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 synthesizedthrough in situ functionalization method and characterized it by XRD,SEM and FTIR spectroscopy. The functionalized ZnO nanoparticleswere then applied to the Solanum melongena i.e. brinjal (var. Rajni)plant to investigate its effect on the activity of phytohormones bymeasuring plant growth and development, photosynthetic pigment inleaves and total soluble proteins. The potent antioxidant activity offunctionalized nano ZnO were also determined by determining thelevel of superoxide radical and hydrogen peroxide, lipid peroxidation,total phenolics, DPPH assay , SOD, POD and GST activities. It wasfound that only at particular concentration nano ZnO (50μg/L) shows its positive response tothe plant and at higher concentration of nanoparticles and bulk ZnO show phytotoxicactivity.

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