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- Title
Prospective Applications of Low Frequency Glow Discharge Plasmas on Enhanced Germination, Growth and Yield of Wheat.
- Authors
Roy, N. C.; Hasan, M. M.; Talukder, M. R.; Hossain, M. D.; Chowdhury, A. N.
- Abstract
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 . Optical emission spectroscopic diagnostic methods were revealed that the $${\text{N}}_{2} \left( {{\text{C}}^{3}\Pi _{\text{u}} - {\text{B}}^{3}\Pi _{\text{g}} } \right)$$ , $${\text{N}}_{2}^{ + } \left( {{\text{B}}^{2}\Sigma _{\text{u}}^{ + } - {\text{X}}^{2}\Sigma _{\text{g}}^{ + } } \right)$$ and $${\text{N}}_{2} \left( {{\text{B}}^{3}\Pi _{\text{g}} - {\text{A}}^{3}\Sigma _{\text{u}}^{ + } } \right)$$ produced with air, and O species were produced along with nitrogen species with air/ O 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 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 plasma. Overall results revealed that LFGD plasmas can significantly change seed surface architecture, water absorption, germination rate, seedling growth and yield of wheat.
- Subjects
GLOW discharges; GERMINATION; WHEAT yields
- Publication
Plasma Chemistry & Plasma Processing, 2018, Vol 38, Issue 1, p13
- ISSN
0272-4324
- Publication type
Article
- DOI
10.1007/s11090-017-9855-1