梭鱼草根茎有机酸类化感物质抑藻效应研究任务书
2022-01-19 20:07:18
全文总字数:2607字
1. 1. 毕业设计(论文)的内容、要求、设计方案、规划等
前言:用简短篇幅概括本课题的研究背景,总结有机酸对铜绿微囊藻化感抑制作用相关的国内外研究现状,指出本课题研究的目的与意义;
方案拟定:
①根据梭鱼草分泌的化感物质组分,选择出香草酸、肉桂酸、丁二酸等有机酸物质后对铜绿微囊藻进行作用;
②将各种有机酸分别作用于铜绿微囊藻,每隔24 h通过紫外分光光度计测得藻细胞的od650值,得到试验过程中藻密度的变化,由此计算不同处理的抑藻率;
2. 参考文献(不低于12篇)
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[2] li j, liu x, dong f, et al. potential allelopathic effects of volatile oils from descurainia sophia, (l.) webb ex prantl on wheat [j]. biochemical systematics ecology, 2011, 39(1): 56-63.
[3] zhang t t, zheng c y, hu w, et al. the allelopathy and allelopathic mechanism of phenolic acids on toxic microcystis aeruginosa [j]. journal of applied phycology, 2010, 22(1): 71-77.