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Publication Type
Journal Article
UWI Author(s)
Author, Analytic
Thiagarajan, T.R.; Ahmad, Mohammed, H.
Author Affiliation, Ana.
Biotechnology Centre
Article Title
Influence of a vesicular-arbuscular mycorrhizal fungus on the competitive ability of Bradyrhizobium spp. for nodulation of cowpea Vigna unguiculata (L.) Walp in non-sterilized soil
Medium Designator
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Connective Phrase
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Journal Title
Biology and fertility of soils
Translated Title
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Reprint Status
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Date of Publication
1993
Volume ID
15
Issue ID
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Page(s)
108-111
Language
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Connective Phrase
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Location/URL
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ISSN
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Notes
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Abstract
Examined the influence of a vesicular arbuscular (VAM) fungus (Glomus pallidum Hall) on the competitive ability of introduced and native Bradyrhizobium strains to nodulate cowpeas [Vigna unguiculata (L) Walp]. Experiments in non-sterilized soil revealed that in the presence of VAM fungus, introduced Bradyrhizobium spp. strains become more competitive than native rhizobia. For example, strain JRC29 occupied 59.2% of the total nodules when inoculated alone, but this figure increased to 71.2% when JRC29 was used in dual inoculations with VAM fungus. A similar pattern of enhanced competitiveness for nodule formation was observed with the two other strains in the presence of the VAM fungus. Results suggest that the competitiveness of rhizobia can be enhanced by co-inoculating with a selected strain of a VAM fungus.....
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Keywords
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