Repellent activity of essential oils against cockroaches (Dictyoptera: Blattidae, Blattellidae, and Blaberidae) in Thailand.
Southeast Asian J Trop Med Public Health
;
2007 Jul; 38(4): 663-73
Artigo
em Inglês
| IMSEAR
| ID: sea-32192
ABSTRACT
Seven commercial essential oils extracted from the plant species Boesenbergia rotunda (L.) Mansf., Citrus hystrix DC., Curcuma longa L., Litsea cubeba (Lour.) Pers., Piper nigrum L., Psidium guajava L. and Zingiber officinale Roscoe, and naphthalene as a control, were evaluated for repellent activity against the three cockroach species Periplaneta americana (L.), Blattella germanica (L.) and Neostylopyga rhombifolia (Stoll) under laboratory conditions. The essential oil derived from Citrus hystrix showed the best repellency over other candidate essential oils and naphthalene. The essential oil of Citrus hystrix exhibited complete repellency (100%) against P. americana and B. germanica, and also showed the highest repellency (among the essential oils tested) of about 87.5% against N. rhombifolia under laboratory conditions. In the field, Citrus hystrix essential oil formulated as a 20% active ingredient in ethanol and some additives provided satisfactory repellency of up to 86% reduction in cockroaches, mostly P. americana and N. rhombifolia with a residual effect lasting a week after treatment. Citrus hystrix essential oil has good potential for being used as a cockroach repellent. Further improvements in efficacy and residual activity may be realized with appropriate formulations.
Texto completo:
DisponíveL
Índice:
IMSEAR (Sudeste Asiático)
Assunto principal:
Tailândia
/
Óleos de Plantas
/
Óleos Voláteis
/
Extratos Vegetais
/
Citrus
/
Baratas
/
Zingiber officinale
/
Piper nigrum
/
Zingiberaceae
/
Curcuma
País/Região como assunto:
Ásia
Idioma:
Inglês
Revista:
Southeast Asian J Trop Med Public Health
Ano de publicação:
2007
Tipo de documento:
Artigo
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