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Çѱ¹»ý¹°È¯°æÁ¶ÀýÇÐȸ / v.12, no.4, 2003³â, pp.173-179
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( Effects of Timings and Light Intensities of Supplemental Red Light on the Growth Characteristics of Cucumber and Tomato Plug Seedlings )
À强ȣ;ÀüÀÍÁ¶;¹Ú¿ëö; °­¿ø´ëÇб³ ³ó¾÷»ý¸í°úÇдëÇÐ ½Ä¹°ÀÀ¿ë°úÇкΠ¿ø¿¹Àü°ø;¾Èµ¿´ëÇб³ »ý¸íÀÚ¿ø°úÇкÎ;°­¿ø´ëÇб³ ³ó¾÷»ý¸í°úÇдëÇÐ »ý¹°È¯°æÇкΠÀÀ¿ë»ý¹°Àü°ø;
 
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º» ¿¬±¸´Â ¿ÀÀÌ¿Í Å丶ÅäÀÇ Ç÷¯±× ¹¦ °øÁ¤À°¹¦½Ã ¹ß»ýÇÏ´Â µµÀå ¾ïÁ¦¸¦ À§ÇÑ Àû»ý±¤ 󸮽ñâ¿Í ±¤µµÀÇ ¿µÇâÀ» ¾Ë¾Æº¸±â À§ÇØ ½ÇÇèÀ» ¼öÇàÇÏ¿´´Ù. Àϸô ÈÞ, ¾ß°£ ¹× ÀÏÃâ Àü Àû»ö±¤ 󸮽ñ⿡ ÀÇÇÑ ¹¦ÀÇ µµÀå¾ïÁ¦´Â Àϸô ÈÄ Ã³¸®°¡ ¿ÀÀÌ¿Í Å丶ÅäÀÇ ÃÊÀåÀ» °¢°¢ 21.3%¿Í 14.2%·Î °¡Àå Å©°Ô ¾ïÁ¦ÇÏ¿´°í, °æ°æÀÇ ±½±âµµ °¡Àå µÎ²¨¿ü´Ù. ¿±·Ï¼ÒÇÔ·®Àº Å丶Åä¿¡¼­¸¸ Àϸô ÈÄ Ã³¸®µÈ Ç÷¯½º¹¦ÀÇ ÇÔ·®ÀÌ ´ëÁ¶±¸¿¡ ºñÇØ À¯ÀÇÀûÀ¸·Î ³ô°Ô ³ªÅ¸³µ´Ù. Àû»ö±¤ Ãʸ®½Ã±â¿¡ ÀÇÇÑ µÎ ÀÛ¹°ÀÇ °Ç¹°ÁßÀ» º¸¸é, ´ëÁ¶±¸¿¡ ºñÇØ Áö»óºÎ °Ç¹°ÁßÀº Àϸô ÈÄ¿Í ÀÏÃâ Àü Àû»ö±¤ 󸮿¡ ÀÇÇØ À¯ÀÇÀûÀÎ °¨¼Ò¸¦ º¸¿´´Ù. ¿ÀÀÌ¿Í Å丶Åä Ç÷¯±×¹¦ÀÇ T/RÀ²Àº Àϸô ÈÄ Ã³¸®¿¡¼­ Ÿ 󸮿¡ ºñÇØ °¡Àå ÀÛ¾ÒÀ¸¸ç Á¶¤¸Á÷ÀÇ Ãæ½Çµµ´Â ¹Ð¸ô ÈÄ Ã³¸®¿¡¼­ °¡Àå Å©°Ô ³ªÅ¸³µ´Ù. ±¤µµº° 󸮿¡ ÀÇÇÑ ÃÊÀåÀº ¿ÀÀÌ¿Í Å丶Åä Ç÷¯±×¹¦ ¸ðµÎ¿¡¼­ ±¤µµ°¡ Áõ°¡ÇÔ¿¡ µû¶ó ÃÊÀåÀº °¨¼ÒÇÏ¿´´Ù. ÇϹèÃâ, Àý°£Àå ¹× ¿±¸éÀûµµ ÃÊÀå°ú À¯»çÇÑ °æÇâÀ» ³ªÅ¸³»¾ú´Ù. µÎ ÀÛ¹° ¸ðµÎ °æ°æ°ú ¿±·Ï¼ÒÇÔ·® ¹× Á¶Á÷ÀÇ Ãæ½Çµµ´Â ±¤µµ°¡ Áõ°¡ÇÔ¿¡ µû¶ó Áõ°¡ÇÏ´Â °æÇâÀ» º¸¿´´Ù. ÇÏÁö¸¸ Áö»óºÎ¿Í ÁöÇϺÎÀÇ °Ç¹°À²Àº ±¤µµÀÇ Áõ°¡¿¡ µû¶ó °¨¼ÒÇÏ´Â °æÇâÀÌ ³ªÅ¸³µÀ¸¸ç, ¿ÀÀÌ´Â 2 ¹× 8 ${mu}mol{cdot}m^{-2}{cdot}s^{-1}$ÀÇ Àû»ö±¤ 󸮱¸¿¡¼­ Å丶Åä´Â 8 ${mu}mol{cdot}m^{-2}{cdot}s^{-1}$󸮱¸¿¡¼­ °¡Àå ³·Àº T/RÀ²À» ³ªÅ¸³»¾ú´Ù.
This study was established to control the overgrowth of cucumber and tomato plug seedlings by controlling of irradiation timings light intensities of red (R) light. Compared with the control, end-of-day (EOD) timing of R irradiation significantly reduced the seeding heights by 21.3% and 14.2% in cucumber and tomato, respectively. In addition, both plant seedlings treated with R light at EOD timing had the thickest stem diameter. Tomato seedlings treated with R light at EOD showed th highest chlorophyll content and the smallest leaf size. Dry weights of above ground plant tissue in both plant seedlings were significantly reduced by EOD R light treatment. And both plant seedlings treated with EOD treatment had the lowest T/R ratio, and the highest compactness rates. The increased intensities of R light resulted in the shorter plant heights in cucumber and tomato plant seedlings. It also reduced the length of hypocotyls and internodes and the size of leaves in the both seedlings. Elevated R light intensities tended to increase the stem diameter and chlorophyll contents. Dry weights of above ground plant tissue and roots in both plant seedlings were reduced by the elevated R irradiation. Cucumber seedlings treated with 2 and 8 $mol{cdot}m^{-2}{cdot}s^{-1}$ and tomato seedlings treated with 8 ${mu}mol{cdot}m^{-2}{cdot}s^{-1}$ had significantly lower T/R ratio the other treatments tested.
 
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T/RÀ²;Á¶Á÷Ãæ½Çµµ;Cucumis sativus L.;Lycopersicum esculentum Mill;T/R ratio;compactness;
 
»ý¹°È¯°æÁ¶ÀýÇÐȸÁö / v.12, no.4, 2003³â, pp.173-179
Çѱ¹»ý¹°È¯°æÁ¶ÀýÇÐȸ
ISSN : 1229-4675
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200315875836906)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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