Arbuscular mycorrhizae from arid parts of Namibia

Soil and root samples from three arid sites in southern Namibia were analysed for the presence of arbuscular mycorrhizal fungi. Twelve species were recorded, with Glomus aggregatum being the dominant spore type. Species composition appeared to be influenced by geographic distance (or abiotic factors...

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Bibliographic Details
Published in:Journal of arid environments 2006, Vol.64 (2), p.221-237
Main Authors: Uhlmann, E., Görke, C., Petersen, A., Oberwinkler, F.
Format: Article
Language:English
Subjects:
arid lands
botanical composition
community structure
DNA primers
geographical distribution
Glomeromycota
Glomus
Glomus aggregatum
land use
Land utilization
polymerase chain reaction
sequence analysis
sequence homology
soil properties
species diversity
Species inventory
vesicular arbuscular mycorrhizae
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Summary:Soil and root samples from three arid sites in southern Namibia were analysed for the presence of arbuscular mycorrhizal fungi. Twelve species were recorded, with Glomus aggregatum being the dominant spore type. Species composition appeared to be influenced by geographic distance (or abiotic factors that vary with geographic distance) of the study sites but not by land utilization. This is supported by analyses of the nuclear ribosomal genes of glomeromycetes colonizing plant roots. In contrast to that, mycorrhization varied under different land utilization regimes.
ISSN:0140-1963
1095-922X
DOI:10.1016/j.jaridenv.2005.05.002