Korean Journal of Weed Science (한국잡초학회지)

The Korean Society of Weed Science & The Turfgrass Society of Korea Archive (한국잡초학회 & 한국잔디학회)
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Analysis of the Weediness Potential in Vitamin A Enforced Rice

비타민 A 강화 벼의 잡초화 가능성 분석

  • Lee, Hyun-Suk (Division of Plant Biosciences, School of Plant Biosciences, Kyungpook National University) ;
  • Yi, Gi-Hwan (Department of Functional Crop, National Institute of Crop Science, RDA) ;
  • Park, Jong-Sug (Biosafety Division, Department of Agricultural Biotechnology, National Academy of Agricultural Science, RDA) ;
  • Seo, Suk-Cheol (Biosafety Division, Department of Agricultural Biotechnology, National Academy of Agricultural Science, RDA) ;
  • Sohn, Jae-Keun (Division of Plant Biosciences, School of Plant Biosciences, Kyungpook National University) ;
  • Kim, Kyung-Min (Division of Plant Biosciences, School of Plant Biosciences, Kyungpook National University)
  • 이현숙 (경북대학교 농업생명과학대학 응용생명과학부) ;
  • 이기환 (농촌진흥청 국립식량과학원 기능성작물부) ;
  • 박종석 (농촌진흥청 국립농업과학원 농업생명자원부) ;
  • 서석철 (농촌진흥청 국립농업과학원 농업생명자원부) ;
  • 손재근 (경북대학교 농업생명과학대학 응용생명과학부) ;
  • 김경민 (경북대학교 농업생명과학대학 응용생명과학부)
  • Received : 2011.05.30
  • Accepted : 2011.06.15
  • Published : 2011.06.30
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Abstract

The purposes of this study were to analyze the weediness potential associated with 'Vitamin A enforced rice' and to evaluate the relationships between growth characteristics and environmental adaption related to survival ability in the natural environment. 'Vitamin A enforced rice', 'Nagdong', donor variety of 'Vitamin A enforced rice' and three other varieties were used for this study. The 'Vitamin A enforced rice' was experimented according to ratio of ripened grain, shattering of grain, germination traits, germination ratio of low temperature, emergence ratio after wintering, ratio of viviparity, and growth ratio after ratooning ability. 'Vitamin A enforced rice' was not significant between 'Nagdong' and other varieties in seven characters. Germination ratio was similar of Vitamin A enforced rice' and 'Nagdong', but average germination ability of was different at low temperature. Also, shattering of grain and germination ratio of alternating temperature were significant between 'Nagdong' and other varieties. These results suggested that the relationships between growth characteristics and environmental adaption in 'Vitamin A enforced rice' could be applied to the stability of weediness potential and biosafety guide in GM rice.

본 연구에서는 형질전환 계통인 '비타민 A 강화벼'와 모본인 '낙동' 외 3품종을 이용하여 '비타민 A 강화 벼'의 환경에서 생육특성과 잡초화 가능성의 연관관계를 분석하였다. 자연상태의 잡초화 가능성에서 생육특성의 환경안정성의 특성 중 등숙율, 탈립성, 발아율과 생육상태의 불량환경 적응성의 특성 중 저온 발아율, 월동 후 출아율, 수발아, 라투닝 후의 식물재생율 상관관계를 검정하였다. '비타민 A 강화 벼'와 모본인 '낙동'에서 저온발아율, 월동처리후의 생존율, 수발아, 라투닝 후의 재생율, 임성율에서는 유의하지 않았다. '비타민 A 강화 벼'의 발아율은 모본인 '낙동'과 비슷한 수준이었으나, 평균 발아세는 저온발아율에서 차이가 났으며, 탈립성, 변온에서 발아율은 모본인 낙동과 4품종외 유의한 상관관계를 보였다. 형질전환 작물인 '비타민 A 강화 벼'와 모본인 '낙동' 외 3품종의 불량환경에 대한 저항성과 잡초화 가능성의 연관관계는 형질전환 작물이 상업화되기 전에 기반될 과학적인 기초자료로 적용될 수 있다.

Keywords

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