Acaricidal activity of different extracts from Syzygium cumini L.Skeels(Pomposia) against Tetranychus urticae Koch

查看全文 作　　者：Abd El-Moneim MR [1]Afify;Hossam S El-[1]Beltagi;Sayed A [1]Fayed;Emad A [1]Shalaby

机构地区：[1]Department of Biochemistry,Faculty of Agriculture,Cairo University

出　　处：《Asian Pacific Journal of Tropical Biomedicine》索引2011年第1卷第5期,共6页

基　　金：Supported by Scientific Research Sector.Faculty of Agriculture.Cairo University 摘　　要：Objective:To investigate the acaricidal activity of different extracts from Syzygium cumini(S.cumini)(Pomposia)againsst Tetranyckus urticae Koch(71 urticae)and the biochemical changes in antioxidants enzymes.Methods:Six extracts of S.cumini(Pomposia)at concentrations of 75,150 and 300μg/mL were used to control T.urticae(Koch).Results:The ethanol extract showed the most efficient acaricidal activity agent against T.urticae(98.5%)followed by hexane extract(94.0%),ether and ethyl acetate extract(90.0%).The LC_(50)values of the promising extract-were 85.0,101.0,102.0 and 98.0μ/mL,respectively.The activities of enzymes including ascorbate peroxidase(APX),peroxidase(POD),superoxide dismutase(SOD)and catalase(CAT)in susceptible mites were increased.The activities of all antioxidant enzymes reach the maximum value in mites at LC_(50)with ethanol and ethyl acetate extracts,respectively.Conclusions:The extract of S.cumini has acaricidal acivity against T.urticae,and the ethanol extract is the most efficient. 关键词：TETRANYCHUS urticae SYZYGIUM cumini Successive EXTRACTS ANTIOXIDANT ENZYMES

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Acaricidal activity of different extracts from Syzygium cumini L.Skeels(Pomposia) against Tetranychus urticae Koch

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