Korean Journal of Plant Tissue Culture (식물조직배양학회지)

The Korean Society of Plant Biotechnology (한국식물생명공학회)
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Micropropagation of Diospyros kaki Thunb. by Shoot Tip Culture

경정배양에 의한 감나무 (Diospyros kaki Thunb.)의 기내번식

  • Published : 2000.01.01
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Abstract

To investigate the effect of media and growth regulators in micropropagation of persimmon (Diospyros kaki Thunb.), dormant axillary buds taken from trees of persimmon cultivars such as Ichikikeijiro, Tonawase and Hiratenenashi were used. Shoot tips were successfully cultured in full or half of nitrogen strength of MS medium. The most effective cytokinins for shoot proliferation and elongation of persimmon cv. Ichikikeijiro were 5 mg/L and 2 mg/L zeatin, respectively. Shoots were successfully rooted in 1/2N-MS medium with 1 mg/L IBA.

감나무 (Diospyros kaki Thunb.)의 기내번식에 효과적인 배지 및 생장조정제를 구명하고자 일목계차랑 (Ichikikeijiro), 도근조생 (Tonawase), 평핵무 (Hiratenenasi) 3품종을 공시재료로 하여 시험한 결과, 신초의 생존에 가장 효과적인 배지는 MS 배지였으며 MS 배지내 질소원의 함량을 1/2∼1배로 조정한 경우가 신초의 증식 및 신장에 효과적이었다. 1/2N-MS배지에 2 mg/L zeatin 처리시 0.9 cm로 가장 많은 신초 신장을 보였고, 5 mg/L 처리시 증식된 신초수가 6.2개로 가장 많았다. 증식된 신초의 발근은 동일 배지에 1 mg/L IBA 처리시 가장 효과적이었다.

Keywords

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