Plant communities affect arbuscular mycorrhizal fungal diversity and community composition in grassland microcosms

•  The diversity of arbuscular mycorrhizal (AM) fungi was investigated in an unfertilized limestone grassland soil supporting different synthesized vascular plant assemblages that had developed for 3 yr. •  The experimental treatments comprised: bare soil; monocultures of the nonmycotrophic sedge Ca...

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Veröffentlicht in:The New phytologist. - 1979. - 161(2004), 2 vom: 20. Feb., Seite 503-515
1. Verfasser: Johnson, David (VerfasserIn)
Weitere Verfasser: Vandenkoornhuyse, Philippe J, Leake, Jonathan R, Gilbert, Lucy, Booth, Rosemary E, Grime, J Philip, Young, J Peter W, Read, David J
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2004
Zugriff auf das übergeordnete Werk:The New phytologist
Schlagworte:Journal Article arbuscular mycorrhiza (AM) diversity plant functional type shoot nitrogen shoot phosphorus terminal restriction fragment length polymorphism (T-RFLP)
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520 |a •  The diversity of arbuscular mycorrhizal (AM) fungi was investigated in an unfertilized limestone grassland soil supporting different synthesized vascular plant assemblages that had developed for 3 yr. •  The experimental treatments comprised: bare soil; monocultures of the nonmycotrophic sedge Carex flacca; monocultures of the mycotrophic grass Festuca ovina; and a species-rich mixture of four forbs, four grasses and four sedges. The diversity of AM fungi was analysed in roots of Plantago lanceolata bioassay seedlings using terminal-restriction fragment length polymorphism (T-RFLP). The extent of AM colonization, shoot biomass and nitrogen and phosphorus concentrations were also measured. •  The AM diversity was affected significantly by the floristic composition of the microcosms and shoot phosphorus concentration was positively correlated with AM diversity. The diversity of AM fungi in P. lanceolata decreased in the order: bare soil > C. flacca > 12 species > F. ovina. •  The unexpectedly high diversity in the bare soil and sedge monoculture likely reflects differences in the modes of colonization and sources of inoculum in these treatments compared with the assemblages containing established AM-compatible plants 
650 4 |a Journal Article 
650 4 |a arbuscular mycorrhiza (AM) 
650 4 |a diversity 
650 4 |a plant functional type 
650 4 |a shoot nitrogen 
650 4 |a shoot phosphorus 
650 4 |a terminal restriction fragment length polymorphism (T-RFLP) 
700 1 |a Vandenkoornhuyse, Philippe J  |e verfasserin  |4 aut 
700 1 |a Leake, Jonathan R  |e verfasserin  |4 aut 
700 1 |a Gilbert, Lucy  |e verfasserin  |4 aut 
700 1 |a Booth, Rosemary E  |e verfasserin  |4 aut 
700 1 |a Grime, J Philip  |e verfasserin  |4 aut 
700 1 |a Young, J Peter W  |e verfasserin  |4 aut 
700 1 |a Read, David J  |e verfasserin  |4 aut 
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