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The impact of organic selenium on the growth and physiological traits of Salvia miltiorrhiza Bunge. seedlings

Author

Listed:
  • Yi Luo

    (Henan Institute of Science and Technology, Xinxiang, P.R. China)

  • Xiaoqing Zhang

    (Henan Institute of Science and Technology, Xinxiang, P.R. China
    Institute for Oilseed Crop Germplasm Innovation and Utilisation, Key Laboratory for Quality Improvement of Agricultural Products of Zhejiang Province, College of Advanced Agricultural Sciences, Zhejiang A&F University, Hangzhou, P.R. China)

  • Yibo Zhang

    (Henan Institute of Science and Technology, Xinxiang, P.R. China)

  • Changjuan Shan

    (Henan Institute of Science and Technology, Xinxiang, P.R. China
    Xinxiang Pasture Engineering Technology Research Center, Xinxiang, P.R. China)

Abstract

This study examined the impact of selenomethionine (SeMet) on the growth and physiological traits of Salvia miltiorrhiza seedlings. Application of SeMet significantly improved the photosynthetic performance by reducing stomatal limitation value (Ls) and increasing soil and plant analyser development (SPAD) value, net photosynthetic rate (Pn), transpiration rate (Tr), stomatal conductance (gs) and water use efficiency (WUE), compared to the control. Furthermore, SeMet also improved the photosynthetic performance by reducing non-photochemical quenching (NPQ) and increasing the actual photochemical efficiency of photosystem II (Y(II)), photochemical quenching (qP), maximum photochemical efficiency of PSII (Fv/Fm) and apparent electron transport rate (ETR). Meanwhile, the findings indicated that SeMet was able to enhance the antioxidant capacity of S. miltiorrhiza seedlings by increasing the activities of antioxidant enzymes ascorbate peroxidase (APX), glutathione reductase (GR), peroxidase (POD), catalase (CAT) and superoxide dismutase (SOD), thereby reducing the contents of malondialdehyde (MDA) and hydrogen peroxide (H2O2). Besides, SeMet notably impacted plant growth by promoting plant height, basal diameter and biomass. Among different concentrations, 60 mg/L exhibited the most favourable impact on photosynthetic performance, antioxidant capacity and the growth of S. miltiorrhiza seedlings. In summary, the appropriate dosage of SeMet can stimulate the growth of S. miltiorrhiza by enhancing photosynthetic and antioxidant capacities. These findings can serve as a solid theoretical foundation for the application of SeMet in the cultivation and production of S. miltiorrhiza.

Suggested Citation

  • Yi Luo & Xiaoqing Zhang & Yibo Zhang & Changjuan Shan, 2025. "The impact of organic selenium on the growth and physiological traits of Salvia miltiorrhiza Bunge. seedlings," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 71(4), pages 269-277.
    • Handle: RePEc:caa:jnlpse:v:71:y:2025:i:4:id:348-2024-pse
    DOI: 10.17221/348/2024-PSE
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