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Çѱ¹ÀÚ¿ø½Ä¹°ÇÐȸ / v.17, no.3, 2004³â, pp.304-313
¿Á¼ö¼ö À¯¸ÁÀڽİèÅëµéÀÇ ÀâÁ¾Áý´Ü¿¡¼­ ÁÖ¿ä ³ó¾÷ÇüÁúµéÀÇ À¯ÀüºÐ¼®
( Genetic Studies of Major Agronomic Traits in Hybrid Populations of Maize Inbred Lines. )
±è³²¼ö;ÀÌÁÖ°æ;¹ÚÁ¾¿­;¹Ú±âÁø;·ù½Ãȯ;½ÅÁöÇö;À̸í¼÷;¹ÎȲ±â; °­¿ø´ëÇб³ ³ó¾÷»ý¸í°úÇдëÇÐ »ý¸í°øÇкÎ;°­¿ø´ëÇб³ ³ó¾÷»ý¸í°úÇдëÇÐ »ý¸í°øÇкÎ;°­¿ø´ëÇб³ »ê¶÷°úÇдëÇÐ »ê¸²ÀÚ¿øÇкÎ;°­¿ø´ëÇб³ »ê¶÷°úÇдëÇÐ »ê¸²ÀÚ¿øÇкÎ;°­¿ø´ëÇб³ »ê¶÷°úÇдëÇÐ »ê¸²ÀÚ¿øÇкÎ;°­¿ø´ëÇб³ ³ó¾÷»ý¸í°úÇдëÇÐ »ý¸í°øÇкÎ;°­¿ø´ëÇб³ ³ó¾÷»ý¸í°úÇдëÇÐ »ý¸í°øÇкÎ;°­¿ø´ëÇб³ »ê¶÷°úÇдëÇÐ »ê¸²ÀÚ¿øÇкÎ;
 
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º» ¿¬±¸´Â ±³ÀâÁ¾ ¿Á¼ö¼öÀÇ Ç°Á¾°³¹ß ¹× ¿Á¼ö¼öÀÇ »ý»ê´É·Â ¹æ¹ýÀ» °³¼±Çϱâ À§ÇÑ ±âÃÊ¿¬±¸·Î ¹Ì±¹¿¡¼­ µµÀÔµÈ À¯¸ÁÀڽİèÅëµéÀ» ÀÌ¿ëÇÑ 5°³ÀÇ ±³¹èÁ¶ÇÕµé ±×¸®°í À̵éÀÇ F$_1$ ¹× F$_2$ ¼¼´ë¿¡¼­ 6°³ÀÇ ³ó¾÷Çü Áúµé¿¡ ´ëÇÑ À¯Àü¾ç»óÀ» ±¸¸íÇÏ¿´´Ù. °ø½ÃµÈ 5°³ÀÇ ±³¹èÁ¶ÇÕµé°ú Á¶»çµÈ 6°³ÀÇ ³ó¾÷ÇüÁúµé¿¡¼­ÀÇ ÀâÁ¾°­¼¼È¿°ú´Â ±³¹èÁ¶ÇÕ ¹× ³ó¾÷ÇüÁúµé¿¡ µû¶ó ´Ù¼Ò Â÷ÀÌ´Â ÀÖ¾úÁö¸¸ ±³¹èÁ¶ÇÕµé Áß¿¡¼­´Â Mo17/B14A, Va85/B73Á¶ÇÕµéÀÌ Á¶»çµÈ ´ëºÎºÐÀÇ ÇüÁúµé¿¡¼­ °¡Àå ¶Ñ·ÇÇÑ ÀâÁ¾°­¼¼ È¿°ú¸¦ ³ªÅ¸³»¾úÀ¸¸ç , ±×¸®°í Á¶»çµÈ 6°³ÀÇ ³ó¾÷ÇüÁúµé Áß¿¡¼­´Â Á¾ÀÚ»ý»ê·®ÀÌ ±³¹èÁ¶ÇÕµé »çÀÌ¿¡¼­ °¡Àå Å« ÀâÁ¾°­¼¼ È¿°ú¸¦ ³ªÅ¸³»¾ú´Ù. Á¶»çµÈ 6°³ÀÇ ³ó¾÷ÇüÁúµé Áß¿¡¼­ Á¾ÀÚ»ý»ê·®Àº 5°³ÀÇ ±³¹è Á¶ÇÕµé Áß¿¡¼­ C103/ND203°ú FR35/Oh43 Á¶ÇÕÀ» Á¦¿ÜÇÑ ³ª¸ÓÁö Á¶Çյ鿡¼­ Àڽľ༼ Çö»óÀÌ ´Ù¸¥ ÇüÁúµéº¸´Ù °¡Àå Å©°Ô ³ªÅ¸³µ°í, ±×¸®°í ÀÌµé ¼ö·®°ü·Ã ÇüÁúµéÀº ÀϺΠ±³¹èÁ¶Çյ鿡¼­ÀÇ ¿¹¿ÜÀû °æ¿ì¸¦ Á¦¿ÜÇÏ¸é ¸ðµÎ Á¤ÀÇ ¹æÇâÀ¸·Î ÀÚ½Ä ¾à¼¼ Çö»óÀÌ ³ªÅ¸³ª´Â °ÍÀ¸·Î °üÂûµÇ¾ú´Ù. °ø½ÃµÈ 5°³ÀÇ ±³¹èÁ¶ÇÕµé Áß¿¡¼­ Mo17/B14A, C103/ND203 Á¶ÇÕµéÀº Á¶»çµÈ 6°³ÀÇ ³ó¾÷ÇüÁúµé ¸ðµÎ¿¡¼­ 50%ÀÌ»óÀÇ ºñ±³Àû ³ôÀº À¯Àü¼ºÀ» ³ªÅ¸³»¾ú°í, ¹Ý¸é¿¡ Va85/B73 Á¶ÇÕÀº 100¸³ ÁßÀ» Á¦¿ÜÇÑ ¸ðµç ÇüÁúµé¿¡¼­, ±×¸®°í FR35/Oh43 Á¶ÇÕÀº °£Àå°ú Âø¼ö°í¸¦ Á¦¿ÜÇÑ ¸ðµç ÇüÁúµé¿¡¼­ 50% ÀÌÇÏÀÇ ³·Àº À¯Àü·ÂÀ» ³ªÅ¸³»¾ú´Ù. ±×¸®°í Á¶»çµÈ 6°³ÀÇ ³ó¾÷ÇüÁúµé Áß¿¡¼­ ÀÌ»è±æÀ̸¦ Á¦¿ÜÇÑ ¸ðµç ÇüÁúµéÀº 5°³ÀÇ ±³¹èÁ¶ÇÕµé ¸ðµÎ¿¡¼­ Æò±Õ À¯Àü·ÂÀÌ 50% ÀÌ»óÀ» ³ªÅ¸³»¾úÀ¸¹Ç·Î ÀÌ·¯ÇÑ ÇüÁúµéÀº ¿Á¼ö¼öÀÇ ±³ÀâÀ°Á¾À» À§ÇÑ Áß¿äÇÑ ¼±¹ßÇüÁúµéÀÓÀ» ³ªÅ¸³»¾ú´Ù ÀÌ»óÀÇ °á°ú¿¡ ÀÇÇϸé, º» ¿¬±¸¿¡ ÀÌ¿ëµÈ 5°³ÀÇ ±³¹è Á¶ÇÕµé Áß¿¡¼­ ´ëºñ Á¶ÇÕÀ¸·Î ¾²ÀÎ Mo17/B14A(¼ö¿ø19È£)Á¶ÇÕÀº Á¶»çµÈ ´ëºÎºÐÀÇ ÇüÁúµé¿¡¼­ ºñ±³Àû ³ôÀº »ýÀ° ¹× ¼ö·®Æ¯¼ºÀ» ³ªÅ¸³»¾úÀ¸¹Ç·Î ¿Á¼ö¼öÀÇ °èÅë¼±¹ß¿¡ ÀÇÇÑ Ç°Á¾À°¼º¿¡ À¯¿ëÇÑ Ç°Á¾ ¹× ÀÚ¿øÀÎ °ÍÀ¸·Î È®ÀεǾú´Ù.
This study was conducted to find out the scientific maize breeding protocol for developing high performing single cross hybrid using introduced U.S. elite inbred lines; the pattern of inheritance, heterosis and heritabilities of six agronomic traits were studied in the progenies derived from five crosses (Mo17/B14A, Va85/B73, C103/ND203, FR35/Oh43, Wf9/A632). Among the five cross combinations, the cross combination of Mo17/B14A showed the highest heterosis for the most agronomic traits. Among 6 agronomic traits, the grain yield showed the highest heterosis effect in most cross combinations. Most of the agronomic traits in this study showed more than 50% heritability for six cross combinations, with an exception of the ear length trait. In conclusion, since Mo17/B14A showed excellent performance for most of the agronomic traits, these inbred lines were desirable combination and regarded as superior germ plasm sources for F1 hybrid development. The results of current studies will be utilized for developing high performing single cross hybrid from maize inbred lines, and will be used for the further genetic analysis of agronomic traits and maize breeding programs.
 
Ű¿öµå
agronomic trait;cross combination;$F_1$ hybrid development;Maize;maize breeding program;
 
Çѱ¹ÀÚ¿ø½Ä¹°ÇÐȸÁö / v.17, no.3, 2004³â, pp.304-313
Çѱ¹ÀÚ¿ø½Ä¹°ÇÐȸ
ISSN : 1226-3591
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200411922971663)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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