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<p>In this study, the NTP device, which has previously been used for bacterial decontamination, was tested on broccoli seeds before seeding to test the resistance after seeding into soil infected by the eukaryotic obligate parasitic protist <i>Plasmodiophora brassicae.</i> Both NTP treatments, i.e., 10 and 15&#xa0;min, showed a significant reduction in the disease severity index (&lt; 30%). Additionally, NTP 15&#xa0;min showed the best response, with no plants found in disease classes 3 and 4. Meanwhile, the NTP treatment for 15&#xa0;min showed a significantly lower effect on plant fresh shoot weight, while none of the NTP treatments showed a significant effect on dry shoot weight and plant height. This early resistance induction offers a novel and sustainable approach to the management of seed-borne diseases and soil-borne pathogens, reducing the reliance on chemical pesticides. The emphasis is on the need for systematic evaluation of various NTP devices to optimize treatment efficacy, particularly against <i>P. brassicae</i>, a significant pathogen that affects cruciferous crops.</p>

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Effect of an Indirect Low-Powered Point-to-Ring Non-thermal Plasma Discharge against Plasmodiophora brassicae Woronin in Broccoli in Open-Air Pot Trials

  • 期刊论文

  • 发表日期：

    2025年12月11日

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  • Pratik Doshi,
  • Jutta Ludwig-Müller,
  • Vladimír Scholtz,
  • Josef Khun,
  • Laura Thonová,
  • Božena Šerá

摘要

In this study, the NTP device, which has previously been used for bacterial decontamination, was tested on broccoli seeds before seeding to test the resistance after seeding into soil infected by the eukaryotic obligate parasitic protist Plasmodiophora brassicae. Both NTP treatments, i.e., 10 and 15 min, showed a significant reduction in the disease severity index (< 30%). Additionally, NTP 15 min showed the best response, with no plants found in disease classes 3 and 4. Meanwhile, the NTP treatment for 15 min showed a significantly lower effect on plant fresh shoot weight, while none of the NTP treatments showed a significant effect on dry shoot weight and plant height. This early resistance induction offers a novel and sustainable approach to the management of seed-borne diseases and soil-borne pathogens, reducing the reliance on chemical pesticides. The emphasis is on the need for systematic evaluation of various NTP devices to optimize treatment efficacy, particularly against P. brassicae, a significant pathogen that affects cruciferous crops.