Effect of the afterglows of low pressure Ar/N2-O2 surface-wave microwave discharges on barley and maize seeds

Csaba Szőke, Zoltán Nagy, Krisztián Gierczik, András Székely, Tamás Spitkól, Zsuzsanna T. Zsuboril, Gábor Galiba, Csaba L. Marton, K. Kutasi

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Non-infected and infected cereal crops, respectively, are treated in the afterglow of Ar/N2-O2 surface-wave microwave discharges at 2–8 mbar pressure. It is shown, that the germination and vigour of non-infected seeds are not significantly effected, when barley is treated max 120 s at 2 mbar and maize 240 s at 4 mbar. On the other hand, seeds can be disinfected from the germination inhibitors Fusarium graminearum and Fusarium verticillioides. The most efficient treatment, which also increases the germination of infected seeds above 80%, for barley is the 3 min Ar-20%O2 afterglow at 4 mbar, while for maize the 4 min Ar-20%O2 + 2 min N2-2%O2 at 8 mbar. The high NO content mixtures and the heating of seed surface by the recombination of O and N-atoms inhibit barley germination.

Original languageEnglish
Article number1700138
JournalPlasma Processes and Polymers
Volume15
Issue number2
DOIs
Publication statusPublished - Feb 1 2018

Fingerprint

barley
germination
afterglows
Surface waves
surface waves
Seed
seeds
low pressure
Microwaves
microwaves
crops
inhibitors
Crops
Heating
Atoms
heating
atoms

Keywords

  • afterglow plasma processes
  • fusarium
  • microwave discharges
  • modeling
  • vigour test

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Polymers and Plastics

Cite this

Effect of the afterglows of low pressure Ar/N2-O2 surface-wave microwave discharges on barley and maize seeds. / Szőke, Csaba; Nagy, Zoltán; Gierczik, Krisztián; Székely, András; Spitkól, Tamás; Zsuboril, Zsuzsanna T.; Galiba, Gábor; Marton, Csaba L.; Kutasi, K.

In: Plasma Processes and Polymers, Vol. 15, No. 2, 1700138, 01.02.2018.

Research output: Contribution to journalArticle

Szőke, C, Nagy, Z, Gierczik, K, Székely, A, Spitkól, T, Zsuboril, ZT, Galiba, G, Marton, CL & Kutasi, K 2018, 'Effect of the afterglows of low pressure Ar/N2-O2 surface-wave microwave discharges on barley and maize seeds', Plasma Processes and Polymers, vol. 15, no. 2, 1700138. https://doi.org/10.1002/ppap.201700138
Szőke, Csaba ; Nagy, Zoltán ; Gierczik, Krisztián ; Székely, András ; Spitkól, Tamás ; Zsuboril, Zsuzsanna T. ; Galiba, Gábor ; Marton, Csaba L. ; Kutasi, K. / Effect of the afterglows of low pressure Ar/N2-O2 surface-wave microwave discharges on barley and maize seeds. In: Plasma Processes and Polymers. 2018 ; Vol. 15, No. 2.
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