Biodiversity of rice (Oryza sativa L.) and sugarcane (Saccharum officinarum L.) rhizosphere pseudomonads.

Abstract:

:Fluorescent pseudomonads were isolated from the rhizosphere of rice and sugarcane and examined for their biodiversity. All fifty strains of the fluorescent pseudomonads produced indole acetic acid. Among these pseudomonads, halves of sugarcane rhizosphere isolates and one isolate from the rice rhizosphere exhibited phosphate solubilization activity. On the contrary, majority of the rice rhizosphere pseudomonads, and one isolate from sugarcane rhizosphere exhibited antifungal activity. These fluorescent pseudomonads were further classified based on their growth and biochemical characteristics. Those isolates that had same biochemical characteristics were distinguished by random amplification of polymorphic DNA (RAPD). These biochemical and molecular biological methods clearly differentiated fluorescent Pseudomonads of rice and sugarcane rhizosphere.

journal_name

Indian J Exp Biol

authors

Rameshkumar N,Arasu VT,Gunasekaran P

keywords:

subject

Has Abstract

pub_date

2005-01-01 00:00:00

pages

84-9

issue

1

eissn

0019-5189

issn

0975-1009

journal_volume

43

pub_type

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