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December 9, 2025AgronomyOpen Access

Biocontrol and Microscopic Observations of Bacillaceae Strains Against Root-Knot Nematodes on Cotton, Soybean and Tomato: A Brazilian Experience

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Authors

VMVanessa S. MattosBrazilian Agricultural Research CorporationCTC. TorresBrazilian Agricultural Research CorporationMSMarcilene F.A. SantosBrazilian Agricultural Research Corporation

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Implication

Field trials reveal Bacillus products reduced root-knot nematodes in soybean and cotton, suggesting benefits for integrated management strategies.

Key Points

  • This research examines the effectiveness of Bacillaceae strains as biocontrol agents against root-knot nematodes.
  • Five-year trials on Bacillus-based products were conducted on cotton, soybean, and tomato.
  • Various formulations and doses were tested to measure nematicidal effectiveness.
  • Microscopic observations of bacteria's interaction with root tissues were performed.
  • Inconsistent control of M. incognita in cotton with approximately 50% effectiveness in one trial.
  • Bacillus products reduced M. javanica and M. incognita populations in soybean by about 30%.
  • Strain RTI 545 achieved 60-80% control effectiveness when applied at 500 mL/100 kg in soybean.
  • Strains of Bacillaceae reduced M. incognita population by 45-50% in tomato crops.

Cite This Study

Mattos et al. (2025) studied this question.

synapsesocial.com/papers/69401d732d562116f28f92a7https://doi.org/10.3390/agronomy15122828
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