Variation in chemical composition and acaricidal activity against Dermanyssus gallinae of four eucalyptus essential oils

David R. George; Dino Masic; Olivier A.E. Sparagano; Jonathan H. Guy

doi:10.1007/s10493-008-9225-z

Variation in chemical composition and acaricidal activity against Dermanyssus gallinae of four eucalyptus essential oils

David R. George
, Dino Masic
, Olivier A.E. Sparagano
, Jonathan H. Guy

Newcastle University

Research output: Contribution to journal › Article › peer-review

28 Citations (Scopus)

Abstract

The results of this study suggest that certain eucalyptus essential oils may be of use as an alternative to synthetic acaricides in the management of the poultry red mite, Dermanyssus gallinae. At a level of 0.21 mg/cm2, the essential oil from Eucalyptus citriodora achieved 85% mortality in D. gallinae over a 24 h exposure period in contact toxicity tests. A further two essential oils from different eucalyptus species, namely E. globulus and E. radiata, provided significantly (P < 0.05) lower mite mortality (11 and 19%, respectively). Notable differences were found between the eucalyptus essential oils regarding their chemical compositions. There appeared to be a trend whereby the essential oils that were composed of the fewer chemical components were the least lethal to D. gallinae. It may therefore be the case that the complexity of an essential oil's chemical make up plays an important role in dictating the toxicity of that oil to pests such as D. gallinae.

Original language	English
Pages (from-to)	43-50
Number of pages	8
Journal	Experimental and Applied Acarology
Volume	48
Issue number	1-2
DOIs	https://doi.org/10.1007/s10493-008-9225-z
Publication status	Published - 1 Jun 2009
Externally published	Yes

Funding

Acknowledgments The authors would like to thank Mr. Paul Donohoe for GCMS analysis and Dr. Ed Okello for assistance with biochemical classification of essential oil constituents. This work was conducted as a satellite study to a project called MITEeHEN, for which funding is gratefully received from the Department of Environment, Food and Rural Affairs (UK).

Keywords

Botanical pesticide
Dermanyssus gallinae
Plant-derived product
Poultry red mite

ASJC Scopus subject areas

Ecology
Insect Science

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10.1007/s10493-008-9225-z

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title = "Variation in chemical composition and acaricidal activity against Dermanyssus gallinae of four eucalyptus essential oils",

abstract = "The results of this study suggest that certain eucalyptus essential oils may be of use as an alternative to synthetic acaricides in the management of the poultry red mite, Dermanyssus gallinae. At a level of 0.21 mg/cm2, the essential oil from Eucalyptus citriodora achieved 85\% mortality in D. gallinae over a 24 h exposure period in contact toxicity tests. A further two essential oils from different eucalyptus species, namely E. globulus and E. radiata, provided significantly (P < 0.05) lower mite mortality (11 and 19\%, respectively). Notable differences were found between the eucalyptus essential oils regarding their chemical compositions. There appeared to be a trend whereby the essential oils that were composed of the fewer chemical components were the least lethal to D. gallinae. It may therefore be the case that the complexity of an essential oil's chemical make up plays an important role in dictating the toxicity of that oil to pests such as D. gallinae.",

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AU - Guy, Jonathan H.

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N2 - The results of this study suggest that certain eucalyptus essential oils may be of use as an alternative to synthetic acaricides in the management of the poultry red mite, Dermanyssus gallinae. At a level of 0.21 mg/cm2, the essential oil from Eucalyptus citriodora achieved 85% mortality in D. gallinae over a 24 h exposure period in contact toxicity tests. A further two essential oils from different eucalyptus species, namely E. globulus and E. radiata, provided significantly (P < 0.05) lower mite mortality (11 and 19%, respectively). Notable differences were found between the eucalyptus essential oils regarding their chemical compositions. There appeared to be a trend whereby the essential oils that were composed of the fewer chemical components were the least lethal to D. gallinae. It may therefore be the case that the complexity of an essential oil's chemical make up plays an important role in dictating the toxicity of that oil to pests such as D. gallinae.

AB - The results of this study suggest that certain eucalyptus essential oils may be of use as an alternative to synthetic acaricides in the management of the poultry red mite, Dermanyssus gallinae. At a level of 0.21 mg/cm2, the essential oil from Eucalyptus citriodora achieved 85% mortality in D. gallinae over a 24 h exposure period in contact toxicity tests. A further two essential oils from different eucalyptus species, namely E. globulus and E. radiata, provided significantly (P < 0.05) lower mite mortality (11 and 19%, respectively). Notable differences were found between the eucalyptus essential oils regarding their chemical compositions. There appeared to be a trend whereby the essential oils that were composed of the fewer chemical components were the least lethal to D. gallinae. It may therefore be the case that the complexity of an essential oil's chemical make up plays an important role in dictating the toxicity of that oil to pests such as D. gallinae.

KW - Botanical pesticide

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Variation in chemical composition and acaricidal activity against Dermanyssus gallinae of four eucalyptus essential oils

Abstract

Funding

Keywords

ASJC Scopus subject areas

Access to Document

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