Root Nodules of Legumes

  • Ervin H. Barnes


The root nodules of leguminous plants are caused by nitrogen-fixing bacteria belonging to the genus Rhizobium. Root nodules are well-organized and differentiated structures, a striking contrast to the cancerous growth of crown gall.


Root Nodule Root Hair Cortical Cell Crown Gall Infection Thread 
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Suggested Reading

  1. Bieberdorf, F. W., “The Cytology and Histology of the Root Nodules of Some Legumi-nosae.” Journal of the American Society of Agronomy, Vol. 30 (May, 1938), pp. 375–389.CrossRefGoogle Scholar
  2. Bond, L., “Origin and Developmental Morphology of Root Nodules of Pisum sativum.” Botanical Gazette, Vol. 109 (June, 1948), pp. 411–434.CrossRefGoogle Scholar
  3. Jordan, D. C., Ginyer, I., and Coulter, W. H., “Electron Microscopy of Infection Threads and Bacteria in Young Root Nodules of Medicago sativa.Journal of Bacteriology, Vol. 86 (July, 1963), pp. 125–137.PubMedGoogle Scholar

Copyright information

© Plenum Press, New York 1979

Authors and Affiliations

  • Ervin H. Barnes
    • 1
  1. 1.Michigan State UniversityUSA

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