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几种高等水生植物的克藻效应
引用本文:俞子文,孙文浩.几种高等水生植物的克藻效应[J].水生生物学报,1992,16(1):1-7.
作者姓名:俞子文  孙文浩
作者单位:中国科学院上海植物生理研究所,中国科学院上海植物生理研究所,中国科学院上海植物生理研究所,中国科学院上海植物生理研究所 上海 200032,上海 200032,上海 200032,上海 200032
摘    要:研究了水花生、水浮莲、满江红、紫萍、浮萍和西洋菜对雷氏衣藻的相生相克关系,并和水葫芦的作用进行了比较。试验指出前五种水生植物对雷氏衣藻表现了克制作用,但它们的克藻效能不如水葫芦强。西洋菜没有克制作用,甚至稍有促进效应。从水花生、水浮莲、水葫芦的种植水中得到的分泌物粗提物,都显示了对雷氏衣藻的抑制效应,进一步证实了有相生相克关系的存在。试验结果说明高等水生植物对藻类的克制作用似有一定的普遍性,在水生生态系统的形成和演替过程中可能起着重要的作用。

关 键 词:高等水生植物  克藻效应

ALLELOPATHIC EFFECTS OF SEVERAL AQUATIC PLANTS ON ALGAE
Yu Ziwen,Sun Wenhao,Guo Keqin and Yu Shuwen.ALLELOPATHIC EFFECTS OF SEVERAL AQUATIC PLANTS ON ALGAE[J].Acta Hydrobiologica Sinica,1992,16(1):1-7.
Authors:Yu Ziwen  Sun Wenhao  Guo Keqin and Yu Shuwen
Abstract:The allelopathic effects of Alternanthera philoxeroides, Pistia stratiotes, Azolla imbricata, Lemna minor, Spirodela polyrhiza and Nasturtium officinale against algae were examined compared with those of Eichhornia crassipes. The alga, Chlamydomonas reinhardi, was selected as the object of inhibition. Under experimental conditions in which the light competition was eliminated, the former five species all exerted an inhibitory effect on the growth of C. reinhardi. This effect of A. philoxeroides or P. Stratiotes was not so strong as that of E. crassipes. In the case of Nasturtium officinale, no inhibition but even a stimulation was observed. The crude extracts of exudate from the water in which A. philoxeroides or P. stratiotes had been cultured were strongly inhibitory to the growth of the C. reinhardi. It seems that the allelopathic effect of higher aquatic plants on algae was a somewhat common phenomenon which might play an important role in the formation and succession of aquatic ecosystem.
Keywords:Allelopathy  Alternanthera philoxcroides  Phtia stratiotes  Azolla imbricata  Letnna minor  Spirodela polyrhiza  Nasturtium officinale  Chlamydomonas reinhardti  
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