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Isolation and prospection of diazotrophic rhizobacteria associated with sugarcane under organic management 42
RODRIGUES,ARIANA A.; ARAÚJO,MARCUS VINÍCIUS F.; SOARES,RENAN S.; OLIVEIRA,BRUNO F.R. DE; RIBEIRO,IGOR D.A.; SIBOV,SERGIO T.; VIEIRA,JOSÉ DANIEL G..
Abstract Microorganisms associated with organic management are essential in nutrient transformation and release for plant use. The present study aimed to isolate, identify and characterize plant growth promoting diazotrophic rhizobacteria associated with sugarcane under organic management. Rhizospheres of organic sugarcane varieties IAC 911099 and CTC4 were sampled and inoculated onto nitrogen free NFb and Burk media. The isolated microorganisms were screened in vitro concerning their ability to produce plant growth promoting factors. Eighty-one bacteria were isolated; 45.6% were positive for the nifH gene and produced at least one of the evaluated plant growth promotion factors. The production of indole-3-acetic acid was observed in 46% of the isolates,...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Organic agriculture; Plant growth promoting rhizobacteria; NifH; Burkholderia; Sphingobium; Rhizobium.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652018000703813
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