Callus induction and adventitious bud differentiation of Cyclocodon lancifolius (Roxb.) Kurz

  • Yin-Kai Xi Yunnan Breeding and Cultivation Research and Development Center of Endangered and Daodi Chinese Medicinal Materials, Yunnan University of Chinese Medicine, Kunming
  • Ye Wang Yunnan Breeding and Cultivation Research and Development Center of Endangered and Daodi Chinese Medicinal Materials, Yunnan University of Chinese Medicine, Kunming
  • Biao Zeng Yunnan Academy of Agricultural Sciences, Kunming
  • Heng-Yu Huang Yunnan University of Traditional Chinese Medicine
  • Wu-Dei Yang Chemistry department, Guizhou University of Traditional Chinese Medicine, Guiyang
keywords: adventitious buds, callus, orthogonal experiments tissue culture, stem segments with nodes


Background: Cyclocodon lancifolius (Roxb.) Kurz is a perennial medicinal and edible plant with a huge potential economic value. The wild resources of this plant are gradually scarce by the serious destruction of the habitat and the limitations of sexual reproduction. This is the first attempt to establish an in vitro reproductive system for the species.

Hypothesis: The suitable plant regulator types and its mass concentration range, combined with the explants, can induce the development of plants at various stages. We expected to establish an in vitro regeneration system of C. lancifolius based on these factors.

Species studied: Cyclocodon lancifolius

Study site and years of study: Yunnan Breeding and Cultivation Research and Development Center of Endangered and Daodi Chinese Medicinal Materials, Yunnan University of Chinese Medicine, from 2017 to 2019.

Methods: The plant regeneration of C. lancifolius was established by single factor, L9 (34) orthogonal and complete combination experiments.

Results: Stem segments were the best explants for callus induction on MS medium containing 0.05 mg·L-1 KT, 0.5 mg·L-1 6-BA and 0.5 mg·L-1 NAA. MS medium with 0.2 mg·L-1 TDZ and MS medium were used alternately as the culture method to conduct differentiation and proliferation of adventitious shoot. The optimal protocol for the rooting was MS medium combined with 0.1 mg·L-1 6-BA and 1.0 mg·L-1 NAA.

Conclusions: A rapid propagation system of C. lancifolius was established which provided a possible solution for the protection of wild resources and artificial cultivation.


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Callus induction and adventitious bud differentiation of <em>Cyclocodon lancifolius</em> (Roxb.) Kurz


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How to Cite
XiY.-K., WangY., ZengB., HuangH.-Y., & YangW.-D. (2020). Callus induction and adventitious bud differentiation of Cyclocodon lancifolius (Roxb.) Kurz. Botanical Sciences, 98(4), 534-544.