𝘉𝘢𝘤𝘪𝘭𝘭𝘶𝘴 𝗌𝗉. RZ2MS9 AND THE BACTERIA-FREE FILTRATE IN THE SEED GERMINATION AND GROWTH OF MAIZE SEEDLINGS

Authors

  • Pedro Avelino Maia de Andrade Luiz de Queiroz College of Agriculture - University of São Paulo (ESALQ-USP), Department of Genetics, post-code 13418-900 Piracicaba, SP, Brazil
  • Lucas Smith Pimenta Federal University of Amazonas (UFAM), Department of Biotechnology, post-code 69080-900 Manaus, AM, Brazil
  • Bruno Ewerton da Silveira Cardillo Luiz de Queiroz College of Agriculture - University of São Paulo (ESALQ-USP), Department of Plant Production, post-code 13418-900 Piracicaba, SP, Brazil
  • Joelma Marcon Luiz de Queiroz College of Agriculture - University of São Paulo (ESALQ-USP), Department of Genetics, post-code 13418-900 Piracicaba, SP, Brazil
  • José Antônio da Silva Luiz de Queiroz College of Agriculture - University of São Paulo (ESALQ-USP), Department of Genetics, post-code 13418-900 Piracicaba, SP, Brazil
  • João Lucio de Azevedo Luiz de Queiroz College of Agriculture - University of São Paulo (ESALQ-USP), Department of Genetics, post-code 13418-900 Piracicaba, SP, Brazil
  • Ana Dionisia da Luz Coelho Novembre Luiz de Queiroz College of Agriculture - University of São Paulo (ESALQ-USP), Department of Plant Production, post-code 13418-900 Piracicaba, SP, Brazil
  • Maria Carolina Quecine Luiz de Queiroz College of Agriculture - University of São Paulo (ESALQ-USP), Department of Genetics, post-code 13418-900 Piracicaba, SP, Brazil

DOI:

https://doi.org/10.37856/bja.v95i2.4232

Abstract

Seed vigor and seedling growth directly impact the early stages of maize production. These traits might be improved with the use of bioinoculants. This work aimed to evaluate the influence of Bacillus sp. RZ2MS9 and its bacteria-free filtrate in the seeds’ germination rate (G) and speed (GSI) and seedlings’ length (SL) and dry mass (SDM) of two maize hybrids. After receiving experimental treatments, seeds of maize hybrids DKB390 and 30A37PW® were grown at a germinator at 25oC and 90% humidity. GSI was evaluated daily while G (%), SL (cm) and SDM (mg.10 seeds-1) were evaluated after 7 days. GSI and SDM were higher in both hybrids treated with Bacillus sp. RZ2MS9. The bacteria-free filtrate produced higher GSI in the 30A37PW® hybrid only in comparison to the control treatments. Thus, the Bacillus sp. RZ2MS9 and its extracellular secreted compounds might comprise alternative tools to improve development and production of maize plants.

Author Biographies

Pedro Avelino Maia de Andrade, Luiz de Queiroz College of Agriculture - University of São Paulo (ESALQ-USP), Department of Genetics, post-code 13418-900 Piracicaba, SP, Brazil

Contribuiu com: Concepção e desenho experimental, Coleta de amostras, Condução do experimento, Análise de dados, Escrita e Revisão do manuscrito.

Lucas Smith Pimenta, Federal University of Amazonas (UFAM), Department of Biotechnology, post-code 69080-900 Manaus, AM, Brazil

Contribuiu com: Coleta de amostras, Condução do experimento, Análise de dados, Escrita e Revisão do manuscrito.

Bruno Ewerton da Silveira Cardillo, Luiz de Queiroz College of Agriculture - University of São Paulo (ESALQ-USP), Department of Plant Production, post-code 13418-900 Piracicaba, SP, Brazil

Contribuiu com: Coleta de amostras, Condução do experimento, Análise de dados, Escrita e Revisão do manuscrito.

Joelma Marcon, Luiz de Queiroz College of Agriculture - University of São Paulo (ESALQ-USP), Department of Genetics, post-code 13418-900 Piracicaba, SP, Brazil

Contribuiu com: Coleta de amostras, Condução do experimento, Análise de dados, Escrita e Revisão do manuscrito.

José Antônio da Silva, Luiz de Queiroz College of Agriculture - University of São Paulo (ESALQ-USP), Department of Genetics, post-code 13418-900 Piracicaba, SP, Brazil

Contribuiu com: Coleta de amostras, Condução do experimento, Análise de dados, Escrita e Revisão do manuscrito.

João Lucio de Azevedo, Luiz de Queiroz College of Agriculture - University of São Paulo (ESALQ-USP), Department of Genetics, post-code 13418-900 Piracicaba, SP, Brazil

Contribuiu com: Concepção e desenho experimental, Análise de dados, Fornecimento de reagentes/materiais/ferramentas de análise, Escrita e Revisão do manuscrito.

Ana Dionisia da Luz Coelho Novembre, Luiz de Queiroz College of Agriculture - University of São Paulo (ESALQ-USP), Department of Plant Production, post-code 13418-900 Piracicaba, SP, Brazil

Contribuiu com: Coleta de amostras, Condução do experimento, Análise de dados, Fornecimento de reagentes/materiais/ferramentas de análise, Escrita e Revisão do manuscrito.

Maria Carolina Quecine, Luiz de Queiroz College of Agriculture - University of São Paulo (ESALQ-USP), Department of Genetics, post-code 13418-900 Piracicaba, SP, Brazil

Contribuiu com: Concepção e desenho experimental, Análise de dados, Fornecimento de reagentes/materiais/ferramentas de análise, Escrita e Revisão do manuscrito.

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Published

2020-08-26

Issue

Vol. 95 No. 2 (2020)

Section

Artigos