Growing Science » Current Chemistry Letters » Design and synthesis of novel N, N′-substituted benzamide derivatives as potential insecticidal agents against the white mango scale insect, Aulacaspis tubercularis (Hemiptera: Diaspididae)

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Current Chemistry Letters

ISSN 1927-730x (Online) - ISSN 1927-7296 (Print)
Quarterly Publication
Volume 13 Issue 1 pp. 173-186 , 2024

Design and synthesis of novel N, N′-substituted benzamide derivatives as potential insecticidal agents against the white mango scale insect, Aulacaspis tubercularis (Hemiptera: Diaspididae) Pages 173-186 Right click to download the paper Download PDF

Authors: Moustafa M.S. Bakry, Liqaa H. Mohammed, Noha A. Dabour, Mohamed A. Gad

DOI: 10.5267/j.ccl.2023.7.003

Keywords: Insecticidal activity, Synthesis, Aulacaspis tubercularis, Insecticide, Pyriproxyfen

Abstract: The white mango scale insect Aulacaspis tubercularis (Newstead) (Hemiptera: Diaspididae), which causes defoliation, drying out of young twigs, dieback, poor flowering, and decreased fruit output, causes serious damage to mango trees in Egypt. Attacks on mango fruits result in pink imperfections that lower their value as a commercial and export item. The current report aims to support the development of integrated management plans to combat A. tuberculosis and to identify more effective, eco-friendly insecticides. The bug may cause a considerable decrease in mango production and jeopardize the sustainability of mango plantation production if no management measures are taken. Currently, the application of a small number of insecticides—the majority of which have poor performance and are disruptive is the primary method used to manage A. tubercularis. In order to suppress this insect, we created novel pesticides called insect growth regulators (N, N′-substituted benzamide derivatives). By using both traditional and elemental spectroscopic investigations (IR, 1HNMR, and 13CNMR), these synthesized compounds which are linked to the most well-known insect growth regulator insecticides had their structures validated. The findings showed that A. tubercularis nymphs were more responsive to the evaluated treatments than adult females. After one day of application, all tested treatments resulted in a sizable proportion of mortality; the percentage of mortality increased with time for both A. tubercularis nymphs and adult females. Furthermore, the treatment with compound 3b was more effective than other synthesized compounds, with a LC50 of 0.318 ppm against nymphs and a LC50 of 0.993 ppm against adult females of A. tubercularis. While the treatment with compound 5 was the least toxic for controlling this pest, many assessments are essential to studying the efficacy of these treatments on advantageous insects.

How to cite this paper
Bakry, M., Mohammed, L., Dabour, N & Gad, M. (2024). Design and synthesis of novel N, N′-substituted benzamide derivatives as potential insecticidal agents against the white mango scale insect, Aulacaspis tubercularis (Hemiptera: Diaspididae).Current Chemistry Letters, 13(1), 173-186.

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Journal: Current Chemistry Letters | Year: 2024 | Volume: 13 | Issue: 1 | Views: 365 | Reviews: 0

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