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<p>The main objective of the current research is to examine the impact of plasma-activated water (PAW) irrigation on alfalfa, clover, and fenugreek seed germination characteristics. The surface dielectric barrier discharge as a cold plasma source was utilized to generate Plasma Activated Water (PAW). Preliminary studies explored multiple process factors, including applied voltage, frequency, treatment duration, and volume of water, in relation to the physicochemical qualities of the produced PAW. In order to create PAW, we exposed deionized water to SDBD-based plasma discharge for 5, 10, and 15&#xa0;min. We observe that the NO<sub>2</sub>¯ and NO<sub>3</sub>¯ concentrations are both significantly greater than the control for 15&#xa0;min of plasma-treated water. The impacts of PAW on alfalfa, clover, and fenugreek seed germination potential have been studied at different water activation times. Plasma-activated water (PAW) had a notable impact on seed germination and seedling growth. PAW-irrigated seeds imbibe faster than deionized water-irrigated ones. PAW irrigation boosted germination metrics, including germination percentage, and growth parameters like shoot/root length, vigor index, and bioactive components. These outcomes indicated that PAW irrigation could improve seed germination and plant growth. The plasma species created an etched surface, which increased the seed coat’s capacity to absorb water. Furthermore, in the course of the germination phase, the reactive nitrogen species (RNS) impacted the development of the seeds and subsequent seedlings.</p>

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Stimulating microgreens growth with plasma-activated water: role of reactive nitrogen species for improved crop performance

  • 期刊论文

  • 发表日期：

    2026年2月12日

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  • Ritesh Mishra,
  • Shikha Pandey,
  • Sushma Jangra,
  • Abhijit Mishra,
  • Meenu Chhabra,
  • Ram Prakash

摘要

The main objective of the current research is to examine the impact of plasma-activated water (PAW) irrigation on alfalfa, clover, and fenugreek seed germination characteristics. The surface dielectric barrier discharge as a cold plasma source was utilized to generate Plasma Activated Water (PAW). Preliminary studies explored multiple process factors, including applied voltage, frequency, treatment duration, and volume of water, in relation to the physicochemical qualities of the produced PAW. In order to create PAW, we exposed deionized water to SDBD-based plasma discharge for 5, 10, and 15 min. We observe that the NO2¯ and NO3¯ concentrations are both significantly greater than the control for 15 min of plasma-treated water. The impacts of PAW on alfalfa, clover, and fenugreek seed germination potential have been studied at different water activation times. Plasma-activated water (PAW) had a notable impact on seed germination and seedling growth. PAW-irrigated seeds imbibe faster than deionized water-irrigated ones. PAW irrigation boosted germination metrics, including germination percentage, and growth parameters like shoot/root length, vigor index, and bioactive components. These outcomes indicated that PAW irrigation could improve seed germination and plant growth. The plasma species created an etched surface, which increased the seed coat’s capacity to absorb water. Furthermore, in the course of the germination phase, the reactive nitrogen species (RNS) impacted the development of the seeds and subsequent seedlings.