NDLI: Effects of the novel allelochemical ethyl 2-methylacetoacetate from the reed (Phragmitis australis Trin) on the growth of several common species of green algae

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Effects of the novel allelochemical ethyl 2-methylacetoacetate from the reed (Phragmitis australis Trin) on the growth of several common species of green algae

Content Provider	Springer Nature Link
Author	Men, Yu Jie Hu, Hong Ying Li, Feng Min
Copyright Year	2007
Abstract	Bioassays were performed to investigate the effects of the novel allelochemical, ethyl 2-methylacetoacetate (EMA), isolated from the reed (Phragmitis australis) on the growth of three common species of algae; Scenedesmus obliquus, Selenastrum capricornutum and Chlamydomonas reinhardtii. The results demonstrated that EMA has three quite different types of effect on these three species of algae. The growth of S. capricornutum was significantly inhibited by EMA during the whole cultivation period. The EC$_{50}$ values of EMA on S. capricornutum was 0.6 mg L$^{−1}$(7 days). However, the inhibitory effect of EMA on S. obliquus was apparent during the first 4 days of batch cultivation and then the inhibitory effect disappeared, and a stimulating effect was observed instead. The EC$_{50}$ value of EMA on S. obliquus was 0.43 mg L$^{−1}$(4 days). In addition, following the addition of EMA, the cells of S. obliquus and S. capricornutum became significantly larger than the normal untreated one and the algal cells changed morphologically. The microstructure of the algal cells was disrupted by the addition of EMA. There was no significant inhibition of the growth of C. reinhardtii by EMA, but cell motility was affected.
Starting Page	521
Ending Page	527
Page Count	7
File Format	PDF
ISSN	09218971
Journal	Journal of Applied Phycology
Volume Number	19
Issue Number	5
e-ISSN	15735176
Language	English
Publisher	Springer Netherlands
Publisher Date	2007-03-13
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Ethyl 2-methylacetoacetate Water bloom control Reed Scenedesmus obliquus Selenastrum capricornutum Chlamydomonas reinhardtii Ecology Hydrobiology Plant Sciences Plant Physiology
Content Type	Text
Resource Type	Article
Subject	Plant Science Aquatic Science

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