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- Title
Effect of the afterglows of low pressure Ar/N<sub>2</sub>‐O<sub>2</sub> surface‐wave microwave discharges on barley and maize seeds.
- Authors
Szőke, Csaba; Nagy, Zoltán; Gierczik, Krisztián; Székely, András; Spitkól, Tamás; Zsuboril, Zsuzsanna T.; Galiba, Gábor; Marton, Csaba L.; Kutasi, Kinga
- 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 <italic>Fusarium graminearum</italic> and <italic>Fusarium verticillioides</italic>. 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.
- Subjects
BARLEY seeds; GERMINATION; AFTERGLOW (Physics); CORN seeds; ARGON; NITROGEN oxides; HIGH-frequency discharges
- Publication
Plasma Processes & Polymers, 2018, Vol 15, Issue 2, p1
- ISSN
1612-8850
- Publication type
Article
- DOI
10.1002/ppap.201700138