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Towards new botanical pesticides: the toxic effect of Eremanthus goyazensis (Asteraceae) leaves essential oil against Brevipalpus phoenicis (Acari: Tenuipalpidae)
Journal article published in 2012 by
Edson Luiz Lopes Baldin,
Baldin,Edson L. L.,
Efrain S. Souza,
José Paulo G. F. Silva,
Souza,Efrain S.,
Silva,José Paulo G. F.,
Pavarini,Daniel P.,
Daniel P. Pavarini 
,
Norberto P. Lopes,
Lopes,Norberto P.,
Lopes,João L. C.,
João L. C. Lopes,
Gustavo H. B. Souza,
Souza,Gustavo H. B.
,
Norberto P. Lopes,
Lopes,Norberto P.,
Lopes,João L. C.,
João L. C. Lopes,
Gustavo H. B. Souza,
Souza,Gustavo H. B.
Abstract
This work reports the chemical characterization of Eremanthusgoyzensis essential oil and its toxic effect over Brevipalpus phoenicis. The essential oil displayed a major composition of sesquiterpenes (61.87%) including trans-caryophillene (26.81%) and germacrene-D (13.31%). The fumigation test indicated a promising bioactivity over adult B. phoenicis individuals at 24 h (2.03 µL/L of air) and 48 h (1.08 µL/L of air) of exposition. A brief discussion of essential oils composition and their singular role on the toxic effect over B. phoenicis is provided here. Our results may contribute to a new and profitable use of a species of Brazilian flora on agribusiness.