Dielectric barrier discharge plasma treatment-induced changes in sunflower seed germination, phytohormone balance, and seedling growth

Rasa Zukiene, Zita Nauciene, Irena Januskaitiene, Giedre Pauzaite, Vida Mildaziene, Kazunori Koga, Masaharu Shiratani

Research output: Contribution to journalArticle

Abstract

The aim of this study was to estimate the effects of treatment with atmospheric cold plasma (CP) on sunflower (Helianthus annuus) seeds on germination kinetics, content of seed phytohormones, early seedling growth, and photosynthetic activity. Seeds were treated with a scalable dielectric barrier discharge device for different durations. Differences in CP-induced changes in the seed phytohormone content in cases of positive or negative effects on germination and/or seedling growth were detected. The eustress response was related to the increased ratio between gibberellin (GA) and abscisic acid (ABA) contents, and the distress response was related to decreased GA/ABA and increased salicylic acid content.

Original languageEnglish
Article number126003
JournalApplied Physics Express
Volume12
Issue number12
DOIs
Publication statusPublished - Dec 1 2019

All Science Journal Classification (ASJC) codes

  • Engineering(all)
  • Physics and Astronomy(all)

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