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首页> 中文期刊> 《烟草科技》 >豫中烟区土壤微生物特性及其与土壤理化性质的关系

豫中烟区土壤微生物特性及其与土壤理化性质的关系

         
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摘要

MiSeq Illumina sequencing platform, variance analysis, and stepwise regression analysis were used to study the microbial characteristics and their relationships with physicochemical properties of soils in central Henan tobacco growing areas. The results showed that: 1) The diversity of bacteria was higher than that of fungi in soils of central Henan tobacco growing areas. The dominate bacterial phylum were Acidobacteria, Proteobacteria, Actinobacteria and Planctomycetes, and the dominate fungal phylum were Ascomycota, Basidiomycota and Zygomycota. 2) The bacterial content, Chao index and Shannon index of tobacco growing soils in Jiaxian and Xiangxian were extremely significantly higher than those in Biyang, however there was no significant difference of soil fungal diversity among the three counties. The percentage of Acidobacteria in Biyang and Jiaxian were significantly higher than that in Xiangxian. The percentage of Actinobacteria in Jiaxian and Xiangxian were significantly lower, while that of Planctomycetes in Jiaxian and Xiangxian were significantly higher than those in Biyang. The percentage of Ascomycota in Xiangxian was significantly higher than that in Biyang and Jiaxian. 3) The content of bacteria extremely significantly positively correlated to soil organic matter and pH. Chao index of bacteria extremely significantly positively correlated to pH, extremely significantly negatively correlated to alkaline nitrogen and significantly negatively correlated to available phosphorus. Shannon index of bacteria extremely significantly positively correlated to pH and extremely significantly negatively correlated to alkaline nitrogen and significantly negatively correlated to the content of water-stable aggregates. The content of fungi significantly negatively correlated to pH and extremely significantly positively correlated to available phosphorus. Shannon index of fungi extremely significantly negatively correlated to soil surface hardness, while there was no significant correlation between Chao index of fungi and soil physicochemical properties. The regression equations for the contents, Chao index and Shannon index of bacteria and fungi with soil physicochemical properties reached extremely significant level, and the regression coefficient probability of all independent variables reached extremely significant level (P<0.01). Therefore, microbial characteristics were closely related to physicochemical properties of soils in central Henan tobacco growing areas and were mainly influenced by pH, soil organic matter, available phosphorus and soil surface hardness.%为明确豫中烟区土壤微生物的特性及其与土壤理化性质的关系,采用基于MiSeq平台的高通量测序技术、方差分析和逐步回归分析等方法对其进行了研究.结果表明:①豫中烟区土壤细菌多样性高于真菌.酸杆菌门、变形菌门、放线菌门和浮霉菌门为细菌的优势菌门,子囊菌门、担子菌门和接合菌门为真菌的优势菌门.②郏县和襄城县植烟土壤细菌含量、Chao指数和香农指数均极显著高于泌阳县,3个植烟县土壤真菌多样性没有显著差异.泌阳县和郏县土壤酸杆菌门比例显著高于襄城县;郏县和襄城县土壤放线菌门比例显著低于泌阳县,但浮霉菌门比例显著高于泌阳县;襄城县植烟土壤子囊菌门比例显著高于泌阳县和郏县.③细菌含量与pH值、有机质呈极显著正相关;细菌Chao指数与pH值呈极显著正相关,与碱解氮呈极显著负相关,与速效磷呈显著负相关;细菌香农指数与pH值呈极显著正相关,与碱解氮呈极显著负相关,与水稳性团聚体含量呈显著负相关.土壤真菌含量与pH值呈显著负相关,与速效磷呈极显著正相关;真菌香农指数与土壤表层硬度呈极显著负相关;真菌Chao指数与土壤理化性质没有显著相关性.建立的细菌含量、真菌含量、Chao指数和香农指数与土壤理化性质的回归方程都达到极显著水平,且自变量的回归系数相伴概率均达到了0.01极显著水平.因此,豫中烟区土壤微生物特性与土壤理化性质紧密相关,主要受土壤pH、有机质、速效磷、土壤表层硬度等因素的影响.

著录项

  • 来源
    《烟草科技》 |2017年第5期|1-9|共9页
  • 作者

    陈丽燕; 戴华鑫; 陈江华; 刘迎昌; 吕浩秋; 李洪亮; 王迅; 陈钊; 张艳玲;

  • 作者单位

    中国烟草总公司郑州烟草研究院;

    郑州高新技术产业开发区枫杨街2号 450001;

    中国烟草总公司郑州烟草研究院;

    郑州高新技术产业开发区枫杨街2号 450001;

    中国烟叶公司;

    北京市宣武区广外大街9号中烟商厦 100055;

    平顶山市烟草公司郏县分公司;

    河南省平顶山市郏县东关街68号 467100;

    驻马店市烟草公司泌阳县分公司;

    河南省驻马店市泌阳县车站路8号 463700;

    许昌市烟草公司襄城县公司;

    河南省许昌市襄城县迎宾路906号 461700;

    驻马店市烟草公司泌阳县分公司;

    河南省驻马店市泌阳县车站路8号 463700;

    山东中烟工业有限责任公司物资采购中心;

    济南市历下区经十路11888号 250000;

    中国烟草总公司郑州烟草研究院;

    郑州高新技术产业开发区枫杨街2号 450001;

  • 原文格式 PDF
  • 正文语种 chi
  • 中图分类 S572.06;
  • 关键词

    豫中烟区; 细菌; 真菌; 多样性; 群落结构; 土壤理化性质;

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