Abstract
Abstract BACKGROUND Phyma leptostachya is a traditional insecticidal plant that has been employed as a natural insecticide for the control of various pests. Nanotechnology possesses transformative potential in the field of crop protection and contributes to the optimal utilization and outstanding performance of plant extracts. Hence, the preparation process of P. leptostachya extract‐loaded nanoemulsions was investigated in this study, as well as the aphicidal activity and safety to non‐target organisms. RESULTS Nanoemulsion formulated with the emulsifier EL‐60 demonstrated superior stability. Furthermore, the stability of these nanoemulsions was found to enhance with increasing emulsifier concentrations, ranging from 1% to 5%. The optimized formulation of nanoemulsion was formed as follows: 0.2% P. leptostachya extract, 2% S‐200, 3% EL‐60, and 94.8% deionized water. Finally, P. leptostachya extract‐loaded nanoemulsion showed excellent insecticidal activity against Acyrthosiphon pisum with LC 50 0.2267 mg/mL at 24 h. The LC 50 of nanoemulsion to earthworm was much higher than 10 mg/kg dried soil, indicating nanoemulsion has good safety. In addition, nanoemulsion had no effect on the plant height of Vicia faba and bolster its antioxidant systems. CONCLUSION This research has enabled the design and fabrication of nanoemulsions loaded with P. leptostachya extract, which serve as a novel insecticide aimed at enhancing insecticidal efficacy with low toxicity that is beneficial to the sustainable control of pests. © 2025 Society of Chemical Industry.
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Claims 2
Claim · model-written summary
Nanoemulsion did not affect Vicia faba height.
- Taxon
- Vicia faba
Vicia fabae0 - Treatment
- nanoemulsione0
- Outcome
- plant heighte0
- Direction
- no effecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“nanoemulsion had no effect on the plant height of Vicia faba”
Claim · model-written summary
Nanoemulsion bolstered Vicia faba antioxidant systems.
- Taxon
- Vicia fabaVicia fabae0
- Treatment
- nanoemulsione0
- Outcome
- antioxidant systemse0
- Direction
- bolstere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“nanoemulsion had no effect on the plant height of Vicia faba and bolster its antioxidant systems”
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