[1]梁伊,施宠,李萍,等.重金属Cd对蔬菜根际土壤微生物群落的影响[J].北方园艺,2017,41(20):129-135.[doi:10.11937/bfyy.20170842]
　LIANG Yi,SHI Chong,LI Ping,et al.Effects of Heavy Metal Cd on Soil Microbial Community in Vegetable Rhizosphere Soil[J].Northern Horticulture,2017,41(20):129-135.[doi:10.11937/bfyy.20170842]
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重金属Cd对蔬菜根际土壤微生物群落的影响

《北方园艺》[ISSN:1001-0009/CN:23-1247/S] 卷: 第41卷 期数: 2017年20 页码: 129-135 栏目: 出版日期: 2017-10-30
Title:
Effects of Heavy Metal Cd on Soil Microbial Community in Vegetable Rhizosphere Soil
作者:
梁伊; 施宠; 李萍; 李阳; 王文全
新疆农业大学 草业与环境科学学院，新疆 乌鲁木齐 830052
Author(s):
LIANG Yi; SHI Chong; LI Ping; LI Yang; WANG Wenquan
College of Grassland and Environmental Science,Xinjiang Agricultural University,Urumchi,Xinjiang 830052
关键词:
土壤; Cd; 磷脂脂肪酸(PLFA）; 根际土壤微生物
Keywords:
soil; Cd; PLFA; rhizosphere soil microbes
DOI:
10.11937/bfyy.20170842
文献标志码:
A
摘要:
以盆栽小白菜、萝卜和辣椒为试材，对其根际土壤采用磷脂脂肪酸(PLFA)含量分析、土壤理化性质分析方法，分为清水与清水+镉(Cd）2种处理，研究了不同处理对蔬菜根际土壤微生物群落的影响。结果表明：1）清水+Cd处理的蔬菜根际土壤微生物的含量均无显著差异，但萝卜根际土壤的微生物含量与小白菜和辣椒相比较低。2）主成分分析表明，用清水+Cd灌溉处理蔬菜，对萝卜根际土壤微生物群落结构影响最大。3）不同灌溉方式处理下的蔬菜根际土壤微生物类群中PLFA的含量均表现为革兰氏阳性菌(G+）>革兰氏阴性菌(G-）>放线菌>真菌；与清水对照相比，用含Cd的溶液灌溉蔬菜，其PLFA值均无显著差异。4）用不同灌溉方式浇灌蔬菜，在蔬菜收获期对土壤理化性质进行分析表明，清水+Cd处理对小白菜吸收土壤中的全氮及萝卜和辣椒吸收土壤中的硝酸盐氮的影响较大。
Abstract:
The phospholipid fatty acid content method and physical and chemical properties method，together with two kinds of treatment，clean water and clean water+Cd,were employed to analyze the rhizosphere soil of the test potted cabbage,radish and pepper,the effects of different treatments on soil microbial community were studied. The resules showed that there was no significant difference in the content of three kinds of vegetables rhizosphere microbial on soil by water+Cd,but the content of radish rhizosphere microbial on soil less than cabbage and pepper.PCA showed that the treatment of three kinds of vegetables with water+Cd irrigation had the greatest effect on the microbial community structure of radish rhizosphere soil.The contents of PLFA in the rhizosphere microbial community on soil under different irrigation treatments were G+>G->actinomycetes>fungi.Compared with water treatment,there was no significant difference in the value of PLFA in three vegetables treated with water+Cd.Irrigation of vegetables with different irrigation methods,analysis of soil physical and chemical properties during the harvest of vegetables showed that have a greater impact of water+Cd treatment on the cabbage absorbs total nitrogen in the soil,radish and pepper absorb nitrate nitrogen in soil.

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备注/Memo

第一作者简介：梁伊(1990-），女，硕士研究生，研究方向为环境监测与评价。E-mail：515073284@qq.com.

责任作者：王文全(1968-），女，硕士，教授，硕士生导师，现主要从事环境污染控制与修复方面等研究工作。E-mail：wwq6804@163.com.
基金项目：国家自然科学基金资助项目(21267022)。
收稿日期：2017-05-16

更新日期/Last Update: 2017-11-01