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Çѱ¹ÀܵðÇÐȸ / v.20, no.2, 2006³â, pp.191-201
Àܵ𠵿Àü¸¶¸§º´ÀÇ »ý¹°ÇÐÀû ¹æÁ¦¸¦ À§ÇÑ ±æÇ× ¹Ì»ý¹°ÀÇ ¼±¹ß°ú È¿·Â °ËÁ¤
( Development of Antagonistic Microorganism for Biological Control of Dollar Spot of Turfgrass )
½ÅÅüö;Á¤¿ìö;µµ±â¼®;½É±Ô¿­;ÀÌÀçÈ£;ÃÖ±âÇö; (ÁÖ)±×¸°¹ÙÀÌ¿ÀÅØ ºÎ¼³ »ý¸í°øÇבּ¸¼Ò;(ÁÖ)±×¸°¹ÙÀÌ¿ÀÅØ ºÎ¼³ »ý¸í°øÇבּ¸¼Ò;(ÁÖ)±×¸°¹ÙÀÌ¿ÀÅØ ºÎ¼³ »ý¸í°øÇבּ¸¼Ò;Çѱ¹Àܵ𿬱¸¼Ò;(ÁÖ)±×¸°¹ÙÀÌ¿ÀÅØ ºÎ¼³ »ý¸í°øÇבּ¸¼Ò;(ÁÖ)±×¸°¹ÙÀÌ¿ÀÅØ ºÎ¼³ »ý¸í°øÇבּ¸¼Ò;
 
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ÆÛÆÃ ±×¸°ÀÇ ÇÑÁöÇü Àܵ𿡠¸¹Àº ¹®Á¦°¡ µÇ°í ÀÖ´Â µ¿Àü¸¶¸§º´Àº Sclerotinia homeocarpa¿¡ ÀÇÇØ ¹ß»ýÇÑ´Ù. º» ¿¬±¸¿¡¼­´Â ¹Ì»ý¹° Á¦Á¦¸¦ ÀÌ¿ëÇÑ »ý¹°ÇÐÀû ¹æÁ¦¹ýÀ» ÅëÇÏ¿© µ¿Àü¸¶¸§º´À» ¹æÁ¦ÇϰíÀÚ Àü±¹ÀÇ °ñÇÁÀå°ú »ê, ¹ç Åä¾ç¿¡¼­ ±æÇ× ¹Ì»ý¹°À» ºÐ¸®ÇÏ¿´´Ù. ±æÇ× ¹Ì»ý¹°Àº µ¿Àü¸¶¸§º´ÀÇ º´¿ø±ÕÀÎ S. homeocarpa¿¡ ´ëÇÑ Ç×±ÕȰ¼º ¹× ±Õ»ç »ýÀå ¾ïÁ¦·Â, ¹è¾ç¼º µîÀ» °í·ÁÇÏ¿© ¼±¹ßÇÏ¿´°í, ÆýÆ®¿Í ÆÛÆÃ ±×¸°ÀÇ ¿¹ºñ ¹¦Æ÷Áö¿¡¼­ÀÇ »ý¹° °ËÁ¤ ½ÇÇèÀ» ÅëÇÏ¿© È¿·ÂÀ» °ËÁ¤ÇÏ¿´´Ù. ¼±¹ßµÈ ¹Ì»ý¹°Àº Bacillus subtilis EW42-1°ú Trichoderma harzianum GBF-0208À̾ú°í, »ý¹° °ËÁ¤ ½ÇÇè °á°ú È­ÇÐ ³ó¾à ´ëÁ¶±¸ÀÎ ÅͺÎÄÚ³ªÁ¹ À¯Á¦¿Í ´ëºñÇÏ¿© ³ôÀº ¹æÁ¦ È¿°ú¸¦ º¸¿´´Ù.
Dollar spot caused by Sclerotinia homeocarpa is one of major diseases in putting greens. Microorganisms antagonistic to S. homeocarpa, a pathogen of dollar spot, were primarily screened through in vitro tests, including dual culture method and triple layer agar diffusion method. In vivo tests were also conducted to select the best candidate for a biocontrol microorganism, using pot experiment. Bacillus subtilis EW42-1 and Trichoderma harziaum GBF-0208 were finally selected as biocontrol agents against dollar spot. Relative Performance Index(RPI) was used as a criterion of selecting potential biocontrol agents. B. subtilis EW42-1 and T. harzianum GBF-0208 showed resistance to several agrochemicals mainly used in a golf course. B. subtilis EW42-1 and T. harzianum GBF-0208 suppressed effectively the disease progress of dollar spot like synthetic fungicide tebuconazole in the nursery where dollar spot had seriously occurred. B. subtilis EW42-1 and T. harzianum GBF-0208 have a potential to be biocontrol agents for the control of dollar spot.
 
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°¥»ö ÀÙ¸¶¸§º´;¹Ù½Ç·¯½º ¼­ºêÆ¿¸®½º;»ý¹°ÇÐÀû ¹æÁ¦Á¦;Æ®¶óÀÌÄÚ´õ¸¶ ÇÏÀÌÁö¾Æ´½;biological control;Bacillus subtilis EW42-1;dollar spot;resistance to agrochemicals;Trichoderma harzianum GBF-0208;
 
Çѱ¹ÀܵðÇÐȸÁö / v.20, no.2, 2006³â, pp.191-201
Çѱ¹ÀܵðÇÐȸ
ISSN : 1229-3253
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200617317767391)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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