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Biological control in the germination of seeds from two species native of the Cerrado region.
Oliveira, J C; Sales, J F; Rubio-Neto, A; Silva, C F; Soares, M A; Silva, F G.
Afiliação
  • Oliveira JC; Laboratório de Sementes, Instituto Federal Goiano - IF Goiano, Campus Rio Verde, Av. Sul Goiana, Km 01, Zona Rural, CEP 75900-000, Rio Verde, GO, Brasil.
  • Sales JF; Laboratório de Sementes, Instituto Federal Goiano - IF Goiano, Campus Rio Verde, Av. Sul Goiana, Km 01, Zona Rural, CEP 75900-000, Rio Verde, GO, Brasil.
  • Rubio-Neto A; Laboratório de Cultura de Tecidos Vegetal, Instituto Federal Goiano - IF Goiano, Campus Rio Verde, Av. Sul Goiana, Km 01, Zona Rural, CEP 75900-000, Rio Verde, GO, Brasil.
  • Silva CF; Laboratório de Microbiologia Agrícola, Instituto Federal Goiano - IF Goiano, Campus Rio Verde, Av. Sul Goiana, Km 01, Zona Rural, CEP 75900-000, Rio Verde, GO, Brasil.
  • Soares MA; Instituto de Biociências, Universidade Federal de Mato Grosso - UFMT, Av. Fernando Corrêa da Costa, 2367, Boa Esperança, CEP 78060-900, Cuiabá, MT, Brasil.
  • Silva FG; Laboratório de Cultura de Tecidos Vegetal, Instituto Federal Goiano - IF Goiano, Campus Rio Verde, Av. Sul Goiana, Km 01, Zona Rural, CEP 75900-000, Rio Verde, GO, Brasil.
Braz J Biol ; 81(1): 105-113, 2021.
Article em En | MEDLINE | ID: mdl-32159616
Microorganisms have been efficiently used for the biological control of phytopathogens through the production of antimicrobial substances. However, the objectives of this work were: to study the germination of Butia purpurascens Glassman and Butia archeri Glassman seeds in different substrates, to select and identify the endophytic and rhizospheric bacterial isolates of B. purpurascens and B. archeri, and to perform antibiosis tests based on the isolated microorganisms of these tree species. No difference was found between the cultivation substrates for the percentages of germination, hard seeds, and fungal contamination in the B. purpurascens seeds. The Bacillus subtilis isolated showed the best capacity for suppressing the growth of the two deteriorative fungi tested in B. purpurascens seeds. No difference was found for inhibition of the growth of Aspergillus niger fungus (deteriorative fungus of B. archeri seeds) between the microorganisms with Bacillus sp. and Brevibacillus brevis compared to the control. In the microbiolization of B. purpurascens and B. archeri seeds performed with microbiological solutions produced from the endophytic and rhizospheric strains of Bacillus sp., no differences were observed in the percentages of germination and contamination by fungi. For B. archeri seeds, there was contamination by fungi and bacteria after one day of cultivation, primarily in the regions with lesions caused by the extraction and scarification process.
Assuntos

Texto completo: 1 Base de dados: MEDLINE Assunto principal: Sementes / Arecaceae Idioma: En Ano de publicação: 2021 Tipo de documento: Article

Texto completo: 1 Base de dados: MEDLINE Assunto principal: Sementes / Arecaceae Idioma: En Ano de publicação: 2021 Tipo de documento: Article