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Nitrate and hydrogen peroxide generated in water by electrical discharges stimulate wheat seedling growth

Maniruzzaman, Mohammad, Sinclair, Andrew, Cahill, David, Wang, Xungai and Dai, Xiujuan 2017, Nitrate and hydrogen peroxide generated in water by electrical discharges stimulate wheat seedling growth, Plasma chemistry and plasma processing, vol. 37, pp. 1393-1404, doi: 10.1007/s11090-017-9827-5.

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Title Nitrate and hydrogen peroxide generated in water by electrical discharges stimulate wheat seedling growth
Author(s) Maniruzzaman, Mohammad
Sinclair, Andrew
Cahill, DavidORCID iD for Cahill, David
Wang, Xungai
Dai, Xiujuan
Journal name Plasma chemistry and plasma processing
Volume number 37
Start page 1393
End page 1404
Total pages 12
Publisher Springer Science+Business Media
Place of publication New York, N.Y.
Publication date 2017-06-20
ISSN 0272-4324
Keyword(s) Plasma in liquid
Hydrogen peroxide
Wheat seedling growth
Science & Technology
Physical Sciences
Engineering, Chemical
Physics, Applied
Physics, Fluids & Plasmas
Summary This paper reports the stimulation of wheat seedling growth by using plasma-treated water. A nanosecond pulsed generator in a gas bubble-in-liquid system with a point-to-plate electrode was employed to treat de-ionised (DI) water, producing mainly hydrogen peroxide (H 2 O 2 ) in the water when argon gas was used, and nitrate ((Formula presented.)) when air was used. The H 2 O 2 and (Formula presented.) generated, respectively, in argon and air plasma-treated water significantly increased the growth parameters such as biomass, leaf length, and the relative chlorophyll content of the wheat seedling. The total biomass of the seedlings grown in potting mix after 4 weeks was augmented by 61 and 87%, respectively, for argon plasma-treated water and air plasma-treated water compared with the control (untreated DI water). In hydroponics, the biomass of the seedling increased 27 and 38%, respectively, for the argon and the air after 2 weeks in comparison to the control. In potting mix, the shoots and roots of the seedlings responded differently to the treated water: the biomass of shoot increased 33% for air plasma-treated water compared with the argon, while that of root increased 17% for argon plasma-treated water compared with the air. A separate experiment in hydroponics with chemical solutions of H 2 O 2 and (Formula presented.) matching with the concentrations of the H 2 O 2 and (Formula presented.) generated in the plasma-treated water showed similar stimulation of wheat seedling growth.
Language eng
DOI 10.1007/s11090-017-9827-5
Field of Research 070199 Agriculture, Land and Farm Management not elsewhere classified
0202 Atomic, Molecular, Nuclear, Particle And Plasma Physics
0904 Chemical Engineering
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2017, Springer Science+Business Media, LLC
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Document type: Journal Article
Collection: Institute for Frontier Materials
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