Effects of continuous monoculture of Achyranthes bidentata on microbial community structure and functional diversity in soil

被引：0

作者：

Chen, T. ^{[1
]}

Li, J. ^{[1
]}

Wu, L. K. ^{[1
]}

Lin, S. ^{[1
]}

Wang, J. H. ^{[1
]}

Li, Z. F. ^{[1
]}

Zhang, Z. Y. ^{[1
]}

Lin, W. X. ^{[1
]}

机构：

[1] Fujian Agr & Forest Univ, Sch Life Sci, Fuzhou 350002, Fujian, Peoples R China

来源：

ALLELOPATHY JOURNAL | 2015年 / 36卷 / 02期

基金：

中国国家自然科学基金;

关键词：

Achyranthes bidentata; Biolog; CLPP; continuous monoculture; microbial community; Phospholipid Fatty Acid; PLFA; Terminal Restriction Fragment Length Polymorphism; T-RFLP; RHIZOSPHERE;

D O I：

暂无

中图分类号：

S3 [农学（农艺学）];

学科分类号：

0901 ;

摘要：

We studied the structure and functional diversity of microbial community in soil under long term continuous monoculture of A. bidentata, using the Community-level physiological profiles (CLPP), phospholipid fatty acid (PLFA) analysis and terminal restriction fragment length polymorphism (T-RFLP) analysis. Biolog analysis showed that the catabolic diversity of 20-years monoculture was similar to control soil. In PLFA analysis, the Gram (-)/Gram (+) bacterial ratio showed no significant difference among the control and soils of 2-years and 20-years monocultures. The actinomycetes population was higher in 20-years monoculture than control and 2-years monoculture soils. Also, the Cy/Pre ratio (an indicator of physiological stress), was significantly higher in 2-years monoculture soil than control and 20-years monoculture soils. The abundance of probiotic bacteria was higher in 20-years monoculture soil than in 2-years monoculture. These results showed that the soil microbial environment remained in a good state under A. bidentata continuous monoculture system for a long time.

引用

页码：197 / 211

页数：15

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