Nitrogen-fixing bacteria in soya plant root nodules

Bacteria inside root nodule cells . . . . . . . Bar: 5 µm
Nodules full of nitrogen-fixing bacteria on the roots of a soya plant
Detail at a higher magnification . . . . . . Bar: 1 µm

Legumes such as green peas, soya, alfalfa, beans, etc., contain nitrogen-fixing bacteria
(Rhizobium, Azotobacter) in their root nodules.


For comments and information on the use of the micrographs, please contact the author.
Micrographs were obtained by examining dry-fractured soy plant root nodules


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Updated: March 17, 2011.
©SCIMAT 2011