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African Journal of Biotechnology

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Antagonistic bioactivity of an endophytic bacterium isolated from Epimedium brevicornu Maxim

R He, G Wang, X Liu, C Zhang, F Lin

Abstract


Endophytic bacteria are one of the most potential biological control agents in plant disease protection. The aim of this work was to evaluate the antimicrobial activities of a strain of endophytic bacterium
which was isolated from Epimedium brevicornu Maxim. The dual tests revealed that this endophytic bacterium strain displayed a wide-spectrum antimicrobial activity against 14 fugal phytopathogens and
one bacterial phytopathogen; it especially strongly inhibited Alternaria alternata, Sclerotinia sclerotiorum, Verticillium dahliae, Botrytis cinerea and Botrytis fabae. Identification of this strain based on morphology, physiological and chemical characteristics and 16S rRNA gene sequence analysis demonstrated that it belonged to the genus Phyllobacterium



AJOL African Journals Online