Insecticidal activity ofOriganum majoranaL. essential oil as anti-cholinergic agent

文献类型： 外文期刊

第一作者： Prabu, Sivaprasath

作者： Prabu, Sivaprasath;Jing, Dapeng;Chandran, Viswanathan;Chandran, Viswanathan;Mathew, Preethy

作者机构：

关键词： cis-beta-terpineol; Corcyra cephalonica; insecticidal activity; Origanum majorana; terpinen-4-ol

期刊名称：ENTOMOLOGICAL RESEARCH （ 影响因子：1.306； 五年影响因子：1.242 ）

ISSN： 1738-2297

年卷期： 2020 年 50 卷 8 期

页码：

收录情况： SCI

摘要： The present study was focused on exploring the presence of active compounds inOriganum majoranaessential oil (OmEO), and its various knock-down effects against the rice moth,Corcyra cephalonica. GC-MS analysis detected the existence of major compounds such as monoterpenes, cis-beta-terpineol and terpinen-4-ol with the total proportion of 52.16%. Fumigant toxicity against adult and larvae was calculated with an LC(50)value of 11.31 and 49.83 mu L/L air, respectively. The contact toxicity against adult, pupa, larvae and eggs was observed with LC(50)value 2.54, 0.95, 2.78, and 0.49 mu L/L, respectively. Furthermore, the influential repellent behavior against adults has been observed. Acetylesterase (AChE) inhibition activity ofOmEOwas observed against adult and larvae ofC. cephalonicawith an IC(50)value of 35.89 and 118.54 mu L/mL, respectively. Moreover, computational docking study revealed the binding affinity of Cis-beta-terpineol and terpinen-4-ol towards the active binding sites of AChE. On the other hand, Fluorescence-assisted cytometry and comet assay confirmed the cytotoxic and genotoxic effect ofOmEOat various concentrations onC. cephalonica. Altogether, the results showed the knock-down effect ofOmEOagainstC. cephalonica,and it could be a potential biocontrol measure against the stored product pest.

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