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Ying Yong Sheng Tai Xue Bao

Title:		[Algal control ability of allelopathically active submerged macrophytes: a review]
Author(s):		Xiao X; Lou LP; Li H; Chen YX;
Address:		"Department of Environmental Engineering, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310029, China. prana@zju.edu.cn"
Journal Title:		Ying Yong Sheng Tai Xue Bao
Year:		2009
Volume:		20
Issue:		3
Page Number:		705 - 712
DOI:
ISSN/ISBN:		1001-9332 (Print) 1001-9332 (Linking)
Abstract:		"The inhibitory effect of allelochemicals released by submerged macrophytes on phytoplankton is considered as one of the mechanisms that contribute to the stabilization of clear-water status in shallow lakes. This paper reviewed the research progress in the allelopathy of submerged macrophytes on algae from the aspects of the occurrence frequency and coverage of allelopathically active submerged macrophytes in lakes, and the kinds and allelopathical effects of the allelochemicals released from the macrophytes. The previous researches indicated that allelopathically active submerged macrophyte species such as Myriophyllum, Ceratophyllum, and Elodea were efficient to control phytoplankton, especially when their biomass was high enough, and the dominant algae were sensitive species. The allelochemicals such as hydroxybenzene released by the submerged macrophytes could inhibit the growth of algae. Different phytoplankton species exhibited different sensitivity against allelochemicals, e.g., cyanobacteria and diatom were more sensitive than green algae, while epiphytic species were less sensitive than phytoplankton. Environmental factors such as light, temperature, and nutrients could significantly affect the allelopathical effect of submerged macrophytes. The research of the allelopathy of submerged macrophytes is still at its beginning, and further researches are needed on the effects of environmental factors on the allelopathy, extraction and identification of allelochemicals, selective algal control mechanisms, and metabolism of the allelochmicals"
Keywords:		"*Ecosystem Eukaryota/*drug effects/*growth & development Fresh Water/analysis Pest Control, Biological/methods Pheromones/*biosynthesis/pharmacology Plant Physiological Phenomena Plants/*metabolism;"
Notes:		"MedlineXiao, Xi Lou, Li-ping Li, Hua Chen, Ying-xu chi English Abstract Research Support, Non-U.S. Gov't Review China 2009/07/30 Ying Yong Sheng Tai Xue Bao. 2009 Mar; 20(3):705-12"