Influence of Azospirillum brasilense on micro-propagated sugarcane seedlings
Open accessAbstract
Sugarcane is an essential crop in the Brazilian economy. The adoption of techniques in the acclimatization of plants in vitro contributes to success in the field. The present work aims to evaluate the effect of Azospirillum brasilense on the acclimatization of sugarcane seedlings. The experiment was conducted with six treatments and twelve replications. There were two control treatments without inoculation, one with N fertilization and one without, and four with A. brasilense (2.0x108 CFU) at different doses (19.92mL + N fertilization, 9.84mL, 19.92mL, and 39.84mL). Evaluations were seedling height (SH), stem diameter (SD), number of shoots per tube (NS), number of leaves (NL), fresh aerial weight (AFM), root fresh weight (RFM), total chlorophyll (TC), foliar nitrogen (FN) and visual microscopic study of the roots. The results showed that the recommended dose of A. brasilense + N fertilization increased by 36% in seedling height, 29% in stem diameter, 85% in aerial fresh mass, 21% in total chlorophyll, 142% in foliar N, and also increased root hairs and the presence of microbial biofilm. Therefore, the bacterium A. brasilense can be used in association with nitrogen fertilizers or alone, where it obtained great benefits in the increase of biomass.
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dos Santos et al. [18] reported that 2 × 10 8 CFU/ml of A. brasilense promoted total chlorophyll of micropropagated plantlets of sugarcane, compared to the control.
“dos Santos et al. [18] reported that 2 × 10 8 CFU/ ml of A. brasilense promoted total chlorophyll of micropropagated plantlets of sugarcane, compared to the control.”
From Azospirillum brasilense affects survival, growth and nutrient status of micropropagated sugarcane (Saccharum spp.) plantlets during ex vitro conditions (2025) · cites this paper as [18]
The Methodology identifies the inoculant concentration as 2.0 × 10⁸ CFU/mL. Table 3 and the Results show higher total chlorophyll than the controls only for the A. brasilense treatment combined with nitrogen fertilization; the bacteria-only treatments had similar values to the controls. The claim omits that nitrogen-fertilization condition. (LLM, conf=0.89)
Experimental — accuracy not yet measureddos Santos et al. [18] reported that 2 × 10 8 CFU/ml of A. brasilense promoted development of micropropagated plantlets of sugarcane, compared to the control.
“dos Santos et al. [18] reported that 2 × 10 8 CFU/ml of A. brasilense promoted development of micropropagated plantlets of sugarcane, compared to the control.”
From Azospirillum brasilense affects survival, growth and nutrient status of micropropagated sugarcane (Saccharum spp.) plantlets during ex vitro conditions (2025) · cites this paper as [18]
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Mancilla-Álvarez, E., López-Buenfil, J. A., Serrano-Fuentes, M. K., Reyes-Castillo, A., Sánchez-Páez, R., & Bello-Bello, J. J. (2025) · Discover Plants · doi:10.1007/s44372-025-00357-3 · Cited by 3 · see citing works
- Authors
- Santos, T. S. D., Ootani, M. A., Andrade, F. H. N. D., Oliveira, R. A. D. O., Guerra, Y. L., Lima, P. G., Romero, M. A., & Melo, J. C. D.
- Affiliations
- Centro de Tecnologias Estratégicas do Nordeste (BR)
- Universidade Federal do Tocantins (BR)
- ORCID
- Venue
- Research, Society and Development
- Publisher
- Research, Society and Development
- Published
- 2023-04-18
- Volume
- 12
- Issue
- 4
- Pages
- e26312441354
- ISSN
- 2525-3409 (ISSN-L)
- OpenAlex
- W4366586897
- Cited by
- 1
- References
- 0
- Citations by year
- 2025: 1
- FWCI
- 0.16
- Type
- journal article
- Language
- en
- Open access
- diamond
- doi.org
- Locations
- Research Society and Development (publishedVersion, cc-by)
- LA Referencia (Red Federada de Repositorios Institucionales de Publicaciones Científicas) (submittedVersion, cc-by)
- Funders
- Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (88887)
- Conselho Nacional de Desenvolvimento Científico e Tecnológico
- Centro de Tecnologias Estratégicas do Nordeste
- Topics
- Life Sciences › Agricultural and Biological Sciences › Plant Science › Plant-Microbe Interactions and Immunity
- Life Sciences › Agricultural and Biological Sciences › Plant Science › Agriculture, Plant Science, Crop Management
- Life Sciences › Agricultural and Biological Sciences › Plant Science › Growth and nutrition in plants
- Keywords
- Azospirillum brasilense, sugarcane, Saccharum, micropropagation, acclimatization, plant growth-promoting bacteria, nitrogen fertilization, inoculum dose, seedling growth, chlorophyll content, leaf nitrogen content, root hairs, biofilm, biomass
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