ZHANG Xiaoxiao,AN Meijun,WU Fengzhi.Effects of Different Soil Ecological Conditions on Structure of Microbial Communities of Watermelon Rhizosphere Soil[J].Northern Horticulture,2017,41(03):101-108.[doi:10.11937/bfyy.201703024]
不同生态条件对西瓜根际土壤微生物群落结构的影响
- Title:
- Effects of Different Soil Ecological Conditions on Structure of Microbial Communities of Watermelon Rhizosphere Soil
- Keywords:
- ecological conditions; DGGE; bacteria; fungi
- 文献标志码:
- A
- 摘要:
- 以西瓜为试材，在黑龙江省内11种典型栽培模式背景下种植西瓜，研究了西瓜根际土壤微生物群落结构的变化。结果表明：栽种西瓜后明显改变了土壤微生物群落结构，其中处理D（西瓜/西瓜）的微生物多样性指数和均匀度以及细菌的丰富度最低，并且与大多数处理的微生物群落结构相似性较低。相关性分析表明，真菌的多样性与土壤的电导率呈极显著负相关。经测序后发现，大部分的细菌属于链球菌属、放线菌、拟无枝酸菌、芽单胞菌门等；真菌类群为赤霉属、链格孢属、毛壳菌属、隐球菌属等。
- Abstract:
- Watermelon was used as test material,the change of soil microbial community structure was researched in 11 typical cropping modes of the Heilongjiang Province after cultivation of watermelon.It clearly changed the soil microbial community structure after cultivation of watermelon，in which the diversity index，evenness and richness of the bacteria was the lowest in the treatment D (watermelon/watermelon) whose microbial community structure was low similar to most of others′treatments.Correlation analysis indicated that there was extremely significant negative correlated between the diversity of fungi and the electrical conductive of soil.After sequencing，most of bacterium belonged to Streptococcus，Actinomycetes，Amycolatopsis，Gemmatimonadetes and so on，while many fungi were consist of Gibberella，Alternaria，Chaetomium，Cryptococcus.
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备注/Memo
第一作者简介：张晓晓（1990-），女，硕士研究生，研究方向为设施园艺与蔬菜生理生态。E-mail：axiaode@163.com.责任作者：吴凤芝（1963-），女，教授，博士生导师，研究方向为设施园艺与蔬菜生理生态。E-mail：fzwu2006@aliyun.com.基金项目：国家自然科学基金资助项目（31471917）。