Agronomy Journal Journal of Natural Resources and Life Sciences Education
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Published online 1 May 1963
Published in Agron J 55:269-271 (1963)
© 1963 American Society of Agronomy
677 S. Segoe Rd., Madison, WI 53711 USA
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Serological Groups of Rhizobium juponicum Recovered from Nodules of Soybeans (Glycine max) in Field Soils1

Herbert W. Johnson and Ura Mae Means2

Synopsis: Groupings of isolates indicated a different population of bacteria in the nodules of plants grown in different soils. In 5 of 6 soils, 49 to 82% of the isolates were of 1 or 2 predominant groups with the predominant groups differing among soils. Populations of bacteria in nodules of greenhouse and field plants grown in a given soil were essentially the same.


1 Contribution from Crops and Soil and Water Conservation Research Divisions, ARS, USDA, Beltsville, Maryland.

2 Research Agronomist and Bacteriologist.

Received for publication September 17, 1962.





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Journal of Natural Resources
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The Plant Genome
Copyright © 1963 by the American Society of Agronomy.