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Çѱ¹»ý¹°È¯°æÁ¶ÀýÇÐȸ / v.12, no.1, 2003³â, pp.22-25
Àλê½Ãºñ°¡ °íÃß Ç÷¯±×¹¦ÀÇ »ýÀå°ú ±¤ÇÕ¼º¿¡ ¹ÌÄ¡´Â ¿µÇâ
( Phosphate Fertilizer Influences Growth and Photosynthesis of Pepper Seedlings )
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Dz°íÃß Ç÷¯±× À°¹¦½Ã¿¡ ÀλêÀÇ ÃÖÀû ½Ãºñ³óµµ¸¦ ±¸¸íÇϱâ À§ÇÏ¿© 32±¸ Ç÷¯±× Æ®·¹ÀÌ¿¡ TK2¸¦ ä¿ö¼­ Á¾ÀÚ¸¦ ÆÄÁ¾ÇÑ ´ÙÀ½ ÀλêÀ» ³óµµº°·Î ó¸®ÇÏ¿© ½Ä¹°Ã¼ÀÇ »ýÀ°°ú ±¤ÇÕ¼º¿¡ ¹ÌÄ¡´Â È¿°ú¸¦ Á¶»çÇÏ¿´´Ù. ¡®³ì±¤¡¯°ú ¡®²Ê¸®¡¯ µÎ ǰÁ¾ÀÇ »ýÀåÀº Ç¥ÁØ ³óµµÀÎ 1.0¹è·Î ó¸®ÇÏ¿´À» ¶§¿¡ ¿±¸éÀû°ú ÃÊÀåÀÇ »ýÀåÀÌ °¡Àå ÃËÁø µÇ¾úÀ¸¸ç, 1.5¹è ÀÌ»óÀÇ ³óµµ¿¡¼­´Â ³óµµ°¡ ³ôÀ»¼ö·Ï »ýÀ°ÀÌ ¾ïÁ¦µÇ¾ú´Ù. ¹Ý¸é ½Ä¹°Ã¼ÀÇ ÃÑ °Ç¹°ÁßÀº ÀλêÀÇ ³óµµ°¡ Áõ°¡ÇÒ¼ö·Ï ¹«°Å¿ü´Ù. ¿±·Ï¼ÒÀÇ ÇÔ·®Àº ¡®²Ê¸®¡¯ º¸´Ù ¡®³ì±¤¡¯ÀÌ ´õ ³ô¾Ò´Âµ¥, 0.5¹è ÀÌ»óÀÇ ³óµµ¿¡¼­´Â ³óµµ°£ÀÇ Â÷À̰¡ ¾ø¾ú´Ù. ±¤ÇÕ¼ºÀ²Àº¡®³ì±¤¡¯ÀÇ °æ¿ì¿¡´Â 1.0¹è, ¡®²Ê¸®¡¯ÀÇ °æ¿ì¿¡´Â 0.5¹èÀÇ ³óµµ·Î ½ÃºñÇÏ¿´À» ¶§¿¡ °¡Àå ³ô¾ÒÀ¸¸ç, ½Ä¹°Ã¼ÀÇ »ýÀå°ú ¸¶Âù°¡Áö·Î °í ³óµµÀÇ Àλê½Ãºñ´Â µÎ ǰÁ¾ ¸ðµÎ ±¤ÇÕ¼ºÀ» ¾ïÁ¦½ÃÄ×´Ù. ±â°øÀüµµµµ¿Í ¼öºÐÁõ¹ßÀ²Àº ¡®³ì±¤¡¯ÀÇ °æ¿ì¿¡´Â 1.9¹è±îÁö ÀλêÀÇ ³óµµ¸¦ ³ôÀϼö·Ï Áõ°¡ÇÏ¿´À¸³ª, 1.0¹è ÀÌ»óÀÇ °í³óµµ¿¡¼­´Â °¨¼ÒÇÏ¿´´Ù.
Seedlings of ¡®Nokgwang¡¯ and ¡®Kwari¡¯ green pepper were cultured in 32-cell plug trays in TK$_2$ medium to find out optimal concentrations of phosphate. Seedling growth of both ¡®Nokgwang¡¯ and ¡®Kwari¡¯ cultivars was affected by phosphate strength. Applying P fertilizer to the plug system caused a marked increase in plant height and leaf area at 1.0 phosphate strength. On the other hand, total dry weight increased with increasing phosphate strength. Higher chlorophyll content was observed in ¡®Nokgwang¡¯ than ¡®Kwari¡¯ in all treatments. Phosphate strength greater than 0.5 gave similar chlorophyll content. Photosynthetic rate was higher for plants fertilized with 1.0 strength for ¡®Nokgwang¡¯ and 0.5 strength for ¡®Kwari¡¯than the other treatments. Higher concentrations of phosphate reduced photosynthesis in both cultivars. With ¡®Nokgwang¡¯increasing concentration of phosphate up to 1.0 strength resulted in increase in stomatal conductance and transpiration rate.
 
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Àλê;±¤ÇÕ¼º;¿±·Ï¼Ò;±â°øÀüµµµµ;phosphorus;photosynthesis;chlorophyll;stomatal conductance;
 
»ý¹°È¯°æÁ¶ÀýÇÐȸÁö / v.12, no.1, 2003³â, pp.22-25
Çѱ¹»ý¹°È¯°æÁ¶ÀýÇÐȸ
ISSN : 1229-4675
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200311922407605)
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