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Effect Of Some Plant Extracts on Mortality of Mosquitoes Culex pusillus Macquart Larvae | ||
| basrah journal of science | ||
| Article 1, Volume 29, Issue 1, 2011, Pages 119-126 PDF (0 K) | ||
| Authors | ||
| Usama Ali muhessin; Salih mahde kidem | ||
| Abstract | ||
| This study was conducted to evaluate the effect of aqueous extracts and exposure time of 6 plant species ( Peganum harmala, Achilla santolina, Plantago lonceolata, Citrullus colocynthis, Teucrium polium and Juniperus communis) on mortality of 4th instar larvae of Culex pusillus. The results showed that A.santolina extract had the highest effect against mosquitoe’s larves with significant difference from other plant extracts, which cause highest killing ratio 96.67% and 100% after 24 and 48 hours of treatment ,respectively. In addition, the study showed that P.lonceolata extract had the least effect on larves which was 0% for both exposure time. As well as, it was found that larvae mortality is proportional with the exposure time of studied plant extracts. For P.harmala extract, the mortality ratio was increased from 13.33% after 24 hours to 40% after 48 hours, while, T.polium increased it from 10% to 30% for 24 and 48 hours, respectively. | ||
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