Treatment of cauliflower seeds with product based on bacillus subtilis aiming plant seedling production, development and productivity.

Emanuele Possas de Souza; Sheury Celante Marques; Flávia Mendes dos Santos Lourenço; Marco Eustáquio de Sá; Pâmela Gomes Nakada Freitas; Antonio Ismael Inácio Cardoso

doi:10.18011/bioeng.2024.v18.1220

Authors

Emanuele Possas de Souza São Paulo State University, School of Agricultural Sciences, Plant Production Department, Botucatu, SP, Brazil https://orcid.org/0000-0002-8039-2176
Sheury Celante Marques São Paulo State University, School of Engineering, Plant Science, Food Technology and Socio-Economics Department, Ilha Solteira, SP, Brazil
Flávia Mendes dos Santos Lourenço São Paulo State University, School of Engineering, Plant Science, Food Technology and Socio-Economics Department, Ilha Solteira, SP, Brazil
Marco Eustáquio de Sá São Paulo State University, School of Engineering, Plant Science, Food Technology and Socio-Economics Department, Ilha Solteira, SP, Brazil
Pâmela Gomes Nakada Freitas São Paulo State University, College of Agricultural and Technological Sciences, Plant Production Department, Dracena, SP, Brazil
Antonio Ismael Inácio Cardoso São Paulo State University, School of Agricultural Sciences, Plant Production Department, Botucatu, SP, Brazil

DOI:

https://doi.org/10.18011/bioeng.2024.v18.1220

Keywords:

Brassica oleracea var. botrytis, Biological treatment, Vegetable, Vigor

Abstract

The relation between seed vigor and field performance is not yet fully understood, and it is questionable whether these effects extend to more advanced phenological stages and if they affect crop production. In front of that, the objective of this study was to evaluate the effects on the seedlings and plant production of cauliflower using doses of product based on Bacillus subtilis in seed treatment. The study was conducted in Ilha Solteira city, São Paulo State. The experimental design was a complete randomized design for laboratory analysis and complete randomized blocks for the field stage. Ten treatments were studied in a 2 x 5 factorial scheme with four replications. The treatments consisted of seed treatment of cultivars Sharon and Barcelona with Bacillus subtilis-based product (strain FMT001 containing 3x10⁸ cells cm^-3) in five doses (0, 100, 200, 300 and 400 mL per 10 kg of seeds). Seed vigor and crop yield (shoot, root and inflorescence weight, leaf number, inflorescence diameter and yield) characteristics were evaluated. Cultivars averages were compared by Tukey test (p <0.05) and regression for the doses. The results showed that doses of 200 and 400 mL per 10 kg of seeds increased the percentage of strong seedlings of cultivars Barcelona and Sharon, respectively.

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