더덕 속 식물의 부정근 유도와 증식

김지아; 박응준; 최용의

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We have established adventitious root culture systems of Codonopsis lanceolata, Codonopsis pilosula and Codonopsis ussuriensis. Root segments of C. lanceolata were the best explants for induction of adventitious roots and the number of adventitious root for explant was highest on solid medium with 0.5 ㎎/ℓ NAA and produced 18.8 ± 1.9 roots per explant. Root segments of C. pilosula were the best explants for induction of adventitious roots and the number of adventitious root for explant was highest on solid medium with 1.0 ㎎/ℓ NAA and produced 8.5 ± 1.8 roots per explant. Leaf segments of C. ussuriensis were the best explants for induction of adventitious roots and the number of adventitious root for explant was highest on solid medium with 0.5 ㎎/ℓ NAA and produced 7.8 ± 0.4 roots per explant. In liquid culture, the best production of adventitious root (fresh weight) was obtained in 1/2 MS medium with 1.0 ㎎/ℓ NAA. This study demonstrated for the first time to produce adventitious roots in C. pilosula and C. ussuriensis.

#Adventitious Root #Codonopsis Lanceolata #Codonopsis pilosula #Codonopsis ussuriensis