Effects of plasma irradiation using various feeding gases on growth of Raphanus sativus L.

Thapanut Sarinont, Takaaki Amano, Pankaj Attri, Kazunori Koga, Nobuya Hayashi, Masaharu Shiratani

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

In this work, we have studied the action of dielectric barrier discharge (DBD) plasma irradiation using various feeding gases on seeds of Raphanus sativus L. and analysis their growth. Our experimental data shows that Air, O2, and NO(10%)+N2 feeding gases plasma irradiation enhanced plant growth, whereas N2, He and Ar feeding gases plasma irradiation had little influence on plant growth. Moreover, humid air plasma irradiation was more effective in growth enhancement than dry one. More than 2.3 times faster growth was observed by 3 min air plasma irradiation with 40–90% relative humidity. The reactive species generated by plasma in gas phase were detected using optical emission spectroscopy and in liquid phase by electron spin resonance (ESR) spectroscopy. We concluded that OH and O radicals were key species for plant growth enhancement.

Original languageEnglish
Pages (from-to)129-140
Number of pages12
JournalArchives of Biochemistry and Biophysics
Volume605
DOIs
Publication statusPublished - Sep 1 2016

Fingerprint

Raphanus
Gases
Irradiation
Plasma Gases
Plasmas
Growth
Air
Electron spin resonance spectroscopy
Optical emission spectroscopy
Electron Spin Resonance Spectroscopy
Humidity
Seed
Spectrum Analysis
Seeds
Atmospheric humidity
Liquids

All Science Journal Classification (ASJC) codes

  • Biophysics
  • Biochemistry
  • Molecular Biology

Cite this

Effects of plasma irradiation using various feeding gases on growth of Raphanus sativus L. / Sarinont, Thapanut; Amano, Takaaki; Attri, Pankaj; Koga, Kazunori; Hayashi, Nobuya; Shiratani, Masaharu.

In: Archives of Biochemistry and Biophysics, Vol. 605, 01.09.2016, p. 129-140.

Research output: Contribution to journalArticle

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