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Evaluating the Potential of Indigenous Rhizobacteria as Biofertilizer and Biopesticide Against Rhizoctonia Solani

Author : Nurjannah Nonci



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Date:
10-05-2023

Author:
Nurjannah Nonci

Abstrak:
Evaluating the potential of indigenous Rhizobacteria as biofertilizer and biopesticide against Rhizoctonia solani.Nusantara Bioscience 11: 79-83. Rhizobacteria areliving in area of plant roots, some of them arepotential as biofertilizersand biopesticides agents. This study aimsto evaluate the potential of 10 isolatesindigenous rhizobacteria as biofertilizer and biopesticide against banded leaf and sheath blight disease on corn. The potential of biofertilizer was evaluated by ability fixingnitrogen in Burk’s N free medium, dissolving phosphate and producing Indole Acetic Acid (IAA) hormone withspectrophotometry method.The potential of biopesticide was evaluated by synergisticof analysis with double culture method.The result of study showed that the best indigenous rhizobacteria was isolated code 10. It has potential as a biofertilizer agent(0.22% for fixing nitrogen, 18.875 ppm for dissolvingphosphate and producing IAA hormone 1.524 ppm). It isalso having potential as biopesticide agentagainstRhizoctonia solaniwith relative inhibition level (RIL) of 31.3%. Isolate code 10 and code6 areable to live in synergy so that it can be recommended as biofertilizer and biopesticide agent to form the consortium as a biological fertilizer.

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