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Çѱ¹½Ä¹°ÇÐȸ / v.34, no.2, 1991³â, pp.151-158
µÎ ´Ù³â»ý ½Ä¹°¿¡ À־ ¼öºÐ¿¡ µû¸¥ ¹«±â¹°ÀÇ À̵µ ¾ç»ó
( Mineral Movement in Relation to Pollination in Two Perennial Plants )
°­Çý¼ø; ¼­¿ï´ëÇб³ »ý¹°±³À°Çаú;
 
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Æ©¿ï¸³°ú ¼ö¼±È­¿¡ À־ÀÇ ²ÉÀÙ, Áö¹æ°ú ÀÙÀÌ ¹«±â¹° Èí¼ö¿¡ ´ëÇÑ ¼öºÐ(pollination) È¿°ú¸¦ »õ·Î¿î ±â±¸ÀÎ gamma spectrometry¸¦ ÀÌ¿ëÇÏ¿© Á¶»çÇÏ¿´´Ù. µÎ Á¾À» gamma ¼±À» ¹æÃâÇÏ´Â radionuclidesÀÎ selenium-75, cesium-137, manganese-54¿Í zinc-65¸¦ ÇÔÀ¯ÇÏ´Â ¿ë¾×¿¡¼­ Àç¹èÇÏ¿© °¢ ±â°üÀÇ Ç¥ÁöµÈ ¹«±â¹° Èí¼ö ¾ç»óÀ» 24ÀÏ µ¿¾È ÃøÁ¤ÇÏ¿´´Ù. ¼öºÐ ÈÄ Æ©¿ï¸³¿¡¼­´Â Ç¥ÁöµÈ ¹«Áö¹°ÀÇ ±Þ¼ÓÇÑ °¨¼Ò(²ÉÀÙ)¿Í Áõ°¡(Áö¹æ)°¡ °üÂûµÇ¾úÀ¸³ª, ¼ö¼±È­¿¡¼­´Â ÀÌ·¯ÇÑ source-sink °ü°è°¡ ¼º¸³µÇÁö ¾Ê¾Ò´Ù. ±×·¯³ª µÎ Á¾¿¡¼­ ²ÉÀÙ°ú Áö¹æÀÇ Ç¥ÁöµÈ ¹«±âÁú ³óµµ´Â °¢±â ³«È­¿Í ³«°úÁ÷Àü ±Þ¼ÓÈ÷ °¨¼ÒÇÏ¿´´Ù. ÇÑÆí Ç¥ÁöµÈ ¹«±â¹°ÀÇ ´ëºÎºÐÀº »Ñ¸®¿Í ±¸±Ù¿¡ ÇÔÀ¯µÇ¾î ÀÖ¾ú´Ù. º» ¿¬±¸´Â ƯÁ¤ ½Ä¹°ºÎºÐÀÇ ¹«±â¹° Èí¼ö ¾ç»óÀÌ ½Ä¹°Ã¼ÀÇ ¼Õ»ó¾øÀÌ Àå±â°£ ÃøÁ¤µÉ ¼ö ÀÖ´Ù´Â °¡´É¼ºÀ» Á¦½ÃÇϰí ÀÖ´Ù.
A new technique involving gamma-spectrometry was used to determine the effects of pollination on mineral uptake in petals, ovaries and leaves of tulips and daffodils. A gamma-emitting radionu'::lide solution containing selenium-75, cesium-137, manganese-54, and zinc-65 was applied to the roots of tulips and daffodils growing in water. Mineral uptake was monitored in plant parts over a 24 day period. Pollinated tulip flowers showed a rapid withdrawal of minerals from the petals and an increase in ovary mineral content, while such a source-sink relationship was not established in daffodils. In both species, the concentration of most minerals in petals and ovaries declined prior to abortion of the plant part. The roots and bulbs of the plants contained the vast majority of the labeled minerals. This study demonstrated a possibility that certain plant parts could be isolated and monitored for mineral uptake over time without destruction.uction.
 
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Journal of Plant Biology / v.34, no.2, 1991³â, pp.151-158
Çѱ¹½Ä¹°ÇÐȸ
ISSN : 1226-9239
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199111920115625)
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