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Folia Microbiologica

, 37:210 | Cite as

Symbiotic effectiveness of Hup+ Rhizobium, VAM fungi and phosphorus levels in relation to nitrogen fixation and plant growth ofCajanus cajan

  • G. K. Sekhon
  • R. P. Gupta
  • M. S. Pandher
  • J. K. Arora
Papers

Abstract

Effect of hydrogen uptake positive (Hup+) strain ofRhizobium sp. (pigeon pea) and VAM fungus (Glomus fasciculatum) was studied on the symbiotic parameters of pigeon pea (Cajanus cajan) cv. AL-15 at various levels of phosphorus. The Hup+ Rhizobium strain showed more nodulation, plant biomass and plant nitrogen content than its Hup counterpart. VAM infection in pigeon pea roots helped in translocating phosphorus from the soil and improved nitrogen fixation. Similarly, addition of phosphorus was found to play a positive role in enhancing all these parameters. Dual inoculation of Hup+ Rhizobium strain and VAM significantly increased nodulation, nitrogenase activity, plant nitrogen and phosphorus content and plant biomass compared to single inoculation of either organism and dual inoculation with Hup and VAM fungus.

Keywords

Nitrogen Fixation Rhizobium Strain Hydrogen Uptake Dual Inoculation Phosphorus Application 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Institute of Microbiology, Academy of Sciences of the Czech Republic 1992

Authors and Affiliations

  • G. K. Sekhon
    • 1
  • R. P. Gupta
    • 1
  • M. S. Pandher
    • 1
  • J. K. Arora
    • 1
  1. 1.Department of MicrobiologyPunjab Agricultural UniversityLudhiana - 141 004, PunjabIndia

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