Characterization of azospirillum isolated from nitrogen-fixing roots of harvested sorghum plants.
Root segments of harvested sorghum plants had acetylene reduction activity ranging from 11 to 61 nmol of ethylene formed per h per g (dry weight). Five strains of Azospirillum brasilense sp. nov. were isolated from root segments.
Wong
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Division of Biology, Kansas State University, Manhattan, Kansas 66506.
Stenberg
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