花生壳对水华蓝藻的化感抑制作用研究

Study on Allelopathic Effect of Peanut Shell on Bloom Cyanobacteria

[目的]为生态治理太湖水华蓝藻提供科学依据。[方法]在实验室条件下,以南太湖水华蓝藻铜绿微囊藻为材料,研究了不同处理方式的花生壳对其生长的化感抑制作用。[结果]经高温高压灭菌后的0.1%和0.5%花生壳对铜绿微囊藻的生长具有明显的抑制作用;经次氯酸钙消毒处理过的0.1%和0.5%花生壳以及0.05%～1.00%花生壳提取液对铜绿微囊藻的生长无明显的抑制作用。[结论]花生壳经高温高压处理后可以抑制水华蓝藻的生长。

[Objective] The purpose was to provide scientific basis for treatment on bloom cyanobacteria.[Method]In the condition of laboratory test,taking Microcystis aeruginosa from south Taihu Lake as material,then the allelopathic effect of peanut shell on M.aeruginosa under different processing methods was studied.[Result]0.1% and 0.5% of autoclaved peanut shell significantly inhibited the growth of M.aeruginosa,and there was no obvious inhibitory effect under the treatment with 0.1% and 0.5% of peanut shell disinfected by calcium hypochlorite or the peanut shell extract in different concentrations from 0.05% to 1.00%.[Conclusion]The peanut shell under autoclaved treatment can inhibit the growth of bloom cyanobacteria.