Occurrence of nitrogen-fixing Azospirillum in vesicular-arbuscular mycorrhizal fungi |
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| Authors: | K V B R Tilak C Y Li Iwan Ho |
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| Institution: | (1) Division of Microbiology, Indian Agricultural Research Institute, 110012 New Delhi, India;(2) Forest Service, Pacific Northwest Research Station, Forestry Sciences Laboratory, US Department of Agriculture, 3200 SW Jefferson Way, 97331 Corvallis, OR, USA |
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| Abstract: | Nitrogenase activity measured by acetylene reduction, was detected when surface-sterilized spores of vesicular-arbuscular (VA) mycorrhizal fungi (Glomus fasciculatum, G. intraradices, G. scientillans, G. mosseae, Gigaspora gilmorei andEndogone dusii) were inoculated into nitrogen-free liquid medium containing malic acid and incubated under microaerophilic conditions (99% N2+1% O2) at 30°C.Azospirillum species were isolated from the nitrogenase-active cultures. |
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| Keywords: | Azospirillum Endogone Gigaspora Glomus spores |
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