Synergistic effect of Croton bonplandianum Baill. with Cypermethrin and Lambda-cyhalothrin against Aedes aegypti Linn, a Dengue fever vector

Lakshmi, Kalarikkal Venugopalan; Sudhikumar, Ambalaparambil Vasu; Aneesh, Embalil Mathachan

doi:10.1016/j.sajb.2021.03.034

Cited by 5 publications

(1 citation statement)

References 9 publications

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“…Mixtures of CYP and IMI exerted a strong synergistic effect on the acute toxicity to crayfish; the LC 50 was 0.180, 0.160, and 0.160 μg/ml, indicating the higher toxicity of mixtures compared with individual pesticides, the synergistic effect of CYP and EMB was more obvious, the LC 50 was 0.053, 0.050, 0.048 μg/ml. Lakshmi et al 35 supported the cypermethrin's effectiveness of synergism; the cypermethrin and Croton bonplandianum Baill, the synergistic effect was found to provide better larvicidal activity. In Wu et al 21 study, pesticide mixtures of triazophos (TRI) and IMI displayed synergistic response on zebrafish embryos.…”

Section: Discussionmentioning

confidence: 98%

The acute toxicity of cypermethrin, emamectin benzoate and imidacloprid on red swamp crayfish (Procambarus clarkia)

Zhang,

Chen,

Zhang

et al. 2024

Israeli Journal of Aquaculture - Bamidgeh

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Pesticide contamination is commonly found as a mixture of different pesticides rather than individual compounds. However, the regulatory risk evaluation is mostly based on the effects of individual pesticides. In the present study, we aimed to investigate the individual and combined toxicities of cypermethrin (CYP) with emamectin benzoate (EMB) and imidacloprid (IMI) to crayfish using acute indices and various sub-lethal endpoints. Semi-static bioassay procedures were followed in the experiment. The 24, 48, and 72 h LC50 values (with 95% confidence limits) of CYP for crayfish were calculated as 0.141, 0.137, and 0.135 ug/ml, respectively, which were higher than those of IMI (75.813, 72.345, 70.568 g/ml) and EMB (34.581, 27.930, 22.298 ug/ml). Pesticide mixtures of CYP and EMB displayed a synergistic response to crayfish; the LC50 was 0.053, 0.050, and 0.048 ug/ml, which was lower than when only CYP was present. Pesticide mixtures of CYP and EMB were found to be highly toxic to crayfish. At the physiological level, both individuals and mixtures of pesticides caused severe injury to the internal organs of crayfish. Taken together, the synergistic effects indicated that it was highly important to include joint toxicity studies when assessing the risk of pesticides.

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Section: Discussionmentioning

confidence: 98%

The acute toxicity of cypermethrin, emamectin benzoate and imidacloprid on red swamp crayfish (Procambarus clarkia)

Zhang,

Chen,

Zhang

et al. 2024

Israeli Journal of Aquaculture - Bamidgeh

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Valorization of Deodorizing Distillate Palm Oil Residue for Larvicidal Activity Against Aedes aegypti and Synergistic Effect of Their Free Fatty Acids

Ribeiro,

Lopes,

Marinho

et al. 2023

Waste Biomass Valor

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Increased consumption of palm oil results in more palm oil by-products. To meet environmental sustainability, deodorizing distillate palm oil (DDPO) also calls attention to diversifying its technological or commercial application. Because of this, the present work, to present new economic-scienti c alternatives for this by-product, aimed to evaluate the larvicide effect of DDPO, well as to investigate the synergistic effect of the combination of these fatty acid present in the composition of DDPO, against larvae of 3rd instar of Ae. aegypti. The DDPO larvicide assay showed a high mortality rate, with an LC 50 of 6.18 µg.mL − 1 at 24 h and 8.73 µg.mL − 1 at 48 h of treatment. In addition, the results of LC 50 , among saturated fatty foods and between the combination of fatty acid (myristic, lauric, stearic and oleic) with palmitic acid, were met positively by second-degree polynomial regression analysis. Finally, the study of molecular docking, corroborated, as potential inhibitors of the binding of juvenile hormones. Together, the results suggest that DDPO can be a potential natural larvicide agent, making it an alternative to the excessive use of synthetic insecticides, thus minimizing its impacts on the environment and promoting new technologies for the use of this palm oil by-product.

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Larvicidal property of the extracts of the seaweeds; Sargassum wightii, S. ilicifolium and Gelidiella acerosa against Anopheles stephensi, Aedes aegypti and Culex quinquefasciatus

Perumal

Dhanasundaram

Aravinth

et al. 2022

Biocatalysis and Agricultural Biotechnology

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Synergistic effect of Croton bonplandianum Baill. with Cypermethrin and Lambda-cyhalothrin against Aedes aegypti Linn, a Dengue fever vector

Cited by 5 publications

References 9 publications

The acute toxicity of cypermethrin, emamectin benzoate and imidacloprid on red swamp crayfish (Procambarus clarkia)

The acute toxicity of cypermethrin, emamectin benzoate and imidacloprid on red swamp crayfish (Procambarus clarkia)

Valorization of Deodorizing Distillate Palm Oil Residue for Larvicidal Activity Against Aedes aegypti and Synergistic Effect of Their Free Fatty Acids

Larvicidal property of the extracts of the seaweeds; Sargassum wightii, S. ilicifolium and Gelidiella acerosa against Anopheles stephensi, Aedes aegypti and Culex quinquefasciatus

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