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《Journal of Tianjin Normal University(Natural Science Edition)》 2007-01
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On Fungistasis of the Extracts from Helianthemum ordosicum for Pathogenic Germs of Plants

TIAN Lei,YANG Jing,LIU Qiang,GAO Wen-fang(College of Chemistry and Life Science,Tianjin Normal University,Tianjin 300074,China)  
The bioactivitities of 6 kinds of different solvent extracts from Helianthemum ordosicum against Fusarium oxysporum,Verticillium dahliae V43-1,Alternaria kikuchiana and Penicillium expansum were studied in laboratory with growth rate method.The results showed that antibacterial activities of different extracts had remarkably significant difference.The ethyl acetate extracts had the strongest fungistasis for all 4 species of fungi,and the highest inhibition rate achieved 100% on both Verticillium dahliae V43-1 and Fusarium oxysporum,while the lowest achieved 74% on Alternaria kikuchiana.Secondly,the fungistasis of boiling water extracts was merely smaller than ethyl acetate extracts,which was greater than that of other extracts.The antibacterial activities of ethyl acetate extracts with different concentration on Verticillium dahliae V43-1 was the best and the MIC was about 5 g/L.
【Fund】: 国家自然科学金资助项目(30760018 30060011 30570344)
【CateGory Index】: S482.2
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