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Çѱ¹»ý¹°È¯°æÁ¶ÀýÇÐȸ / v.12, no.4, 2003³â, pp.259-265
UV-B¿Í »ýÀå¾ïÁ¦ 󸮰¡ °úä·ù Ç÷¯±×¹¦ÀÇ »ý¸® º¯È­ ¹× Ç×»êÈ­ È¿¼ÒÀÇ È°¼º¿¡ ¹ÌÄ¡´Â ¿µÇâ
( Effects of UV-B and Growth Inhibitor on Physiological Changes and Antioxidat Enzyme Activities in Fruit Vegetable Plug Seedlings )
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¿ÀÀÌ, Å丶Åä °íÃß ÀÛ¹°ÀÇ °í¿Â±â Ç÷¯±× À°¹¦½Ã ¹¦ÀÇ µµÀå ¹æÁö¿Í °ú¹ø¹« ¾ïÁ¦¸¦ À§ÇÑ UV-B¿Í »ýÀå ¾ïÁ¦Á¦ÀÇ Ã³¸®°¡ Ç÷¯±×¹¦ ½Ä¹°Ã¼ÀÇ »ý¸®Àû Ư¼º º¯È­¿Í Ç×»êÈ­ È¿¼ÒÀÇ È°¼º¿¡ ¹ÌÄ¡´Â ¿µÇâÀ» Á¶»çÇÏ¿´´Ù. ±¤ÇÕ¼º´É·ÂÀº UV-B 󸮹¦ÀÇ °æ¿ì ¹«Ã³¸®¿¡ ºñÇØ ó¸® Á÷ÈÄ¿¡´Â Å©°Ô ¶³¾îÁ³À¸³ª 10ÀÏ ÈÄ¿¡´Â ºñ½ºÇÏ°Ô È¸º¹µÇ¾ú°í »ýÀå¾ïÁ¦Á¦ 󸮹¦´Â ¹«Ã³¸®¿¡ ºñÇØ Å丶Åä°¡ ´Ù¼Ò ¶³¾îÁ³¾î³ª ¿ÀÀÌ¿Í °íÃß´Â ºñ½ÁÇÏ¿´´Ù. ¿±·Ï¼ÒÇÔ·®Àº 3ÀÛ¹° ¸ðµÎ 󸮰£¿¡ À¯ÀÇÇÑ Â÷À̰¡ ¾ø¾ú´Ù. ¾ÈÅä½Ã¾Æ´Ñ ÇÔ·®Àº ¹«Ã³¸®¿¡ ºñÇØ UV-B ó¸®ÇÑ °ÍÀÌ ´Ù¼Ò ³ô¾Ò´ø ¹Ý¸é »ýÀå¾ïÁ¦Á¦ ó¸®ÇÑ °ÍÀº ¹«Ã³¸®¿Í ºñ½ÁÇÏ¿´´Ù. SOD, CAT, POD µîÀÇ Ç×»êÈ­È¿¼ÒÀÇ È°¼ºÀº 3ÀÛ¹° ¸ðµÎ UV-B ó¸®ÇÑ °ÍÀÌ °¡Àå ³ô¾ÒÀ¸¸ç, ó¸® Á÷ÈÄ¿¡´Â Å©°Ô Áõ°¡µÇ¾ú´Ù°¡ 10ÀÏ ÈÄ¿¡´Â ±× Àý¹Ý ÀÌÇÏ·Î °¨¼ÒÇÏ¿´´Ù. ÇÑÆí »ýÀå¾ïÁ¦Á¦ 󸮹¦´Â ¹«Ã³¸®¿¡ ºñÇØ¼­ Ç×»êÈ­ È¿¼ÒÀÇ È°¼ºÀÌ ´Ù¼Ò ³ô¾ÒÀ¸³ª UV-B 󸮹¦¿¡ ºñÇØ¼­´Â ³·¾Ò´Ù.
The physiological changes and antioxidant enzyme activities of plug seedlings irradiated with 4 kJ${cdot}m^{-2}{cdot}d^{-1}$ UV-B or sprayed growth inhibitors of 50 ${cdot}L^{-1}$ diniconazole and 500 mg${cdot}L^{-1}$ hexaconazole for retarding the overgrowth of cucumber, tomato and hot pepper seedlings in summer season were investigated. Photosynthetic rate just after UV-B irradiation was significantly low but recovered to the level of non-treated seedlings 10 days after IV-B irradiation. And photosynthetic rate of chemical-sprayed seedlings was slightly lower in tomatoes but not different in cucumbers and peppers, compared with non-treated seedlings. Cholrophyll contens in the leaves showed no difference among treatments. Anthocyanin contents in the leaves of UV-B-irradiated seedlings were higher and no difference inchmical-sprayed seedlings, compared with non-treated seedlings. the activites of SOD(superoside dismutase), CAT )catalase), and POD(perosidase) of UV-B-irradated seedlings were higher thatn those of the non-irradiated seedlings just after UV-B irradiation. However. 10 days after UV-B irradiation, the activities were decreased to half of the value just after UV-B irradiation Whereasd the activies of chemical-sprayed seedlings were slightly higher than those of non-treated ones but lower than those of UV-B-irradiated one.
 
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»ýÀå ¾ïÁ¦;±¤ÇÕ¼º;growtth retardation;photosynthesis;superoxide dismutase;diniconazole;
 
»ý¹°È¯°æÁ¶ÀýÇÐȸÁö / v.12, no.4, 2003³â, pp.259-265
Çѱ¹»ý¹°È¯°æÁ¶ÀýÇÐȸ
ISSN : 1229-4675
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200315875836937)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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