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Peer-reviewedCC BY-NC-NDPhotosynthetica

Environmental conditions dictate the long-term photosynthetic and developmental response of lettuce to cold plasma priming.

  • K Šedivá1,2
  • P Kúr1
  • J Matoušek3
  • H Auer Malinská1
  1. 1Faculty of Science, Department of Biology, Jan Evangelista Purkyně University in Ústí nad Labem, Pasteurova 15, 400 96 Ústí nad Labem, Czech Republic.
  2. 2Faculty of Environment, Department of Environment, Jan Evangelista Purkyně University in Ústí nad Labem, Pasteurova 15, 400 96 Ústí nad Labem, Czech Republic.
  3. 3Faculty of Science, Department of Physics, Jan Evangelista Purkyně University in Ústí nad Labem, Pasteurova 15, 400 96 Ústí nad Labem, Czech Republic.
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Abstract

Cold plasma (CP) seed treatment is a promising non-chemical priming technique, yet its long-term physiological effects remain poorly understood and highly context-dependent. This study evaluated CP treatment (50-150 W) on lettuce seeds grown under controlled phytotron and semi-controlled greenhouse conditions. Germination kinetics, flowering dynamics, shoot biomass, chlorophyll fluorescence (OJIP), and leaf reflectance indices were assessed. CP consistently accelerated germination compared with the untreated control, with only minor differences among plasma power levels. Under stable phytotron conditions, higher plasma power (100-150 W) delayed flowering, increased biomass, and maintained PSII performance, consistent with prolonged vegetative growth. In contrast, greenhouse-grown plants exhibited a distinct physiological response characterised by transient alterations in chlorophyll fluorescence, earlier flowering at the highest plasma power, and no significant biomass increase. Overall, the findings demonstrate that the long-term effects of cold plasma priming depend strongly on post-treatment environmental conditions, highlighting environmental stability as a key determinant of its agronomic potential.

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Cite

BibTeXRIS
BibTeX
@article{sediva2026environmental,
  title = {{Environmental conditions dictate the long-term photosynthetic and developmental response of lettuce to cold plasma priming.}},
  author = {K Šedivá and P Kúr and J Matoušek and H Auer Malinská},
  journal = {Photosynthetica},
  year = {2026},
  month = oct,
  doi = {10.32615/ps.2026.030},
  url = {https://europepmc.org/article/MED/42974278},
  note = {CC BY-NC-ND},
}
RIS
TY  - JOUR
TI  - Environmental conditions dictate the long-term photosynthetic and developmental response of lettuce to cold plasma priming.
AU  - K Šedivá
AU  - P Kúr
AU  - J Matoušek
AU  - H Auer Malinská
PY  - 2026
DA  - 2026/10/02
JO  - Photosynthetica
DO  - 10.32615/ps.2026.030
UR  - https://europepmc.org/article/MED/42974278
AB  - Cold plasma (CP) seed treatment is a promising non-chemical priming technique, yet its long-term physiological effects remain poorly understood and highly context-dependent. This study evaluated CP treatment (50-150 W) on lettuce seeds grown under controlled phytotron and semi-controlled greenhouse conditions. Germination kinetics, flowering dynamics, shoot biomass, chlorophyll fluorescence (OJIP), and leaf reflectance indices were assessed. CP consistently accelerated germination compared with the untreated control, with only minor differences among plasma power levels. Under stable phytotron conditions, higher plasma power (100-150 W) delayed flowering, increased biomass, and maintained PSII performance, consistent with prolonged vegetative growth. In contrast, greenhouse-grown plants exhibited a distinct physiological response characterised by transient alterations in chlorophyll fluorescence, earlier flowering at the highest plasma power, and no significant biomass increase. Overall, the findings demonstrate that the long-term effects of cold plasma priming depend strongly on post-treatment environmental conditions, highlighting environmental stability as a key determinant of its agronomic potential.
SN  - 0300-3604
SN  - 1573-9058
ER  -