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Inhibition of Aquatic Vascular Plants on Phytoplankton Growth II. Algal Growth Experiments with Water and Plant Extracts from Submerged Macrophytes  

Nam, Sung-Jin (Department of Biological Science, Ajou University)
Park, Sang-Kyu (Department of Biological Science, Ajou University)
Publication Information
Korean Journal of Ecology and Environment / v.40, no.4, 2007 , pp. 520-526 More about this Journal
Abstract
To select submerged macrophytes to suppress growth of Microcystis aeruginosa through releasing allelochemicals, we conducted growth experiments with water from patches of submerged macrophytes and with aqueous extracts of those submerged macrophytes. In the first experiment, growth rates of M. aeruginosa decreased as biomass of Myriophyllum spicatum and Hydrilla verticillata increased. In the second experiment, M. aeruginosa showed approximately 50% growth reduction with extracts from M. spicatum and 24% reduction with extracts from Ottelia alismoides. Both M. aeruginosa growth experiments with water and plant extracts suggest that M. spicatum would be the best candidate to reduce M. aeruginosa growth.
Keywords
submerged macrophytes; Microcystis aeruginosa; allelopathic substances; inhibition of algal growth;
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Times Cited By KSCI : 1  (Citation Analysis)
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