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Çѱ¹ÀܵðÇÐȸ / v.20, no.2, 2006³â, pp.157-165
Bispyribac-sodium 󸮿¡ ÀÇÇÑ »õÆ÷¾ÆÇ®(Poa annua L.) ¹æÁ¦
( Control of Annual Bluegrass(Poa annua L.) by Bispyribac-sodium )
¹Ú³²ÀÏ;ÀÌÀοë;¹ÚÀçÀ¾;±èÈ£ÁØ;ÀüÀçö;¼Ò¸³¿ø ½Â; Çѱ¹Àܵ𿬱¸¼Ò;³ó¾÷°úÇбâ¼ú¿ø ³ó¾÷»ý¹°ºÎ;³ó¾÷°úÇбâ¼ú¿ø ³ó¾÷»ý¹°ºÎ;Çѱ¹Àܵ𿬱¸¼Ò;ÀüºÏ´ëÇб³ ³ó¾÷»ý¸í°úÇдëÇÐ;¿ìµµ°ü´ëÇÐ;
 
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»õÆ÷¾ÆÇ®À» ¼±ÅÃÀûÀ¸·Î ¹æÁ¦Çϱâ À§ÇÑ ¾àÁ¦·Î½áÀÇ Àû¿ë °¡´É¼ºÀ» Á¶»çÇϱâ À§ÇØ bispyribac-sodiumÀÇ »ìÃʽºÆåÆ®·³À» ÅëÇÑ »õÆ÷¾ÆÇ®°ú º¥Æ®±×·¡½ºÀÇ »ìÃʼ±ÅüºÀ» »ýÀ°±âº°·Î Á¶»çÇÏ¿´´Ù. bispyribac-sodium Åä¾ç󸮿¡ ÀÇÇÑ °ø½Ã ÃÊÁ¾ÀÇ ¹æÁ¦°¡´Â ÀüüÀûÀ¸·Î ³·¾ÒÀ¸³ª ƯÀÌÀûÀ¸·Î ³ÃÀÌ¿¡ ´ëÇØ¼­´Â 90% ÀÌ»óÀÇ ³ôÀº ¹æÁ¦°¡¸¦ ³ªÅ¸³»¾ú´Ù. bispyribac-sodium °æ¿±Ã³¸®´Â Å«Âü»õÇÇ, ±×·É, ¼Ò¸®ÀïÀÌ µî ´Ù³â»ýÀâÃÊ¿Í º¥Æ®±×·¡½º¸¦ Á¦¿ÜÇÑ °ø½ÃÃÊÁ¾¿¡¼­ ³ôÀº »ýÀ°¾ïÁ¦ È¿°ú¸¦ º¸¿© È­º»°ú ¹× ±¤¿±ÀâÃÊ µî ³ÐÀº »ìÃʽºÆåÆ®·³À» °¡Áö°í ÀÖ°í º¥Æ®±×·¡½º¿Í »õÆ÷¾ÆÇ® °£¿¡ ¼±ÅÃÀûÀÎ ¹æÁ¦Á¦·Î½áÀÇ Àû¿ë°¡´É¼ºÀÌ ÀÖ´Â °ÍÀ¸·Î ³ªÅ¸³µ´Ù. º¥Æ®±×·¡½º¿Í »õÆ÷¾ÆÇ®ÀÇ »ýÀ°±âº° ¾àÁ¦¹ÝÀÀ Â÷À̸¦ Á¶»çÇÑ °á°ú, º¥Æ®±×·¡½º´Â »õÆ÷¾ÆÇ®¿¡ ºñÇØ ¸ðµç »ýÀ°±âº° 󸮿¡¼­ ³ôÀº $GR_{50}$ °ªÀ» º¸¿© µ¿ÀÏÇÑ ¾à·®¿¡¼­ »õÆ÷¾ÆÇ®ÀÌ º¥Æ®±×·¡½ºº¸´Ù bispyribac-sodium¿¡ ´ëÇÏ¿© °¨¼ö¼ºÀ» ³ªÅ¸³»¾ú´Ù. ƯÈ÷, »õÆ÷¾ÆÇ®°ú º¥Æ®±×·¡½º °£ Ãâ¼öÈÄ Ã³¸® 28ÀÏÈÄ Á¶»ç¿¡¼­´Â 14ÀÏ ÈÄ Á¶»ç°á°úº¸´Ù ¾à 2¹è ³ô¾ÆÁø 6.8¹èÀÇ ³ôÀº ¼±Åüº Â÷À̸¦ º¸¿´´Ù.
This study was initiated to investigate herbicidal selectivity margin with annual bluegrass and bentgrass according to growth stages through herbicidal spectrum of bispyribac-sodium and therefore to examine application possibility to prevent annual bluegrass selectively. The herbicidal efncacy by pre-emergence application was generally low. But a high herbicidal efficacy was observed over 90% for Shehpherd's purse. Foliar treatment resulted in a higher herbicidal efficacy in all tested plants except dallisgrass, lovegrass, curled dock and bentgrass as compared with pre-emergence application. We found bispyribac-sodium could be used as a selective weeding chemical between annual bluegrass and bentgrass. In regard to dose-responses to the growth stage, annual bluegrass was more susceptible to bispyribac-sodium than bentgrass for the same dosage. Particularly, bispyribac-sodium application in inflorescence emergence stage showed a greater herbicidal selectivity margin of 6.8 times with annual bluegrass over creeping bentgrass after 28 days from the application. These data demonstrated that annual bluegrass was more sensitive to bispyribac-sodium over creeping bentgrass.
 
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º¥Æ®±×·¡½º;ºñ½ºÇǸ®¹Ú-¼Òµð¿ò;»ìÃÊ ¼±Åüº;»ìÃʽºÆåÆ®·³;»õÆ÷¾ÆÇ®;Á¦ÃÊȰ¼º;annual bluegrass;bispyribac-sodium;herbicidal selectivity;herbicidal spectrum;
 
Çѱ¹ÀܵðÇÐȸÁö / v.20, no.2, 2006³â, pp.157-165
Çѱ¹ÀܵðÇÐȸ
ISSN : 1229-3253
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200617317767378)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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