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Çѱ¹ÀܵðÇÐȸ / v.21, no.2, 2007³â, pp.147-154
¿ì¸®³ª¶óÀÇ °ñÇÁÄÚ½º¿¡¼­ Typhula spp.¿¡ ÀÇÇØ ¹ß»ýÇÏ´Â ¼³ºÎº´ÀÇ µ¿Á¤ ¹× ¹æÁ¦
( Identification and Chemical Control of Gray Snow Molds Caused by Typhula spp. on Golf Course in Korea )
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2004³â 3¿ù¿¡ Àü¶óºÏµµ¿¡ À§Ä¡ÇÑ ÇÑ °ñÇÁÀåÀÇ ÄËÅÍŰ ºí·ç±×·¡½º¿Í ÆÛ·¹´Ï¾ó ¶óÀ̱׷¡½º¿¡ ¼³ºÎº´ÀÌ ¹ßº´µÇ¾ú´Ù. °¨¿°µÈ ÀܵðÀÙµéÀº ¼­·Î ¾ûÄÑÀú ¸ÅƮȭ µÇ°í, Èò»ö¿¡¼­ ȸ¹é»öÀÇ ±Õ»çüµé·Î µ¤¿©ÀÖ¾ú´Ù. ±ÕÇÙµéÀº ÀܵðÀÇ ¿±½Å, ¿±ÃÊ ¹× °üºÎ À§¿¡ Çü¼ºµÇ¾î ÀÖ¾ú´Ù. À̺´ ÀÙÀ¸·ÎºÎÅÍ ºÐ¸®µÈ °õÆÎÀÌ´Â Á÷°æÀÌ 1.4 mm ¹Ì¸¸ÀÇ ¹àÀº ÇÎÅ©¿¡¼­ °¥»öÀÇ ºÒ±ÔÄ¢ÇÑ ¸ð¾çÀÇ ±ÕÇÙ°ú ²©¼è¿¬°áü, Èò»öÀÇ ±Õ»çü µîÀ» Çü¼ºÇÏ¿© Typhula incarnata¿Í °°Àº Ư¡À» º¸¿´´Ù. ºÐ¸®µÈ T. incarnataÀÇ ±Õ»ç»ýÀ° Àû¿ÂÀº $5{sim}15^{circ}C$À̾ú´Ù. ¿øÀαÕÀÇ ribosomal RNA IST1ÀÇ ºÎºÐ ¿°±â¼­¿­Àº GeneBank database¿¡ µî·ÏµÈ T. incarnataÀÇ ºÎºÐ ¿°±â¼­¿­°ú 91%·ÎÀÇ »óµ¿¼ºÀ» º¸¿© T. incarnata·Î µ¿Á¤µÇ¾ú´Ù. ½Ç³» ¾àÁ¦¹æÁ¦ ½ÃÇè°á°ú 14°³ »ì±ÕÁ¦ Áß iprodione, tebuconazole, polyoxin D, flutolanil, hexaconazole, tolclofos-methyl, fosetyl-Al, mepronil, pencycuron+ tebuconazole ¹× fenarimol »ì±ÕÁ¦µéÀº Ãßõ³óµµ¿¡¼­ ¿ÏÀüÇÏ°Ô ±Õ»ýÀåÀ» ¾ïÁ¦ÇÏ¿´´Ù. Æ÷Àå½ÃÇè¿¡¼­, ÀÌµé »ì±ÕÁ¦¿Í thifluzamide¿Í thiram°ú °°Àº »ì±ÕÁ¦µéÀº ´Ù¼Ò ¹æÁ¦È¿´ÉÀÇ Á¤µµ Â÷ÀÌ´Â ÀÖÁö¸¸ È¿°úÀûÀ¸·Î Àܵ𠼳ºÎº´À» ¹æÁ¦ÇÏ¿´´Ù.
In March of 2004, gray snow mold (Typhula blight) caused by Typhula spp. occurred on perennial ryegrass (Lolium perenne L.) and Kentucky bluegrass (Poo pratensis L.) at MuJu golf courses in Jeonbuk Province. Leaves in the affected areas were matted together and frequently covered with white to grayish mycelia. Sclerotia were formed on the leaf blade, leaf sheath, or crown regions. The fungus isolated from the diseased leaf formed whitish mycelium, clamp connections, and light pink to brown, irregular-shaped small sclerotia of less than 1.4 mm in diameter, which are characteristic to Typhula incarnata. Optimum temperature ranges for mycelial growth were $5^{circ}C$ to $15^{circ}C$. The causal organism was confirmed to be T. incarnata as the partial sequence of its ribosomal RNA ITS1 (internal transcribed spacer) region was 91% homologous to those of T. incarnata in GenBank database. Out of the 14 fungicides tested fur antifungal activity in vitro, 10 fungicides including iprodione, tebuconazole, polyoxin D, flutolanil, hexaconazole, tolclofos-methyl, fosetyl-Al, mepronil, pencycuron+tebuconazole, and fenarimol completely inhibited fungal growth at their recommended concentrations. In the field test, these fungicides and others such as thifluzamide and thiram effectively controlled the gray snow mold of turfgrass with some variable degrees of control efficacies.
 
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¼³ºÎº´;ŸÀÌÆú¶ó ÀÎÄ«³ªÅ¸;È­ÇÐÀû ¹æÁ¦;Typhula blight;Typhula incarnata;chemical control;
 
Çѱ¹ÀܵðÇÐȸÁö / v.21, no.2, 2007³â, pp.147-154
Çѱ¹ÀܵðÇÐȸ
ISSN : 1229-3253
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200720055490145)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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