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Arquivos do Instituto Biológico

versão impressa ISSN 0020-3653versão On-line ISSN 1808-1657

Resumo

SHIOMI, Humberto Franco; MELO, Itamar Soares de  e  MINHONI, Marli Teixeira de Almeida. Assessing of endophytic bacteria for biological control of northern corn leaf blight (Exserohilum turcicum). Arq. Inst. Biol. [online]. 2015, vol.82, pp.1-4.  Epub 03-Nov-2015. ISSN 1808-1657.  https://doi.org/10.1590/1808-1657000642013.

The efficacy of nine endophytic bacterial strains was evaluated on biocontrol of northern corn leaf blight (Exserohilum turcicum), by microbiolization of seeds and aerial parts of maize, hybrid AS-1548 (72 and 24 hours before and at same day of the pathogen inoculation) in greenhouse conditions. It was found that Bacillus subtilis 0G, Bacillus lentimorbus, Streptomyces sp. and Bacillus agaradhaerens highlighted from the others, when applied on aerial parts of maize, in all intervals tested, presenting control in order of 42 to 61%. When the bacteria were applied on seeds, Bacillus lentimorbus, Streptomyces sp., Ewingella americanaand Xanthomonas axonopodis showed more efficiency, presenting control between 37 and 59%.

Palavras-chave : alternative control; Exserohilum turcicum leaf spot; antagonic bacteria; Zea mays.

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