title: Characterization of azospirillum isolated from nitrogen-fixing roots of harvested sorghum plants.
abstract: 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.
authors.affiliation: Division of Biology, Kansas State University, Manhattan, Kansas 66506.
authors.forename: P P
authors.initials: PP
authors.lastname: Wong
authors.forename: N E
authors.initials: NE
authors.lastname: Stenberg