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石菖蒲的克藻效应
引用本文:叶居新,何池全,陈少风.石菖蒲的克藻效应[J].植物生态学报,1999,23(4):379-384.
作者姓名:叶居新  何池全  陈少风
作者单位:南昌大学生物科学工程系
摘    要: 石菖蒲(Acorus tatarinowii)抑制藻类的机制除了对光和矿质营养的竞争外,主要是由于石菖蒲根系向水体分泌的化学物质,能伤害和清除藻类(克制作用,Allelopathic effect);用培养石菖蒲的水培养藻类,可破坏藻类的叶绿素a,使其光合速率、细胞还原TTC的能力显著下降;在荧光显微镜下可看到藻细胞从鲜红色变为淡蓝色。

关 键 词:石菖蒲  生化他感  藻类

ALLELOPATHIC EFFECT OF ACORUS TATARINOWII ON ALGAE GROWTH
YE Ju,Xin HE Chi,Quan,and CHEN Shao,Feng.ALLELOPATHIC EFFECT OF ACORUS TATARINOWII ON ALGAE GROWTH[J].Acta Phytoecologica Sinica,1999,23(4):379-384.
Authors:YE Ju  Xin HE Chi  Quan  and CHEN Shao  Feng
Abstract:An inhibitory effect of Acorus tatarinowii on algae growth was found.In addition to the competitions of light and mineral nutrients between Acorus tatrinowii and algae,the mechanism of this inhibitory effect was mainly due to an excretion of some organic substances from the root system and rhizome of Acorus tatarinowii which may injure and abate algal cells(allelopathic effect). When algal cells were treated with cultured water of Acorus tatarinowii, chlorophylla was destroyed,the photosynthetic rate of algae markedly declined and the ability of cells to reduce TTC decreased.Under fluorescence microscope,it was seen that algal cells turned from bright red to bluish green.
Keywords:Acorus tatarinowii    Allelopathy  Algae
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