Screening and Identification of Antagonistic Actinomyces 1-g-59 Against Fusarium oxysporium f. sp. cubense

Abstract

Abstract:

Five antagonistic strains against Fusarium oxysporum f. sp. cubense were isolated and screened from the rhizosphere soil of the banana garden in Meitai and Nanbao, strain 1-g-59 possessed the most prominent bioactivity. By studying the morphology, cultural, physiological and biochemical properties, cell wall components analysis, 16S rDNA and phylogenetic tree, the results showed that strain 1-g-59 was identified as Streptomyces lunalinharesii. Pot experiment showed that control effects of the fermentation filtrate of strain 1-g-59 on banana fusarium wilt disease was 64.9%.

Key words: Banana, Fusarium wilt disease, Antagonistic actinomyces, Screening , Identification

Liu Xiaoyu, Zhou Dengbo, Tan Xin, Gao Zhufen, Chen Bo, Huang Xiao, Zhang Xiyan. Screening and Identification of Antagonistic Actinomyces 1-g-59 Against Fusarium oxysporium f. sp. cubense[J]. Biotechnology Bulletin, 2013, 0(8): 124-129.

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