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Çѱ¹»ý¹°È¯°æÁ¶ÀýÇÐȸ / v.11, no.4, 2002³â, pp.163-167
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( Effect of Minimum Night Temperature on Growth of Seedlings of Pinus densiflora and Betula platyphylla in Container Culture during Winter Season )
È«¼º°¢;À±Á¾±Ô;À±ÅýÂ;±èÁ¾Áø; °Ç±¹´ëÇб³ »ê¸²È¯°æ°úÇаú;ÀÓ¾÷¿¬±¸¿ø ÁߺÎÀÓ¾÷½ÃÇèÀå;ÀÓ¾÷¿¬±¸¿ø ÁߺÎÀÓ¾÷½ÃÇèÀå;°Ç±¹´ëÇб³ »ê¸²È¯°æ°úÇаú;
 
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°Ü¿ïö ¼Ò³ª¹«¿Í ÀÚÀÛ³ª¹«ÀÇ ½Ã¼³¾ç¹¦½Ã »ýÀ°¿¡ ÇÊ¿äÇÑ ¾ß°£ ÃÖÀú¿Âµµ¸¦ ±¸¸íÇϰíÀÚ ÃÖÀú¿Âµµ°¡ °¢°¢ 5~8$^{circ}C$, 10~13$^{circ}C$¹× 15~18$^{circ}C$·Î ¼³Á¤µÈ 2Áß ÇǺ¹ PE house¿¡¼­ ½Ç½ÃÇÏ¿´´Ù. ¼³Á¤µÈ ¿ÂµµÃ¼°è´Â ¹ß¾Æ ÃÖ¼º±â ÈÄ ¾à 8ÁÖ(4¿ù 6ÀÏ)Á¤µµ±îÁö À¯ÁöµÇ¾úÀ¸¸ç ±× ÈÄ¿¡´Â ÀÚ¿¬ ¿ÂµµÀÇ »ó½ÂÀ¸·Î ¾ß°£ ¿ÂµµÃ¼°è¸¦ À¯ÁöÇÒ ¼ö ¾ø¾ú´Ù. ¿Âµµ 󸮿¡ µû¸¥ ¹ß¾ÆÀ²ÀÇ Â÷ÀÌ´Â ¾ø¾úÀ¸³ª ¹ß¾Æ¼Óµµ´Â 10¿©ÀÏ ´Ê¾îÁ³´Ù. µÎ ¼öÁ¾ ¸ðµÎ ¿Âµµ °¡ ³·¾ÆÁü¿¡ µû¶ó ¼ö°í»ýÀå, ±Ù¿ø°æ»ýÀå ¹× °ÇÁß·®ÀÌ °¨¼ÒÇÏ¿´´Ù. ƯÈ÷ ¹ß¾Æ 8ÁÖ ÈÄÀÇ Áö»óºÎ °ÇÁß·®¿¡¼­ ±× ¿µÇâÀÌ Å©°Ô ³ªÅ¸³­ °ÍÀ¸·Î Á¶»çµÇ¾úÀ¸¸ç, ÀÌ·¯ÇÑ °á°ú´Â 5~8$^{circ}C$¿¡¼­ÀÇ °¡Àå ³·Àº T/RÀ²À» À¯µµÇÏ¿´´Ù. ÇÑÆí »ó´ëÀûÀ¸·Î ³·Àº ¿ÂµµÃ³¸®¿¡ ´ëÇÑ ¼ö°í»ýÀå ¹ÝÀÀÀº ÀÚÀÛ³ª¹«°¡ º¸´Ù ¹Î°¨ÇÑ °ÍÀ¸·Î °üÂûµÇ¾ú´Ù. ÀϹÝÀûÀ¸·Î °Ü¿ïö ÀÓ¾÷ ½Ã¼³¾ç¹¦½Ã ¼³Á¤µÇ´Â »ýÀ° ÃÖÀú¿ÂµµÀÇ ¹üÀ§´Â ¼öÁ¾¿¡ µû¶ó ´Ù¸£Áö¸¸, º» ½ÇÇèÀÇ °á°ú¸¦ °í·ÁÇÒ ¶§ 15$^{circ}C$ÀÌ»óÀº ¼³Á¤µÇ¾î¾ß¸¸ ¿ì¸®³ª¶ó¿¡¼­ °Ü¿ïö ½Ã¼³¾ç¹¦½Ã Á¤»óÀûÀÎ ¹¦¸ñÀÇ »ýÀ°ÀÌ °¡´ÉÇϸ®¶ó ÆÇ´ÜµÈ´Ù.
This study was carried out to investigate the effect of minimum night temperature in the PE house on growth of seedlings of Pinus densiflora and Betula platyphylla in winter season. The experiment was performed with three minimum night temperature regimes,5~8$^{circ}C$, 10~13$^{circ}C$ and 15~18$^{circ}C$. The temperature regimes were maintained for 8 weeks (to April 6) after germination peak, and then were broken by increasing natural temperature. The temperature did not affect the germination rate but delayed the germination by 10 days. Height, root collar diameter growth, and dry weight of two species were reduced by relatively low night temperature. The reduction was more obvious in the dry weight of above the ground measured at 8 weeks after germination. The seedlings grown for 8 weeks at 5~8$^{circ}C$ showed the lowest T/R ratio. It was also observed that the height growth response in Betula platyphylla seedlings to relatively low temperature was more sensitive than Pinus densiflora.
 
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»ý¹°È¯°æÁ¶ÀýÇÐȸÁö / v.11, no.4, 2002³â, pp.163-167
Çѱ¹»ý¹°È¯°æÁ¶ÀýÇÐȸ
ISSN : 1229-4675
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200211922407381)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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