In vitro control of Fusarium oxysporum f. sp. passiflorae using chitosan

Authors

  • Matheus Ledo dos Santos Instituto Federal de Educação, Ciência e Tecnologia Baiano - Campus Guanambi
  • Daiane Rocha Fernandes Instituto Federal de Educação, Ciência e Tecnologia Baiano https://orcid.org/0009-0003-8664-1430
  • Suane Coutinho Cardoso Instituto Federal de Educação, Ciência e Tecnologia Baiano
  • Alexsandro dos Santos Brito Instituto Federal de Educação, Ciência e Tecnologia Baiano https://orcid.org/0000-0002-0993-768X

DOI:

https://doi.org/10.28998/rca.23.18378

Keywords:

Fugistatic action, Passion fruit, Fusarium wilt

Abstract

Fusarium wilt, caused by the fungus Fusarium oxysporum f. sp. passiflorae (Fop), is one of the main diseases affecting passion fruit production. Given the lack of effective control measures, this study aimed to evaluate the inhibitory potential of chitosan in vitro for controlling Fop. The experiment was conducted at the Phytopathology Laboratory of IF Baiano, Guanambi Campus, using a completely randomized experimental design, with five concentrations of chitosan (0.1, 0.2, 0.3, 0.4, 0.5 g/L) in potato dextrose agar medium, and five replicates. The results showed that chitosan exhibited an inhibitory effect on the fungal mycelial growth and spore production at a concentration of 0.3 g/L. These results indicate that chitosan has the potential to be used as a control agent for Fusarium wilt in passion fruit, highlighting the need for further research, particularly on the activity of chitosan in vivo.

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References

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Published

2025-12-19

Issue

Section

Proteção de Plantas