Korean Journal of Plant Tissue Culture (식물조직배양학회지)

The Korean Society of Plant Biotechnology (한국식물생명공학회)
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Effect of Culture Medium, Temperature, and Light Intensity on PLB Propagation of Phalaenopsis

팔레높시스의 PLB 증식에 미치는 배지와 배양온도 및 광도의 영향

  • Published : 2001.07.01
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Abstract

This study was conducted to investigate the effect of culture media and environment on PLB proliferation by using PLBs produced from leaf segments excised from shoot of Phalanopsis flower stalk. The fresh weight of PLBs propagated was higher in MS medium than in NDM (New Dogashima medium) or VW, but the condition of PLB was better in NDM medium. Natural additives of Coconut water, potato and apple were absolutely required for the PLB propagation. PLB propagation was better in solid medium than in liquid medium including cotton as support. Optimal sucrose concentration for proliferation was 10 g/L. PLB proliferation was very effective condition 14.3 $\mu$mol.s$^{-1}$ m$^{-2}$ in PPFD and $25^{\circ}C$.

팔레높시스 대량생산시 PLB 증식에 미치는 배지와 배양환경에 대해 조사하였다. PLB 증식량은 MS배지에서 높았지만, 증식된 PLB상태는 NDM배지가 더욱 양호하였다 천연첨가 물인 CW 10% 또는 사과와 감자의 사용은 PLB 증식효율을 향상시키는 데 필수적이었다. 배지내 지지물에 따른 PLB 증신률은 gelrite가 첨가된 고체배지가 흰색과 분홍색계통 모두 액체탈지면 배지보다 증식이 양호하였다. PLB 증식시 적정 sucrose 농도는 10g/L이며 농도가 높아질수록 PLB가 유식물체로 재분화되었고 저농도 일수록 증식과 유식물체의 재분화가 모두 억제되었다. PLB증식을 위한 적정 PPF와 온도는 각각 14.3 $\mu$mol.s$^{-1}$m$^{-2}$ , $25^{\circ}C$이었다.

Keywords

References

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