地钱浸提液对小球藻的生长抑制效应

卢诗焕; 陈彬; 尹璐; 郝小静; 丁佳锋; 王长智; 王晓敏; 梅荣武; 吴玉环; 张杭君

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中国环境科学 ›› 2020, Vol. 40 ›› Issue (2) : 824-831.

环境生态

地钱浸提液对小球藻的生长抑制效应

卢诗焕¹, 陈彬¹, 尹璐¹, 郝小静¹, 丁佳锋¹, 王长智², 王晓敏², 梅荣武², 吴玉环¹, 张杭君¹

作者信息 +

The inhibiting effect on inhibition of chlorella growth by liverwort aqueous extract

LU Shi-huan¹, CHEN Bin¹, YIN Lu¹, HAO Xiao-jing¹, DING Jia-feng¹, WANG Chang-zhi², WANG Xiao-min², MEI Rong-wu², WU Yu-huan¹, ZHANG Hang-jun¹

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文章历史 +

摘要

研究地钱对小球藻生长的抑制效应，筛选出廉价、高效、低毒的抑藻剂，对比分析了地钱与研究较为广泛的大麦秸秆对小球藻生长抑制效果的差异.结果显示，在0.5g/L地钱浸提液中培养120h后小球藻生长的抑制率达到88.17%，而0.5g/L大麦秸秆浸提液的抑制率只有66.28%.可见，在相同浓度条件下地钱浸提液的抑藻效果优于大麦秸秆浸提液；高浓度的25g/L地钱浸提液降低了小球藻的光合活性，而低浓度的1g/L浸提液对小球藻光合活性的影响不显著；通过对比乙醇和去离子水浸提液对小球藻抑制效果，说明对小球藻的生长起抑制作用的是地钱浸提液中的有机化感组分；地钱浸提液的抑藻效果与杨梅素、芹菜素和木犀草素这3种单一黄酮类化感物质相似.

Abstract

The suppressive effect of liverwort aqueous extract on chlorella growth was studied and a cheap, efficient and low-toxic algicide was selected. Thus, the difference in suppression effect of liverwort and extensive straw on chlorella growth was also compared and analyzed. The inhibition of chlorella growth reached 88.17% after culturing 120h in 0.5g/L liverwort aqueous extract, while, the inhibition of the straw aqueous extract only reached 66.28%. The inhibition of liverwort aqueous extract showed better efficacy than straw aqueous extract at the same conditions. The high concentration of liverwort aqueous extract (25g/L) could reduce the photosynthetic activity of chlorella, while low concentration of liverwort aqueous extract (1g/L) revealed insignificant effects on the photosynthetic activity of chlorella. Compared the suppressive effect of ethanol and deionized water extracts on chlorella, the organic allelopathic components of liverwort aqueous extract inhibited the growth of chlorella. Moreover, the algal inhibition effect of liverwort aqueous extract was similar to three single flavonoids, which were myricetin, parsley and lutein.

导出引用

卢诗焕, 陈彬, 尹璐, 郝小静, 丁佳锋, 王长智, 王晓敏, 梅荣武, 吴玉环, 张杭君. 地钱浸提液对小球藻的生长抑制效应[J]. 中国环境科学. 2020, 40(2): 824-831

LU Shi-huan, CHEN Bin, YIN Lu, HAO Xiao-jing, DING Jia-feng, WANG Chang-zhi, WANG Xiao-min, MEI Rong-wu, WU Yu-huan, ZHANG Hang-jun. The inhibiting effect on inhibition of chlorella growth by liverwort aqueous extract[J]. China Environmental Science. 2020, 40(2): 824-831

中图分类号： X524

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