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Nano sciences or nanotechnology are the study of small things at nm scale, it is used across the all science fields, such as chemistry, Biology, physics, material sciences and engineering. Nano sciences is an emerging and vastly developed form that can encompasses the fundamental’s elements which can understand and advanced arising form of exploitation of materials, which have one dimension. Trogoderma Granarium were collected from grain market, located in Faisalabad and population of insect was acclimatized to the laboratory. After extraction of plant materials (oils from Datura stramonium and Syzygium aromaticum) biosynthesis of nano-particles was done accordingly to standard procedure. Toxicity bioassays was done by three concentrations (5, 10 and 15 %) of the plant oils (for each of the simple plant oil) and 100, 200 and 300 ppm (for nano-particles) were used. Data regarding mortality was recorded after 24, 48, 72 and 96 hours of the treatment application. In case of plant oil, highest mortality (36.12%) was recorded by Datura stramonium at 15% and after exposure period of 96 (hr.) while Datura stramonium silver nanoparticle gave 41.40% at 300 ppm. Repellency bioassay was done by area preference method. Silver nanoparticles repellency highest range was 67.89% at 15% concentration of Datura stramonium and lowest was 28.31% at same concentration of the Syzygium aromaticum oils, used. Hence, plant based insecticides can be helpful for the management of stored commodities insect pests.

Impacts of bio synthesized silver-nanoparticles (AgNO3) and plant oils against Trogoderma granarium