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Vet Parasitol. 2015 Sep 15;212(3-4):324-30. doi: 10.1016/j.vetpar.2015.08.022. Epub 2015 Aug 24.

Acaricidal properties of vetiver essential oil from Chrysopogon zizanioides (Poaceae) against the tick species Amblyomma cajennense and Rhipicephalus (Boophilus) microplus (Acari: Ixodidae).

Author information

  • 1Departamento de Engenharia Agronômica, Universidade Federal de Sergipe, Av. Marechal Rondon s/n, 49100-000, São Cristóvão, SE, Brazil.
  • 2Departamento de Ecologia, Universidade Federal de Sergipe, Av. Marechal Rondon s/n, 49100-000, São Cristóvão, SE, Brazil.
  • 3Departamento de Química, Universidade Federal de Sergipe, Av. Marechal Rondon s/n, 49100-000, São Cristóvão, SE, Brazil.
  • 4Instituto de Ciências Biológicas e da Saúde, Universidade Federal de Viçosa, Campus Rio Paranaíba, Rodovia BR 354, Km 310, 38810-000, Rio Paranaiba, MG, Brazil.
  • 5Departamento de Engenharia Agronômica, Universidade Federal de Sergipe, Av. Marechal Rondon s/n, 49100-000, São Cristóvão, SE, Brazil. Electronic address: bacci.ufs@gmail.com.

Abstract

Ticks are arthropods widely distributed in tropical and subtropical regions, which can transmit infectious agents also responsible for zoonoses. Excessive use of conventional acaricides has resulted in the onset of drug resistance by these parasites, thus the need to use alternative methods for their control. This study evaluated the acaricidal activities of Chrysopogon zizanioides (vetiver) essential oils containing different zizanoic and khuzimol (high and low acidity) acid concentrations on Amblyomma cajennense and Rhipicephalus microplus (Acari: Ixodidae). To this aims, toxicity tests of different concentrations of examined essential oils were conducted on adult females and larval stages. Results showed that the essential oils of C. zizanioides with high and low acidity reduced oviposition of females, eggs hatch and larval survival, being more effective than some commercial products widely used to control these ectoparasites. These results indicate that the C. zizanoides essential oils are promising candidates as acaricidal agents and represent also an add value to vetiver oil with high acidity, which is commercially undervalued in the cosmetic industry.

KEYWORDS:

Alternative control; Ticks; Toxicity; Vetiver

PMID:
26359641
DOI:
10.1016/j.vetpar.2015.08.022
[PubMed - indexed for MEDLINE]
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