The present work is focused on synthesis and characterization of ZnO, CeO2 and ZnO-

CeO2 nanoparticles using the extraction of Curcuma Longa Tubers Powder by Hybridized

Hydrothermal Method and chemical Method, ZnO nanoparticles are of great importance because

of their unique electrical, optical, gas sensing and of large bonding energy. Due to its low cost

and other properties like good electrical, optical, nontoxic behavior, it has many applications in

different fields like solar cells, gas sensors, spintronics, ultraviolet lasers, Agriculture etc;

Cerium Oxide is used as catalysis field and in chemical and mechanical polishing. It is also well

known for its optical properties and it can filter ultraviolet (UV) rays. This study reports the

exploit of aqueous extraction of The Curcuma longa tubers powder act as Reducing and

stabilizing agent. The nanomaterial was characterized by using XRD, TGDTA, FTIR,

EDAX,SEM and TEM Analysis. In present study, the prepared nanoparticles (100mg) were

mixed with distilled water and sonicated for 15 minutes, sonicated suspension was used for the

treatment in Green gram (Vigna radiata L.) seeds to study the effect on bioavailability of seed

germination and observed early seedling growth and growth characteristics of Green gram. The

experiment was carried out under greenhouse conditions.