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Çѱ¹»ý¹°È¯°æÁ¶ÀýÇÐȸ / v.11, no.1, 2002³â, pp.35-39
¿±Ã¤·ù À°¹¦½Ã $ extrm{CO}_2$ ½Ã¿ëÀÌ Á¤½Ä ÈÄ $ extrm{CO}_2$ ½Ã¿ë È¿°ú¿¡ ¹ÌÄ¡´Â ¿µÇâ
( Effects of $ extrm{CO}_2$ Enrichment During Seedling Stage on the Effectiveness of $ extrm{CO}_2$ Enrichment after Transplanting in Leafy Vegetables )
±èÀϼ·;½Å¼®¹ü;ÀüÀÍÁ¶; °­¿ø´ëÇб³ ½Ä¹°ÀÀ¿ë°úÇкÎ;°­¿ø´ëÇб³ ½Ä¹°ÀÀ¿ë°úÇкÎ;°­¿ø´ëÇб³ ½Ä¹°ÀÀ¿ë°úÇкÎ;
 
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º» ¿¬±¸´Â ¿±Ã¤·ù À°¹¦½Ã $CO_2$½Ã¿ëÀÌ Á¤½Ä ÈÄ $CO_2$ÀÇ Àå±â ½Ã¿ëÀ¸·Î ÀÎÇÑ Ã»°æÃ¤, ½Ã±ÝÄ¡ ¹× »óÃßÀÇ »ýÀ°¿¡ ¹ÌÄ¡´Â ¿µÇâÀ» Á¶»çÇÏ¿´´Ù. À°¹¦½Ã $CO_2$½Ã¿ëÀº û°æÃ¤, ½Ã±ÝÄ¡ ¹× »óÃßÀÇ Áö»óºÎ »ýüÁß°ú °Ç¹°Áß ¹× ¿±¸éÀû¿¡¼­ ¸ðµÎ ¹«Ã³¸®±¸¿¡ ºñÇØ ÇöÀúÈ÷ Áõ°¡ÇÏ¿´´Âµ¥, »ýüÁßÀÇ °æ¿ì 󸮱¸¿¡¼­ °¢°¢ 50%, 60% ¹× 30%³»¿ÜÀÇ Áõ°¡¸¦ ³ªÅ¸³»¾ú´Ù »Ñ¸® °Ç¹°ÁßÀº ½Ã±ÝÄ¡ ¹× »óÃß¿¡¼­ ¹«Ã³¸®±¸¿¡ ºñÇØ 󸮱¸¿¡¼­ ÇöÀúÈ÷ Áõ°¡ÇÏ¿´´Ù. ¹«Ã³¸®±¸¿¡ ´ëÇÑ Áö»óºÎ »ýüÁßÀÇ »ó´ëÁõ°¡À²Àº û°æÃ¤, ½Ã±ÝÄ¡ ¹× »óÃß¿¡¼­ °øÈ÷ $CO_2$½Ã¿ë 10ÀÏ ÀüÈÄ¿¡¼­ °¡Àå ³ô¾Ò´Ù. Á¤½ÄÈÄ $CO_2$½Ã¿ë È¿°ú¸¦ À°¹¦½Ã $CO_2$¸¦ ½Ã¿ëÇÑ Ã³¸®±¸¿Í ½Ã¿ëÇÏÁö ¾ÊÀº ´ëÁ¶±¸·Î ±¸ºÐÇÏ¿© ºñ±³ÇÑ °á°ú, ¿±¸éÀûÀº û°æÃ¤, ½Ã±ÝÄ¡ ¹× »óÃß¿¡¼­ ¸ðµÎ 󸮱¸°¡ ´ëÁ¶±¸¿¡ ºñÇØ 20%³»¿ÜÀÇ Áõ°¡¸¦ º¸¿´´Ù. Áö»óºÎ »ýüÁß°ú °Ç¹°ÁßÀº 󸮱¸¿¡¼­ 3ÀÛ¹° ¸ðµÎ 10~20%¹üÀ§ÀÇ Áõ°¡È¿°ú¸¦ º¸¿´´Âµ¥, ÀÌ´Â À°¹¦±âÀÇ 30-60%ÀÇ Áõ°¡È¿°ú¿¡ ºñÇØ Å©°Ô µÐÈ­µÈ °ÍÀ¸·Î ³ªÅ¸³µ´Ù. ÀÙÀÇ ±¤ÇÕ¼º¼Óµµ´Â Á¤½Ä ÈÄ ´ëÁ¶±¸¿¡¼­ ¿Ï¸¸ÇÏ°Ô °¨¼ÒÇϴµ¥ ºñÇØ CO2¸¦ Àå±â ½Ã¿ëÇÑ Ã³¸®±¸¿¡¼­´Â ±Þ°ÝÈ÷ °¨¼ÒÇÏ´Â °æÇâÀ» º¸¿´´Ù.
This study was conducted to investigate the effect of early $CO_2$ enrichment during seedling stage on long-term $CO_2$ enrichment after transplanting in the culture of pat-choi (Brassica campesris L), spinach (Spinacia oeracea L.), and leaf lettuce (Lactuca saliva L). During seedling stage, $CO_2$enrichment had significantly higher fresh and dry weight and leaf area of the top parts (above ground) of all three plant species than the control (no $CO_2$ enrichment). About 53%, 70% , and 40% increase in fresh weight of the top parts of pak-choi, spinach, and leaf lettuce were observed, respectively. Also, in seedling stage, dry weights of roots of spinach and leaf lettuce were significantly increased by early $CO_2$ enrichment. Relative fresh weight increment, compared with fresh weight of the control, in the top parts of roll three plants showed the highest values in 10 days after $CO_2$ enrichment treatment. In the long-term $CO_2$ enrichment experiment, early $CO_2$ enrichmented plants had 20% greater leaf area than the control in all three leafy vegetables. Fresh and dry weights of top parts of early $CO_2$-treated plants were also increased from 10 to 20%, as compared with the control plants. However, these increasement rates in the long-term $CO_2$ enrichment were lower than those seedling stage, which had 30-60% increment-rates. After transplanting, photosynthetic rate of each leafy vegetable in the control treatment slowly decreased, but those rates of early $CO_2$ enriched plants rapidly decreased.
 
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$ extrm{CO}_2$ ½Ãºñ;À¯¹¦±â;¿±Å·ù;»ýÀ°;±¤ÇÕ¼º;$ extrm{CO}_2$ enrichment seedling stage;leady vegetable;growth;Photosynthesis;
 
»ý¹°È¯°æÁ¶ÀýÇÐȸÁö / v.11, no.1, 2002³â, pp.35-39
Çѱ¹»ý¹°È¯°æÁ¶ÀýÇÐȸ
ISSN : 1229-4675
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200211921032768)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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