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《Journal of Anhui Normal University(Natural Science)》 2011-04
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The Allelopathy of Myriophyllum Spicatum on Freshwater Algae

HU Wei,ZHANG Dian,RAM Ying-xia,ZHANG Ting-ting(College of Life Science,Anhui Normal University,The Key Lab.of Biotic Environment and Ecological Safety in Anhui Province,Wuhu 241000,China)  
To pursue an effective method to control fresh water algae,a culture solution of submerged macrophyte Myriophyllum spicatum was tested to study its allelopathic inhibitory effects on the growth of Microcystis aeruginosa and Scenedesmus obliquus with pure or mixed culture,as well as on the growth of algae from the pond water.Our results demonstrated that M.spicatum culture solution inhibited the growth of M.aeruginosa and S.obliquus,with M.aeruginosa being more sensitive.M.spicatum culture solution also induced a decrease in chlorophyll a,a reduction in algal photosynthesis intensity,and a depression in the ability of alga cells to deoxidize TTC,indicating its potential to inhibit the growth of algae.Our present study showed M.spicatum is an effective way to control algae-bloom.
【Fund】: National Natural Science Foundation of China(30870429);; The Science and technology plan projects of Wuhu Municipality
【CateGory Index】: X172
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