Folia Microbiologica

, Volume 42, Issue 6, pp 601–606

Roystonea regia a monocotyledonous tree, bears rhizobial root nodules


  • P. S. Basu
    • Department of BotanyBurdwan University
  • A. C. Ghosh
    • Department of BotanyBurdwan University
  • T. K. Dangar
    • Department of BotanyBurdwan University

DOI: 10.1007/BF02815473

Cite this article as:
Basu, P.S., Ghosh, A.C. & Dangar, T.K. Folia Microbiol (1997) 42: 601. doi:10.1007/BF02815473


The first instance of a monocotyledonous treeRoystonea regia (royal palm) bearing root nodules is reported. They are formed by a Gram-negative bacterium which was tentatively identified asRhizobium sp. The nodules are formed on younger roots of the tree mostly in the rainy season. Younger plants also become nodulated. Mature nodules are oval to cylindrical in shape, unbranched and loosely attached to the roots which show ability to fix nitrogen.

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© Institute of Microbiology, Academy of Sciences of the Czech Republic 1997