Larvicidal Effects of Citrus Peels Extracts against Culex Pipiens Mosquitoes

A. Obembe, O. Oso
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引用次数: 0

Abstract

Background: Mosquitoes transmit severe diseases such as malaria, lymphatic filariasis, dengue fever, and yellow fever. These diseases result in significant morbidity and mortality in humans around the world. This study aimed to provide information on the larvicidal potential of different Citrus species peels against Culex mosquito larvae.Methods: Ethanol extracts of the peels of four Citrus species, such as Citrus sinensis (sweet orange), Citrus reticulata (tangerine), Citrus latifolia (lime), and Citrus paradisi (grape) fruits were tested for larvicidal properties against Culex pipiens at different concentration (3 mg, 5 mg, 7 mg and 8 mg in 100 mL) on 25 larva per concentration. Percentage mortality was recorded for each of the concentrations used. Results: Only Culex latifolia induced the death of all the mosquito larvae (100%) at 5 mg/mL concentration of the extract, meanwhile Culex reticulata resulted in the lowest mortality rate (80%). However, a hundred percent (100%) mortality of the larvae, was observed at 8 mg/mL of all the types of extracts evaluated.Conclusion: The result indicates that the peels of these Citrus species, especially Culex latifolia, hold potential for control of Culex pipiens mosquito larvae.
柑桔皮提取物对淡库蚊的杀幼虫效果
背景:蚊子传播严重疾病,如疟疾、淋巴丝虫病、登革热和黄热病。这些疾病在世界各地的人类中造成严重的发病率和死亡率。本研究旨在了解不同柑橘品种果皮对库蚊幼虫的杀虫效果。方法:以甜橙、柑桔、酸橙、葡萄4种柑桔果皮乙醇提取物为对照,分别以3mg、5mg、7mg、8mg / 100ml的浓度对25只幼虫进行杀虫试验。记录了所使用的每种浓度的死亡率百分比。结果:在浓度为5 mg/mL的浓度下,只有大叶库蚊的幼虫全部死亡(100%),而网状库蚊的死亡率最低(80%)。在8 mg/mL浓度下,幼虫死亡率均为100%。结论:柑橘皮对淡纹库蚊幼虫有一定的防制作用,其中以黑叶库蚊为最。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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