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Research Article Open access CC BY 4.0

In vitro Evaluation of Rhizobacteria Isolated from Different Oilseed Growing Areas against Fusarium oxysporum f.sp. ricini and Rotylenchulus reniformis Infesting Castor

Sk. Menaaz Fathima, K. Sankari Meena, B. Vidya Sagar, P. Ratnakumar

Journal of Advances in Biology & Biotechnology · pp. 448–463 · Published 16 Apr 2024

10.9734/jabb/2024/v27i5806

Abstract

A study was conducted to evaluate the efficacy of 108 rhizobacterial isolates collected from different Oilseed rhizospheres against the wilt pathogen, Fusarium oxysporum f.sp. ricini and reniform nematode, Rotylenchulus reniformis under in vitro conditions. Among the 108 isolates tested, four isolates were reported to inhibit the radial growth of Fusarium oxysporum f.sp. ricini by more than 50% and caused more than 80% of juvenile (J4) mortality of reniform nematode. The effective rhizobacterial isolates were subjected to morphological and biochemical characterization for the assessment of plant growth promoting traits and bio-control properties.

Castor Fusarium oxysporum f.sp. ricini In vitro assay rhizobacteria Rotylenchulus reniformis

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