Journal
ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY
Volume 213, Issue -, Pages -Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.ecoenv.2021.112020
Keywords
Antioxidant; Confocal microscopy; Growth; Linseed; Nanomaterial; Soil salinity
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Funding
- CSIR, New Delhi [09/112(0638)/2019-EMR-I]
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The application of nanoparticles (NPs) was found to enhance plant growth and physiology, as well as increase the salt tolerance capacity of plants, as indicated by the experimental results.
The contribution of nanoparticles (NPs) in physiology of the plants became the new area of interest for the physiologists; as it is very much cost effective compared to the phytohormones. Our present investigation was also based on this interest in which the same doses (50 mg/L) of four different NPs were sprayed on stressed and non-stressed foliage. The experiment was conducted to assess the impact of four NPs viz., zinc oxide (ZnO), silicon dioxide (SiO2), titanium dioxide (TiO2), and ferric oxide (Fe2O3) on the morphology and physiology of linseed in the presence of sodium chloride (NaCl). Plants responded positively to all the treated NPs and improved the growth, carbon and nutrient assimilation, while salt stress increased the content of proline, hydrogen peroxide and superoxide anion. Application of NPs over the stressed plants further increased the antioxidant enzymatic system and other physiochemical reactions. Results indicate that application of NPs increased the growth and physiology of the plant and also increased the salt tolerance capacity of the plant.
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