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Çѱ¹»ý¹°È¯°æÁ¶ÀýÇÐȸ / v.14, no.3, 2005³â, pp.149-154
¹è¾ç¾×ÀÇ ³óµµ¿Í ±¤°­µµ°¡ ´ÜÀÏó¸®Àü Ä®¶ûÄÚ¿¡ À¯¹¦ÀÇ ¾çºÐÈí¼ö¿Í »ýÀ°¿¡ ¹ÌÄ¡´Â ¿µÇâ
( Effects of Nutrient Strength and Light Intensity on Nutrient Uptake and Growth of Young Kalanchoe Plants (Kalanchoe blossfeldiana 'Marlene') at Seedling Stage )
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Ä®¶ûÄÚ¿¡ ´ÜÀÏó¸®ÀüÀÇ À¯¹¦±âÀÇ ¸ñÇ¥´Â ÃÊÀåÀÌ Âª°í °Ç½ÇÇÏ¸ç ºÐÁö¼ö°¡ ¸¹Àº ½Ä¹°Ã¼¸¦ »ý»êÇÏ´Â °ÍÀÌ´Ù. ±¤°ú ¾çºÐÁ¶°ÇÀº ¾î¸° ½Ä¹°ÀÇ »ýÀ°°ú ǰÁú¿¡ Á÷Á¢ÀûÀ¸·Î ¿µÇâÀ» ÁØ´Ù. º» ¿¬±¸´Â ÀÌ ½Ã±â¿¡ ¹è¾ç¾×³óµµ¿Í ±¤°­µµ°¡ »ýÀ°°ú ¾çºÐÈí¼ö¿¡ ¹ÌÄ¡´Â ¿µÇâÀ» Á¶»çÇϱâ À§ÇÏ¿©, 2Á¶°ÇÀÇ Àû»êÀϻ緮(15.8, 7.9 $mol{cdot}m^{-2}{cdot}d^{-1}$, PPF)°ú 3Á¶°ÇÀÇ ¹è¾ç¾×³óµµ(EC 0.8, 1.6, 2.4 $dS{cdot}m^{-1}$) 󸮸¦ ÇÏ¿´´Ù. Ä®¶ûÄÚ¿¡ À¯¹¦ÀÇ »ýÀ°Á¶»ç °á°ú, ±¤µµ°¡ ³ôÀ»¼ö·Ï ¿±¸éÀû, »ýüÁß, °Ç¹°ÁßÀÌ Å©°Ô ³ªÅ¸³µ°í ºÐÁö°¡ ¸¹ÀÌ ¹ß»ýÇÏ¿´´Ù. ÀÌ·¯ÇÑ °æÇâÀº EC 1.6 $dS{cdot}m^{-1}$ À̻󿡼­ ÇöÀúÇÏ¿´´Ù. ÃÊÀåÀº ±¤°­µµ°¡ ³·À»¼ö·Ï ÄÇ´Ù. ¹è¾ç¾×ÀÇ EC °¨¼ÒºÐÀº ¹è¾ç¾×ÀÇ ³óµµ°¡ Áõ°¡ÇÔ¿¡ µû¶ó Ä¿Áö´Â °æÇâÀ» º¸¿´´Ù. »ýÀ° ´Ü°èÀÇ ÁøÀü¿¡ µû¸¥ ¾çºÐÈí¼ö´Â ±¤µµ¿Í ¹è¾ç¾× ³óµµ(EC)°¡ ³ôÀ»¼ö·Ï ¸¹¾ÆÁö´Â °æÇâÀ» ³ªÅ¸³Â´Ù. ½ÇÇè±â°£ Áß $NO_3$-N, P, K, CaÀº ´ëü·Î °í±¤µµ¿¡¼­ Àú±¤µµº¸´Ù ¸¹ÀÌ Èí¼öµÇ¾ú´Ù. Ä®¶ûÄÚ¿¡ À¯¹¦±â Àç¹è ½Ã, ÀûÁ¤ ¿±¸éÀû, »ýüÁß, ºÐÁö¼ö, ÃÊÀåÀ» ¾ò°í, ½Ä¹°Ã¼ÀÇ ÀûÀýÇÑ ¾çºÐÈí¼ö¸¦ À§Çؼ­´Â °í±¤µµ ½Ã ¹è¾ç¾× ³óµµ¸¦ EC 1.6 $dS{cdot}m^{-1}$ÀÌ»óÀ¸·Î °ü¸®ÇÏ´Â °ÍÀÌ ÀûÀýÇÏ¿´°í Àú±¤µµ ½Ã ¹è¾ç¾× ³óµµ¸¦ EC 0.8 $dS{cdot}m^{-1}$ °ü¸®ÇÏ´Â °ÍÀÌ ÀûÀýÇÏ¿´´Ù. º» ¿¬±¸°á°ú¿¡¼­ ±¤µµ¿¡ µû¶ó ¹è¾ç¾× ³»ÀÇ °¢ ¹«±â¾çºÐÀÇ ³óµµ¸¦ ´Ù¸£°Ô °ü¸®ÇØ¾ß ÇÔÀ» È®ÀÎÇÏ¿´´Ù.
It is very important to make shorter and healthier pot plants with increased numbers of branch at a growing stage before short-day exposure. Especially light and nutrient conditions directly affect the growth and quality of the plants as described above. In this study, the effects of nutrient strength and light intensity on the nutrient uptake and growth of young Kalanchoe plants (Kalanchoe blossfeldiana 'Marlene') during this growth stage were investigated. The plants were grown under two radiation integral (15.8 and 7.9 $mol{cdot}m^{-2}{cdot}d^{-1}$, PPF) and three EC (0.8, 1.6 and 2.4 $dS{cdot}m^{-1}$) conditions. Leaf area, fresh weight, dry weight and number of branch were higher at a higher PPF, and this tendency was more evident at an EC above 1.6$dS{cdot}m^{-1}$. The plants became higher at a lower PPF. When the EC was at 0.8 $dS{cdot}m^{-1}$, the plants did not grow so healthy regardless of PPF conditions. EC decrement in the nutrient solution was increased with increase of nutrient strength. With growth stage, the nutrient uptake was increased with increases of nutrient strength and PPF. At a higher PPF, $NO_3-N,;K^{+};and;Ca^{2+}$ were much more absorbed, and especially the uptake of $K^{+}$ was 1.1 to 1.5 times greater than that or $NO_3-N$. From the results, the EC needed above 1.6 $dS{cdot}m^{-1}$ during the seedling stage in order to make more healthy Kalanchoe plants having more leaf area, fresh weight, dry weight and number of branches under adequate light conditions.
 
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»ý¹°È¯°æÁ¶ÀýÇÐȸÁö / v.14, no.3, 2005³â, pp.149-154
Çѱ¹»ý¹°È¯°æÁ¶ÀýÇÐȸ
ISSN : 1229-4675
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200504840787679)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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