Prospective Applications of Low Frequency Glow Discharge Plasmas on Enhanced Germination, Growth and Yield of Wheat

Medium pressure (~ 10 torr) low frequency (3–5 kHz) glow discharge (LFGD) plasmas were applied to treat wheat ( Triticum aestivum ) seeds to investigate the effects on water absorption, seed germination rate, seedling growth and yield. The LFGD plasmas were produced with air and air / O 2 . Optical...

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Bibliographic Details
Published in:Plasma chemistry and plasma processing 2018-01, Vol.38 (1), p.13-28
Main Authors: Roy, N. C., Hasan, M. M., Talukder, M. R., Hossain, M. D., Chowdhury, A. N.
Format: Article
Language:English
Subjects:
Characterization and Evaluation of Materials
Chemistry
Chemistry and Materials Science
Classical Mechanics
Crop yield
Diagnostic systems
Discharge
Germination
Inorganic Chemistry
Low frequencies
Mechanical Engineering
Original Paper
Plant growth
Plasmas
Seeds
Spikes
Surface chemistry
Triticum aestivum
Water absorption
Wheat
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Summary:Medium pressure (~ 10 torr) low frequency (3–5 kHz) glow discharge (LFGD) plasmas were applied to treat wheat ( Triticum aestivum ) seeds to investigate the effects on water absorption, seed germination rate, seedling growth and yield. The LFGD plasmas were produced with air and air / O 2 . Optical emission spectroscopic diagnostic methods were revealed that the N 2 C 3 Π u - B 3 Π g , N 2 + B 2 Σ u + - X 2 Σ g + and N 2 B 3 Π g - A 3 Σ u + produced with air , and O species were produced along with nitrogen species with air / O 2 plasmas, respectively. The SEM images were revealed that the surface architectures and functionalities of the seeds were modified due to plasma treatments. Water absorption was found to increase with treatment time. 6 min treatment was provided 95–100% seed germination. The plants grown from treated seeds for 3 and 9 min duration by air / O 2 plasma were showed the highest growth activity and dry matter accumulation. Total chlorophyll contents of the leaves, longest spikes and number of spikes/spikelet were also increased. The wheat yield was increased ~ 20% over control by 6 min treatment with air / O 2 plasma. Overall results revealed that LFGD plasmas can significantly change seed surface architecture, water absorption, germination rate, seedling growth and yield of wheat.
ISSN:0272-4324
1572-8986
DOI:10.1007/s11090-017-9855-1