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Çѱ¹ÇÏõȣ¼öÇÐȸ / v.33, no.2, 2000³â, pp.136-144
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( Inhibitory Effect of Microcystis aeruginosa (Cyanophyceae) Growth by Plants in vitro )
Á¤¿øÈ­;º¯¸í¼·;Àü¼±¿Á;ÀÓº´Áø; ±¹¸³È¯°æ¿¬±¸¿ø ÇѰ­¼öÁú°Ë»ç¼Ò;±¹¸³È¯°æ¿¬±¸¿ø ÇѰ­¼öÁú°Ë»ç¼Ò;±¹¸³È¯°æ¿¬±¸¿ø ÇѰ­¼öÁú°Ë»ç¼Ò;±¹¸³È¯°æ¿¬±¸¿ø ÇѰ­¼öÁú°Ë»ç¼Ò;
 
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ÆÈ´çÈ£ ÁÖº¯¿¡¼­ ÀÚ»ýÇÏ´Â ½Ä¹°Ã¼¸¦ ÀÌ¿ëÇÏ¿© ½ÇÇè½Ç ³»¿¡¼­ ¹è¾çµÈ ³²Á¶·ù¿¡ Åõ¿©ÇÏ¿© Á¶·ùÁõ½Ä ¾ïÁ¦ È¿À²À» Á¶»çÇÏ¿´´Ù. Á¶·ù ¼ºÀå ¾ïÁ¦ È¿°ú¿¡ ÀÖ¾î À°»ó½Ä¹°À» ÀÌ¿ëÇÏ´Â °æ¿ì Á¶·ù ¹Ðµµ°¡ 10$^{4}$ cells/ml ¹üÀ§¿¡¼­ÀÇ 0.5g/l Åõ¿©·®Àº ÀüÇô È¿°ú¸¦ ³ªÅ¸³»Áö ¸øÇß´ø ¹Ý¸é, 2.5 g/l Åõ¿©·®¿¡¼­´Â 95% ÀÌ»óÀÇ È¿°ú¸¦ º¸¿´´Ù. Á¶·ù ¹Ðµµ°¡ 10$^{6}$ cells/ml ¹üÀ§¿¡¼­ÀÇ À°»ó½Ä¹° Åõ¿©·®Àº 2.5 g/l ÀÌ»óÀÌ ÇÊ¿äÇß´Ù. Á¶·ù¼ºÀå ¾ïÁ¦¿¡ À°»ó½Ä¹°Àº ÀãÀÙ, ¼ö»ý½Ä¹°Àº ¾Ö±â¸¶¸§ÀÌ Å« È¿°ú¸¦ º¸¿´´Ù. ¾Ö±â¸¶¸§ Åõ¿©Á¶´Â Á¶·ù ¹Ðµµ°¡ 10$^{6}$ cells/ml ¹üÀ§¿¡¼­µµ 2.5 g/l Åõ¿©·®À¸·Î 50%ÀÇ ¾ïÁ¦ È¿À²ÀÌ ³ªÅ¸³µ´Ù. ½Ä¹°À» ÀÌ¿ëÇÑ Á¶·ù Áõ½Ä ¾ïÁ¦ È¿°ú´Â ½Ä¹° Åõ¿© ÈÄ 7Àϰ ÈÄ °¡Àå È¿°ú°¡ ÁÁÀº °ÍÀ¸·Î ³ªÅ¸³µ´Ù. ½Àü, °Çü, ÃßÃâ¹° ºñ±³½Ã ÃßÃâ¹°ÀÌ °¡Àå È¿°ú°¡ ÁÁÀº °ÍÀ¸·Î À°»ó½Ä¹° Åõ¿©Á¶ÀÇ °æ¿ì 1.25 g/l Åõ¿©·®¿¡ ºñÇØ 2.5 g/l Åõ¿©·®¿¡¼­ ÇöÀúÇÑ È¿°ú¸¦ º¸¿´°í, ¾Ö±â¸¶¸§Àº 1.25 g/l Åõ¿©·®¿¡¼­µµ 99%ÀÇ È¿°ú¸¦ º¸¿´´Ù. °Çü½Ä¹°Àº ½Àü½Ä¹°¿¡ ºñÇØ Ãʱ⿡µµ ³ôÀº È¿°ú¸¦ º¸¿´´Ù. Á¶·ùÀÇ ºñÁõ½Ä¼Óµµ·Î º¸¾ÒÀ» ¶§µµ ½Ä¹°Ã¼ ÃßÃâ¹°À» Åõ¿©ÇßÀ» ¶§ °¡Àå È¿°ú°¡ ÁÁ¾Ò°í ´ÙÀ½À¸·Î °Çü, ½Àü½Ä¹° Åõ¿©¼øÀ¸·Î Á¶·ù Áõ½Ä¾ïÁ¦ È¿°ú¸¦ ³ªÅ¸³»¾ú´Ù.
M. aeruginosa isolated from Lake Paldang was cultured in CB medium, and then each wet plants put into the cultured medium at a rate of 0.5 g and 2.5 g wet wt/l. There was slight inhibition by the input of cattail and iris of each 0.5 g wet wt/l cultured medium, but showed no reduction in algal growth in other flasks. Among the applied plants, ginkgo, pine needles, big cone pine, waterreed and water chestnut had an effect on inhibition of algal growth at the input of 2.5 g wet wt/l. Plants which were dried for 3 days at $50^{circ}C$ introduced into the testing flask for 10days cultured at dose rates of 2.5 g/l. When chlorophyll a concentration was remarkably high as $802.6;{mu}g/l$ after five days, there was noticeably less chlorophyll compared with control at a rate of 98% by big cone pine, 96% by ginkgo, 95% by pine needles and 86% by rice straw, respectively. To examine the effect of plant extracts on algal growth, big cone pine and water chestnut were put to the amount of 1.25 g liquid extracts/l. Chlorophyll a concentration and cell density decreased to the extent of average 43% as compared with the beginning of experiment, but when concentration of chlorophyll a increased a most high, the inhibition of algal growth by liquid extracts did not affect at all. When a quantity of plant equivalent to 2.5 g liquid extracts/l inhibited the growth of algae by 95% after nine days.
 
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Algal control;Microcystis;Plants;in vivo;
 
Çѱ¹ÇÏõȣ¼öÇÐȸÁö / v.33, no.2, 2000³â, pp.136-144
Çѱ¹ÇÏõȣ¼öÇÐȸ
ISSN : 1976-8087
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200018317175564)
¾ð¾î : Çѱ¹¾î
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