Aspectos biométricos e produção de etanol em cultivares de mandioca com inoculantes biológicos

Liliana Santos Silva de Queirós; Romano Roberto Valicheski; Silvia Sanielle Costa de Oliveira; Sihelio Julio Silva Cruz; Sauan Gabriel Marques de Oliveira; Fabiano Almeida Vargas

doi:10.17765/2176-9168.2025v18e11763

Authors

Liliana Santos Silva de Queirós Instituto Federal Goiano https://orcid.org/0000-0003-3020-2191
Romano Roberto Valicheski Instituto Federal Goiano https://orcid.org/0000-0002-9623-1385
Silvia Sanielle Costa de Oliveira Instituto Federal Goiano https://orcid.org/0000-0002-3476-1807
Sihelio Julio Silva Cruz Instituto Federal Goiano https://orcid.org/0000-0002-1602-5312
Sauan Gabriel Marques de Oliveira Instituto Federal Goiano https://orcid.org/0009-0001-6689-9747
Fabiano Almeida Vargas Instituto Federal Goiano https://orcid.org/0009-0007-8603-9705

DOI:

https://doi.org/10.17765/2176-9168.2025v18e11763

Keywords:

Biofuel production, Cassava geno, Growth-promoting bacteria, Productivity

Abstract

Cassava is found throughout the national territory, being an important source of food and income. This crop has a high relationship with soil microorganisms. In this context, the objective was to evaluate the response of the cultivars IAC 12 and Talo Branco to inoculation with Bacillus subtilis, Azospirillum brasilense, Bacillus megaterium + Bacillus subtilis and Azospirillum brasilense + Bacillus megaterium + Bacillus subtilis. The experiment was conducted in the field in Iporá-GO, in a randomized block design, with four replications. Fertilization and phytosanitary treatments were carried out following technical recommendations for the crop. The harvest was carried out in October 2022, where biometric attributes, productivity, dry matter and starch content of the roots were evaluated, also estimating ethanol production. Cassava cultivars showed different responses to the inoculants used. For IAC 12, the inoculation of Bacillus subtilis and the coinoculation of Azospirillum breasilense + Bacillus subtilis + Bacillus megaterium provided root production greater than 34 tons per hectare. This cultivar also had a higher starch content, resulting in an estimated ethanol production similar to sugar cane. On the other hand, for Talo Branco, there was no response to the inoculants.

Author Biographies

Liliana Santos Silva de Queirós, Instituto Federal Goiano

Mestra em Bioenergia e Grãos pelo Instituto Federal de Educação, Ciência e Tecnologia Goiano (IFGO), Rio Verde (GO), Brasil.

Romano Roberto Valicheski, Instituto Federal Goiano

Doutor em Produção Vegetal pela Universidade Estadual do Norte Fluminense Darcy Ribeiro (UENF). Docente efetivo do Instituto Federal Goiano (IFGO), Iporá (GO), Brasil.

Silvia Sanielle Costa de Oliveira, Instituto Federal Goiano

Doutora em Agronomia pela Universidade Estadual Paulista “Júlio de Mesquita Filho” (UNESP). Docente efetiva do Instituto Federal Goiano (IFGO), Iporá (GO), Brasil.

Sihelio Julio Silva Cruz, Instituto Federal Goiano

Doutor em Agronomia pela Universidade Estadual Paulista “Júlio de Mesquita Filho” (UNESP). Docente efetivo do Instituto Federal Goiano (IFGO), Iporá (GO), Brasil.

Sauan Gabriel Marques de Oliveira , Instituto Federal Goiano

Graduado em Agronomia pelo Instituto Federal de Educação, Ciência e Tecnologia Goiano (IFGO), Iporá (GO), Brasil.

Fabiano Almeida Vargas, Instituto Federal Goiano

Graduado em Agronomia pelo Instituto Federal de Educação, Ciência e Tecnologia (IFGO), Iporá (GO), Brasil.

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