XIAO Chun-ling,CHEN Gui-hua.Quantitative Analysis of Two Green Plant’s Rhizosphere Microorganisms[J].Northern Horticulture,2014,38(15):187-188,189.
两种绿化植物根际土壤微生物的数量分析
- Title:
- Quantitative Analysis of Two Green Plant’s Rhizosphere Microorganisms
- 文章编号:
- 1001-0009(2014)15-0187-03
- Keywords:
- green plant; rhizosphere micro-organisms; group and number
- 分类号:
- S154.4
- 文献标志码:
- A
- 摘要:
- 采用涂布平板法和最大或然数法，研究了红花檵木和西洋杜鹃2种校园绿化植物根际土壤主要微生物和氮素生理类群微生物的数量差异。结果表明：2种绿化植物根际土壤主要微生物以细菌占绝对优势，红花檵木的细菌数量为5.60×105 cfu/g；西洋杜鹃的细菌数量为2.15×105 cfu/g，其次是放线菌，真菌数量最少。氮素生理类群微生物的数量差异依次为硝酸细菌>固氮菌>氨化细菌>反硝化细菌。2种绿化植物根际土壤中，细菌、真菌和氨化细菌数量间差异显著；放线菌和固氮菌数量间差异显著；硝酸细菌和反硝化细菌数量间差异不显著。
- Abstract:
- The number of rhizosphere micro-organisms and nitrogen physiological group microbes of two green plants in the campus were studied by the method of spread plate and MPN.The results showed that the rhizosphere soil microbial was mainly dominated by bacteria,the number of bacteria of Rubrum and Rhododendron were 5.60×105 cfu/g and 2.15×105 cfu/g,respectively,followed by actinomycetes and fungi.The sequence of the number of nitrogen physiological group microbes was nitrate bacteria>azotobacter>ammonifying bacteria>denitrifying bacteria.In the rhizospheric soil,there were significant differences among the number of bacteria,fungi and ammonifying bacteria,similar as the actinomycetes and azotobacter.There were no significant differences between the nitrate bacteria and denitrifying bacteria.
参考文献/References:
［1］陶品华,陶建平,茅建新,等.红花继木特征特性、用途及主要栽培技术［J］.上海农业科技,2011(5):94.
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备注/Memo
第一作者简介：肖春玲（1962-），女，本科，教授，现主要从事土壤微生物学等研究工作。E-mail：xiaochunling@jgsu.edu.cn.