| 梭鱼草化感物质丁二酸、肉桂酸及香草酸对铜绿微囊藻生长的抑制效应 |
| |
| 引用本文： | 赵楚,钱燕萍,田如男.梭鱼草化感物质丁二酸、肉桂酸及香草酸对铜绿微囊藻生长的抑制效应[J].浙江农林大学学报,2020,37(6):1105-1111. |
| |
| 作者姓名： | 赵楚 钱燕萍 田如男 |
| |
| 作者单位： | 1.南京林业大学 风景园林学院，江苏 南京 2100372.南京晓庄学院 环境科学学院，江苏 南京 210000 |
| |
| 基金项目： | 国家自然科学基金资助项目(31670698); 江苏高校“青蓝工程”(201705); 江苏高校优势学科建设工程联合资助项目(201811) |
| |
| 摘 要： | 目的 探讨从梭鱼草Pontederia cordata根状茎中分离鉴定出的3种有机酸类化感物质对铜绿微囊藻Microcystis aeruginosa生长的影响。 方法 以丁二酸、肉桂酸及香草酸标准品模拟研究了梭鱼草根状茎有机酸单一及联合处理对铜绿微囊藻生长的影响。 结果 ①丁二酸、肉桂酸、香草酸单一及联合处理均可以有效抑制铜绿微囊藻的生长，以100 mg·L?1丁二酸+肉桂酸联合处理7 d时抑藻率最高(92.78%)。②3种有机酸类化感物质单一作用时，其抑藻能力从高到低依次为肉桂酸、丁二酸、香草酸；联合作用时，其抑藻能力从高到低依次为丁二酸+肉桂酸、肉桂酸+香草酸、丁二酸+肉桂酸+香草酸、丁二酸+香草酸，同时香草酸可以在一定程度上削弱丁二酸+肉桂酸对铜绿微囊藻生长的抑制效应。③丁二酸与酚酸(肉桂酸、香草酸)、肉桂酸与香草酸及三者联合可以协同增强对铜绿微囊藻的抑制效果，表明同类或不同类有机酸联合作用可以协同增强抑藻效果。 结论 梭鱼草根状茎有机酸类化感物质很可能具有良好的抑藻效果，同时多种化感物质联合作用可能是梭鱼草抑制铜绿微囊藻水华的一种主要机制。丁二酸、肉桂酸、香草酸具有开发为抑藻剂的潜质。图2表2参26
|
| 关 键 词： | 梭鱼草 有机酸 化感作用 铜绿微囊藻 |
| 收稿时间： | 2019-12-16 |
Inhibitory effect of succinic acid,cinnamic acid and vanillic acid from Pontederia cordata on Microcystis aeruginosa |
| |
| ZHAO Chu,QIAN Yanping,TIAN Runan.Inhibitory effect of succinic acid,cinnamic acid and vanillic acid from Pontederia cordata on Microcystis aeruginosa[J].Journal of Zhejiang A&F University,2020,37(6):1105-1111. |
| |
| Authors: | ZHAO Chu QIAN Yanping TIAN Runan |
| |
| Institution: | 1.School of Landscape Architecture, Nanjing Forestry University, Nanjing 210037, Jiangsu, China2.School of Environment Science, Nanjing Xiaozhuang University, Nanjing 210000, Jiangsu, China |
| |
| Abstract: | Objective With succinic acid of fatty acids, cinnamic acid and vanillic acid sdanders of phenolic acids, three allelochemicals extracted from Pontederia cordata rhizomes used both alone and jointly. Method This paper is aimed at an investigation of the effects of organic acids on the growth of Microcystis aeruginosa. Result (1) The growth of M. aeruginosa could be inhibited by succinic acid, cinnamic acid and vanillic acid either solely or jointly, with 92.78% as the inhibition rate achieved with the employment of 100 mg·L?1 succinic acid and cinnamic acid for seven days; (2) when used alone, cinnamic acid demonstrates the strongest inhibition ability with succinic acid and vanillic acid following behind, yet when used jointly, the inhibition ability weakens in the following order: succinic acid + cinnamic acid ＞ cinnamic acid + vanillic acid ＞ succinic acid + cinnamic acid + vanillic acid with vanillic acid weakening the inhibition effect of succinic acid and cinnamic acid on the growth of M. aeruginosa to a certain degree; (3) when succinic acid was combined with phenolic acid (cinnamic acid or vanillic acid), cinnamic acid was combined with vanillic acid or the three organic acids combined, their inhibition effect on M. aeruginosa was enhanced; (4) the combination of fatty acid and phenol acidification either in the same kind or among different kinds can enhance the effect of algal inhibition. Conclusion The three allelochemicals extracted from the rhizome of P. cordata might have good algae inhibition effect and the combined action of various allelochemicals might be the main mechanism of P. cordata inhibiting cyanobacteria bloom. Therefore, succinic acid, cinnamic acid and vanillic acid have the potential to be developed as algal inhibitors. Ch, 2 fig. 2 tab. 26 ref.] |
| |
| Keywords: | |
|
| 点击此处可从《浙江农林大学学报》浏览原始摘要信息 |
| 点击此处可从《浙江农林大学学报》下载免费的PDF全文 |
|
