Larvicidal and ovicidal activity of carvacrol, p-cymene, and gamma-terpinene from Origanum vulgare essential oil against the cotton bollworm, Helicoverpa armigera (Hubner)
文献类型： 外文期刊
作者： Gong, Xue 1 ; Ren, Yujian 1 ;
作者机构： 1.Zhejiang Acad Agr Sci, State Key Lab Managing Biot & Chem Threats Qual &, Inst Virol & Biotechnol, Hangzhou 310021, Peoples R China
2.Zhejiang A&F Univ, Hangzhou 311300, Peoples R China
关键词： Origanum vulgare; Helicoverpa armigera; Botanical insecticides; Larvicidal activity; Ovicidal activity; Carvacrol
期刊名称：ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH （ 影响因子：4.223； 五年影响因子：4.306 ）
ISSN： 0944-1344
年卷期：
页码：
收录情况： SCI
摘要： This study evaluated the larvicidal activity, and ovicidal activity of Origanum vulgare EO and its major components against the cotton bollworm, Helicoverpa armigera. The chemical composition of the O. vulgare EO was analyzed by gas chromatography-mass spectroscopy. GC-MS analysis revealed that the O. vulgare EO was composed of ten compounds. The major constituents were carvacrol (78.35%), followed by p-cymene (6.85%) and gamma-terpinene (3.70%). In larvicidal activity assay, the O. vulgare EO achieved a LC50 value of 265.51 mu g/ml. The three major constituents from the O. vulgare EO were tested individually for toxicity against larvae of H. armigera. Carvacrol, p-cymene, and gamma-terpinene appeared to be most effective against H. armigera, with LC50 values of 51.53, 121.32, and 150.15 mu g/ml, respectively. Moreover, EC50 values of carvacrol, p-cymene, and gamma-terpinene against H. armigera eggs were 33.48, 47.85, and 56.54 mu g/ml, respectively. Overall, this study showed that O. vulgare EO and its major constituents have the potential to develop as new eco-friendly insecticides against H. armigera.
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