Introduction: Anopheles stephensi is the main malaria vector in Southeast Asia. Recently, plant-sourced larvicides are attracting great interests.
Methods: The essential oil was extracted from the leaf of Cinnamomum camphora (L.), and a bioassay was conducted to determine the larvicidal efficacy. The chemical composition of the essential oil was determined by GC-MS analysis.
Results: The oil showed strong, dose-dependent larvicidal activities. The onset of larvicidal efficiency was rapid. The LC50 and LC95 were determined as 0.146% and 1.057% at 1 h, 0.031% and 0.237% at 12 h, 0.026% and 0.128% at 24 h, respectively. The oil contains 32 compounds.
Conclusions: The essential oil of C. camphora leaf has an excellent larvicidal potential for the control of A. stephensi.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7083351 | PMC |
| http://dx.doi.org/10.1590/0037-8682-0211-2019 | DOI Listing |
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