Interação de plântulas de soja com rizobactérias benéficas

Autores

DOI:

https://doi.org/10.5433/1679-0359.2023v44n6p2217

Palavras-chave:

Glycine max L, Growth promotion, Rhizobacteria, Sustainability.

Resumo

Beneficial rhizobacteria are multifunctional microorganisms that stimulate plant growth through direct mechanisms such as the solubilization of phosphorus and potassium present in soil minerals, biological nitrogen fixation and production of plant hormones. The objective of this study was to determine the effect of beneficial rhizobacteria on the initial development, promoting growth and resistance of soybean seedlings, aiming not only for increased production but also for agricultural sustainability through the maximization of biological efficiency in the early development of soybean seedlings. The experiment, under controlled conditions, was conducted in a completely randomized design, with four treatments and ten replications. The treatments consisted in the microbiolization of soybean seeds with: 1. Control (without microorganism); 2. Serratia marcenses (BRM 32114); 3. Bacillus spp. (BRM63573) and 4. BRM 32114 + (BRM63573). After the microbiolization of the seeds, they were sown and placed to germinate, after 12 days, the seedlings were harvested and divided into shoots and roots. The roots were washed and photographed with digital camera. The images were analyzed and determined length, diameter, surface area and volume of roots. Then, root and shoot were dried and weighed for biomass determination. Co-inculation, BRM 32114+ BRM63573, promoted greater robustness of the root system of soybean seedlings with increased length (16.2%), diameter (22.5%), volume (43.4%) and dry biomass (29.7%). The dry matter of shoots and total soybean seedlings was superior to the control treatment in all treatments with rhizobacteria. Therefore, plant growth promoting

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Biografia do Autor

Laylla Luanna de Mello Frasca, Universidade Federal de Goiás

Dra. em Agronomia, Universidade Federal de Goiás, UFG, Goiânia, GO, Brasil.

Cássia Cristina Rezende, Universidade Federal Goiás

Aluna do Curso de Doutorado do Programa de Pós-Graduação em Agronomia, UFG, Goiânia, GO, Brasil.

Mariana Aguiar Silva, Uma Catalão

Profa. Dra., Curso de Graduação em Agronomia, Uma Catalão, UNA, Catalão, GO, Brasil.

Anna Cristina Lanna, Empresa Brasileira de Pesquisa Agropecuária

Dra., Pesquisadora, Empresa Brasileira de Pesquisa Agropecuária, EMBRAPA, Santo Antônio de Goiás, GO, Brasil.

Dennis Ricardo Cabral Cruz, Universidade Federal de Goiás

Aluno do Curso de Doutorado do Programa de Pós-Graduação em Agronomia, UFG, Goiânia, GO, Brasil.

Adriano Stephan Nascente, Empresa Brasileira de Pesquisa Agropecuária

Dr., Pesquisador, Empresa Brasileira de Pesquisa Agropecuária, EMBRAPA, Santo Antônio de Goiás, GO, Brasil.

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Publicado

2024-01-30

Como Citar

Frasca, L. L. de M., Cristina Rezende, C., Silva, M. A., Lanna, A. C., Cruz, D. R. C., & Nascente, A. S. (2024). Interação de plântulas de soja com rizobactérias benéficas. Semina: Ciências Agrárias, 44(6), 2217–2228. https://doi.org/10.5433/1679-0359.2023v44n6p2217

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