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Çѱ¹ÀܵðÇÐȸ / v.6, no.2, 1992³â, pp.560-569
Rhizoctonia±ÕÀÇ ¹è¾çƯ¼º ¹× Àܵ𿡠´ëÇÑ º´¿ø¼º°ú »ì±ÕÁ¦ÀÇ È¿°ú
( Studies on Cultural Characteristics and Pathogenicity of Rhizoctonia spp. and Effect of Fungicides )
À̵ÎÇü;À¯¿Õ±Ù;ÇѰæ¼÷; ¼­¿ï½Ã¸³´ëÇб³ ȯ°æ¿ø¿¹Çаú;±¹¸³³ó¾÷ÀÚÀç°Ë»ç¼Ò »ý¹°°Ë»ç;¼­¿ï½Ã¸³´ëÇб³ ȯ°æ¿ø¿¹Çаú;
 
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Rhizoctonia oryzae, R. oryzae-sativae ¹× R. solaniÀÇ ±Õ»çÀ¶ÇÕ±ºÀÇ °¢ ±ÕÁÖ¿¡ ´ëÇÑ ¹è¾çƯ¼º°ú creeping bentgrass ¹× µéÀܵ𿡠´ëÇÑ º´¿ø¼º°ú »ì±ÕÁ¦ÀÇ È¿°ú¿¡ ´ëÇÏ¿© Á¶»çÇÏ¿´´ø ¹Ù ´ÙÀ½°ú °°´Ù. 1. ±Õ»ç»ýÀ°¿¡ ¹ÌÄ¡´Â ¿ÂµµÀÇ ¿µÇâÀ» º¸¸é ³×°¡Áö ÇüÀ¸·Î ³ª´­ ¼ö Àִµ¥, R. oryzae¿Í R. oryzae-sativae´Â »ýÀ°Àû¿ÂÀÌ $30~35^{circ}C$ÀΠȣ°í¿ÂÇüÀ̾ú°í, R. solaniÀÇ ±Õ»çÀ¶ÇÕ±ºÀÇ °¢ ±ÕÁÖµµ ¼¼°¡Áö ÇüÀ¸·Î ³ª´µ¾ú´Âµ¥, Áï »ýÀ°Àû¿ÂÀÌ $25~30^{circ}C$ÀÎ °í¿ÂÇü, 20~25$^{circ}C$ÀÎ Áß°£Çü ¹× $20^{circ}C$ÀÎ Àú¿ÂÇüÀ̾ú´Ù. 2. Á¢Á¾½ÇÇè¿¡¼­ creeping bentgrass¿¡ ´ëÇØ¼­´Â R. oryzae¿Í R. solaniÀÇ AG-1( I A), AG-1( I B), bentgrassºÐ¸®±Õ ¹× º­ ºÐ¸®±ÕÀÌ °­ÇÑ º´¿ø¼ºÀ» ³ªÅ¸³Â°í, ±× ´ÙÀ½À¸·Î AG-2-1, AG-4, AG-5 ¹× AG-2-2°¡ Áß ¶Ç´Â ¾àÇÑ º´¿ø¼ºÀ» ³ªÅ¸³Â´Ù. µéÀܵ𿡠´ëÇØ¼­´Â R. oryzae¿Í R. solaniÀÇ µéÀܵð ºÐ¸®±ÕÀÌ °­ÇÑ º´¿ø¼ºÀ» ³ªÅ¸³Â°í AG-1( I B)¿Í AG-5°¡ ÁßÁ¤µµÀÇ º´¿ø¼ºÀ» ³ªÅ¸³Â´Ù. 3. »ì±ÕÁ¦ÀÇ È¿°ú´Â creeping bentgrassÀÇ brown patchº´°ú µéÀܵðÀÇ large patchº´¿¡ ´ëÇØ¼­ capro¿Í mytanµîÀÌ °¡Àå ÁÁ¾Ò°í brown patchº´¿¡ ´ëÇØ¼­´Â thiopan°ú pencycuronÀÌ, large patchº´¿¡ ´ëÇØ¼­´Â tolos¿Í thiopanÀÌ °¢°¢ ±× ´ÙÀ½À¸·Î ÁÁ¾Ò´Ù.
Cultural characteristics and pathogenicity on the isolates of Rhizoctonia oryzae, R. oryzae-sativae and anastomosis group of R. solani and evaluation of selected fungicides on brown patch disease of creeping bentgrass and large patch disease of zoysia grass were studied comparatively. From effect of temperature on the rate of mycelia growth, the result indicated that the temperature groups were separated into four types : isolates of R. oryzae and R. oryzae-sativae had an optimum temperature of $30~35^{circ}C$. Anastomosis groups of R. solani were separated into three temperature types as followings : high temperature type had an optimum temperature from 25 to $30^{circ}C$, moderate type had grown from 20 to $25^{circ}C$ for optimum and low temperature type had an optimum temperature of $20^{circ}C$ but at $35^{circ}C$ did not grow. Inoculation tests showed that AG-1( I A), AG-1( I B), bentgrass isolate of R. solani and R. oryzae were strongly pathogenic on creeping bentgrass, followed by AG-2-1, AG-4, AG-5 and AG-2-2 isolates of R. solani moderately to weakly. Zoysia grass isolate of R. solani and R. oryzae were strongly pathogenic on zoysia grass but AG-1( I B) and AG-5 isolates of R. solani showed moderately pathogenic. Capro(iprodione oxine-copper) and mytan(myclobutanil) were extremely effective against brown patch disease of creeping bentgrass and large patch disease of zoysia grass followed by thiopan (thiopanate-methyl) and pencycuron for brown patch disease and tolos(tolclofos-methyl) and thiopan for large patch disease.
 
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Çѱ¹ÀܵðÇÐȸÁö / v.6, no.2, 1992³â, pp.560-569
Çѱ¹ÀܵðÇÐȸ
ISSN : 1229-3253
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199211922436137)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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