附植藻类-黑藻体系克藻效应初探  

Allelopathic Inhibition of Epiphyte-Hydrilla Verticillata System

作　　者：谭海剑[1] 潘伟斌[1] 区晓劲[2] 曹诗林[1] 曾燕婷[1] 

机构地区：[1]华南理工大学环境科学与工程学院,广东广州510006 [2]华南理工大学生物科学与工程学院,广东广州510006

出　　处：《水生态学杂志》2009年第5期31-35,共5页Journal of Hydroecology

基　　金：广州市黄埔区环境保护局资助项目(302D804212)

摘　　要：向鲜重约10g的扦插黑藻顶枝端表面分别接种1.00、2.00和4.00g鲜重附植藻类,组成3个附植藻类-黑藻体系处理组,另设置未接种附植藻类的单一黑藻体系处理组,研究了各处理组种植水对水华鱼腥藻的化感作用。研究结果表明,附植藻类-黑藻体系和单一黑藻体系均对水华鱼腥藻产生了显著的化感抑制作用;附植藻类-黑藻体系抑制作用强于单一的黑藻体系;附植藻类接种量大的处理组,抑制作用较强,其中接种4.00g鲜重附植藻类的体系对水华鱼腥藻产生了极显著的化感抑制作用,叶绿素a去除率达97.65%。1.00g, 2. 00g and 4.00g fresh weight epiphyte were inoculated with Hydrilla verticillata compose Hydrilla verticillata-Epiphyte system as treatments T2, T3, T4, a culture filtrates experiment was carried out to study the effect of epiphyte on the allelopathic inhibition of HydriUa verticillata-Epiphyte system and single Hydrilla verticillata system T1 without epiphyte. The results showed that Hydrilla verticillata-piphyte system has significant allelopathic activity on Anabaena flos-aquae; the allelopathic effect of Anabaena flos-aquae by Epiphyte-Hydrilla verticillata system was more efficient than single Hydrilla verticillata system; the allelopathic effect increased with increasing epiphyte biomass, among them epiphyte-Hydrilla verticillata system T4 had significant allelopathic activi- ty on Anabaenaflos-aquae,the chlorophyll a removal rate reach 97.65%.

关 键 词：附植藻类 黑藻 水华鱼腥藻 化感作用 

分 类 号：S949.2[农业科学—水产养殖]