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Çѱ¹»ý¹°È¯°æÁ¶ÀýÇÐȸ / v.5, no.1, 1996³â, pp.65-70
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¾ç¾×³óµµ¿Í Cu ½ºÆ®·¹½º°¡ ¾ç¾×Àç¹è ¸Ó½ºÅ©¸á·ÐÀÇ ¼öºÐÆ÷ÅÙ¼È, ħÅõÆ÷ÅÙ¼È ¹× ÆØ¾Ð¿¡ ¹ÌÄ¡´Â ¿µÇâ
( Effects of Concentrations of Nutrient Solution and Cu Stress on the Water Potential, Solute Potential and Turgor Pressure in Hydroponically Grown Muskmelon ) |
| ÀåÈ«±â;Á¤¼øÁÖ; ¾Ö¿ø´ëÇÐ ³óÇкÎ;Àü³²´ëÇб³ ³ó°ú´ëÇÐ ¿ø¿¹Çаú;
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| 1. ¹è¾ç¾×ÀÇ EC(mS/cm)¿Í ¹è¾ç¾×ÀÇ ¼öºÐÆ÷ÅÙ¼ÈÀº Á÷¼±ÀûÀÎ °ü°è°¡ ÀÖ°í, ECÀÇ Áõ°¡´Â ¹è¾ç¾×ÀÇ ¼öºÐÆ÷ÅÙ¼È ÀúÇÏ·Î ³ªÅ¸³µÀ¸¸ç ÀÌ¿¡ µû¶ó »óÀ§¿±ÀÇ ¼öºÐÆ÷ÅÙ¼ÈÀ̳ª ħÅõÆ÷ÅÙ¼ÈÀÌ º¯ÈÇÏ´Â °æÇâÀ» º¸¿´´Ù. 2. ¹°¸®ÈÇÐ, ¿¿ªÇÐÀûÀÎ ÁöÇ¥°¡ µÇ´Â ¼öºÐÆ÷ÅÙ¼È($phi$w)Àº ¹è¾ç¾× »Ó¸¸ ¾Æ´Ï¶ó ½Ä¹°ÀÇ ±Ù, °æ, ¿± ¹× °ú½Ç¿¡¼ÀÇ ¼öºÐ »óŸ¦ µ¿ÀÏ ´ÜÀ§·Î ³ªÅ¸³»´Â °ÍÀ¸·Î ½Ä¹°ÀÇ »ýÀåÀ» Á¦¾îÇÒ ¶§ À¯ÀÏÇÑ ÁöÇ¥ÀÎ °ÍÀ¸·Î ³ªÅ¸³µ´Ù. 3. ¹è¾ç¾×ÀÇ ¼öºÐÆ÷ÅÙ¼È ÀúÇÏ¿¡ µû¶ó »óÀ§¿±ÀÇ ¼öºÐÆ÷ÅÙ¼ÈÀ̳ª ħÅõÆ÷ÅÙ¼ÈÀÌ ÀúÇÏÇÏ´Â °æÇâÀ» º¸¿´´Ù. 4. ¹èÁö³» Cu ³óµµ°¡ 5$mu extrm{m}$ÀÌ»óÀ¸·Î µÇ¸é »ýÀ°, Áö»óºÎÀÇ »ýüÁß, ÁöÇϺÎÀÇ °Ç¹°Áß, ¿±·Ï¼Ò ÇÔÀ¯À²ÀÌ µ¿½Ã¿¡ ±Þ°ÝÈ÷ ÀúÇÏÇÏ´Â °æÇâÀ» º¸¿´´Ù. 5. ¹èÁö³» Cu ³óµµÀÇ Áõ°¡¿¡ µû¶ó¼ »ýÀåÀ²ÀÇ ÀúÇϰ¡ ³ªÅ¸³µÀ¸¸ç »ýÀåÀ²ÀÇ ÀúÇÏ¿¡ µû¶ó »óÀ§¿±ÀÇ ¼öºÐÆ÷ÅÙ¼ÈÀÌ ÀúÇÏÇÏ´Â °æÇâÀ» º¸¿´´Ù. ÆØ¾ÐÀº 󸮿¡ °ü°è¾øÀÌ °ÅÀÇ ÀÏÁ¤ÇÏ°Ô ³ªÅ¸³ª ÆØ¾Ð°ú ¹èÁö³» ¹è¾ç¾×ÀÇ Cu ³óµµ ½ºÆ®·¹½º°£¿¡´Â Á÷Á¢ÀûÀ¸·Î °ü°è°¡ ¾ø´Â °ÍÀ¸·Î ³ªÅ¸³µ´Ù. ¼öºÐÆ÷ÅÙ¼È($psi$w)Àº ½Ä¹°½ÅÀå, ¼¼Æ÷½ÅÀåÀ» ¼öÀûÀ¸·Î Ç¥ÇöÇÏ´Â °ÍÀÌ °¡´ÉÇÏ´Ù. ¼ö¿øÀÌ µÇ´Â ¿ë¾×À̳ª ¹èÁö, ½Ä¹°Ã¼¸¦ µ¿ÀÏ ´ÜÀ§(§ç)·Î °üÂûÇÏ´Â °ÍÀÌ °¡´ÉÇØ ½Ä¹°Ã¼ÀÇ ¼öºÐ»ý¸®Àû ºñ±³ °Ë»ç¸¦ À§ÇÑ À¯È¿ÇÑ ¹æ¹ýÀ¸·Î »ý°¢µÇ¾ú´Ù. |
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| Water potential which is an physical chemistry and thermodynamic indicator expressed water status of plant root, stem and fruit could be use as a useful indicator for growth control of hydroponically grown muskmelon plant. Linear relationship was observed between EC and water potential of nutrient solution, consequently increment of EC related to the decreasing water potential and resulted with the alteration of water potential and solute potential of upper leaves. Rapid reduction in growth was observed in over 5${mu}{ extrm}{m}$ of Cu concentration in the media and same tendency was recorded in the shoot fresh weight, root dry weight and chlorophyll content. Increment of Cu concentration in the nutrient solution leads to lower the growth rate and then the water potential of upper leaves. Turgor pressure was not affected the growth of hydroponically grown muskmelon and also Cu concentration of nutrient solution was not recognized the direct relationship to the growth characteristics of muskmelon. These results demonstrated that water potential of nutrient solution can be use as an useful indicator for water physiological comparison of plant growth in hydroponically grown muskmelon. |
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| Ű¿öµå |
| ¾ç¾×Àç¹è;Cu ½ºÆ®·¹½º;¼öºÐÆ÷ÅÙ¼È;ħÅõÆ÷ÅÙ¼È;¸Ó½ºÅ©¸á·Ð;hydroponics;Cu stress;water potential;solute potential;musk-melon; |
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»ý¹°È¯°æÁ¶ÀýÇÐȸÁö / v.5, no.1, 1996³â, pp.65-70
Çѱ¹»ý¹°È¯°æÁ¶ÀýÇÐȸ
ISSN : 1229-4675
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199611922404897)
¾ð¾î : Çѱ¹¾î |
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| ³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø |
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