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Çѱ¹ÀÚ¿ø½Ä¹°ÇÐȸ / v.14, no.2, 2001³â, pp.175-181
Çѱ¹Àܵð Á¾ÀÚÀÇ ¹ß¾ÆÀ² Çâ»óÀ» À§ÇÑ ÆÄÁ¾Àü Á¾ÀÚó¸®
( Presown Seed Treatments to Promote Seed Germination of Zoysiagrass (Zoysia japonica) )
Àüº´»ï;°­ÁøÈ£;Á¶»óö;±ÇÇõ½Ä;·ù¿µ¼·; °æ»ó´ëÇб³ ÀÀ¿ë»ý¸í°úÇкÎ;°æ»ó´ëÇб³ ÀÀ¿ë»ý¸í°úÇкÎ;°æ»ó´ëÇб³ ÀÀ¿ë»ý¸í°úÇкÎ;°æ»ó´ëÇб³ ÀÀ¿ë»ý¸í°úÇкÎ;³ó¸²ºÎ ³ó¸²±â¼ú°ü¸®¼¾ÅÍ;
 
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ÀܵðÀÇ Á¾ÀÚ¹ø½Ä¿¡¼­ÀÇ °¡Àå Å« ¹®Á¦Á¡Àº Á¾ÀÚÀÇ ÈÞ¸éÀ¸·Î ÀÎÇÑ ¹ß¾ÆÀ² ºÒ·®À̶ó ÇÒ ¼ö ÀÖ´Ù. ÆÄÁ¾ÀüÁ¾ÀÚ󸮸¦ ÅëÇÏ¿© ÀܵðÁ¾ÀÚÀÇ ¹ß¾ÆÀ² ºÒ·®À» ±Øº¹Çϱâ À§ÇÑ ±âÁ¸ÀÇ Á¾ÀÚó¸® ¸ðÇüÀ» ´õ¿í º¸¿ÏÇϰíÀÚ Á¾ÇÇ¿¬È­, Àú¿Â, °ÇÁ¶ 󸮸¦ ó¸®Áß ¶Ç´Â ¹ß¾Æ°úÁ¤ÀÇ ºûÁ¶°Ç°ú ¿¬°èÇÏ¿© À̵é 󸮰¡ ¹ß¾ÆÀ²¿¡ ¹ÌÄ¡´Â ¿µÇâÀ» ÃßÀûÇϰíÀÚ º» ¿¬±¸¸¦ ½Ç½ÃÇÏ¿´´ø ¹Ù ±× °á°ú¸¦ ¿ä¾àÇÏ¸é ´ÙÀ½°ú °°´Ù. 1. ¹ß¾ÆÀ²Àº NaOH·Î Á¾ÇÇ¿¬È­ ó¸®µÈ Á¾ÀÚÀÇ ¹ß¾ÆÁß Àû»ö LED¿Í ¹é¿­µîÀ¸·Î Á¶»çÇÒ °æ¿ì ¾Ï»óÅ·ΠÀ¯ÁöÇÏ´Â °Íº¸´Ù ³ôÀº°ÍÀ¸·Î Á¶»çµÇ¾ú´Ù. 2. ¹ß¾ÆÀ²Àº Á¾ÇÇ¿¬È­ ó¸®µÈ Á¾ÀÚ¸¦ °ÇÁ¶ÇÏ´Â °ÍÀÌ °ÇÁ¶¸¦ ÇÏÁö ¾ÊÀº °Íº¸´Ù ³ô¾Ò´ø ¹Ý¸é, °ÇÁ¶Áß Ã³¸® µÇ´Â Àû»ö±¤, Çü±¤µî, ¾Ïó¸® °£¿¡´Â Â÷À̰¡ ¾ø¾ú´Ù. 3. ¹ß¾ÆÀ²Àº Á¾ÇÇ¿¬È­ ó¸®µÈ Á¾ÀÚ¸¦ 2~3ÁÖ°£ÀÇ Àú¿Â ó¸®ÈÄ ÃÊÀû»ö±¤¿¡ ºñÇÏ¿© Àû»ö±¤ÀÇ ºñÀ²ÀÌ ¸¹Àº Çü±¤µîÀ¸·Î Á¶»çÇϸ鼭 °ÇÁ¶ÇÏ´Â °Í¿¡¼­ ¹ß¾ÆÀ²ÀÌ °¡Àå ³ô¾Ò´Ù. 4. Æò±Õ¹ß¾ÆÀ²Àº H$_2$SO$_4$8M¿¡ ó¸®ÇÏ´Â °ÍÀÌNaOH, KOH, acetone °¢ 20%¿¡ ó ¸® ÇÏ´Â °Íº¸´Ù ³ô¾ÒÀ¸³ª ƯÁ¤ ó¸®ÀÇ ¹ß¾ÆÀ²·Î´ÂNaOH20%¿¡ 30ºÐ°£ ó¸®ÇÏ´Â °Í¿¡¼­ °¡Àå ³ô¾Ò´Ù. 5. ó¸®µÈ Á¾ÀÚ°¡ ³ëÁö¿¡ ¹«ÇǺ¹À¸·Î ÆÄÁ¾µÇ´Â Á¶°ÇÀ» °í·ÁÇÒ °æ¿ì NaOH 20%¿¡ 30ºÐ°£ Á¾ÇÇ ¿¬È­¸¦ ½Ç½ÃÇÏ¿© ¼¼Ã´ÇÑ ´ÙÀ½ 2ÁÖÁ¤ µµ Àú¿Â󸮸¦ °¡ÇÑ Á¾ÀÚ¸¦ 35$^{circ}C$¿¡ 4½Ã°£ Çü±¤µîÀ¸·Î Á¶»çÇϸ鼭 °ÇÁ¶ÇÏ´Â °ÍÀ¸·Î ±âÁ¸ Àܵð Á¾ÀÚÀÇ ÆÄÁ¾Àüó¸® ¸ðÇüÀ» º¸¿ÏÇÏ¿´´Ù.
Dormancy of intact zoysiagrass seeds hinders its seed propagation in which presowing seed treatment must be done to overcome it. The study was done to remodel the presowing treatments of zoysiagrass seeds by determining the treatment effects of seedcoat softening, prechilling, drying and combined light treatment with them or during germination stage. Seedcoat softening with different chemicals (NaOH 20%, KOH 20%, $H_2SO_4;8M, acetone 20%) and periods (10, 30, 60 min.), prechilling with different periods at 3$^{circ}C$, and drying with 4 hours at 35$^{circ}C$ was done. Light sources were also applied with 660 nm red LED light, commercial fluorescent and incandescent light and darkness. Germination test was done in alternative day and night temperature of 35 and 2$0^{circ}C$ to check the daily germination rates. With seeds treated with NaOH 20% for 30 minutes, red and incandescent light showing similar responses inclined their germination rates compared to dark conditions. Drying resulted in its higher rate than non-drying but fluorescent light treatment forced during drying more enhanced the rate than red light. While mean germination rate considering all the seedcoat softening treatment periods was the greatest in $H_2SO_4$ in comparison with NaOH, KOH and acetone, NaOH treatment for 30 minutes showed the best rate among the all the treatment levels. In the conditions of sowing them to no-mulching field, presowing treatment procedure of zoysiagrass seeds was remodeled: the seedcoat softening treatment with NaOH 20% for 30 minutes was done, washed, and chilled at 3$^{circ}C$ for 2 weeks before dried under 4 hour fluorescent light illumination at 35$^{circ}C$.
 
Ű¿öµå
Zoysiagrass;Seedcoat softening;Prechilling;Drying;Light;Germination;
 
Çѱ¹ÀÚ¿ø½Ä¹°ÇÐȸÁö / v.14, no.2, 2001³â, pp.175-181
Çѱ¹ÀÚ¿ø½Ä¹°ÇÐȸ
ISSN : 1226-3591
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200111921403158)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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