Effect of Plant Growth Regulators on Multiple Shoot Formation and Elongation from Shoot Tip Cultures of Grape Species

포도의 경정배양에 의한 다아체형성 및 신장에 미치는 생장조절제의 영향

  • Published : 2001.01.01

Abstract

Shoot tips of grape were cultured in uitro and tried to identify optimal culture conditions for regeneration, multiple shoot formation from meristemoid tissue and those subsequent elongation of multi-shoots. Healthy growing shoots were taken in early May, rinsed with running tap water, soaked in a neutral detergent and washed with soft brushing, and washed out with tap water, then sterilized with 10g Ca(ClO)$_2$/140 mL distilled water (Wilson's solution) for 5 min. Survival percentage of the cultures which were sterilized as above procedures was highly increased, compared with the other sterilized method. Propagation of multi-shoots from meristemoid showed a good response in 3/4 strength MS medium enriched with 0.1 mg/L NAA and 3.0 mg/L BA. Shoot elongation from multi-shooting clump well occurred in 3/4 strength MS medium supplemented with 80 mg/L adenine sulfate, 0.1 mg/L NAA and 1.0~2.0 mg/L BA.

우리나라 주요 과수류중 하나인 포도의 경정배양을 통하여 증식재료로 이용할 수 있는 다아체의 형성 및 이들의 신장에 미치는 생장조절물질의 영향에 관해 검토하였다. 경정배양 시 재료의 살균은 5월 초순에 생육이 왕성한 신초를 채취하여 NaOCl 1%용액에 10분간 살균한 것에 비해 Wilson액에 5분간 침지 살균했을 때 생존율이 높았다. 다아체의 증식은 3/4 MS 기본배지에 NAA 0.1 mg/L와 BA 3.0mg/L에서 양호하였다. 다아체로부터 신초의 신장은 3/4 MS배지에 AdSO$_4$80 mg/L, NAA 0.1 mg/L와 BA를 1.0~2.0 mg/L 혼합한 배지에서 양호하였으며 품종간 생장조절물질의 적정농도 차이는 거의 없었다.

Keywords

References

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