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首页> 外文期刊>Water >Allelopathy Inhibitory Effects of Hydrodictyon reticulatum on Chlorella pyrenoidosa under Co-Culture and Liquor-Cultured Conditions
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Allelopathy Inhibitory Effects of Hydrodictyon reticulatum on Chlorella pyrenoidosa under Co-Culture and Liquor-Cultured Conditions

机译：共培养和酒培养条件下网状网藻对拟南芥小球藻的化感作用抑制作用

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摘要

Eutrophication has become increasingly serious in recent years, which severely impairs the aquatic ecosystem. Applying environmentally-friendly methods to effectively control the growth of algae and avoid eutrophication has been proved to be a promising way. Thus, the potential of Hydrodictyon reticulatum on eutrophication control was studied in this research. The allelopathy inhibitory effects of H. reticulatum on the growth of Chlorella pyrenoidosa were investigated under both co-culture and liquor-cultured conditions. The biomass and chlorophyll a content of C. pyrenoidosa were determined with time during the experimental period . Nitrogen and phosphorus removal capacities of H. reticulatum were also examined. Results showed that the growth of C. pyrenoidosa was obviously inhibited under both co-culture and liquor-cultured conditions, and the “Hormesis effect” was patently observed. The strength of allelopathy inhibitory effect depended on the relative biomass between H. reticulatum and C. pyrenoidosa . The allelopathy inhibitory effect of H. reticulatum on C. pyrenoidosa under co-culture condition was stronger than that under liquor-cultured condition. The decrease speeds of nitrogen and phosphorus concentrations were in direct proportion to the concentration of H. reticulatum .
机译：近年来，富营养化变得越来越严重，严重损害了水生生态系统。实践证明，采用环保方法有效控制藻类生长并避免富营养化是一种有前途的方法。因此，本研究研究了网纹水Hydro在富营养化控制方面的潜力。在共培养和酒培养条件下，研究了网纹菌对拟南芥小球藻生长的化感作用抑制作用。在实验过程中，测定了梭孢藻的生物量和叶绿素a含量。还检查了网纹菌的氮和磷去除能力。结果表明，在共培养和酒培养条件下，C。pyrenoidosa的生长均受到明显的抑制，并且明显观察到了“渗透作用”。化感作用抑制的强度取决于网纹菌与梭状芽孢杆菌之间的相对生物量。在共培养条件下网纹菌对拟南芥的化感作用比在酒培养条件下要强。氮磷浓度的下降速度与网纹。的浓度成正比。

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