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  • Open Access

    ARTICLE

    Research on the Cymbidium tortisepalum var. longibracteatum Growth and Non-Tube Rapid Propagation Based on Response Surface Methodology

    Guolan Wang, Ting Xie, Lijun Fu, Siying Qu, Jie Li*

    Phyton-International Journal of Experimental Botany, Vol.94, No.3, pp. 953-971, 2025, DOI:10.32604/phyton.2025.060634 - 31 March 2025

    Abstract The objective of this study was to determine the optimal proportions of plant growth regulators for growth and non-tube rapid propagation of Cymbidium tortisepalum var. longibracteatum; seedlings were utilized as the material. The effects of various combinations and concentrations of 6-benzylaminopurine (6-BA), gibberellic acid (GA3), and naphthaleneacetic acid (NAA) on growth and non-tube rapid propagation were assessed through a single-factor testing and response surface methodology. The results indicated that 6-BA at 60 mg/L, GA3 at 150 mg/L, and NAA at 30 mg/L were the most effective concentrations for promoting leaf buds formation in the single-factor analysis. Response surface… More >

  • Open Access

    ARTICLE

    Rapid Propagation of Rhynchostylis retusa in Vitro

    Yinkai Xi1,2, Biao Zeng3, Hengyu Huang1,4,*

    Phyton-International Journal of Experimental Botany, Vol.90, No.3, pp. 987-1001, 2021, DOI:10.32604/phyton.2021.014218 - 30 March 2021

    Abstract An efficient regeneration system of Rhynchostylis retusa was established to provide technical reference for the application of tissue culture tube seedlings in production. The mixtures of callus and protocorm from aseptic germination were used as explants. The optimal media of each stage was selected for callus proliferation, protocorm occurrence and growth, rejuvenation and rooting via a single, complete combination and orthogonal experiment. The results showed that the optimal medium for callus proliferation, protocorms occurrence and growth was 1/2 Murashige and Skoog (MS) medium adding 50 g·L−1 banana puree, 0.1 mg·L−1 α-naphthaleneacetic acid (NAA), 1.5 mg·L−1 6-benzylaminopurine (6-BA) and… More >

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