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Management and coinoculation of microorganisms (Bradyrhizobium japonicum, Azospirillum brasilense, Bacillus subtilis and microbial metabolites) in soybean culture

Grant number: 16/23699-8
Support Opportunities:Scholarships in Brazil - Doctorate
Effective date (Start): August 01, 2017
Effective date (End): December 31, 2020
Field of knowledge:Agronomical Sciences - Agronomy - Crop Science
Acordo de Cooperação: Coordination of Improvement of Higher Education Personnel (CAPES)
Principal Investigator:Carlos Alexandre Costa Crusciol
Grantee:Luiz Gustavo Moretti de Souza
Host Institution: Faculdade de Ciências Agronômicas (FCA). Universidade Estadual Paulista (UNESP). Campus de Botucatu. Botucatu , SP, Brazil


Soy (Glycine max (L.) Merrill) is one of the most important crops in the world economy. In Brazil, the inoculation of soybean seeds with atmospheric nitrogen-fixing bacteria is essential, and it does not require the need for supplemental fertilization with nitrogen, generating savings of approximately US $ 7 million for the country. The use of growth promoting bacteria in plants has been used in conjunction with Bradyrhizobium in order to optimize nodulation and generate positive responses in productivity. The objective of this work was to evaluate the effects of coadjulation by Bradyrhizobium japonicum, Azospirillum brasilense, Bacillus subtilis and Microbial Metabolites on biological nitrogen fixation, plant development and productivity. Two simultaneous experiments will be developed for each crop (2016/17 - 2017/18) of the same experimental design, one in the field and the other in a Greenhouse at UNESP - Faculty of Agronomic Sciences, located in the city of Botucatu (SP), with Experimental design of randomized blocks arranged in a 2 x 8 factorial scheme, with four replications, that is, two soybean cultivars (one with an early cycle and an indeterminate growth habit, the other with a late cycle and a determined growth habit), treatments (Bradyrhizobium japonicum (inoculated via seed, concentration of 2.8 million seed-1 cells), microbial metabolites (inoculated in seed path, concentration of 1.2 million seed-1 cells), Bacillus subtilis, Azospirillum brasilense (foliar spraying at the phenological stage - V4, dose of 300 mL / ha-1). The sowing will be carried out in December 2016 and 2017. The following will be analyzed: foliar nutritional contents, nodulation, direct and indirect evaluations of the root system, production components, productivity and biological nitrogen fixation activity. (AU)

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Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
MORETTI, LUIZ GUSTAVO; CRUSCIOL, CARLOS A. C.; KURAMAE, EIKO E.; BOSSOLANI, JOAO W.; MOREIRA, ADONIS; COSTA, NIDIA R.; ALVES, CLEITON J.; PASCOALOTO, ISABO M.; RONDINA, ARTUR B. L.; HUNGRIA, MARIANGELA. Effects of growth-promoting bacteria on soybean root activity, plant development, and yield. AGRONOMY JOURNAL, v. 112, n. 1, p. 418-428, . (16/23699-8, 18/14892-4)
MORETTI, LUIZ GUSTAVO; COSTA CRUSCIOL, CARLOS ALEXANDRE; BOSSOLANI, JOAO WILLIAM; CALONEGO, JULIANO CARLOS; MOREIRA, ADONIS; GARCIA, ARIANI; MOMESSO, LETUSA; KURAMAE, EIKO EURYA; HUNGRIA, MARIANGELA. Beneficial microbial species and metabolites alleviate soybean oxidative damage and increase grain yield during short dry spells. EUROPEAN JOURNAL OF AGRONOMY, v. 127, . (18/14892-4, 16/23699-8)
MORETTI, LUIZ GUSTAVO; COSTA CRUSCIOL, CARLOS ALEXANDRE; BOSSOLANI, JOAO WILLIAM; MOMESSO, LETUSA; GARCIA, ARIANI; KURAMAE, EIKO EURYA; HUNGRIA, MARIANGELA. Bacterial Consortium and Microbial Metabolites Increase Grain Quality and Soybean Yield. JOURNAL OF SOIL SCIENCE AND PLANT NUTRITION, v. 20, n. 4, p. 12-pg., . (16/23699-8, 18/14892-4)
Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
SOUZA, Luiz Gustavo Moretti de. Potencial biotecnológico de bactérias promotoras de crescimento e metabólitos microbianos na cultura da soja. 2020. Doctoral Thesis - Universidade Estadual Paulista (Unesp). Faculdade de Ciências Agronômicas. Botucatu Botucatu.

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