Biological activity of the essential oil from the leaves of Piper sarmentosum Roxb. (Piperaceae) and its chemical constituents on Brontispa longissima (Gestro) (Coleoptera: Hispidae)
文献类型: 外文期刊
作者: Qin, Weiquan 1 ; Huang, Shanchun 1 ; Li, Chaoxu 1 ; Chen, Siting 1 ; Peng, Zhengqiang 2 ;
作者机构: 1.Chinese Acad Trop Agr Sci, Coconut Res Inst, Wenchang 571339, Peoples R China
2.Chinese Acad Trop Agr Sci, Environm & Plant Protect Res Inst, Danzhou 571737, Peoples R China
关键词: Piper;essential oils;plant extracts;chemical composition;Brontispa;insect pests;plant pests;toxicity;antifeedants;enzyme activity;insect growth;insect development
期刊名称:PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY ( 影响因子:3.963; 五年影响因子:4.454 )
ISSN:
年卷期:
页码:
收录情况: SCI
摘要: The results showed that the essential oil from Piper sarmentosum has strong antifeedant and toxicity effects on Brontispa longissima. The best antifeedant and contact toxicity effects were observed in the 1st2nd instar larvae. The essential oil also displayed a notable fumigation effect on the eggs and pupae of B. longissima. It took the control-treated insects 43.34 d to complete one generation, while the insects treated with 2000 mg/L essential oil needed 73.58 d. The essential oil was analyzed by gas chromatography/mass spectrometry and 41 components were identified. Myristicin (65.22%) and trans-caryophyllene (13.89%) were the major components. Myristicin exhibited strong antifeedant and contact toxicity effects on both the 3rd instar larvae and the imagoes of B. longissima, when it showed a significant fumigation effect on the eggs and pupae of B. longissima. Another P. sarmentosum essential oil and myristicin all showed a strong inhibiting effect on the growth and development of B. longissima along with the activity of AChE, CarE, GSTs and Na+, K+-ATPase in B. longissima larvae.
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