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Antagonistic microorganisms and nitrogen fertilization in control of tomato southern blight
Blanco, Neder Henrique Martinez; Barbosa, Danilo Ferreira Ramirez; Graichen, Felipe André Sganzerla.
  • Blanco, Neder Henrique Martinez; Universidade Estadual do Mato Grosso do Sul. Programa de Pós-Graduação em Agronomia. Aquidauana. BR
  • Barbosa, Danilo Ferreira Ramirez; Universidade Estadual do Mato Grosso do Sul. Laboratório de Fitossanidade. Aquidauana. BR
  • Graichen, Felipe André Sganzerla; Universidade Estadual do Mato Grosso do Sul. Laboratório de Fitossanidade. Aquidauana. BR
Arq. Inst. Biol ; 88: e00502019, 2021. ilus, graf
Article in English | LILACS, VETINDEX | ID: biblio-1146668
ABSTRACT
The present study assessed the efficacy of formulated biocontrol agents and nitrogen fertilization on southern blight control. Antagonism test in vitro was performed to assess the inhibitory activity of Bacillus methylotrophicus and Trichoderma asperellum against the growth of Sclerotium rolfsii. Tomato seedlings were transplanted into the substrate added with ammonium nitrate doses and inoculated with the formulated biocontrol agents Ônix (B. methylotrophicus) or Quality (T. asperellum). Subsequently, seedlings were inoculated with S. rolfsii. Plant mortality, shoot and root weight were assessed 11 days after the last inoculation. Agents had effective inhibitory activity against S. rolfsii; thus, they could reduce southern blight severity when combined with ammonium nitrate. However, plant mortality was not reduced by them.(AU)
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Full text: Available Index: LILACS (Americas) Main subject: Bacillus / Trichoderma / Solanum lycopersicum Language: English Journal: Arq. Inst. Biol Year: 2021 Type: Article Institution/Affiliation country: Universidade Estadual do Mato Grosso do Sul/BR

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Full text: Available Index: LILACS (Americas) Main subject: Bacillus / Trichoderma / Solanum lycopersicum Language: English Journal: Arq. Inst. Biol Year: 2021 Type: Article Institution/Affiliation country: Universidade Estadual do Mato Grosso do Sul/BR