毛茛醇提物和水合木耳醇提物对桃灰蛾杀螨活性的初步研究

M. A. Taha, Asmaa Ali Baioumy Ali
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引用次数: 4

摘要

本研究研究了两种隐门属植物(蕨类植物Adiantum capillus-veneris)和苔类植物(Funaria hygrometrica)不同浓度(1%、2%、3%和4%)的乙醇和甲醇提取物对田间采集的半采食(远离寄主的)巴西银蛾(Argas persicus)雌虫的杀螨活性。用浸渍法测定不同浓度提取物处理后30 d,每隔2天记录活动、不活动和死亡雌性的百分比。结果表明,与对照相比,不同浓度的提取物均显著降低了蜱的流动率,显著提高了蜱的死亡率。毛细刺和湿湿刺提取物的杀螨效果可能是由于其含有许多对蜱具有高潜力的活性植物化学成分。在最高浓度(4%)下,两种植物的甲醇提取物对蜱虫的死亡率均高于乙醇提取物,对毛茛蜱虫的死亡率为100%,对湿化蜱虫的死亡率为50%。因此,我们推荐使用浓度为4%的毛蕊草甲醇提取物作为中草药农药,具有理想农药的所有特性;有效(100%杀螨活性),容易获得,便宜,可生物降解(环保),并且不会对哺乳动物造成毒性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
The First Study for The Acaricidal Activity of Alcoholic Extracts of Adiantum capillus-veneris and Funaria hygrometric against Argas persicus
The present study was conducted to investigate the acaricidal activity of ethanolic and methanolic extracts of two Cryptogams plants, namely Adiantum capillus-veneris (fern plant) and Funaria hygrometrica (moss plant) at different concentrations (1%, 2%, 3%, and 4%) on semi-fed females of Argas persicus (away from their hosts) collected from the field. The percentages of mobile, immobile, and dead females were recorded two-day intervals for 30 days after treatment with all extracts assayed at different concentrations, using the dipping method. The results indicated that all extracts at different concentrations caused a significant decrease in the percentages of mobile ticks and a significant increase in the percentages of dead ones when compared with the control. The acaricidal efficacy of A. capillus-veneris and F. hygrometrica extracts may be attributed to their contents of many active phytochemical constituents that having high potential against ticks. At the highest concentration (4%), the percentage of tick mortality for methanolic extract was more efficient than ethanolic one for both plants recording 100% efficiency for A. capillus-veneris and 50% for F. hygrometrica. So, we recommended using A. capillus-veneris methanolic extract at 4% as a herbal pesticide against A. persicus which have all characters of ideal pesticides; effective (100% acaricidal activity), easily available, cheap, biodegradable (eco-friendly), and do not cause mammalian toxicity.
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