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Updated: Jun 29, 2026

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[Study on seed germination testing standardization of Codonopsis tangshen].

Nian-Xi Sun1, Rui Peng, Long-Yun Li

  • 1Chongqing Academy of Chinese Materia, Chongqing 400065, China. sunnx2008@163.com

Zhongguo Zhong Yao Za Zhi = Zhongguo Zhongyao Zazhi = China Journal of Chinese Materia Medica
|October 4, 2008
PubMed
Summary

Optimal germination of Codonopsis tangshen seeds occurs at 25°C with light, using paper substrates. Gibberellin treatment further enhances seed germination rates for this important medicinal herb.

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Area of Science:

  • Botany
  • Plant Physiology
  • Horticulture

Context:

  • Codonopsis tangshen is a vital medicinal plant.
  • Seed germination is a critical stage in its propagation.
  • Understanding optimal germination conditions is essential for cultivation.

Purpose:

  • To investigate the effects of temperature, light, and germinating bed types on Codonopsis tangshen seed germination.
  • To determine the ideal environmental parameters for maximizing germination success.

Summary:

  • The study found that Codonopsis tangshen seeds germinate best at 25°C under light conditions.
  • Optimal germinating bed substrates included 'top of paper' (TP) and 'between of paper' (BP).
  • Gibberellin application significantly improved the seed germination rate.

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Impact:

  • Provides crucial data for the efficient cultivation and propagation of Codonopsis tangshen.
  • Informs agricultural practices to enhance the yield of this valuable medicinal resource.
  • Contributes to the sustainable sourcing of Codonopsis tangshen for pharmaceutical use.