AGRONOMIC PERFORMANCE OF MAIZE UNDER Azospirillum brasilense INOCULATION AND TOP-DRESSING NITROGEN FERTILIZATION

Authors

  • VINÍCIUS BALEIRO FERNANDES Universidade Estadual Paulista (Unesp), Faculdade de Ciências Agrárias e Veterinárias, Jaboticabal
  • FABIO LUIZ CHECCHIO MINGOTTE Universidade Estadual Paulista (Unesp), Faculdade de Ciências Agrárias e Veterinárias, Jaboticabal
  • ORLANDO FERREIRA MORELLO Universidade Estadual Paulista (Unesp), Faculdade de Ciências Agrárias e Veterinárias, Jaboticabal
  • ANDERSON PRATES COELHO Universidade Estadual Paulista (Unesp), Faculdade de Ciências Agrárias e Veterinárias, Jaboticabal
  • LEANDRO BORGES LEMOS Universidade Estadual Paulista (Unesp), Faculdade de Ciências Agrárias e Veterinárias, Jaboticabal

DOI:

https://doi.org/10.18512/rbms2020v19e1185

Keywords:

Zea mays L., diazotrophic bacteria, nitrogen extraction, grain yield.

Abstract

Maize inoculation with bacteria of the genus Azospirillum can reduce the consumption of nitrogen fertilizers to obtain maximum grain yield. In this context, the aim was to evaluate the effect of inoculation with Azospirillum brasilense associated with nitrogen fertilization on the maize agronomic performance. A randomized block design was used in a split-plot scheme with four replicates. Four inoculation managements with Azospirillum brasilense (T0 - control without inoculation; TC2 - seed box inoculation, 200x108 viable cells ha-1; TC3 - seed box inoculation, 400x108 viable cells ha-1; TS1 - previous inoculation of the seeds, 600x108 viable cells ha-1) associated with four top-dressing N doses (0, 60, 120 and 180 kg ha-1), applied at maize stage V6 by urea. Inoculation with Azospirillum brasilense associated with top-dressing nitrogen fertilization increases the number of grain rows per ear, number of grains per row, number of grains per ear and grain yield of maize, mainly due to its positive effects on plant nutrition. Managements with seed box inoculation with 400x108 viable cells per ha (TC3) and inoculation in seed pre-treatment (TS1) are the most recommended for maize.

Author Biographies

VINÍCIUS BALEIRO FERNANDES, Universidade Estadual Paulista (Unesp), Faculdade de Ciências Agrárias e Veterinárias, Jaboticabal

Engenheiro AGrônomo formado pela FCAV/Unesp, Jaboticabal.

FABIO LUIZ CHECCHIO MINGOTTE, Universidade Estadual Paulista (Unesp), Faculdade de Ciências Agrárias e Veterinárias, Jaboticabal

Doutor em Agronomia (Produção Vegetal) pela FCAV/Unesp, Jaboticabal.

ORLANDO FERREIRA MORELLO, Universidade Estadual Paulista (Unesp), Faculdade de Ciências Agrárias e Veterinárias, Jaboticabal

Engenheiro Agrônomo pela FCAV/Unesp, Jaboticabal.

ANDERSON PRATES COELHO, Universidade Estadual Paulista (Unesp), Faculdade de Ciências Agrárias e Veterinárias, Jaboticabal

Doutorando em Agronomia (Produção Vegetal) pela FCAV/Unesp, Jaboticabal.

LEANDRO BORGES LEMOS, Universidade Estadual Paulista (Unesp), Faculdade de Ciências Agrárias e Veterinárias, Jaboticabal

Prof. Dr. pela FCAV/Unesp, Jaboticabal, Departamento de Produção Vegetal.

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Published

2020-10-12

How to Cite

FERNANDES, V. B., MINGOTTE, F. L. C., MORELLO, O. F., COELHO, A. P., & LEMOS, L. B. (2020). AGRONOMIC PERFORMANCE OF MAIZE UNDER Azospirillum brasilense INOCULATION AND TOP-DRESSING NITROGEN FERTILIZATION. REVISTA BRASILEIRA DE MILHO E SORGO, 19, 15. https://doi.org/10.18512/rbms2020v19e1185

Issue

Vol. 19 (2020)

Section

Scientific Paper

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