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<p><i>Berberis lycium</i> is an endemic wild plant with substantial medicinal importance in traditional ethnomedicine, while <i>Zanthoxylum armatum</i> is a widely recognised medicinal herb in China and Southeast Asia. Despite their natural occurrence, standardised cultivation practices for these plant species remain scarce in the Western Himalayan region. Further, owing to overexploitation, the population of these plant species are rapidly declining. This study aimed to propagate <i>B. lycium</i> and <i>Z. armatum</i> through culms (stem cuttings), using sand beds under net-house conditions. Samples for biomass, photosynthetic efficiency, and antioxidant activity were collected at three-month intervals. Our observations revealed that both species were successfully propagated without any adverse effects on their growth. Moreover, they maintained optimal photosynthetic efficiency (Fv/Fm ratio) throughout different seasonal intervals. A stable balance was observed between reactive oxygen species (ROS) generation and non-enzymatic antioxidant activities, which supported optimal plant growth. Notably, a positive correlation was established between photosynthetic efficiency and non-enzymatic antioxidant activity, reinforcing optimal plant development. These findings provide valuable insights into the temporal variations regulating cultivation strategies for <i>B. lycium</i> and <i>Z. armatum</i> under field conditions, enhancing their adaptability and yield potential in the humid subtropical climate of the Western Himalayas.</p>

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Inter‐relationship between biomass accumulation, photosynthetic efficiency, and antioxidant mechanism during culm proliferation in Berberis lycium and Zanthoxylum armatum

  • 期刊论文

  • 发表日期：

    2025年10月24日

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  • Suman Gusain,
  • Shubham Joshi,
  • Vikas Kumar,
  • Ajay Kumar,
  • Sudesh Kumar Yadav,
  • Rohit Joshi

摘要

Berberis lycium is an endemic wild plant with substantial medicinal importance in traditional ethnomedicine, while Zanthoxylum armatum is a widely recognised medicinal herb in China and Southeast Asia. Despite their natural occurrence, standardised cultivation practices for these plant species remain scarce in the Western Himalayan region. Further, owing to overexploitation, the population of these plant species are rapidly declining. This study aimed to propagate B. lycium and Z. armatum through culms (stem cuttings), using sand beds under net-house conditions. Samples for biomass, photosynthetic efficiency, and antioxidant activity were collected at three-month intervals. Our observations revealed that both species were successfully propagated without any adverse effects on their growth. Moreover, they maintained optimal photosynthetic efficiency (Fv/Fm ratio) throughout different seasonal intervals. A stable balance was observed between reactive oxygen species (ROS) generation and non-enzymatic antioxidant activities, which supported optimal plant growth. Notably, a positive correlation was established between photosynthetic efficiency and non-enzymatic antioxidant activity, reinforcing optimal plant development. These findings provide valuable insights into the temporal variations regulating cultivation strategies for B. lycium and Z. armatum under field conditions, enhancing their adaptability and yield potential in the humid subtropical climate of the Western Himalayas.