Abstract
The current study was carried out at the Department of Agricultural Microbiology, College of Agriculture, Raipur, C.G., during the years 2021–2022. This study was set up with the general objective of investigating the interaction between Fusarium and plant nutrient mobilizing bacterial isolates namely Rhizo-L3, Rhizo-L4, Azoto-MW15, Azoto-Palak16, Azos-Palak13, Azos-Palak17, Aceto-Root18 and AcetoRD15. These isolates were selected and tested to control wilt disease causing fungi. In this connection, these isolates were tested for different biochemical parameters viz.starch hydrolysis, catalase, urease, oxidase test etc. Further these isolates were evaluated for their ability to inhibit the mycelial biomass of wilt causing fungi Fusarium oxysporium and Sclerotium rolfsii in modified Martin broth and agar media. Results show that the maximum growth inhibition of Fusarium oxysporium (83.62%) Azoto-MW15 + Azoto-Palak16 exhibited followed by mixed cultures of Rhizo-L3 and Rhizo- L4 (79.40%), Aceto-RD15 + Aceto-Root18 (74.39 %) and Azos-Palak13 + Azos-Palak17 (72.99 %), while, in plate assay with Sclerotium rolfsii also showed inhibition of 56.44%, 53.19% and 52.21 % respectively.
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