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Allelopathic Effects on Microcystis aeruginosa and Allelochemical Identification in the Cuture Solutions of Typical Artificial Floating-Bed Plants

文献类型： 外文期刊

作者： Zhou, Li 1 ; Chen, Guifa 1 ; Cui, Naxin 1 ; Pan, Qi 1 ; Song, Xiangfu 1 ; Zou, Guoyan 1 ;

作者机构： 1.Shanghai Acad Agr Sci, Ecoenvironm Protect Res Inst, Shanghai 201403, Peoples R China

2.Shanghai Engn Res Ctr Low Carbon Agr, Shanghai 201403, Peoples R China

关键词： Allelopathy; Cyperus alternifolius; Canna generalis; Microcystis aeruginosa; Allelochemicals

期刊名称：BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY （ 影响因子：2.151； 五年影响因子：2.129 ）

ISSN： 0007-4861

年卷期： 2019 年 102 卷 1 期

页码：

收录情况： SCI

摘要： Cyperus alternifolius (C. alternifolius) and Canna generalis (C. generalis) are widely used as artificial floating-bed (AFB) plants for water pollution control. This study evaluated the release of anti-cyanobacterial allelochemicals from both plants in AFB systems. A series of cyanobacterial assays using pure culture solutions and extracts of culture solutions of C. alternifolius and C. generalis demonstrated allelopathic growth inhibition of a cyanobacterium M. aeruginosa. After 45days of incubation by the culture solutions, both final inhibitory rates of M. aeruginosa were more than 99.6% compared with that of the control groups. GC/MS analyses indicated the presence of a total of 15 kinds of compounds, including fatty acids and phenolic compounds, in both plants' culture solutions, which are are anti-cyanobacterial. These findings provide a basis to apply artificial floating-bed plants for cyanobacterial inhibition using allelopathic effects.

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