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Çѱ¹ÇÏõȣ¼öÇÐȸ / v.38, no.4, 2005³â, pp.475-481
³²Á¶·ù Microcystis aeruginosa¿¡ ´ëÇÑ ±¹³» Âü³ª¹«µéÀÇ »ìÁ¶ È¿°ú
( Algicidal Effects of Korean Oak Trees against the Cyanobacterium Microcystis aeruginosa )
¹Ú¸íȯ;±è¹éÈ£;ÇѸí¼ö;¾ÈÄ¡¿ë;À±º´´ë;¿ÀÈñ¸ñ; ÇѾç´ëÇб³ ȯ°æ°úÇаú;ÇѾç´ëÇб³ »ý¸í°úÇаú;ÇѾç´ëÇб³ ȯ°æ°úÇаú;Çѱ¹»ý¸í°øÇבּ¸¿ø ȯ°æ»ý¸í°øÇבּ¸½Ç;Çѱ¹»ý¸í°øÇבּ¸¿ø ȯ°æ»ý¸í°øÇבּ¸½Ç;Çѱ¹»ý¸í°øÇבּ¸¿ø ȯ°æ»ý¸í°øÇבּ¸½Ç;
 
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º» ¿¬±¸´Â »õ·Î¿î ȯ°æÄ£È­Àû »ìÁ¶Á¦¸¦ Ž»öÇϱâ À§ÇÑ ¿¬±¸ÀÇ ÀÏȯÀ¸·Î, ´ã¼ö¿¡¼­ Á¶·ù ´ë¹ß»ý ¿øÀÎÁ¾ Microcystis aeruginosa.¸¦ ´ë»óÀ¸·Î ÇÏ¿© ±¹³»¿¡ ÀÚ»ýÇÏ´Â 9°¡Áö Âü³ª¹« ÀÙ°ú ÁÙ±â·ÎºÎÅÍ ÃßÃâÇÑ ¹°ÁúÀÇ Á¶·ù»ýÀå ¾ïÁ¦´É·ÂÀ» Á¶»çÇÏ¿´´Ù. ÃßÃâ¹° ³óµµ 100 mg $L^{-1}$ ÷°¡½Ã, 5°¡Áö Âü³ª¹« ÃßÃâ¹° (QAT-L, QAT-S, QAS-L, QGI-S ¹× QSA-L)Àº M. aeruginosaÀÇ 7ÀÏ ÈÄ ¼¼Æ÷¼ö¸¦ 90% ÀÌ»ó °¨¼Ò½ÃÄ×´Ù. 20 mg $L^{-1}$ÀÇ °æ¿ì¿¡´Â »ó±âÀÇ 5°¡Áö Âü³ª¹« ÃßÃâ¹°¿¡¼­ M. aeruginosaÀÇ ¼¼Æ÷¼ö°¡ ¾à 50% Á¤µµ °¨¼ÒÇÏ¿´´Ù. M. aeruginosa¸¦ È¿°úÀûÀ¸·Î Á¦¾îÇϱâ À§ÇÑ Âü³ª¹« ÃßÃâ¹°ÀÇ ÃÖ¼Ò ³óµµ´Â 20 mg $L^{-1}$·Î Á¶»çµÇ¾ú´Ù. Âü³ª¹«ÀÇ ÁÖ¿ä ¼ººÐÀ¸·Î ¾Ë·ÁÁ® ÀÖ´Â tannic acid´Â 17 mg $L^{-1}$ÀÇ ³óµµ¿¡¼­ M. aeruginosa¿¡ ´ëÇÑ ¾ïÁ¦È¿°ú¸¦ ³ªÅ¸³Â´Ù. º» ¿¬±¸¸¦ ÅëÇØ¼­ Âü³ª¹« ÃßÃâ¹°Àº ºÎ¿µ¾ç ¼ö°è¿¡¼­ Á¶·ù ´ë¹ß»ý ¿øÀÎÁ¾ M. aeruginosa¸¦ Á¦¾îÇϴ ȯ°æÄ£È­Àû »ìÁ¶Á¦·Î¼­ ÀÌ¿ëÇÒ ¼ö ÀÖÀ» °ÍÀ¸·Î ÆÇ´ÜµÈ´Ù.
In an effort to identify a new environment-friendly algicide, we examined the ability of extracts from the leaves and stems of nine Korean oak tree species to inhibit growth of the bloom-forming cyanobacterium, Microcystis aeruginosa. At a concentration of 100 mg $L^{-1}$, five of the oak tree extracts (QAT-L, QAT-5, QAS- L, QGI-5, and QSA- L) decreased the cell density of M. aeruginosa by over 90% for 7 days. At a concentration of 20 mg $L^{-1}$, the same five extracts inhibited the growth of M. aeruginosa by approximately 50%. The minimum concentration of oak tree extracts required for effective inhibition of M. aeruginosa (20 mg $L^{-1}$) is comparable to that of the known algicide, tannic acid (17 mg $L^{-1}$), which is thought to be one of the main active ingredients in the oak tree extract. These findings suggest that oak extracts may be useful as an environment-friendly algicide to control the bloomforming cyanobacterium, M. aeruginosa, in eutrophic waters.
 
Ű¿öµå
Algal inhibition;Allelochemical;Microcystis aeruginosa;Oak extracts;Tannic acid;Cyanobacteria;
 
Çѱ¹ÇÏõȣ¼öÇÐȸÁö / v.38, no.4, 2005³â, pp.475-481
Çѱ¹ÇÏõȣ¼öÇÐȸ
ISSN : 1976-8087
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200518317185602)
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