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Çѱ¹ÇÏõȣ¼öÇÐȸ / v.38, no.4, 2005³â, pp.494-502
À¯ÇØÁ¶·ù Á¦¾î¸¦ À§ÇÑ µÎ °¡Áö ÀÌ»óÀÇ »ý¹°Á¦Àç ¹× È¿°ú
( Antialgal Interactions of Biological Control Agents on Cyanobacterium and Diatom Blooms in vitro )
±è¹éÈ£;°­À±È£;ÃÖÈñÁø;°¡¼ø±Ô;ÇѸí¼ö; ÇѾç´ëÇб³ »ý¸í°úÇаú;ÇѾç´ëÇб³ ȯ°æ°úÇаú;ÇѾç´ëÇб³ ȯ°æ°úÇаú;ÇѾç´ëÇб³ ȯ°æ°úÇаú;ÇѾç´ëÇб³ »ý¸í°úÇаú;
 
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³ìÁ¶´ë¹ß»ýÀÇ ¿øÀÎÁ¾ÀÎ ³²Á¶ Microcystis aeruginosa¿Í ±ÔÁ¶ Stephanodiscus hantzschii ¿¡ ´ëÇÑ »ìÁ¶ ¹× ¼·½Ä´ÉÀ» °®´Â ¹ÚÅ׸®¾Æ ¹× ¼¶¸ðÃæÀ» °¢°¢ ´Üµ¶ ¹× È¥ÇÕó¸®ÇÏ°í »ìÁ¶´ÉÀ» ºñ±³ÇÏ¿´´Ù. ¸ÕÀú ³²Á¶ M. aeruginosa¿¡ ´ëÇÏ¿© »ìÁ¶¼¼±Õ Streptomyces neyagawensis¿Í ¼¶¸ðÃæ Stentor roeselii¸¦´Üµ¶ ¹× È¥ÇÕó¸®ÇÑ °á°ú, °¢°¢ÀÇ ´Üµ¶Ã³¸®°¡ È¥ÇÕ󸮺¸´Ù ´õ ³ôÀº »ìÁ¶´ÉÀ» ³ªÅ¸³»´Â µÎ »ý¹°Á¦ÀçÀÇ ±æÇ×Àû »ìÁ¶È¿°ú¸¦ ³ªÅ¸³Â´Ù. ¶ÇÇÑ ±ÔÁ¶ S. hantzschii ¿¡ ´ëÇØ »ìÁ¶´ÉÀ» °®´Â ¹ÚÅ׸®¾Æ P seudomonas putida¿Í S. roeselii¸¦ Àü°ú µ¿ÀÏÇÑ ¹æ¹ýÀ¸·Î ´Üµ¶ ¹× È¥ÇÕó¸®ÇÏ¿© °á°ú¸¦ ºñ±³ÇÏ¿´´Ù. Àü ½ÇÇè°ú´Â ´Ù¸£°Ô µÎ »ý¹°Á¦ÀçÀÇ È¥ÇÕ󸮰¡ ´Üµ¶Ã³¸®º¸´Ù ´õ ³ôÀº »ìÁ¶´ÉÀ» º¸ÀÌ´Â µÎ »ý¹°Á¦ÀçÀÇ »ó½ÂÀû »ìÁ¶È¿°ú¸¦ ³ªÅ¸³Â´Ù. ÀÌ·¯ÇÑ °á°úµéÀº ³ìÁ¶ Á¦¾î¸¦ À§ÇÑ »ý¹°Á¦ÀçÀÇ Àû¿ë½Ã À¯¿ëÇÏ°Ô ÀÌ¿ëµÉ °ÍÀ̸ç, ´Ù¾çÇÑ »ý¹°Á¦À縦 ÀÌ¿ëÇÔÀ¸·Î¼­ ¼öÁß»ýŰèÀÇ È¥¶õÀ» ÃÊl¼ÒÈ­½Ãų ¼ö ÀÖÀ» °ÍÀ¸·Î »ç·áµÇ¾ú´Ù.
Antialgal bacteria and ciliates were tested alone and in combination for their abilities to decrease the densities of the warm-weather cyanobacterium, Microcystis aeruginosa, and the cold-weather centric diatom, Stephanodiscus hantzschii. Our results indicate that the density of M. aeruginosa was effectively suppressed by the bacterium, Streptomyces neyagawensis, and the heterotrich ciliate, Stentor roeselii. However, co-treatment with both bio-agents stimulated the algal density rather than decreasing it, suggesting that S. neyagawensis and S. roeselii may have an antagonistic relationship. Additional experiments revealed that the density of S. hantzschii was effectively suppressed by the bacterium, Pseudomonas putida, and by the above mentioned strain of S. roeselii. Co-treatment with both bio-agents had a higher antialgal activity than treatment with each alone, indicating that the bio-agents may act synergistically. These results suggest that the anti-alge efficacy of co-treatment with multiple biological control agents is likely to differ depending on the bio-agents and target organisms.
 
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Çѱ¹ÇÏõȣ¼öÇÐȸÁö / v.38, no.4, 2005³â, pp.494-502
Çѱ¹ÇÏõȣ¼öÇÐȸ
ISSN : 1976-8087
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200518317185625)
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