Plant and Soil

, Volume 34, Issue 1, pp 707–719

Rhizobial symbiosis on Venezuelan savannas

  • S. Barrios
  • V. Gonzalez

DOI: 10.1007/BF01372825

Cite this article as:
Barrios, S. & Gonzalez, V. Plant Soil (1971) 34: 707. doi:10.1007/BF01372825


An extensive study of the leguminous plants growing on Venezuelan savannas was made. Of 127 species examined, 109 were nodulated, with 73 species in the Papilionoideae. 71 species in 17 genera are new records of nodulation. Most of the non-nodulated species were in the Caesalpinioideae, and non-nodulation was correlated with brown coloured roots.

Some environmental factors involved in the establishment of the legume-Rhizobium association are discussed.

These observations on nodulation represent 13 per cent of the total Leguminosae flora of Venezuela.

Copyright information

© Martinus Nijhoff 1971

Authors and Affiliations

  • S. Barrios
    • 1
  • V. Gonzalez
    • 1
  1. 1.Escuela de Biología, Facultad de CienciasUniversidad Central de VenezuelaCaracasVenezuela
  2. 2.Depto. de Biología, Facultad de CienciasUniversidad de Los AndesMéridaVenezuela

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