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Inhibition of the growth and development of mosquito larvae of Culex quinquefasciatus(Diptera:Culicidae) treated with extract from leaves of Pseudocalymma alliaceum(Bignonaceae)

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Asian Pacific Journal of Tropical Medicine 2014年第8期7卷 594-601页

作者： Carlos Granados-Echegoyen Rafael Pérez-Pacheco Marcos Soto-Hernndez Jaime Ruiz-Vega Luicita Lagunez-Rivera Nancy Alonso-Hernandez Rene Gato-Armas CIIDIR-OAXACA Instituto Poluécnico NacionalCalle Hornos 1003Santa CruzXoxocotlnOaxacaMéxico.C.P.71230 Colegio de Postgraduados MontecilloEstada de MéxicoMexico Institute de Medicina Tropical "Pedro Kouri" La HabanaCuba

Objective:To determine larvicidal activity of the essential oil,hydrolat and botanical extracts derived from leaves ol Pseudocalymma alliaceum an mosquito larvae of Culex ***:Groups of twenty lanae were used in the larvicidal *** mortality,relative growth rate,the larval and pupal duration and viability was *** essential oil was analyzed by solid phase microextraction using gas chromatography coupled to mass ***:Essential oil at 800 ppm showed larvicidal activity at 24 h with lethal values of LC_(50) and LC_(90) of 267.33 and 493.63 *** hvdrolat at 20% and 10% on 2nd stage larvae showed 100%effectiveness after 24 *** aqueous extract at 10% had a relative growth index of *** the ethanolic and methanolic extract obtained values of 0.76 and 0.70 and control reached *** treated with 10% of methanol,ethanol and aqueous extract showed a reduction in larval duration of 5.00,2.20 and 4.35 days;ethanol extract at 1% provoke decrease of 2.40 days in the development and exhibited an increment of 3.30 days when treated with 0.01%.Aqueous,ethanol and methanol extracts at 10%reduced in 6.15,3.42 and 5.57 days pupal *** main compounds were diallyl disulfide(50.05%),diallyl sulfide(11.77%) and disulfide di-2-propenyl(10.37%).Conclusions:The study demonstrated for the first time,the larvicidal activity of the essential oil and hydrolat of Pseudocalymma alliaceum:aqueous,ethanol and methanol extracts inhibited the normal growth and development of mosquito larvae,prolonging and delaying larval and pupal duration.

关键词： pseudocallyma Mosquito control growth inhibition Botanical extracts Essential oils Hydrolat

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