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Molecules 2015, 20(1), 1676-1685; doi:10.3390/molecules20011676

Contact Toxicity and Repellency of the Essential Oil of Liriope muscari (DECN.) Bailey against Three Insect Tobacco Storage Pests

1
Technical Center of China Tobacco Guangxi Industrial Co., Ltd, Nanning 530001, Guangxi, China
2
Beijing Key Laboratory of Traditional Chinese Medicine Protection and Utilization, Beijing Normal University, No.19 Xinjiekouwai Street, Beijing 100875, China
*
Author to whom correspondence should be addressed.
Academic Editor: Luca Forti
Received: 13 December 2014 / Accepted: 15 January 2015 / Published: 20 January 2015
(This article belongs to the Collection Recent Advances in Flavors and Fragrances)
View Full-Text   |   Download PDF [685 KB, uploaded 20 January 2015]

Abstract

In order to find and develop new botanical pesticides against tobacco storage pests, bioactivity screening was performed. The essential oil obtained from the aerial parts of Liriope muscari was investigated by GC/MS and GC/FID. A total of 14 components representing 96.12% of the oil were identified and the main compounds in the oil were found to be methyl eugenol (42.15%) and safrole (17.15%), followed by myristicin (14.18%) and 3,5-dimethoxytoluene (10.60%). After screening, the essential oil exhibit potential insecticidal activity. In the progress of assay, it showed that the essential oil exhibited potent contact toxicity against Tribolium castaneum, Lasioderma serricorne and Liposcelis bostrychophila adults, with LD50 values of 13.36, 11.28 µg/adult and 21.37 µg/cm2, respectively. The essential oil also exhibited strong repellency against the three stored product insects. At the same concentrations, the essential oil was more repellent to T. castaneum than to L. serricorne adults. The results indicate that the essential oil of Liriope muscari has potential to be developed into a natural insecticide or repellent for controlling insects in stored tobacco and traditional Chinese medicinal materials. View Full-Text
Keywords: Liriope muscari; contact activity; repellency; essential oil composition; stored product insects Liriope muscari; contact activity; repellency; essential oil composition; stored product insects
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Wu, Y.; Zhang, W.-J.; Wang, P.-J.; Yang, K.; Huang, D.-Y.; Wei, J.-Y.; Tian, Z.-F.; Bai, J.-F.; Du, S.-S. Contact Toxicity and Repellency of the Essential Oil of Liriope muscari (DECN.) Bailey against Three Insect Tobacco Storage Pests. Molecules 2015, 20, 1676-1685.

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