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Abstract

EFFECTS OF FUNCTIONALIZED ZnO NANOPARTICLES ON THE PHYTOHORMONES: GROWTH AND DEVELOPMENT OF SOLANUM MELONGENA L. (BRINJAL) PLANT

Sharda Sundaram Sanjay*, Avinash C. Pandey, Madhulika Singh, Sheo M.Prasad

ABSTRACT

In this paper functionalized ZnO nanopatrticles were synthesized
through in situ functionalization method and characterized it by XRD,
SEM and FTIR spectroscopy. The functionalized ZnO nanoparticles
were then applied to the Solanum melongena i.e. brinjal (var. Rajni)
plant to investigate its effect on the activity of phytohormones by
measuring plant growth and development, photosynthetic pigment in
leaves and total soluble proteins. The potent antioxidant activity of
functionalized nano ZnO were also determined by determining the
level of superoxide radical and hydrogen peroxide, lipid peroxidation,
total phenolics, DPPH assay , SOD, POD and GST activities. It was
found that only at particular concentration nano ZnO (50μg/L) shows its positive response to
the plant and at higher concentration of nanoparticles and bulk ZnO show phytotoxic
activity.

Keywords: Antioxidents, functionalization, lipid peroxidation, nanoparticles, phytohormones,


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