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美人蕉根系对铜绿微囊藻的化感作用

潘 琦 邹国燕 宋祥甫 中井智司 付子轼

潘 琦, 邹国燕, 宋祥甫, 中井智司, 付子轼. 美人蕉根系对铜绿微囊藻的化感作用[J]. 环境科学研究, 2014, 27(10): 1193-1198.
引用本文: 潘 琦, 邹国燕, 宋祥甫, 中井智司, 付子轼. 美人蕉根系对铜绿微囊藻的化感作用[J]. 环境科学研究, 2014, 27(10): 1193-1198.
PAN Qi, ZOU Guo-yan, SONG Xiang-fu, NAKAI Satoshi, FU Zi-shi. Inhibitory Effects of the Roots of Floating Bed Plants of Canna indica on Microcystis aeruginosa[J]. Research of Environmental Sciences, 2014, 27(10): 1193-1198.
Citation: PAN Qi, ZOU Guo-yan, SONG Xiang-fu, NAKAI Satoshi, FU Zi-shi. Inhibitory Effects of the Roots of Floating Bed Plants of Canna indica on Microcystis aeruginosa[J]. Research of Environmental Sciences, 2014, 27(10): 1193-1198.

美人蕉根系对铜绿微囊藻的化感作用

基金项目: 国家自然科学基金项目(20477028);国家水体污染控制与治理科技重大专项(2012ZX07101-009)

Inhibitory Effects of the Roots of Floating Bed Plants of Canna indica on Microcystis aeruginosa

  • 摘要: 通过在铜绿微囊藻(Microcystis aeruginosa)培养物中添加美人蕉(Canna indica)种植水的方式,研究了美人蕉种植水对铜绿微囊藻的抑制效应. 结果表明:①以蒸馏水培养3 d收集获得的美人蕉种植水对铜绿微囊藻的生长有明显的抑制作用; 在与铜绿微囊藻共培养20 d后,美人蕉种植水对铜绿微囊藻的抑制率最高可达64.4%,对照组铜绿微囊藻中ρ(Chla)是种植水的1.98倍. ②美人蕉种植水(根系分泌物)中有乳酸、己二酸、棕榈酸、乙二醇和硬脂酸等10种脂肪酸,其根系提取物中有乳酸、3-儿茶酚乳酸、亚油酸和棕榈酸等19种物质. ③美人蕉种植水和根系提取物中乳酸含量均最高,美人蕉根系提取物中化合物种类多于种植水,美人蕉种植水中绝大部分化合物在其根系提取物中均可找到. 推断美人蕉自身代谢产生的化感物质释放于水体中,可有效抑制铜绿微囊藻的正常生长.

     

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出版历程
  • 收稿日期:  2013-11-14
  • 修回日期:  2014-05-24
  • 刊出日期:  2014-10-25

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