Fumigant Activity of Plant Essential Oils and Components from Schizonepeta Tenuifolia Against Lycoriella Ingenua (Diptera: Sciaridae).
From: Division of Forest Insect Pests and Diseases, Korea Forest Research Institute, Seoul 130-012, Republic of Korea. parkikl@foa.go.kr
Journal of economic entomology
- Publish Date: Oct 2006
- ISSN: 0022-0493
- Volume: 99
- Issue: 5
- Pages: 1717-21
- Medium: Print
- Language: English
- Citation (JAMA): Park Il-Kwon, Kim Lee-Sum, Choi In-Ho, et al. Fumigant Activity of Plant Essential Oils and Components from Schizonepeta Tenuifolia Against Lycoriella Ingenua (Diptera: Sciaridae).. J. Econ. Entomol. Oct 2006;99:1717-21
Abstract
Plant essential oils from 21 plant species were tested for their insecticidal activities against larvae of Lycoriella ingenua Dufour (Diptera: Sciaridae) by using a fumigation bioassay. Good insecticidal activity against larvae of L. ingenua was achieved with essential oils of Acorus gramineus Solander, Schizonepeta tenuifolia Briquet, and Zanthoxylum piperitum De Candolle at 25 microg/ml air. S. tenuifolia oil showed the most potent insecticidal activity among the plant essential oils. At 12.5 microg/ml air concentration, S. tenuifolia oil caused 96.6% mortality, but mortality decreased to 60% at 3.125 microg/ml air. Analysis by gas chromatography-mass spectrometry led to identification of three major compounds from S. tenuifolia oil. These three compounds were tested individually for their insecticidal activities against larvae of L. ingenua and compared with the toxicity of dichlorvos. Pulegone was the most toxic, followed by menthone and limonene with LC50 values of 1.21, 6.03, and 15.42 microg/ml, respectively. LC50 of dichlorvos was 8.13 microg/ml. Effects of S. tenuifolia and its components on growth of Pleurotus ostreatus (Jacq. ex Fr.) Kummer also were investigated.
Mesh Headings (Keywords): Animals, Araceae, Diptera, Fumigation, Fungicides, Industrial, Insecticides, Lamiaceae, Larva, Oils, Volatile, Pleurotus, Zanthoxylum
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