Please use this identifier to cite or link to this item: https://ktisis.cut.ac.cy/handle/10488/16464
Title: Titanium dioxide nanoparticles (TiO2 NPs) promote growth and ameliorate salinity stress effects on essential oil profile and biochemical attributes of Dracocephalum moldavica
Authors: Gohari, Gholamreza 
Mohammadi, Asghar 
Akbari, Ali 
Panahirad, Sima 
Dadpour, Mohammad Reza 
Fotopoulos, Vasileios 
Kimura, Seisuke 
Major Field of Science: Agricultural Sciences
Field Category: Agricultural Biotechnology
Keywords: Nanoparticles;Plants;Seedling growth
Issue Date: 22-Jan-2020
Source: Scientific Reports, 2020, vol. 10, no.1
Volume: 10
Issue: 1
Journal: Scientific Reports 
Abstract: Considering titanium dioxide nanoparticles (TiO2 NPs) role in plant growth and especially in plant tolerance against abiotic stress, a greenhouse experiment was carried out to evaluate TiO2 NPs effects (0, 50, 100 and 200 mg L-1) on agronomic traits of Moldavian balm (Dracocephalum moldavica L.) plants grown under different salinity levels (0, 50 and 100 mM NaCl). Results demonstrated that all agronomic traits were negatively affected under all salinity levels but application of 100 mg L-1 TiO2 NPs mitigated these negative effects. TiO2 NPs application on Moldavian balm grown under salt stress conditions improved all agronomic traits and increased antioxidant enzyme activity compared with plants grown under salinity without TiO2 NP treatment. The application of TiO2 NPs significantly lowered H2O2 concentration. In addition, highest essential oil content (1.19%) was obtained in 100 mg L-1 TiO2 NP-treated plants under control conditions. Comprehensive GC/MS analysis of essential oils showed that geranial, z-citral, geranyl acetate and geraniol were the dominant essential oil components. The highest amounts for geranial, geraniol and z-citral were obtained in 100 mg L-1 TiO2 NP-treated plants under control conditions. In conclusion, application of 100 mg L-1 TiO2 NPs could significantly ameliorate the salinity effects in Moldavian balm.
ISSN: 2045-2322
DOI: 10.1038/s41598-020-57794-1
Rights: © The Author(s)
Type: Article
Affiliation : Cyprus University of Technology 
University of Maragheh 
Urmia University of Medical Sciences 
University of Tabriz 
Kyoto Sangyo University 
Appears in Collections:Άρθρα/Articles

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