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Cost Reduction in the Production of Green Dwarf Coconut Palm Seedlings Biostimulated with Bacillus cereus

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Abstract

The production of coconut tree seedlings is an important step in the production process, as it substantially affects the productive performance of the adult plant, and the way of obtaining seedlings directly reflects the added costs. To minimize costs, the introduction of biostimulants can be considered a viable and sustainable technology. This study aimed to evaluate the effects of applying Bacillus cereus in promoting growth and reducing the costs of producing Brazilgreen dwarf coconut seedlings. The study has two stages, the first was an experiment carried out in a commercial nursery in the state of Pará-Brazil. The design was completely randomized, with two treatments: control with water (100% mineral fertilization) and B. cereus inoculation (50% mineral fertilization), with 10 replicates each. Biometric parameters and the quality of seedlings were evaluated. In the second stage, the production of stimulated seedlings was compared to that of commercial seedlings, and the effective operating cost (COE) and the total operating cost (TOC) were determined. Biostimulation with B. cereus promotes the growth of coconut tree seedlings, increases seedling quality, and reduces nursery time. In addition, the cost of production is reduced by 10%. Thus, microbial technology is a positive strategy for the production of Brazilian green dwarf coconut seedlings. Using B. cereus can guarantee obtaining seedlings with high performance and at a lower cost. These results may favor obtaining adult plants with high productivity.

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Acknowledgements

We thank the Federal Rural University of Amazon and the Plant Protection Laboratory for providing the facilities. We also thank the Amazon Foundation for the Support of Studies and Research of the State of Pará (FAPESPA) and Sococo S/A for their partnership and support, in particular the team from the phytopathology department

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AC was present in all study assays and was responsible for fieldwork, statistical analysis of data, interpretation of results, and writing the manuscript. SC was present in all study assays and was responsible for fieldwork. MS, WF, SC, GC, and PL were responsible for statistical analysis, analysis of economic indicators, and interpretation of results and assisted in writing and revising the manuscript. GS was responsible for project management, guiding the students through all stages of the process, and also responsible for the verification and monitoring of field data and writing the manuscript. All authors contributed to the article and approved the submitted version.

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Correspondence to Gisele Barata da Silva.

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Cardoso, A.F., da costa, S.D.A., Ferreira, W.X. et al. Cost Reduction in the Production of Green Dwarf Coconut Palm Seedlings Biostimulated with Bacillus cereus. Indian J Microbiol (2024). https://doi.org/10.1007/s12088-023-01163-9

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