Isolation and Characterization of a Pseudomonas Strain That Restricts Growth of Various Phytopathogenic Fungi

AUTOR(ES)

Jayaswal, Radheshyam K.

RESUMO

The characterization of a novel Pseudomonas strain exhibiting antagonism towards many important corn fungal pathogens is presented. This strain was isolated from the caryopses of the grass Tripsacum dactyloides and was identified as Pseudomonas cepacia. The antagonistic activity is due to the production of an antifungal compound. The chromatographic properties of this partially purified compound isolated from growth medium differ from those reported previously for other pseudomonads. The suppression of the growth of economically important phytopathogens by this strain and by the partially purified compound indicates a potential biocontrol agent.

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