Rhizosphere Effect of Colonizer Plant Species on the Development of Soil Microbial Community during Primary Succession on Postmining Sites

被引：18

作者：

Elhottova, Dana ^{[1
]}

Kristufek, Vaclav ^{[1
]}

Maly, Stanislav ^{[2
]}

Frouz, Jan ^{[1
]}

机构：

[1] Acad Sci Czech Republic, Inst Soil Biol, Ctr Biol, CR-37005 Ceske Budejovice, Czech Republic

[2] Cent Inst Supervising & Testing Agr, Brno, Czech Republic

来源：

COMMUNICATIONS IN SOIL SCIENCE AND PLANT ANALYSIS | 2009年 / 40卷 / 1-6期

关键词：

Colonizer plant; colliery spoil substrate; rhizosphere effect; soil microbial community succession; BACTERIAL; BIOMASS; GROWTH; SUBSTRATE; SHIFTS;

D O I：

10.1080/00103620802693193

中图分类号：

S3 [农学（农艺学）];

学科分类号：

0901 ;

摘要：

The impact of pioneer plant species Tussilago farfara on structural, functional, and growth characterization of microbial community colonizing the spoil colliery substrate was studied in a laboratory microcosm experiment. Microcosms consisting of spoil substrate (0.7dm3 of tertiary alkaline clay sediment from Sokolov brown-coal mine area) from a pioneer site (without vegetation, 5 years after heaping) were cultivated in a greenhouse with one plant of this species. Plant roots substantially increased microbial diversity and biomass after one season (7 months) of cultivation. Roots influenced the microbial community and had nearly twice the size, higher growth, and metabolic potential in comparison to the control. The development of microbial specialists improves the plant nutrient status. Bacterial nitrogen (N)2 fixators (Bradyrhizobium japonicum, Rhizobium radiobacter) and arbuscular mycorrhizal fungi were confirmed in the rhizosphere of Tussilago farfara.

引用

页码：758 / 770

页数：13

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