEH, a 10 mm round hole made on the vessel cap was sealed with a microporous filter For higher C $O_{2}$ concentrations in the culture room, C $O_{2}$ gas was provided from a tank of liquefied C $O_{2}$. Fresh and dry weights, height, length of the longest roots, number of leaves, and leaf area significantly increased with increasing PPF and especially, with increasing C $O_{2}$ concentration. Growth was enhanced with increased number of air exchanges per hour (2.8 $h^{-1}$ ). Overall, treatment of 220$mu$mol. $m^{-2}$ . $s^{-1}$ PPF combined with 2000$mu$mol.mo $l^{-1}$ C $O_{2}$ and 2.8 $h^{-1}$ NAEH gave the most vigorous growth of Dendranthema grandiflorum R. ¡®Bongwhang¡¯ plantlets in vitro.o.
 
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±¹È­;¹Ì¼¼¹ø½Ä;ȯ°æÁ¶Àý;chrysanthemum;micropropagation;environmental control;
 
»ý¹°È¯°æÁ¶ÀýÇÐȸÁö / v.8, no.1, 1999³â, pp.56-66
Çѱ¹»ý¹°È¯°æÁ¶ÀýÇÐȸ
ISSN : 1229-4675
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199911922406503)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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