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Çѱ¹»ý¹°È¯°æÁ¶ÀýÇÐȸ / v.6, no.4, 1997³â, pp.270-276
¹è¾ç¾× ¿Âµµ ¹× Â÷±¤Á¤µµ°¡ ûġ¸¶ »óÃßÀÇ »ýÀ°¿¡ ¹ÌÄ¡´Â ¿µÇâ
( Effect of Temperture and Light on Growth of Leaf Lettuce(Lactuca sativa L. var. crispa cv. Cheongchima) in Hydroponics )
³²»ó¿ë;±Ç¿ë¿õ; »ïÀ°´ëÇб³ ¿ø¿¹Çаú;¼­¿ï´ëÇб³ ³óÇаú;
 
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ÀÙ»óÃßÀÇ Ç°Áú Æò°¡ ±âÁØÀ» µµÃâÇϱâ À§ÇÏ¿© ûġ¸¶ »óÃ߸¦ °ø½ÃÇÏ¿© ¼ö°æÀç¹èÇϰí Àç¹èÀû Á¶°Ç¿¡ µû¸¥ »óÃßÀÇ Ç°Áúº¯È­¸¦ Á¶»çÇÑ °á°ú´Â ´ÙÀ½°ú °°´Ù. ¼öºñ¾×¿Âµµ°¡ $25^{circ}C$·Î Ç׿ÂÀÎ °æ¿ì ÀÏÁ¤ÇÒ °æ¿ì ÁÖ»ó »ýüÁßÀÌ 59.7gÀ¸·Î ¼ö¾çÀº °¡Àå ³ô¾ÒÀ¸³ª ¿Ü°üǰÁúÁ¡¼ö´Â 5.2·Î °¡Àå ³·¾Ò°í ¿Âµµ°¡ 15$^{circ}C$¿¡¼­´Â ¼ö·®ÀÌ °¡Àå ³µ¾ÒÀ¸³ª ¿Ü°üÆòÀ¯Á¡¼öÀº 8.2·Î °¡Àå ÁÁ¾Ò´Ù. ÇÑÆí ¼ö°æ¾×ÀÇ ¿Âµµ°¡ Á־߰£ ´Ù¸¦ °æ¿ì º» ½ÇÇè¿¡¼­´Â Á־߰£ÀÌ °¢°¢ 20/2$0^{circ}C$ÀÏ °æ¿ì¿Í 25/2$0^{circ}C$ÀÎ °æ¿ì°¡ Á¦ÀÏ ³ô¾Ò°í ±×º¸´Ù °í¿ÂÀ̰ųª Àú¿ÂÀÏ °æ¿ì ¾×¾çÀÌ ³·¾Ò´Âµ¥ ÀÙ»óÃßÀÇ ¿Ü°ü ǰÁúÀº ÁÖ/¾ß 20/15$^{circ}C$(Æò±Õ 17.5$^{circ}C$)ÀÏ °æ¿ì Á¦ÀÏ ¿ì¼öÇß°í, ÀÙÀº ¿Âµµ°¡ ³ôÀ»¼ö·Ï ÁøÅ¸ÀÍÇüÀ¸·Î µµÀåÇÏ¿´°í, ¿Ü°üǰÁúÀÌ ÇöÀúÈ÷ ¶³¾îÁ³´Ù. ÇÏÆÄÀç¹è½Ã 60% Â÷±¤ÀÎ °æ¿ì »ýÀ°ÀÌ 10% °¨¼ÒÇÏ¿´°í 80% Â÷±¤¿¡¼­´Â 25% Á¤µµ ¼ö·®ÀÌ °¨¼ÒÇÏ¿´À¸¸ç Â÷±¤Á¤µµ°¡ Ä¿Áú¼ö·Ï ¿±·Ï¼Ò ÇÔ·®Àº °¨¼ÒÇϰí ÃÊÀå, ±ÙÀåÀº ±æ¾îÁö´Â °æÇâÀ» ³ªÅ¸³»¾ú´Ù.
This experiment was conducted to develop a practical method to growth in hydroponics conditions. For this purpose, leaf lettuce (Lactuca sativa L., cv. 'Cheongchima') was cultivated under different temperature and light conditions in experimental fields of Sahmyook university from March, 1991 to May, 1996. The visual quality score(VQS), a quantitative parameter to evaluate harvested leaf lettuce quality. The leaf lettuce cultivated at $25^{circ}C$ solution temperature showed the highest fresh weight pe, plant (59.7g/plant), but lowest visual quality score (5.2), while leaf lettuce cultivated at 15$^{circ}C$ solution temperature showed lower fresh weight per plant (25.2g/plant) but highest visual quality score (7.2). In general, growth of leaf lettuce was retarded by low solution temperature, but quality was higher than those of other solution temperature. Different day/night temperature of nutrient solutions 20/2$0^{circ}C$ and 25/2$0^{circ}C$ was highest in yield, but leaf type was grow longer, and visual quality are inferior to low temperature. Yield was decreased as 10 and 25% at 60 and 80% shading treatment, respectively. Chlorophyll content was decreased by shading. but plant height and root length were increased of leaf lettuce growth with hydroponics.
 
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ÀÙ»óÃß;¿Âµµ;±¤µµ;¼ö°æÀç¹è;leaf lettuce (Lactuca sativa L.);temperature;light intensity;Hydroponics;
 
»ý¹°È¯°æÁ¶ÀýÇÐȸÁö / v.6, no.4, 1997³â, pp.270-276
Çѱ¹»ý¹°È¯°æÁ¶ÀýÇÐȸ
ISSN : 1229-4675
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199711922405639)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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