액체배지 첨가에 의한 Spathiphyllum floribundum 신초의 기내생육 및 발근 촉진

Promotion of in vitro growth and rooting of micropropagated shoots in Spathiphyllum floribundum by the addition of liquid medium

  • 발행 : 2001.07.01

초록

Spathiphyllum을 기내에서 증식시킨 후, 액체배지를 첨가하여 신초의 생장 및 발근을 촉진시키고, 기외에서 순화율을 향상시켜 생산비를 감소시키기 위하여 일련의 실험을 실시하였다. 3∼4개의 신초를 가지고 있는 Spathiphyllum floribundum 'Cupid' 의 신초 cluster 절편체를 BA 2.0 mg/L가 첨가된 LS배지에서 8주간 증식시킨 후에 15 mL의 액체배지를 동일용기에 첨가하였다. 액체배지 첨가는 1/2 MS 다량요소+sucrose 50 g/L +활성탄 5.0∼10.0 g/L가 첨가된 배지 15 mL를 첨가하는 것이 식물체의 기내생장 및 발근에 양호하였으며, 온실에서 perlite와 vermiculite가 1 : 1로 혼합된 용토에 발근된 식물체를 재식하면 95% 이상 생존하였다.

This experiments were carrid out to examine the effects of liquid medium addition in same vessels on shoot elongation and rooting, and soil survival of plantlets after the shoot cluster sections of Spathiphyllum floribundum 'Cupid' were pre-cultured. The shoot clusters with 3 to 4 small shoots were proliferated on LS medium supplemented with 2.0 mg/L BA for 8 weeks, and then 15 mL of various kinds of liquid medium was added in the same vessels. The addition of 15 mL liquid medium containing l/2 MS macro elements, 50 g/L sucrose and 5.0∼10.0 g/L activated charcoal was significantly stimulated the elongation and rooting of proliferated shoots. The medium addition was resulted in the enhanced soil survival of plantlets.

키워드

참고문헌

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