Toxicity of Lanthanum to Pathogenic Fungi and Its Morphological Characteristics

文献类型: 外文期刊

第一作者: Mu Kangguo

作者: Mu Kangguo;Zhao Xiuqin;Hu Lin;Zhang Fusuo;Zhang Wenji;Cui Jianyu

作者机构:

关键词: pathogenic fungi;inhibition;lanthanum;toxicity;scanning electronic microscope;morphological toxicity;rare earths

期刊名称:JOURNAL OF RARE EARTHS ( 影响因子:3.712; 五年影响因子:3.326 )

ISSN:

年卷期:

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收录情况: SCI

摘要: The inhibitory effects of La on the myeelial growth of several soil-borne pathogenic fungi including Rhizoctonia solani , Pythium sp. , Fusarium solani , Selerotinia sclerotiorum , and Fusarium oxyspoxum were studied in vitro. The results show that the myeelial growth was inhibited strongly by the La, with EC_(50) of 130 ~ 320 mg centre dot L~(-1) and EC_(95) of about 550 ~ 40007 mg centre dot L~(-1) respectively. In addition, the morphological toxicity of La was studied by using the scanning electronic microscope. Treated by La, the myeelial growth of pathogenic fungi was significantly restrained, and the morphological characteristics were found to be abnormal, such as increased ramification, malformation, partial swelling and shrinking , and irregularly entangled myeelial block or rhizomorph.

分类号: F40

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