FLOWER RESEARCH JOURNAL (화훼연구)

The Korean Society for Floricultural Science (한국화훼학회)
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Medium Composition Affecting In Vitro Masspropagation and Morphogenesis in Prothalli of Pteris cretica 'Wilsonii'

Pteris cretica 'Wilsonii'의 전엽체 기내 대량번식 및 형태형성에 미치는 배지 구성물질 및 배양 방법

  • Shin, So Lim (Dept. of Horticultural Science, Chungbuk National University Cheongju) ;
  • Hwang, Ju Kwang (Dept. of Horticultural Science, Chungbuk National University Cheongju) ;
  • Lee, Cheol Hee (Dept. of Horticultural Science, Chungbuk National University Cheongju)
  • 신소림 (충북대학교 응용생명환경학부 원예과학과) ;
  • 황주광 (충북대학교 응용생명환경학부 원예과학과) ;
  • 이철희 (충북대학교 응용생명환경학부 원예과학과)
  • Received : 2008.02.27
  • Accepted : 2009.05.21
  • Published : 2009.06.30

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Abstract

The most effective conditions of in vitro culture were studied for mass propagation of Pteris cretica 'Wilsonii'. Spores of the species germinated within 7 weeks. The greatest proliferation was obtained with Knop and Hyponex media, but growth was more effective in Hyponex medium. MS medium induced necrosis of prothalli in all strength of nitrogen and sucrose except in case of 0% sucrose. Hyponex medium supplemented with 1% sucrose and 0.6% agar promoted propagation and growth of prothalli. In Hyponex medium, optimal inoculation method was homogenization, but in MS medium dividing colonies of prothalli was more effective. Culturing on solid medium was more effective than liquid culture method. Liquid culture induced necrosis of prothalli. Shaking cultured prothalli showed good growth, but propagation was inhibited compared to those cultured on solid medium.

Pteris cretica 'Wilsonii'의 대량생산에 적합한 배양환경을 구명하기 위하여 연구를 수행하였다. 포자는 7주 안에 모두 발아하였다. Knop과 Hyponex배지에서 전엽체 증식이 왕성하였지만, 전엽체의 생육에는 Hyponex 배지가 더 유용하였다. MS배지에서는 전엽체가 괴사하였으며, 질소급원과 sucrose의 농도를 조절한 경우에도 sucrose 무첨가구를 제외한 모든 첨가구에서 전엽체가 괴사하였다. Sucrose 1%와 agar 0.6%를 첨가한 Hyponex배지가 전엽체의 증식과 생육에 가장 적합한 것으로 나타났다. 접종방법을 달리한 결과, Hyponex배지에서는 다져서 접종하는 전엽체의 증식 및 생육에 효과적이었지만, MS배지에서는 전엽체의 군집을 4등 분하여 접종한 처리구에서 전엽체의 증식 및 생육이 우수하였다. 고체배지에서 배양하는 것이 액체배지에서 배양하는 것보다 효과적이었다. 액체배양은 전엽체의 괴사를 유도하였다. 액체진탕배양한 전엽체는 생육은 우수하였으나 고체배양한 전엽체에 비하여 증식이 억제되었다.

Keywords

Acknowledgement

Supported by : 한국산업기술평가원

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