Investigation of mechanisms involved in germination enhancement of wheat (Triticum aestivum) by cold plasma: Effects on seed surface chemistry and characteristics

Agata Los, Dana Ziuzina, Daniela Boehm, Patrick J. Cullen, Paula Bourke*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

72 Citations (Scopus)

Abstract

Recent reports indicate that atmospheric cold plasma (ACP) treatment of seeds can enhance their germination, however, the mechanisms of action are not yet entirely clear. In the present work, we report on the effects of plasma treatment on wheat seed germination and seedling growth. Additionally, changes in the surface chemistry and characteristics of the wheat seeds exposed to plasma were investigated. Treatments of 30–60 s significantly enhanced the germination rate and showed positive effects on seedling growth. ACP resulted in changes of seed surface and chemical characteristics including water uptake and contact angle values. Changes in seed pH and total titratable acidity, as well as nitrites, nitrates, and malondialdehyde concentrations were also recorded.

Original languageEnglish
Article number1800148
Number of pages12
JournalPlasma Processes and Polymers
Volume16
Issue number4
Early online date12 Feb 2019
DOIs
Publication statusPublished - 01 Apr 2019

Keywords

  • cold plasma
  • dielectric barrier discharges (DBD)
  • food quality
  • seed germination
  • wheat seeds

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Polymers and Plastics

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