Influence of Flavonoids on Nodulation and Carbon Partitioning in Pea-Rhizobium Symbiosis

Veena Jain, Nisha Garg, H. S. Nainawatee

Research output: Contribution to journalArticlepeer-review

6 Scopus citations


Rhizospheric application of nod regulators influenced the nodulation status, nodule efficiency and partitioning of assimilated CO2 in Pisum sativum-Rhizobium leguminosarum symbiosis. Depending upon the plant growth stage, naringenin and flavone enhanced nodule number (22.8-87.6%), nodule weight (19.2-35.2%) and nitrogenase activity (17.8-108.6%). Syringaldehyde had negative effect on various parameters of symbiosis. Proportion of 14C-assimilates was higher in nodules of plants from naringenin and flavone treatments as compared to the control or syringaldehyde treatments. The enhanced nodule efficiency in naringenin and flavone treatments was reflected in the increased N content (12.7-50.4%) and biomass (4.3-35.1%) of plants.

Original languageEnglish (US)
Pages (from-to)23-26
Number of pages4
JournalJournal of Plant Biochemistry and Biotechnology
Issue number1
StatePublished - Jan 1992
Externally publishedYes


  • CO partitioning
  • Pisum sativum
  • Rhizobium leguminosarum
  • flavonoids
  • symbiosis

ASJC Scopus subject areas

  • Biotechnology
  • Agronomy and Crop Science
  • Plant Science


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