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Çѱ¹»ý¹°È¯°æÁ¶ÀýÇÐȸ / v.16, no.3, 2007³â, pp.186-193
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( Effects of Deficit Irrigation on the Reduction of Green Shoulder Fruits in Fresh Tomato )
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°ü¼ö·® Á¶ÀýÀ» ÅëÇÑ ¼öºÐ ½ºÆ®·¹½º 󸮰¡ Å丶Åä °ú½ÇÀÇ Âø»öºÒ·®°ú½ÇÀÇ ¹ß»ý¿¡ ¹ÌÄ¡´Â ¿µÇâÀ» ºÐ¼®ÇÑ °á°ú, °üÇà ó¸®(-15 kPa)¿¡¼­´Â Âø»öºÒ·®°ú½ÇÀÇ ¹ß»ý·üÀÌ 26.4%¿´À¸³ª °ü¼ö·®À» ÁÙÀÎ -30 kpa 󸮱¸¿¡¼­ 12.5%·Î 50%ÀÌ»ó °¨¼ÒÇÏ¿´´Ù. °ú½ÇÀÇ Àüü Ä®¸® ÇÔ·®Àº Á¤»ó°ú½Ç°ú Âø»öºÒ·®°ú½Ç °£¿¡ Â÷À̰¡ ¾ø¾úÁö¸¸, Âø»öºÒ·®°ú½ÇÀÇ °æ¿ì Àû»öÀÎ »ó´ÜºÎÀ§¿¡ ºñÇØ ³ì»öÀÎ ÇϴܺÎÀ§ °úÀ°¿¡¼­ 25% ¸¹¾Ò´Ù. Àü¹ÝÀûÀ¸·Î Âø°ú ÈÄ ½Ã±â°¡ °æ°úÇÒ¼ö·Ï °¡¿ë¼º ´ç ÇÔ·®Àº Áõ°¡Çϰí ÀüºÐÇÔ·®Àº °¨¼ÒÇÏ´Â °æÇâÀ» º¸¿´´Ù. ±×·¯³ª Âø»öºÒ·®°ú ½ÇÀÇ ³ì»öÀÎ ÇϴܺÎÀ§ °úÀ°¿¡¼­´Â ¼öÈ®½Ã±â°¡ °æ°úÇÏ¿©µµ ÀüºÐ ÇÔ·®¿¡´Â Â÷À̰¡ ¾ø¾ú´Ù. Sucrose phosphate synthase Ȱ¼ºÀº Âø»öºÒ·®°ú½Ç¿¡ ºñÇØ¼­ Á¤»ó °ú½ÇÀÇ °úÀ°¿¡¼­ ³ôÀº °æÇâÀ» º¸¿´°í °úÀ°ÀÇ ºÎÀ§º° Ȱ¼º Â÷À̵µ Àû¾ú´Ù. InvertaseÀÇ È°¼ºÀº Á¤»ó°ú½Ç¿¡¼­´Â »ó´ÜºÎÀ§¿Í ÇϴܺÎÀ§ °úÀ° °£¿¡ Ȱ¼º Â÷À̰¡ ¾ø¾úÁö¸¸, Âø»öºÒ·®°ú½Ç¿¡¼­´Â Àû»öÀÎ »ó´ÜºÎÀ§¿¡¼­´Â ³ôÀº Ȱ¼ºÀ» º¸ÀÎ ¹Ý¸é ³ì»öÀÎ ÇϴܺÎÀ§¿¡¼­´Â ³·Àº Ȱ¼ºÀ» º¸¿´´Ù. ¶ÇÇÑ peroxidase¿Í alcohol dehydrogenaseÀÇ È°¼ºÀº Á¤»ó°ú½Ç¿¡¼­ ³ô¾ÒÀ¸¸ç, Âø»öºÒ·®°ú½Ç¿¡¼­´Â ³ì»öÀÎ ÇϴܺÎÀ§ °úÀ°°ú Àû»öÀÎ »ó´ÜºÎÀ§ °úÀ° °£¿¡ Å« Â÷À̸¦ º¸¿´´Ù. ÀÌ»óÀÇ °á°ú·Î º¸¾Æ Å丶ÅäÀÇ Âø»öºÒ·® °ú½ÇÀº °ú½Ç³»ÀÇ ¿©·¯ °¡Áö ´ë»çÀÛ¿ë ºÒ±ÕÇüÀ¸·Î ¹ß»ýµÇ´Âµ¥, Àû´çÇÑ ¼öºÐ ½ºÆ®·¹½º 󸮷Π¹ß»ýÀ» ¾ïÁ¦ÇÒ ¼ö ÀÖÀ» °ÍÀ¸·Î »ç·áµÇ¾ú´Ù.
Effects of deficit irrigation by different soil moisture-based water potential on the reduction of green shoulder fruits in fresh tomato were investigated. Deficit irrigation with -30 kPa treatment significantly reduced green shoulder fruit by 53.7% compared to the -15 kPa treatment. The total concentrations of potassium in levels of whole fruit was not different between normal red fruit (NRF) and green shoulder fruit (GSF). However, the concentrations of potassium in distal part of GSF lower than that of a basal part of GSF Total soluble sugar contents in NRF and GSF were increased during the maturation periods. Contents of starch in NRF and distal part of GSF were decreased during the maturation periods. However, contents of starch in basal part of GSF was not change during the maturation periods. Activity of sucrose phosphate synthase was higher in NRF than that of GSF. Activity of acid invertase in NRF and GSF decreased rapidly during the maturation periods. Activity of acid invertase was significantly different in distal and basal part of GSF. Total activities of peroxidase and alcohol dehydrogenase in NRF were higher than that of GSF.
 
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¼öºÐ ½ºÆ®·¹½º;Âø»öºÒ·®°ú½Ç;Å丶Åä;°¡¿ë¼º ´ç;ADH;deficit irrigation;green shoulder fruit;invertase;POD;tomato;total soluble solids;
 
»ý¹°È¯°æÁ¶ÀýÇÐȸÁö / v.16, no.3, 2007³â, pp.186-193
Çѱ¹»ý¹°È¯°æÁ¶ÀýÇÐȸ
ISSN : 1229-4675
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200735836626007)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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