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Çѱ¹ÀܵðÇÐȸ / v.19, no.2, 2005³â, pp.65-72
ÄËÅÍŰ ºí·ç±×·¡½º Æä¾î¿þÀÌ¿¡¼­ ¹®Á¦°¡ µÇ´Â Å©¸®ÇÎ º¥Æ®±×·¡½º ¹æÁ¦
( Creeping Bentgrass(Agrostis palustris Huds.) Control in Kentucky Bluegrass(Poa pratensis L.) Fairways )
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Creeping bentgrass (Agrostis palustris Huds.) had been the problematic weed for Kentucky bluegrass (Poa pratensis L.) fairway since it shows light green color all year. Experiment was carried out to determine the best herbicides combination to control creeping bentgrass in Kentucky bluegrass. fairway without injury. To investigate the efficacy of herbicides, five post-emergence herbicides of asulam WG ($87.6%$), imazaquin SL ($20%$), fenoxaprop-P-ethyl EC ($7%$), mecoprop SL ($50%$), triclopyr-TEA SL ($30%$) and one pre-emergence herbicide pendimethalin EC ($31.7%$) treated on 21 Sept. and 10 Nov. 2003. Kentucky bluegrass visual quality evaluated 30 and 50 days after application for phytotoxic effects of the herbicides. As a result, asulam WG (0.2g/$m^{2}$) and imazaquin SL (0.3ml/$m^{2}$) showed approximately $90%$ of control in creeping bentgrass, but visual quality of Kentucky bluegrass significantly decreased from 20 to 50DAT (day after treatment). However, creeping bentgrass was acceptably controlled(over $80%$) by fenoxaprop-P-ethyl EC (0.4ml/$m^{2}$)+triclopyr-TEA SL(0.3 ml/$m^{2}$) applied twice on 21 Sept. and 1 Oct. 2003 without serious injury on Kentucky bluegrass. Therefore, it is suggested that an application of fenoxaprop-P-ethyl EC (0.4ml/ $m^{2}$)+triclopyr-TEA SL (0.3 ml/$m^{2}$) may be more effective to control creeping bentgrass in Kentucky bluegrass with the least phytotoxicity by herbicides.
 
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problematic weed;Selective control;Fenoxaprop-P-ethyl;Triclopyr-TEA;Phytotoxicity;
 
Çѱ¹ÀܵðÇÐȸÁö / v.19, no.2, 2005³â, pp.65-72
Çѱ¹ÀܵðÇÐȸ
ISSN : 1229-3253
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200511722610870)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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