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Identification of endophytic bacteria BZJN1 and research on biological control of root rot of Atractylodes macrocephala / 中国中药杂志
China Journal of Chinese Materia Medica ; (24): 478-483, 2018.
Artigo em Chinês | WPRIM | ID: wpr-771712
ABSTRACT
In this study, an endophytic bacteria strain BZJN1 was isolated from Atractylodes macrocephala, and identified as Bacillus subtilis by physiological and biochemical tests and molecular identification. Strain BZJN1 could inhibit the growth of mycelia of Ceratobasidium sp. significantly, and the inhibition rate was more than 70%. The mycelium growth deformity with bulge as spherical and partially exhaustible in apex or central with microscopic observation. The inhibitory rates under 3% and 6% concentrations of the cell free fermentation were 22.7% and 38.7% expectively. The field test proved that the control efficacy of treatment of 1×10⁸ cfu·mL⁻¹ is 75.27% and 72.37% after 10 and 20 days. All the treatments of strain BZJN1 was able to promote the growth of A. macrocephala, the treatment of 1×10⁸ cfu·mL⁻¹ could able to increase the yield to 14.1%.
Assuntos

Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Fisiologia / Doenças das Plantas / Bacillus subtilis / Basidiomycota / Virulência / Classificação / Atractylodes / Endófitos / Agentes de Controle Biológico / Microbiologia Tipo de estudo: Estudo diagnóstico Idioma: Chinês Revista: China Journal of Chinese Materia Medica Ano de publicação: 2018 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Fisiologia / Doenças das Plantas / Bacillus subtilis / Basidiomycota / Virulência / Classificação / Atractylodes / Endófitos / Agentes de Controle Biológico / Microbiologia Tipo de estudo: Estudo diagnóstico Idioma: Chinês Revista: China Journal of Chinese Materia Medica Ano de publicação: 2018 Tipo de documento: Artigo