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Çѱ¹È¯°æ»ý¹°ÇÐȸ / v.18, no.1, 2000³â, pp.47-51
Àú¼±·® °¨¸¶¼± Á¶»ç¿¡ ÀÇÇÑ °íÃß ¿ªº´ ÀúÇ×¼º À¯±â
( Induction of Resistance against Phytophthora Blight of Pepper by Low Dose Gamma Ray Radiation )
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Phytophthora capsici¿¡ ÀÇÇÑ °íÃß ¿ªº´Àº ¼¼°èÀûÀ¸·Î ÇÇÇØ°¡ ½ÉÇÒ »Ó¸¸ ¾Æ´Ï¶ó ¹æÁ¦µµ ¸Å¿ì ¾î·Á¿î º´À¸·Î¼­ È¿°úÀûÀÎ º´ ¹æÁ¦¸¦ À§ÇØ »õ·Î¿î ½Ãµµ°¡ ÇÊ¿äÇÑ ½ÇÁ¤ÀÌ´Ù. º» ¿¬±¸´Â ÀÌ·¯ÇÑ ÃëÁö¿¡¼­ °¨¸¶¼±ÀÇ hormesisÈ¿°ú¸¦ ÀÌ¿ëÇϰíÀÚ ½ÃµµµÇ¾ú´Ù. Àú¼±·® °¨¸¶¼± Á¶»ç°¡ °íÃßÀÇ ¿ªº´ ÀúÇ×¼ºÀ» À¯µµÇÏ´ÂÁö ¿©ºÎ¸¦ ¹àÈ÷±â À§ÇØ ±¤º¹°ú ´Ùº¹ µÎ ǰÁ¾À» °ø½ÃÇÏ¿´´Ù. Àú¼±·® °¨¸¶¼±Àº µÎ ǰÁ¾ ¸ðµÎ Á¶»ç¼±·®¿¡ °ü°è¾øÀÌ ¹ß¾ÆÀ²À» Å©°Ô Á¦°í½ÃÄ×´Ù. º´ ÀúÇ×¼º Áõ´ë¿¡ °üÇÑ ºÐ¼®½Ã ǰÁ¾°£¿¡ Â÷À̰¡ ÀÖ¾î °¨¼ö¼º ǰÁ¾ÀÎ ´Ùº¹¿¡¼­ ¶Ñ·ÇÇÑ Áõ´ëÈ¿°ú°¡ È®ÀεǾúÀ¸¸ç, ±× È¿°ú´Â Á¶»ç¼±·®¿¡ µû¶ó Â÷À̰¡ ÀÖ¾ú´Ù. 1,4 GyÁ¶»ç±¸°¡ ¹«Á¶»ç±¸¿¡ ºñÇØ ¶Ñ·ÇÇÏ°Ô ÀúÇ×¼ºÀÌ Áõ°¡µÇ¾úÀ¸¸ç ƯÈ÷ 4 GyÁ¶»ç½Ã º´ ÀúÇ×¼ºÀÌ °¡Àå ³ô°Ô À¯µµµÇ¾ú´Ù. ÀÌ·¯ÇÑ Çö»óÀº ¸ðµç ½ÇÇè¿¡¼­ ÀϰüµÈ °æÇâÀ» ³ªÅ¸³»¾ú°í, Åë°è ºÐ¼®½Ã¿¡µµ À¯ÀÇÂ÷°¡ ÀÎÁ¤µÇ¾ú´Ù. ¹Ý¸é¿¡ ÀúÇ×¼º ǰÁ¾ÀÎ ±¤º¹¿¡¼­´Â ¹«Á¶»ç¿¡ ºñÇØ °¨¸¶¼± Á¶»ç¿¡ µû¸¥ ÀúÇ×¼ºÀÇ Áõ°¡¸¦ È®ÀÎÇÒ ¼ö ¾ø¾ú´Ù.
Phytophthora blight of pepper, which is caused by Phytophthora capsici Leonian, is not only the most destructive disease worldwide, but also difficult to control effectively. It has been needed to have new trials for effective control to the disease. We employed radiation hormesis of gamma ray as the new trial in the control strategy. Two cultivars, Kwangbok and Dabok, were used to analyse whether gamma ray radiation can induce disease resistance. The germination rate of pepper seeds was significantly enhanced by the radiation at all dose levels. Stimulatory effect for resistance induction was found to differ between cultivars. It was confirmed that the remarkable effect was induced in Dabok and depended on radiation dosage. Disease resistance at 4 Gy was much higher than that of control. On the other hand, no detectable induction effect for resistance was observed in Kwangbok which was moderate resistant cultivar to gamma ray radiation. [Hormesis, Gamma ray, Pepper, Phytophthora blight, Resistance induction].
 
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ȯ°æ»ý¹° / v.18, no.1, 2000³â, pp.47-51
Çѱ¹È¯°æ»ý¹°ÇÐȸ
ISSN : 1226-9999
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200011921491593)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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