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Journal of Entomology and Zoology Studies
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ISSN Print: 2349-6800 | ISSN Online: 2320-7078

Journal of Entomology and Zoology Studies

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2014, Vol. 2, Issue 3
Evaluation of fumigant toxicity of essential oils of Chinese medicinal herbs against Bemisia tabaci (Gennadius) (Hemiptera: Aleyrodidae)

Xin Chao Liu, Jin Feng Hu, Ligang Zhou and Zhi Long Liu

Essential oils of sixteen Chinese medicinal plants were screened for fumigant toxicity against Bemisia tabaci. The essential oil of Allium sativum exhibited the strongest fumigant activity against B. tabaci with an LC50 value of 0.11 μg/l followed by the essential oils of Agastache rugosa (LC50 = 7.08 μg/l), Illicium verum (LC50 = 8.61 μg/l), Chenopodium ambrosioides (LC50 = 8.80 μg/l), and Syzygium aromaticum (LC50 = 13.54 μg/l). Three essential oils (Curcuma aeruginosa, Schizonepeta tenuifolia and Valeriana officinalis) did not show fumigant toxicity at a concentration of 50.00 μg/l. Chemical composition of garlic essential oil was determined using GC-MS. Two main constituents of the garlic oil, diallyl trisulfide and diallyl disulfide exhibited strong fumigant toxicity against the whitefly with LC50 values of 0.08 μg/l and 0.12 μg/l, respectively while diallyl sulfide has a LC50 value of 1.68 μg/l.
Pages : 164-169 | 861 Views | 11 Downloads
How to cite this article:
Xin Chao Liu, Jin Feng Hu, Ligang Zhou, Zhi Long Liu. Evaluation of fumigant toxicity of essential oils of Chinese medicinal herbs against Bemisia tabaci (Gennadius) (Hemiptera: Aleyrodidae). J Entomol Zool Stud 2014;2(3):164-169.
Journal of Entomology and Zoology Studies
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