Isolation and characterization of strains of the Bacillus associated to rice (Oryza sativa L.) crop
DOI:
https://doi.org/10.33240/rba.v6i1.49175Keywords:
Bacillus, rice, biological control,, plant growth promotionAbstract
This work shows the isolation and characterization of Bacillus strains from rhizosphere of rice crop (Oryza sativa L.). Two isolation methods were used, microcosm model to isolates bacteria from variety J-104 and direct isolation from soil cultivated with INCA LP-5 variety. Physiological characterization of 13 isolates was carried out, considering indole compounds production, phosphate solubilization, qualitative nitrogen fixing ability and antagonistic effect against phytophogenic fungi of rice (Alternaria solani, Pyricularia grisea, Fusarium sp. and Curvularia sp.). A conglomerated cluster analysis was performed to select the best isolates to be identified by biochemical test and 16S rDNA sequencing
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