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Çѱ¹»ý¹°È¯°æÁ¶ÀýÇÐȸ / v.19, no.4, 2010³â, pp.229-233
ÆÈ·¹³ñ½Ã½º »ýÀ°¿¡ ÀûÇÕÇÑ ¹è¾ç¾×³» $NO_3^-$¿Í $NH_4^+$ ºñÀ²
( Optimum Ratio of $NO_3^-$ to $NH_4^+$ in Nutrient Solution for the Growth of Phalaenopsis Hybrid )
ÀÌ¿µ¶õ;ÀÌ¿ë¹ü;¿¹º´¿ì;À̵¿¼ö; ³óÃÌÁøÈïû ±¹¸³¿ø¿¹Æ¯ÀÛ°úÇпø È­ÈѰú;¼­¿ï½Ã¸³´ëÇб³ ȯ°æ¿ø¿¹Çаú;³óÃÌÁøÈïû ±¹¸³¿ø¿¹Æ¯ÀÛ°úÇпø È­ÈѰú;³óÃÌÁøÈïû ±¹¸³¿ø¿¹Æ¯ÀÛ°úÇпø È­ÈѰú;
 
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º» ¿¬±¸´Â ÆÈ·¹³ñ½Ã½ºÀÇ »ýÀ°¿¡ ÀûÇÕÇÑ ¹è¾ç¾×³» $NO_3^-$¿Í $NH_4^+$ÀÇ ºñÀ²À» ã°í ±×¸®°í ±× ºñÀ²ÀÌ È­°æÀÇ Ç°Áú¿¡ ¹ÌÄ¡´Â ¿µÇâ¿¡ ´ëÇÏ¿© ¾Ë¾Æº¸°íÀÚ ¼öÇàµÇ¾ú´Ù. ½ÇÇè¿¡ »ç¿ëµÈ ¹è¾ç¾×³» $NO_3^-$¿Í $NH_4^+$ÀÇ ºñÀ²Àº 100%: 0%, 90%: 10%, 80%: 20%, 70%: 30%¿´´Ù. ¹è¾ç¾×³» ÆÈ·¹³ñ½Ã½ºÀÇ »ýÀ°Àº$NO_3^-$¸¸À» °ø±ÞÇÒ ¶§º¸´Ù $NO_3^-$¿Í $NH_4^+$¸¦ ÇÔ²² °ø±ÞÇÒ ¶§ »ýÀ°ÀÌ Áõ°¡ÇÏ¿´´Ù. ƯÈ÷ $NH_4^+$ÀÇ ºñÀ²ÀÌ 10%ÀÏ ¶§ »ýüÁß°ú °Ç¹°ÁßÀÌ °¡Àå ³ô¾Ò´Ù. ±×·¯³ª ¹è¾ç¾×³» $NH_4^+$ÀÇ ºñÀ²ÀÌ 10%¿¡¼­ 30%·Î Áõ°¡ÇÔ¿¡ µû¶ó Áö»óºÎ¿Í »Ñ¸®ÀÇ »ýÀ°Àº °¨¼Ò µÇ¾ú´Ù. È­°æÀÇ ±æÀÌ, °³Ã¼´ç È­°æ¼ö¿Í ¼ÒÈ­¼ö ¸ðµÎ $NH_4^+$ ºñÀ²ÀÌ 0%¿¡¼­ 10%·Î Áõ°¡ÇÔ¿¡ µû¶ó ³ô¾ÒÀ¸³ª 30%·Î ³ô¾ÆÁú¼ö·Ï °¨¼ÒÇÏ¿´´Ù. Áï, ÆÈ·¹³ñ½Ã½ºÀÇ »ýÀ°¿¡ ÀûÇÕÇÑ ¹è¾ç¾×³» $NO_3^-$¿Í $NH_4^+$ÀÇ ºñÀ²Àº 90%:10%À̾ú´Ù.
This experiment was carried out to find optimum ratio of $NO_3^-$ to $NH_4^+$ in nutrient solution for the growth of Phalaenopsis hybrid and find the effect of the ratio of $NO_3^-$ to $NH_4^+$ on the flower stem (inflorescence) quality. The ratio of $NO_3^-$ to $NH_4^+$ of nutrient solution used in this experiment was 100% : 0%, 90% : 10%, 80% : 20% and 70% : 30%. Phalaenopsis showed better growth when $NH_4^+$ was supplied concurrently with $NO_3^-$ as nitrogen source than supplied with only $NO_3^-$. Especially, increasing the ratio of $NH_4^+$ from 0% to 10% the fresh weight and dry weight of Phalaenopsis hybrid was highest. But, the growth of shoot and root was diminished when the proportion of $NH_4^+$ in nutrient solution was increased from 10% to 30%. Inflorescence length, the number of inflorescence and flower per plant all increased as $NH_4^+$ increased from 0% to 10% but, decreased from 10% to 30%. These results suggest that the optimal ratio of $NO_3^-$ and $NH_4^+$ in nutrient solution for the growth of Phalaenopsis including inflorescence was founded to be 90%:10%.
 
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°Ç¹°Áß;»ýüÁß;¾çºÐÇÔ·®;È­°æ;$CO_2$ Èí¼ö;$CO_2$ uptake;dry weight;fresh weight;inflorescence;mineral content;
 
»ý¹°È¯°æÁ¶ÀýÇÐȸÁö / v.19, no.4, 2010³â, pp.229-233
Çѱ¹»ý¹°È¯°æÁ¶ÀýÇÐȸ
ISSN : 1229-4675
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO201015037859913)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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