Optimization of tissue culture conditions for Pfaffia paniculata / 中草药

ABSTRACT

Objective: To establish and optimize the technique of tissue culture and rapid propagation of Pfaffia paniculata. Methods: Using MS and 1/2MS basic media, the effects of various combinations of plant growth regulators (6-BA, NAA, IBA, and IAA) on the seedlings subculture and rooting culture were studied by orthogonal design. Results: The effective medium for cluster buds-inducing and subculture was MS + 6-BA 1.5 mg/L + NAA 0.1 mg/L + IBA 0.2 mg/L, and the propagation coefficient was over 6.0 per 30 d; The best rooting medium was 1/2 MS + NAA 1.0 mg/L + IBA 0.2 mg/L, and the rooting rate was 100%. The rooting seedlings were transplanted in well-drained sand bed and the survival rate was 98%. Conclusion: The method in the experiment could provide a basis on protecting the mild resources of P. paniculata exploring the artificial resources, and discussing the new way breedings.