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셍온(Paraserianthes falcataria (L.) Nielsen)의 기내 부정줄기 유도 및 식물체 재분화

In vitro introduction adventitious shoots and plant regeneration of sengon (Paraserianthes falcataria (L.) Nielsen)

  • 김지아 (국립산림과학원 산림생명공학과) ;
  • 문흥규 (국립산림과학원 산림생명공학과) ;
  • 김용욱 (국립산림과학원 산림생명공학과) ;
  • 배은경 (국립산림과학원 임목육종과)
  • Kim, Ji Ah (Division of Forest Biotechnology, Korea Forest Research Institute) ;
  • Moon, Heung Kyu (Division of Forest Biotechnology, Korea Forest Research Institute) ;
  • Kim, Yong Wook (Division of Forest Biotechnology, Korea Forest Research Institute) ;
  • Bae, Eun Kyung (Division of Tree Improvement, Korea Forest Research Institute)
  • 투고 : 2015.09.02
  • 심사 : 2015.09.23
  • 발행 : 2015.09.30

초록

최대의 부정아유도수는 MS배지에 0.2 mg/L BA가 첨가된 배지에서 유도되었다. 엽병근처 자엽 절편과 자엽 끝 절편을 MS배지에 0.2 mg/L BA가 첨가된 배지에 배양하였다. 부정아 유도 빈도는 절편형태에 따라 차이를 보였다. 엽병근처 자엽 절편은 자엽 끝 절편 보다 부정아 유도율이 높았다. 호르몬 무처리 1/2MS배지에서 줄기의 신장과 뿌리가 유도되었다. 이 결과는 클론번식을 가능하게 할 효과적인 방법을 제공한다.

Adventitious buds were obtained from isolated cotyledons cultured on MS medium with various concentrations of 6-benzylamino purine (BA) and thidiazuron (TDZ). The highest numbers of adventitious buds were obtained on MS medium supplemented with 0.2 mg/L BA. Experimental culturing with half the petiole portion and half with the terminal segments were grown on MS medium contained with 0.2 mg/L BA. Frequency of the adventitious bud induction was variable accordingly to the type of cultured explants. Explants with the half petiole showed the highest adventitious bud induction rate (80%) compared to explants of half with terminal segment (20%). An elongated shoot from the buds and growth of advent roots were both possible on the 1/2 MS medium without a plant growth regulator. These results offer an effective way in which clonal propagation can be accomplished.

키워드

참고문헌

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