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J Econ Entomol. 2003 Oct;96(5):1479-84.

Toxicity of plant essential oils to Trialeurodes vaporariorum (Homoptera: Aleyrodidae).

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  • 1School of Agricultural Biotechnology, Seoul National University, Suwon 441-744, Republic of Korea.

Abstract

A total of 53 plant essential oils were tested for their insecticidal activities against eggs, nymphs, and adults of Trialeurodes vaporariorum Westwood, using an impregnated filter paper bioassays without allowing direct contact. Responses varied according to oil type and dose, and developmental stage of the insect. Bay, caraway seed, clove leaf, lemon eucalyptus, lime dis 5 F, pennyroyal, peppermint, rosewood, spearmint, and tea tree oils were highly effective against T. vaporariorum adults, nymphs, and eggs at 0.0023, 0.0093, and 0.0047 microl/ml air, respectively. These results indicate that the mode of delivery of these essential oils was largely a result of action in the vapor phase. Significant correlations among adulticidal, nymphicidal, and ovicidal activities of the test oils were observed. The essential oils described herein merit further study as potential fumigants for T. vaporariorum control.

PMID:
14650521
[PubMed - indexed for MEDLINE]

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