Abstract
Indiscriminate use of synthetic chemicals for pest management in agriculture leads to resistance development by the pests in addition to being toxic to non target organisms. In the present study, synthesized T. foenum-graecum leaf based iron oxide nanoparticles (FeNPs), and their insecticidal potential against serious invasive pest of South American leaf miner Tuta absoluta (Lepidoptera). The synthesized iron oxide nanoparticles (FeNPs) were characterized through, UV–Vis spectroscopy, FT-IR, EDaX, XRD, and SEM analysis. Our results shows that, synthesized nanoparticles FeNPs showed minimum 50% mortality at 48 h and maximum 72% mortality at 96 h was observed in 100 μg ml−1. The low level of LC50 147.32 and LC90 198.0 µl ml−1 was obtained. The results confers T. foenum-graecum leaf extract derived green iron oxide nanoparticles (FeNPs) as a very effective green biopesticide for control of Tuta absoluta. In the conclusion of the study that nanotechnology may prove beneficial in agricultural forming without chemical pesticides in future.
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